version 1.18, 2002/12/13 21:39:19
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version 1.117, 2005/03/11 21:14:41
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
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# YEAR=2002 |
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# 5/12,7/26,9/7,11/22 Behrouz Minaei |
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# |
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### |
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package Apache::lonproblemanalysis; |
package Apache::lonproblemanalysis; |
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use Apache::loncommon(); |
use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
use GDBM_File; |
use Apache::loncoursedata(); |
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use Apache::lonstatistics; |
my $jr; |
use Apache::lonlocal; |
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use Apache::lonstathelpers(); |
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use Apache::lonstudentsubmissions(); |
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use HTML::Entities(); |
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use Time::Local(); |
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use capa; |
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my $plotcolors = ['#33ff00', |
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'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
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'#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
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]; |
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my @SubmitButtons = ({ name => 'PrevProblemAnalysis', |
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text => 'Previous Problem' }, |
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{ name => 'ProblemAnalysis', |
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text => 'Analyze Problem Again' }, |
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{ name => 'NextProblemAnalysis', |
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text => 'Next Problem' }, |
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{ name => 'break'}, |
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{ name => 'SelectAnother', |
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text => 'Choose a different Problem' }); |
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sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
my ($cacheDB, $r)=@_; |
my ($r,$c)=@_; |
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# |
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my %Saveable_Parameters = ('Status' => 'scalar', |
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'Section' => 'array', |
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'NumPlots' => 'scalar', |
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'AnalyzeOver' => 'scalar', |
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); |
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&Apache::loncommon::store_course_settings('problem_analysis', |
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\%Saveable_Parameters); |
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&Apache::loncommon::restore_course_settings('problem_analysis', |
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\%Saveable_Parameters); |
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# |
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&Apache::lonstatistics::PrepareClasslist(); |
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# |
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$r->print(&CreateInterface()); |
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# |
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my @Students = @Apache::lonstatistics::Students; |
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# |
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if (@Students < 1 && exists($ENV{'form.firstrun'})) { |
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$r->print('<h2>There are no students in the sections selected</h2>'); |
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} |
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# |
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my @CacheButtonHTML = |
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&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
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$r->rflush(); |
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# |
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my $problem_types = '(option|radiobutton|numerical)'; |
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if (exists($ENV{'form.problemchoice'}) && |
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! exists($ENV{'form.SelectAnother'})) { |
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foreach my $button (@SubmitButtons) { |
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if ($button->{'name'} eq 'break') { |
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$r->print("<br />\n"); |
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} else { |
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$r->print('<input type="submit" name="'.$button->{'name'}.'" '. |
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'value="'.&mt($button->{'text'}).'" />'); |
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$r->print(' 'x5); |
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} |
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} |
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foreach my $html (@CacheButtonHTML) { |
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$r->print($html.(' 'x5)); |
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} |
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# |
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$r->print(&Apache::lonstathelpers::submission_report_form |
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('problem_analysis')); |
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# |
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$r->print('<hr />'); |
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$r->rflush(); |
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# |
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# Determine which problem we are to analyze |
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my $current_problem = &Apache::lonstathelpers::get_target_from_id |
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($ENV{'form.problemchoice'}); |
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# |
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my ($navmap,$prev,$curr,$next) = |
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&Apache::lonstathelpers::get_prev_curr_next($current_problem, |
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$problem_types, |
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'response', |
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); |
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if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { |
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$current_problem = $prev; |
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} elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) { |
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$current_problem = $next; |
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} else { |
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$current_problem = $curr; |
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} |
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# |
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# Store the current problem choice and send it out in the form |
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$ENV{'form.problemchoice'} = |
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&Apache::lonstathelpers::make_target_id($current_problem); |
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$r->print('<input type="hidden" name="problemchoice" value="'. |
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$ENV{'form.problemchoice'}.'" />'); |
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# |
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if (! defined($current_problem->{'resource'})) { |
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$r->print('resource is undefined'); |
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} else { |
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my $resource = $current_problem->{'resource'}; |
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$r->print('<h1>'.$resource->compTitle.'</h1>'); |
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$r->print('<h3>'.$resource->src.'</h3>'); |
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if ($ENV{'form.show_prob'} eq 'true') { |
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$r->print(&Apache::lonstathelpers::render_resource($resource)); |
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} |
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$r->rflush(); |
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my %Data = &Apache::lonstathelpers::get_problem_data |
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($resource->src); |
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my $problem_data = $Data{$current_problem->{'part'}. |
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'.'. |
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$current_problem->{'respid'}}; |
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if ($current_problem->{'resptype'} eq 'option') { |
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&OptionResponseAnalysis($r,$current_problem, |
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$problem_data, |
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\@Students); |
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} elsif ($current_problem->{'resptype'} eq 'radiobutton') { |
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&radio_response_analysis($r,$current_problem, |
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$problem_data, |
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\@Students); |
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} elsif ($current_problem->{'resptype'} eq 'numerical') { |
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&numerical_response_analysis($r,$current_problem, |
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$problem_data,\@Students); |
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} else { |
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$r->print('<h2>Analysis of '.$current_problem->{'resptype'}.' is not supported</h2>'); |
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} |
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} |
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$r->print('<hr />'); |
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} else { |
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$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
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&mt('Analyze Problem').'" />'); |
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$r->print(' 'x5); |
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$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
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$r->print(&Apache::lonstathelpers::problem_selector($problem_types)); |
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} |
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} |
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my %cache; |
######################################################### |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
######################################################### |
$r->print('Unable to tie database.'); |
## |
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## Numerical Response Routines |
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## |
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######################################################### |
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######################################################### |
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sub numerical_response_analysis { |
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my ($r,$problem,$problem_analysis,$students) = @_; |
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my $c = $r->connection(); |
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# |
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if ($ENV{'form.AnalyzeOver'} !~ /^(tries|time)$/) { |
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$r->print('Bad request'); |
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} |
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# |
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my ($resource,$partid,$respid) = ($problem->{'resource'}, |
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$problem->{'part'}, |
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$problem->{'respid'}); |
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# Gather student data |
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my $response_data = &Apache::loncoursedata::get_response_data |
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(\@Apache::lonstatistics::SelectedSections, |
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$Apache::lonstatistics::enrollment_status, |
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$resource->symb,$respid); |
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# |
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$problem_analysis->{'answercomputed'} = 1; |
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if ($problem_analysis->{'answercomputed'}) { |
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my $answers = |
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&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, |
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'Statistics', |
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'stats_status'); |
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$r->print(&numerical_one_dimensional_plot($r,600,150,$answers)); |
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} |
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# |
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if (ref($response_data) ne 'ARRAY') { |
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$r->print('<h2>'. |
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&mt('There is no submission data for this resource'). |
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'</h2>'); |
return; |
return; |
} |
} |
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my $analysis_html = '<table>'; |
my $Ptr = ''; |
for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { |
$Ptr .= '<table border="0"><tbody>'; |
my $restriction_function; |
$Ptr .= '<tr><td align="right"><b>Select Sections</b>'; |
my $header_message; |
$Ptr .= '</td>'."\n"; |
my $stats_message; |
$Ptr .= '<td align="left">'."\n"; |
my $post_message; # passed through &mt sooner rather than later |
my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
my $no_data_message; |
my @sections = split(':',$cache{'sectionList'}); |
my @extra_data; |
$Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, |
if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
\@sectionsSelected, |
$restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; |
'Statistics'); |
$header_message = 'Attempt [_1]'; |
$Ptr .= '</td></tr>'."\n"; |
$stats_message = |
$Ptr .= '<tr><td align="right"><b>Intervals</b></td>'."\n"; |
'[_1] submissions, [_2] correct, [_3] incorrect'; |
$Ptr .= '<td align="left">'; |
$post_message = ''; |
$Ptr .= &IntervalOptions($cache{'Interval'}); |
$no_data_message = 'No data exists for attempt [_1]'; |
$Ptr .= '</td></tr></table><br>'; |
} else { |
$r->print($Ptr); |
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
$r->rflush(); |
('startdate_'.$plot_num); |
# $r->print($cache{'OptionResponses'}.'<br>'); |
my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
$r->print(&OptionResponseTable($cache{'OptionResponses'}, \%cache, $r)); |
('enddate_'.$plot_num); |
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($starttime,$endtime) = &ensure_start_end_times |
untie(%cache); |
($starttime,$endtime, |
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&get_time_from_row($response_data->[0]), |
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&get_time_from_row($response_data->[-1]), |
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$plot_num); |
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$header_message = 'Data from [_2] to [_3]'; |
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$extra_data[0] = &Apache::lonlocal::locallocaltime($starttime); |
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$extra_data[1] = &Apache::lonlocal::locallocaltime($endtime); |
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# |
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$stats_message = |
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'[_1] submissions from [_4] students, [_2] correct, [_3] incorrect'; |
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# |
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$post_message = |
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&mt('Start time: [_1]', |
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&Apache::lonhtmlcommon::date_setter |
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('Statistics','startdate_'.$plot_num,$starttime)). |
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'<br />'. |
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&mt('End time: [_1]', |
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&Apache::lonhtmlcommon::date_setter |
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('Statistics','enddate_'.$plot_num,$endtime)); |
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$restriction_function = |
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sub { |
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my $t = $_[0]->{'timestamp'}; |
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if ($t >= $starttime && $t < $endtime) { |
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return 1; |
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} else { |
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return 0; |
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} |
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}; |
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$no_data_message = 'No data for [_2] to [_3]'; |
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} |
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# |
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my ($correct,$answers) = |
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&numerical_determine_answers($r,$resource,$partid, |
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$respid,$students); |
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if ($c->aborted()) { return; }; |
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# |
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my ($responses,$stats) = |
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&numerical_classify_responses($response_data,$correct, |
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$restriction_function); |
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if ($stats->{'submission_count'} == 0) { |
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$analysis_html.= |
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'<tr><td colspan="2"><font size="+1"><b>'. |
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&mt($no_data_message,$plot_num,@extra_data). |
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'</b></font></td></tr>'; |
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} else { |
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$analysis_html.= |
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'<tr><td colspan="2" align="center"><font size="+1"><b>'. |
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&mt($header_message,$plot_num,@extra_data). |
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'</b></font></td></tr>'. |
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'<tr><td colspan="2" align="center">'. |
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&mt($stats_message, |
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$stats->{'submission_count'}, |
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$stats->{'correct_count'}, |
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$stats->{'incorrect_count'}, |
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$stats->{'students'}, |
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@extra_data). |
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'</td></tr>'. |
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'<tr>'.'<td valign="top" align="center">'. |
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&numerical_plot_percent($r,$responses,$stats).'</td>'. |
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'<td align="center" valign="top">'. |
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&numerical_plot_differences($r,$responses,$stats).'</td>'. |
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'</tr>'; |
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} |
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if ($post_message ne '') { |
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$analysis_html .= |
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'<tr><td colspan="2">'.$post_message.'</td></tr>'; |
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} |
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} |
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$analysis_html.='</table>'; |
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$r->print($analysis_html); |
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# |
return; |
return; |
} |
} |
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sub BuildAnalyzePage { |
sub numerical_plot_percent { |
my ($cacheDB, $students, $courseID,$r)=@_; |
my ($r,$responses,$stats) = @_; |
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# |
$jr = $r; |
my $total = $stats->{'submission_count'}; |
my $c = $r->connection; |
return '' if ($total == 0); |
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my $max_bins = 50; |
my $Str = '</form>'; |
my $lowest_percent = $stats->{'min_percent'}; |
my %cache; |
my $highest_percent = $stats->{'max_percent'}; |
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my $percent_spread = $highest_percent - $lowest_percent; |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
foreach (qw/20 30 40 50 100 200/) { |
$Str .= 'Unable to tie database.'; |
if ($percent_spread < $_) { |
$r->print($Str); |
$highest_percent =$_/2; |
return; |
last; |
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} |
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} |
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my $bin_size = 1; |
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foreach (qw/0.01 0.05 0.1 0.5 1 2 5 10 20 25 50 100/) { |
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if ($lowest_percent/2 < $_){ |
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$bin_size = $_; |
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last; |
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} |
} |
} |
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my @bins; |
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for (my $bin = -$highest_percent;$bin<0;$bin+=$bin_size) { |
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push (@bins,$bin); |
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} |
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for (my $bin = 0; $bin<$highest_percent;$bin+=$bin_size) { |
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push (@bins,$bin); |
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} |
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push(@bins,$highest_percent); |
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# |
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my @correct; |
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my @incorrect; |
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my @count; |
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while (my ($ans,$submissions) = each(%$responses)) { |
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while (my ($submission,$counts) = each(%$submissions)) { |
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my ($correct_count,$incorrect_count) = @$counts; |
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my $scaled_value = 100*($submission-$ans)/abs($ans); |
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if ($scaled_value < $bins[0]) { |
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$bins[0]=$scaled_value -1; |
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} |
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my $bin; |
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for ($bin=0;$bin<$#bins;$bin++) { |
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last if ($bins[$bin]>$scaled_value); |
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} |
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$correct[$bin-1]+=$correct_count; |
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$incorrect[$bin-1]+=$incorrect_count; |
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$count[$bin-1]+=$correct_count+$incorrect_count; |
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} |
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} |
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# |
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my @plot_correct = @correct; |
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my @plot_incorrect = @incorrect; |
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my $max; |
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for (my $i=0;$i<$#bins;$i++) { |
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$plot_correct[$i] *= 100/$total; |
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$plot_incorrect[$i] *= 100/$total; |
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if (! defined($max) || |
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$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
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$max = $plot_correct[$i]+$plot_incorrect[$i]; |
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} |
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} |
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foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
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if ($max <$_) { $max = $_; last; } |
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} |
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# |
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my $title = &mt('Percent Difference'); |
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my @labels = (1..scalar(@bins)-1); |
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my $graph = &Apache::loncommon::DrawBarGraph |
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($title,'Percent Difference from Correct','Percent of Answers', |
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$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
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{xskip=>1}); |
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# |
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my $table = $graph.$/. |
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&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
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return $table; |
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} |
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# Remove students who don't have the proper section. |
sub numerical_plot_differences { |
my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
my ($r,$responses,$stats) = @_; |
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# |
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my $total = $stats->{'submission_count'}; |
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return '' if ($total == 0); |
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my $max_bins = 21; |
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my $min_bin_size = $stats->{'min_abs'}; |
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my $low_bin = $stats->{'lowest_ans'}-$stats->{'max_bin_size'}; |
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my $high_bin = $stats->{'highest_ans'}+$stats->{'max_bin_size'}; |
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if ($high_bin > 0 && $low_bin > -$high_bin) { |
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$low_bin = -$high_bin; |
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} elsif ($low_bin < 0 && $high_bin < -$low_bin) { |
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$high_bin = -$low_bin; |
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} |
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if (($high_bin -$low_bin)/$min_bin_size * 2 > $max_bins) { |
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$min_bin_size = abs($high_bin - $low_bin) / $max_bins * 2; |
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} |
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my @bins; |
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for (my $num = $low_bin;$num <= $high_bin;$num+=($min_bin_size/2)) { |
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push(@bins,$num); |
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} |
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# |
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my @correct; |
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my @incorrect; |
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my @count; |
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while (my ($ans,$submissions) = each(%$responses)) { |
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while (my ($submission,$counts) = each(%$submissions)) { |
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my ($correct_count,$incorrect_count) = @$counts; |
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my $scaled_value = $submission-$ans; |
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if ($scaled_value < $bins[0]) { |
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$bins[0]=$scaled_value-1; |
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} |
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my $bin=0; |
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for ($bin=0;$bin<$#bins;$bin++) { |
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last if ($bins[$bin]>$scaled_value); |
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} |
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$correct[$bin-1]+=$correct_count; |
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$incorrect[$bin-1]+=$incorrect_count; |
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$count[$bin-1]+=$correct_count+$incorrect_count; |
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} |
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} |
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my @plot_correct = @correct; |
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my @plot_incorrect = @incorrect; |
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my $max; |
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for (my $i=0;$i<=$#bins;$i++) { |
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$plot_correct[$i] *= 100/$total; |
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$plot_incorrect[$i] *= 100/$total; |
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if (! defined($max) || |
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$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
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$max = $plot_correct[$i]+$plot_incorrect[$i]; |
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} |
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} |
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foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
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if ($max <$_) { $max = $_; last; } |
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} |
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# |
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my $title = &mt('Difference between submission and correct'); |
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my @labels = (1..scalar(@bins)-1); |
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my $graph = &Apache::loncommon::DrawBarGraph |
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($title,'Difference from Correct','Percent of Answers', |
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$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
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{xskip=>1}); |
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# |
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my $table = $graph.$/. |
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&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
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return $table; |
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} |
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my $studentCount = scalar @$students; |
sub numerical_classify_responses { |
for(my $studentIndex=$studentCount-1; $studentIndex>=0; |
my ($full_row_data,$correct,$function) = @_; |
$studentIndex--) { |
my %submission_data; |
my $value = $cache{$students->[$studentIndex].':section'}; |
my %students; |
my $found = 0; |
my %stats; |
foreach (@sectionsSelected) { |
my $max=0; |
if($_ eq 'none') { |
foreach my $row (@$full_row_data) { |
if($value eq '' || !defined($value) || $value eq ' ') { |
my %subm = &hashify_attempt($row); |
$found = 1; |
if (ref($correct) eq 'HASH') { |
last; |
my $s_correct = $correct->{$subm{'student'}}; |
} |
$subm{'correct'} = $s_correct->{'answer'}; |
} else { |
foreach my $item ('unit','ans_low','ans_high') { |
if($value eq $_) { |
$subm{$item} = $s_correct->{$item}; |
$found = 1; |
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last; |
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} |
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} |
} |
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} else { # This probably never happens.... |
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$subm{'correct'} = $correct->{'answer'}; |
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$subm{'unit'} = $correct->{'unit'}; |
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} |
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# |
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my $abs_low =abs($subm{'correct'}-$subm{'ans_low'}); |
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my $abs_high=abs($subm{'correct'}-$subm{'ans_high'}); |
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if (! defined($stats{'min_abs'}) || |
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$stats{'min_abs'} > $abs_low) { |
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$stats{'min_abs'} = $abs_low; |
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} |
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if ($stats{'min_abs'} > $abs_high) { |
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$stats{'min_abs'} = $abs_high; |
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} |
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if (! defined($stats{'max_abs'}) || |
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$stats{'max_abs'} < $abs_low) { |
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$stats{'max_abs'} = $abs_low; |
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} |
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if ($stats{'max_abs'} < $abs_high) { |
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$stats{'max_abs'} = $abs_high; |
} |
} |
if($found == 0) { |
my $low_percent = 100 * abs($abs_low / $subm{'correct'}); |
splice(@$students, $studentIndex, 1); |
my $high_percent = 100 * abs($abs_high / $subm{'correct'}); |
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if (! defined($stats{'min_percent'}) || |
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$stats{'min_percent'} > $low_percent) { |
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$stats{'min_percent'} = $low_percent; |
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} |
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if ($stats{'min_percent'} > $high_percent) { |
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$stats{'min_percent'} = $high_percent; |
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} |
|
if (! defined($stats{'max_percent'}) || |
|
$stats{'max_percent'} < $low_percent) { |
|
$stats{'max_percent'} = $low_percent; |
|
} |
|
if ($stats{'max_percent'} < $high_percent) { |
|
$stats{'max_percent'} = $high_percent; |
|
} |
|
if (! defined($stats{'lowest_ans'}) || |
|
$stats{'lowest_ans'} > $subm{'correct'}) { |
|
$stats{'lowest_ans'} = $subm{'correct'}; |
|
} |
|
if (! defined($stats{'highest_ans'}) || |
|
$stats{'highest_ans'} < $subm{'correct'}) { |
|
$stats{'highest_ans'} = $subm{'correct'}; |
|
} |
|
# |
|
$subm{'submission'} =~ s/=\d+\s*$//; |
|
if (&$function(\%subm)) { |
|
my $scaled = '1'; |
|
my ($sname,$sdom) = split(':',$subm{'student'}); |
|
my ($myunit,$mysub) = ($subm{'unit'},$subm{'submission'}); |
|
my $result = |
|
&capa::caparesponse_get_real_response($myunit, |
|
$mysub, |
|
\$scaled); |
|
# &Apache::lonnet::logthis('scaled = '.$scaled.' result ='.$result); |
|
next if (! defined($scaled)); |
|
# next if ($result ne '6'); |
|
my $submission = $scaled; |
|
$students{$subm{'student'}}++; |
|
$stats{'submission_count'}++; |
|
if (&numerical_submission_is_correct($subm{'award'})) { |
|
$stats{'correct_count'}++; |
|
$submission_data{$subm{'correct'}}->{$submission}->[0]++; |
|
} elsif (&numerical_submission_is_incorrect($subm{'award'})) { |
|
$stats{'incorrect_count'}++; |
|
$submission_data{$subm{'correct'}}->{$submission}->[1]++; |
|
} |
} |
} |
} |
} |
unless(untie(%cache)) { |
$stats{'students'}=scalar(keys(%students)); |
$r->print('Can not untie hash.'); |
return (\%submission_data,\%stats); |
$r->rflush(); |
} |
|
|
|
sub numerical_submission_is_correct { |
|
my ($award) = @_; |
|
if ($award =~ /^(APPROX_ANS|EXACT_ANS)$/) { |
|
return 1; |
|
} else { |
|
return 0; |
} |
} |
|
} |
|
|
&Apache::lonhtmlcommon::Close_PrgWin($r); |
sub numerical_submission_is_incorrect { |
|
my ($award) = @_; |
|
if ($award =~ /^(INCORRECT)$/) { |
|
return 1; |
|
} else { |
|
return 0; |
|
} |
|
} |
|
|
### jason code for checing is there data in cache |
sub numerical_bin_table { |
# my $error = |
my ($bins,$labels,$incorrect,$correct,$count)=@_; |
# &Apache::loncoursedata::DownloadStudentCourseDataSeparate($students, |
my $table = |
# 'true', |
'<table><tr><th>'.&mt('Bar').'</th>'. |
# $cacheDB, |
'<th colspan="3">'.&mt('Range').'</th>'. |
# 'true', |
'<th>'.&mt('Incorrect').'</th>'. |
# 'true', |
'<th>'.&mt('Correct').'</th>'. |
# $courseID, |
'<th>'.&mt('Count').'</th>'. |
# $r, $c); |
'</tr>'.$/; |
# if($error ne 'OK') { |
for (my $i=0;$i<scalar(@{$bins}-1);$i++) { |
# $r->print($error.'<br>Error downloading course data<br>'); |
my $lownum = $bins->[$i]; |
# return; |
if ($i == 0) { $lownum = '-∞'; } |
# } |
my $highnum = $bins->[$i+1]; |
|
if ($i == scalar(@{$bins})-2) { $highnum = '∞'; } |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
$table .= |
$Str .= 'Unable to tie database.'; |
'<tr>'. |
$r->print($Str); |
'<td>'.$labels->[$i].'</td>'. |
return; |
'<td align="right">'.$lownum.'</td>'. |
|
'<td> - </td>'. |
|
'<td align="right">'.$highnum.'</td>'. |
|
'<td align="right">'.$incorrect->[$i].'</td>'. |
|
'<td align="right">'.$correct->[$i].'</td>'. |
|
'<td align="right">'.$count->[$i].'</td>'. |
|
'</tr>'.$/; |
} |
} |
|
$table.= '</table>'; |
|
return $table; |
|
} |
|
|
my ($problemId, $part, $responseId)=split(':',$cache{'AnalyzeInfo'}); |
sub numerical_determine_answers { |
my $uri = $cache{$problemId.':source'}; |
my ($r,$resource,$partid,$respid,$students)=@_; |
my $problem = $cache{$problemId.':problem'}; |
my $c = $r->connection(); |
my $title = $cache{$problemId.':title'}; |
# |
my $interval = $cache{'Interval'}; |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
my $heading = 'Restore this particular Option Response Problem '. |
($r,'Student Answer Compilation Status', |
'Results, Please wait...'; |
'Student Answer Compilation Progress', scalar(@$students), |
|
'inline',undef,'Statistics','stats_status'); |
my %ConceptData; |
# |
$ConceptData{"Interval"} = $interval; |
# Read in the cache (if it exists) before we start timing things. |
|
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
#Initialize the option response true answers |
# |
my ($analyzeData) = &InitAnalysis($uri, $part, $responseId, $problem, |
my $correct; |
$students->[0], $courseID); |
my %answers; |
if(defined($analyzeData->{'error'})) { |
foreach my $student (@$students) { |
$Str .= $analyzeData->{'error'}.'<br>Incorrect part requested.<br>'; |
last if ($c->aborted()); |
$r->print($Str); |
my $sname = $student->{'username'}; |
return; |
my $sdom = $student->{'domain'}; |
|
# analyze problem |
|
my $analysis = |
|
&Apache::lonstathelpers::analyze_problem_as_student($resource, |
|
$sname, |
|
$sdom); |
|
# make the key |
|
my $key = $partid.'.'.$respid; |
|
foreach my $item ('answer','unit','ans_high','ans_low') { |
|
$correct->{$sname.':'.$sdom}->{$item} = |
|
$analysis->{$key.'.'.$item}->[0]; |
|
} |
|
$answers{$analysis->{$key.'.answer'}->[0]}++; |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
|
} |
|
&Apache::lonstathelpers::write_analysis_cache(); |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
return ($correct,\%answers); |
|
} |
|
|
|
# |
|
# Inputs: $r, $width, $height, $data |
|
# $n = number of students |
|
# $data = hashref of $answer => $frequency pairs |
|
sub numerical_one_dimensional_plot { |
|
my ($r,$width,$height,$data)=@_; |
|
# |
|
# Compute data -> image scaling factors |
|
my $max_y = 0; |
|
my $min_x = undef; |
|
my $max_x = undef; |
|
my $n = 0; |
|
while (my ($answer,$count) = each(%$data)) { |
|
$n+=$count; |
|
$max_y = $count if ($max_y < $count); |
|
if (! defined($min_x) || $answer < $min_x) { |
|
$min_x = $answer; |
|
} |
|
if (! defined($max_x) || $answer > $max_x) { |
|
$max_x = $answer; |
|
} |
|
} |
|
# |
|
my $min_max_difference = $max_x - $min_x; |
|
if (! defined($min_max_difference) || $min_max_difference == 0) { |
|
$min_max_difference = 1; |
|
} |
|
my $h_scale = ($width-10)/$min_max_difference; |
|
# |
|
my $ticscale = 5; |
|
if ($max_y * $ticscale > $height/2) { |
|
$ticscale = int($height/2/$max_y); |
|
$ticscale = 1 if ($ticscale < 1); |
|
} |
|
# |
|
# Create the plot |
|
my $plot = |
|
qq{<drawimage width="$width" height="$height" bgcolor="transparent" >}; |
|
while (my ($answer,$count) = each(%$data)) { |
|
my $xloc = 5+$h_scale*($answer - $min_x); |
|
my $top = $height/2-$count*$ticscale; |
|
my $bottom = $height/2+$count*$ticscale; |
|
$plot .= &line($xloc,$top,$xloc,$bottom,'888888',1); |
|
} |
|
# |
|
# Put the scale on last to ensure it is on top of the data. |
|
if ($min_x < 0 && $max_x > 0) { |
|
my $circle_x = 5+$h_scale*abs($min_x); # '0' in data coordinates |
|
my $r = 4; |
|
$plot .= &line(5,$height/2,$circle_x-$r,$height/2,'000000',1); |
|
$plot .= &circle($circle_x,$height/2,$r+1,'000000'); |
|
$plot .= &line($circle_x+$r,$height/2,$width-5,$height/2,'000000',1); |
|
} else { |
|
$plot .= &line(5,$height/2,$width-5,$height/2,'000000',1); |
} |
} |
|
$plot .= '</drawimage>'; |
|
my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); |
|
my $result = '<table>'. |
|
'<tr><td colspan="3" align="center">'. |
|
'<font size="+2">'.&mt('Distribution of correct answers').'</font>'. |
|
'<br />'.&mt('[_1] students, [_2] distinct correct answers', |
|
$n,scalar(keys(%$data))). |
|
'<br />'.&mt('Maximum number of coinciding values: [_1]',$max_y). |
|
'</td></tr>'. |
|
'<tr>'. |
|
'<td valign="center">'.$min_x.'</td>'. |
|
'<td>'.$plotresult.'</td>'. |
|
'<td valign="center">'.$max_x.'</td>'. |
|
'</tr>'. |
|
'</table>'; |
|
return $result; |
|
} |
|
|
$r->print($Str); |
## |
$Str = ''; |
## Helper subroutines for <drawimage>. |
if($c->aborted()) { untie(%cache); return; } |
## These should probably go somewhere more suitable soon. |
|
sub line { |
#compute the intervals |
my ($x1,$y1,$x2,$y2,$color,$thickness) = @_; |
&Interval($part, $problem, $interval, $analyzeData->{'concepts'}, |
return qq{<line x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" />}; |
\%ConceptData); |
} |
|
|
$title =~ s/\ /"_"/eg; |
|
$Str .= '<br><b>'.$uri.'</b>'; |
|
|
|
$r->print($Str); |
|
$Str = ''; |
|
if($c->aborted()) { untie(%cache); return; } |
|
|
|
&Apache::lonhtmlcommon::Create_PrgWin($r, $title, $heading); |
|
|
|
my $count=0; |
|
#Java script Progress window |
|
for(my $index=0; $index<(scalar @$students); $index++) { |
|
if($c->aborted()) { untie(%cache); return; } |
|
$count++; |
|
my $displayString = $count.'/'.$studentCount.': '.$_; |
|
&Apache::lonhtmlcommon::Update_PrgWin($displayString, $r); |
|
&OpStatus($problemId, $students->[$index], \%ConceptData, |
|
$analyzeData->{'foil_to_concept'}, $analyzeData, |
|
\%cache, $courseID); |
|
} |
|
&Apache::lonhtmlcommon::Close_PrgWin($r); |
|
|
|
$Str .= '<br>'; |
|
for (my $k=0; $k<$interval; $k++ ) { |
|
if($c->aborted()) { untie(%cache); return $Str; } |
|
$Str .= &DrawGraph($k, $title, $analyzeData->{'concepts'}, |
|
\%ConceptData); |
|
$r->print($Str); |
|
$Str = ''; |
|
} |
|
for (my $k=0; $k<$interval; $k++ ) { |
|
if($c->aborted()) { untie(%cache); return $Str; } |
|
$Str .= &DrawTable($k, $analyzeData->{'concepts'}, \%ConceptData); |
|
$r->print($Str); |
|
$Str = ''; |
|
} |
|
my $Answ=&Apache::lonnet::ssi($uri); |
|
$Str .= '<br><b>Here you can see the Problem:</b><br>'.$Answ; |
|
$Str .= '<form>'; |
|
$r->print($Str); |
|
|
|
untie(%cache); |
sub text { |
|
my ($x,$y,$color,$text,$font,$direction) = @_; |
|
if (! defined($font) || $font !~ /^(tiny|small|medium|large|giant)$/) { |
|
$font = 'medium'; |
|
} |
|
if (! defined($direction) || $direction ne 'vertical') { |
|
$direction = ''; |
|
} |
|
return qq{<text x="$x" y="$y" color="$color" font="$font" direction="$direction" >$text</text>}; |
|
} |
|
|
return; |
sub rectangle { |
|
my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_; |
|
return qq{<rectangle x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" filled="$filled" />}; |
} |
} |
|
|
#---- Problem Analysis Web Page ---------------------------------------------- |
sub arc { |
|
my ($x,$y,$width,$height,$start,$end,$color,$thickness,$filled)=@_; |
|
return qq{<arc x="$x" y="$y" width="$width" height="$height" start="$start" end="$end" color="$color" thickness="$thickness" filled="$filled" />}; |
|
} |
|
|
sub IntervalOptions { |
sub circle { |
my ($selectedInterval)=@_; |
my ($x,$y,$radius,$color,$thickness,$filled)=@_; |
|
return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); |
|
} |
|
|
my $interval = 1; |
######################################################### |
for(my $n=1; $n<=7; $n++) { |
######################################################### |
if($selectedInterval == $n) { |
## |
$interval = $n; |
## Radio Response Routines |
|
## |
|
######################################################### |
|
######################################################### |
|
sub radio_response_analysis { |
|
my ($r,$problem,$problem_analysis,$students) = @_; |
|
# |
|
if ($ENV{'form.AnalyzeOver'} !~ /^(tries|time)$/) { |
|
$r->print('Bad request'); |
|
} |
|
# |
|
my ($resource,$partid,$respid) = ($problem->{'resource'}, |
|
$problem->{'part'}, |
|
$problem->{'respid'}); |
|
# |
|
my $analysis_html; |
|
my $foildata = $problem_analysis->{'_Foils'}; |
|
my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); |
|
if (! defined($concepts)) { |
|
$concepts = []; |
|
} |
|
# |
|
my %true_foils; |
|
my $num_true = 0; |
|
if (! $problem_analysis->{'answercomputed'}) { |
|
foreach my $foil (@$foils) { |
|
if ($foildata->{$foil}->{'value'} eq 'true') { |
|
$true_foils{$foil}++; |
|
} |
} |
} |
|
$num_true = scalar(keys(%true_foils)); |
} |
} |
|
# |
|
$analysis_html .= $table; |
|
# Gather student data |
|
my $response_data = &Apache::loncoursedata::get_response_data |
|
(\@Apache::lonstatistics::SelectedSections, |
|
$Apache::lonstatistics::enrollment_status, |
|
$resource->symb,$respid); |
|
my $correct; # either a hash reference or a scalar |
|
if ($problem_analysis->{'answercomputed'} || scalar(@$concepts) > 1) { |
|
# This takes a while for large classes... |
|
&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, |
|
'Statistics', |
|
'stats_status'); |
|
foreach my $student (@$students) { |
|
my ($idx,@remainder) = split('&',$student->{'answer'}); |
|
my ($answer) = ($remainder[$idx]=~/^(.*)=([^=]*)$/); |
|
$correct->{$student->{'username'}.':'.$student->{'domain'}}= |
|
&Apache::lonnet::unescape($answer); |
|
} |
|
} else { |
|
foreach my $foil (keys(%$foildata)) { |
|
if ($foildata->{$foil}->{'value'} eq 'true') { |
|
$correct = $foildata->{$foil}->{'name'}; |
|
} |
|
} |
|
} |
|
# |
|
if (! defined($response_data) || ref($response_data) ne 'ARRAY' ) { |
|
$analysis_html = '<h2>'. |
|
&mt('There is no submission data for this resource'). |
|
'</h2>'; |
|
$r->print($analysis_html); |
|
return; |
|
} |
|
# |
|
$analysis_html.='<table>'; |
|
for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { |
|
# classify data ->correct foil -> selected foil |
|
my ($restriction_function, |
|
$correct_foil_title,$incorrect_foil_title, |
|
$pre_graph_text,$post_graph_text, |
|
$no_data_text,@extra_data); |
|
if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
|
$restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; |
|
$correct_foil_title = 'Attempt '.$plot_num; |
|
$incorrect_foil_title = 'Attempt '.$plot_num; |
|
$pre_graph_text = |
|
'Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect'; |
|
$post_graph_text = ''; |
|
$no_data_text = 'No data exists for attempt [_1]'; |
|
} elsif ($ENV{'form.AnalyzeOver'} eq 'time') { |
|
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
|
('startdate_'.$plot_num); |
|
my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
|
('enddate_'.$plot_num); |
|
($starttime,$endtime) = &ensure_start_end_times |
|
($starttime,$endtime, |
|
&get_time_from_row($response_data->[0]), |
|
&get_time_from_row($response_data->[-1]), |
|
$plot_num); |
|
$pre_graph_text = |
|
'Data from [_6] to [_7]<br /> [_2] submissions from [_5] students, [_3] correct, [_4] incorrect'; |
|
$extra_data[0] = &Apache::lonlocal::locallocaltime($starttime); |
|
$extra_data[1] = &Apache::lonlocal::locallocaltime($endtime); |
|
# |
|
$post_graph_text = |
|
&mt('Start time: [_1]', |
|
&Apache::lonhtmlcommon::date_setter |
|
('Statistics','startdate_'.$plot_num,$starttime)). |
|
'<br />'. |
|
&mt('End time: [_1]', |
|
&Apache::lonhtmlcommon::date_setter |
|
('Statistics','enddate_'.$plot_num,$endtime)); |
|
$restriction_function = |
|
sub { |
|
my $t = $_[0]->{'timestamp'}; |
|
if ($t >= $starttime && $t < $endtime) { |
|
return 1; |
|
} else { |
|
return 0; |
|
} |
|
}; |
|
$no_data_text = 'No data for [_5] to [_6]'; |
|
} |
|
my $foil_choice_data = |
|
&classify_response_data($response_data,$correct, |
|
$restriction_function); |
|
# &Apache::lonstathelpers::log_hash_ref($foil_choice_data); |
|
my $answers; |
|
if (ref($correct)) { |
|
my %tmp; |
|
foreach my $foil (values(%$correct)) { |
|
$tmp{$foil}++; |
|
} |
|
$answers = [keys(%tmp)]; |
|
} else { |
|
$answers = [$correct]; |
|
} |
|
# Concept Plot |
|
my $concept_plot = ''; |
|
if (scalar(@$concepts) > 1) { |
|
$concept_plot = &RR_concept_plot($concepts,$foil_choice_data, |
|
'Correct Concepts'); |
|
} |
|
# % Choosing plot |
|
my $choice_plot = &RR_create_percent_selected_plot |
|
($concepts,$foils,$foil_choice_data,$correct_foil_title); |
|
# for each correct foil, how did they mark it? (stacked bar graph) |
|
my ($stacked_plot,$count_by_foil); |
|
if ($problem_analysis->{'answercomputed'} || $num_true > 1) { |
|
($stacked_plot,$count_by_foil) = |
|
&RR_create_stacked_selection_plot($foils,$foil_choice_data, |
|
$incorrect_foil_title, |
|
\%true_foils); |
|
} |
|
# |
|
if ($concept_plot ne '' || |
|
$choice_plot ne '' || |
|
$stacked_plot ne '') { |
|
my $correct = $foil_choice_data->{'_correct'}; |
|
if (! defined($correct) || $correct eq '') { |
|
$correct = 0; |
|
} |
|
my $incorrect = |
|
$analysis_html.= '<tr><td colspan="4" align="center">'. |
|
'<font size="+1">'. |
|
&mt($pre_graph_text, |
|
$plot_num,$foil_choice_data->{'_count'}, |
|
$correct, |
|
$foil_choice_data->{'_count'}-$correct, |
|
$foil_choice_data->{'_students'}, |
|
@extra_data). |
|
'</td></tr>'.$/; |
|
$analysis_html.= |
|
'<tr>'. |
|
'<td>'.$concept_plot.'</td>'. |
|
'<td>'.$choice_plot.'</td>'; |
|
if ($stacked_plot ne '') { |
|
$analysis_html .= |
|
'<td>'.$stacked_plot.'</td>'. |
|
'<td>'.&build_foil_key($foils,$count_by_foil).'</td>'; |
|
} else { |
|
$analysis_html .= ('<td></td>'x2); |
|
} |
|
$analysis_html.='</tr>'.$/; |
|
if (defined($post_graph_text)) { |
|
$analysis_html.= '<tr><td colspan="4" align="center">'. |
|
$post_graph_text.'</td></tr>'.$/; |
|
} |
|
} elsif ($no_data_text ne '') { |
|
$analysis_html.='<tr><td colspan="4" align="center">'. |
|
&mt($no_data_text, |
|
$plot_num,$foil_choice_data->{'_count'}, |
|
$correct, |
|
$foil_choice_data->{'_count'}-$correct, |
|
@extra_data); |
|
if (defined($post_graph_text)) { |
|
$analysis_html.='<br />'.$post_graph_text; |
|
} |
|
$analysis_html.='</td></tr>'.$/; |
|
} |
|
} # end of loop for plots |
|
$analysis_html.='</table>'; |
|
$r->print($analysis_html); |
|
} |
|
|
my $Ptr = '<select name="Interval">'."\n"; |
sub ensure_start_end_times { |
for(my $n=1; $n<=7;$ n++) { |
my ($start,$end,$first,$last,$plot_num) = @_; |
$Ptr .= '<option'; |
if (! defined($start) || ! defined($end)) { |
if($interval == $n) { |
my $sec_in_day = 86400; |
$Ptr .= ' selected'; |
my ($sday,$smon,$syear) = |
|
(localtime($last - $sec_in_day*($plot_num-1)))[3..5]; |
|
$start = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); |
|
$end = $start + $sec_in_day; |
|
if ($plot_num == $ENV{'form.NumPlots'}) { |
|
$start = $first; |
} |
} |
$Ptr .= '>'.$n."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
return ($start,$end); |
|
} |
|
|
return $Ptr; |
sub RR_concept_plot { |
|
my ($concepts,$foil_data,$title) = @_; |
|
# |
|
my %correct_by_concept; |
|
my %incorrect_by_concept; |
|
my %true; |
|
foreach my $concept (@$concepts) { |
|
foreach my $foil (@{$concept->{'foils'}}) { |
|
next if (! exists($foil_data->{$foil})); |
|
foreach my $choice (keys(%{$foil_data->{$foil}})) { |
|
if ($choice eq $foil) { |
|
$correct_by_concept{$concept->{'name'}} += |
|
$foil_data->{$foil}->{$choice}; |
|
} else { |
|
$incorrect_by_concept{$concept->{'name'}} += |
|
$foil_data->{$foil}->{$choice}; |
|
} |
|
} |
|
} |
|
} |
|
# |
|
# need arrays for incorrect and correct because we want to use different |
|
# colors for them |
|
my @correct; |
|
# |
|
my $total =0; |
|
for (my $i=0;$i<scalar(@$concepts);$i++) { |
|
my $concept = $concepts->[$i]; |
|
$correct[$i] = $correct_by_concept{$concept->{'name'}}; |
|
$total += $correct_by_concept{$concept->{'name'}}+ |
|
$incorrect_by_concept{$concept->{'name'}}; |
|
} |
|
if ($total == 0) { return ''; }; |
|
for (my $i=0;$i<=$#correct;$i++) { |
|
$correct[$i] = sprintf('%0f',$correct[$i]/$total*100); |
|
} |
|
my $xlabel = 'concept'; |
|
my $plot= &Apache::loncommon::DrawBarGraph($title, |
|
$xlabel, |
|
'Percent Choosing', |
|
100, |
|
['#33ff00','#ff3300'], |
|
undef, |
|
\@correct); |
|
return $plot; |
} |
} |
|
|
sub OptionResponseTable { |
sub RR_create_percent_selected_plot { |
my ($optionResponses,$cache,$r)=@_; |
my ($concepts,$foils,$foil_data,$title) = @_; |
|
# |
|
if ($foil_data->{'_count'} == 0) { return ''; }; |
|
my %correct_selections; |
|
my %incorrect_selections; |
|
foreach my $foil (@$foils) { |
|
# foil_data has format $foil_data->{true_foil}->{selected foil}=count |
|
next if (! exists($foil_data->{$foil})); |
|
while (my ($f,$count)= each(%{$foil_data->{$foil}})) { |
|
if ($f eq $foil) { |
|
$correct_selections{$foil} += $count; |
|
} else { |
|
$incorrect_selections{$f} += $count; |
|
} |
|
} |
|
} |
|
# |
|
# need arrays for incorrect and correct because we want to use different |
|
# colors for them |
|
my @correct; |
|
my @incorrect; |
|
# |
|
my $total = $foil_data->{'_count'}; |
|
for (my $i=0;$i<scalar(@$foils);$i++) { |
|
my $foil = $foils->[$i]; |
|
$correct[$i] = $correct_selections{$foil}; |
|
$incorrect[$i] = $incorrect_selections{$foil}; |
|
} |
|
for (my $i=0;$i<=$#correct;$i++) { |
|
$correct[$i] = sprintf('%2f',$correct[$i]/$total*100); |
|
} |
|
for (my $i=0;$i<=$#incorrect;$i++) { |
|
$incorrect[$i] = sprintf('%2f',$incorrect[$i]/$total*100); |
|
} |
|
# |
|
# Put a blank in the data sets between concepts, if there are concepts |
|
my @labels; |
|
if (defined($concepts) && scalar(@$concepts) > 1) { |
|
my @new_correct; |
|
my @new_incorrect; |
|
my $foil_count = 0; |
|
foreach my $concept (@$concepts) { |
|
foreach (@{$concept->{'foils'}}) { |
|
push(@new_correct, $correct[$foil_count]); |
|
push(@new_incorrect,$incorrect[$foil_count]); |
|
push(@labels,++$foil_count); |
|
} |
|
push(@new_correct,''); |
|
push(@new_incorrect,''); |
|
push(@labels,''); |
|
} |
|
@correct = @new_correct; |
|
@incorrect = @new_incorrect; |
|
} else { |
|
@labels = (1 .. scalar(@correct)); |
|
} |
|
# |
|
my $xlabel = 'foil chosen'; |
|
my $plot= &Apache::loncommon::DrawBarGraph($title, |
|
$xlabel, |
|
'Percent Choosing', |
|
100, |
|
['#33ff00','#ff3300'], |
|
\@labels, |
|
\@correct, |
|
\@incorrect); |
|
return $plot; |
|
} |
|
|
my @optionResponses=split(':::', $optionResponses); |
sub RR_create_stacked_selection_plot { |
my %partCount; |
my ($foils,$foil_data,$title,$true_foils)=@_; |
my %sequences; |
# |
my @orderedSequences=(); |
my @dataset; # array of array refs - multicolor rows $datasets[row]->[col] |
foreach(@optionResponses) { |
my @labels; |
my ($sequence, $problemId, $part, undef)=split(':',$_); |
my $count; |
$partCount{$problemId.':'.$part}++; |
my %column; # maps foil name to column in @datasets |
if(!defined($sequences{$sequence})) { |
for (my $i=0;$i<scalar(@$foils);$i++) { |
push(@orderedSequences, $sequence); |
my $foil = $foils->[$i]; |
$sequences{$sequence} = $_; |
if (defined($true_foils) && scalar(keys(%$true_foils)) > 0 ) { |
|
next if (! $true_foils->{$foil} ); |
|
push(@labels,$i+1); |
} else { |
} else { |
$sequences{$sequence} .= ':::'.$_; |
next if (! exists($foil_data->{$foil})); |
|
push(@labels,$i+1); |
|
} |
|
next if (! exists($foil_data->{$foils->[$i]})); |
|
$column{$foil}= $count++; |
|
for (my $j=0;$j<scalar(@$foils);$j++) { |
|
my $value = 0; |
|
if ($i != $j ) { |
|
$value += $foil_data->{$foil}->{$foils->[$j]}; |
|
} |
|
$dataset[$j]->[$column{$foil}]=$value; |
} |
} |
} |
} |
|
# |
|
return '' if (! scalar(keys(%column))); |
|
# |
|
my $grand_total = 0; |
|
my %count_per_foil; |
|
while (my ($foil,$bar) = each (%column)) { |
|
my $bar_total = 0; |
|
for (my $j=0;$j<scalar(@dataset);$j++) { |
|
$bar_total += $dataset[$j]->[$bar]; |
|
} |
|
next if ($bar_total == 0); |
|
for (my $j=0;$j<scalar(@dataset);$j++) { |
|
$dataset[$j]->[$bar] = |
|
sprintf('%2f',$dataset[$j]->[$bar]/$bar_total * 100); |
|
} |
|
$count_per_foil{$foil}=' ( '.$bar_total.' )'; |
|
$grand_total += $bar_total; |
|
} |
|
if ($grand_total == 0) { |
|
return ('',undef); |
|
} |
|
my @empty_row = (); |
|
foreach (@{$dataset[0]}) { |
|
push(@empty_row,0); |
|
} |
|
# |
|
my $graph = &Apache::loncommon::DrawBarGraph |
|
($title,'Correct Foil','foils chosen Incorrectly', |
|
100,$plotcolors,\@labels,\@empty_row,@dataset); |
|
return ($graph,\%count_per_foil); |
|
} |
|
|
my $Str = ''; |
|
|
|
foreach my $sequence (@orderedSequences) { |
|
my @optionProblems = split(':::', $sequences{$sequence}); |
|
|
|
$Str .= '<b>'.$cache->{$sequence.':title'}.'</b>'."\n"; |
######################################################### |
$Str .= "<table border=2><tr><th> \# </th><th> Problem Title </th>"; |
######################################################### |
$Str .= '<th> Resource </th><th> Analysis </th></tr>'."\n"; |
## |
|
## Misc routines |
my $count = 1; |
## |
foreach(@optionProblems) { |
######################################################### |
my (undef, $problemId, $part, $response)= |
######################################################### |
split(':',$optionProblems[$count-1]); |
|
# split(':',$sequences{$sequence}); |
# if $correct is a hash ref, it is assumed to be indexed by student names. |
my $uri = $cache->{$problemId.':source'}; |
# the values are assumed to be hash refs with a key of 'answer'. |
my $title = $cache->{$problemId.':title'}; |
sub classify_response_data { |
|
my ($full_row_data,$correct,$function) = @_; |
my $Temp = '<a href="'.$uri.'" target="_blank">'.$title.'</a>'; |
my %submission_data; |
$Str .= '<tr>'; |
my %students; |
$Str .= '<td> '.$count.' </td>'; |
my $max=0; |
$Str .= '<td bgcolor="#DDFFDD">'.$Temp.'</td>'; |
foreach my $row (@$full_row_data) { |
$Str .= '<td bgcolor="#EEFFCC">'.$uri.'</td>'; |
my %subm = &hashify_attempt($row); |
if($partCount{$problemId.':'.$part} < 2) { |
if (ref($correct) eq 'HASH') { |
$Str .= '<td><input type="submit" name="Analyze:::'; |
$subm{'correct'} = $correct->{$subm{'student'}}; |
$Str .= $problemId.':'.$part.'" value="'; |
} else { |
$Str .= 'Part '.$part; |
$subm{'correct'} = $correct; |
$Str .= '" /></td></tr>'."\n"; |
} |
} else { |
$subm{'submission'} =~ s/=\d+\s*$//; |
my $value = $problemId.':'.$part.':'.$response; |
if (&$function(\%subm)) { |
$Str .= '<td><input type="submit" name="Analyze:::'.$value; |
$students{$subm{'student'}}++; |
$Str .= '" value="'; |
$submission_data{'_count'}++; |
$Str .= 'Part '.$part.' Response '.$response; |
if (&submission_is_correct($subm{'award'})) { |
$Str .= '" /></td></tr>'."\n"; |
$submission_data{'_correct'}++; |
|
} |
|
|
|
if($max<++$submission_data{$subm{'correct'}}->{$subm{'submission'}}) { |
|
$max=$submission_data{$subm{'correct'}}->{$subm{'submission'}}; |
} |
} |
$count++; |
|
} |
} |
$Str .= '</table><br>'."\n"; |
|
} |
} |
|
$submission_data{'_max'} = $max; |
return $Str; |
$submission_data{'_students'}=scalar(keys(%students)); |
|
return \%submission_data; |
} |
} |
|
|
#---- END Problem Analysis Web Page ------------------------------------------ |
|
|
|
#---- Analyze Web Page ------------------------------------------------------- |
######################################################### |
|
######################################################### |
|
## |
|
## Option Response Routines |
|
## |
|
######################################################### |
|
######################################################### |
|
sub OptionResponseAnalysis { |
|
my ($r,$problem,$problem_data,$Students) = @_; |
|
my ($resource,$respid) = ($problem->{'resource'}, |
|
$problem->{'respid'}); |
|
# Note: part data is not needed. |
|
my $PerformanceData = &Apache::loncoursedata::get_response_data |
|
(\@Apache::lonstatistics::SelectedSections, |
|
$Apache::lonstatistics::enrollment_status, |
|
$resource->symb,$respid); |
|
if (! defined($PerformanceData) || |
|
ref($PerformanceData) ne 'ARRAY' ) { |
|
$r->print('<h2>'. |
|
&mt('There is no student data for this problem.'). |
|
'</h2>'); |
|
} else { |
|
$r->rflush(); |
|
if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
|
my $analysis_html = &OR_tries_analysis($r, |
|
$PerformanceData, |
|
$problem_data); |
|
$r->print($analysis_html); |
|
$r->rflush(); |
|
} elsif ($ENV{'form.AnalyzeOver'} eq 'time') { |
|
my $analysis_html = &OR_time_analysis($PerformanceData, |
|
$problem_data); |
|
$r->print($analysis_html); |
|
$r->rflush(); |
|
} else { |
|
$r->print('<h2>'. |
|
&mt('The analysis you have selected is '. |
|
'not supported at this time'). |
|
'</h2>'); |
|
} |
|
} |
|
} |
|
|
# Joson code for reading data from cache |
######################################################### |
=pod |
# |
sub OpStatus { |
# Option Response: tries Analysis |
my ($problemID, $student, $ConceptData, $foil_to_concept, |
# |
$analyzeData, $cache)=@_; |
######################################################### |
|
sub OR_tries_analysis { |
my $ids = $analyzeData->{'parts'}; |
my ($r,$PerformanceData,$ORdata) = @_; |
|
my $mintries = 1; |
my @True = (); |
my $maxtries = $ENV{'form.NumPlots'}; |
my @False = (); |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
my $flag=0; |
if (! defined($Concepts)) { |
|
$Concepts = []; |
my $tries=0; |
} |
|
my %response_data = &OR_analyze_by_tries($r,$PerformanceData, |
foreach my $id (@$ids) { |
$mintries,$maxtries); |
my ($part, $response) = split(/\./, $id); |
my $analysis = ''; |
my $time=$cache->{$student.':'.$problemID.':'.$part.':timestamp'}; |
# |
my @submissions = split(':::', $cache->{$student.':'.$problemID.':'. |
# Compute the data necessary to make the plots |
$part.':'.$response. |
my @foil_plot; |
':submission'}); |
my @concept_data; |
foreach my $Resp (@submissions) { |
for (my $j=0;$j<=scalar(@$Concepts);$j++) { |
my %submission=&Apache::lonnet::str2hash($Resp); |
my $concept = $Concepts->[$j]; |
foreach (keys(%submission)) { |
foreach my $foilid (@{$concept->{'foils'}}) { |
if($submission{$_}) { |
for (my $try=$mintries;$try<=$maxtries;$try++) { |
my $answer = $analyzeData->{$id.'.foil.value.'.$_}; |
# concept analysis data |
if($submission{$_} eq $answer) { |
$concept_data[$j]->[$try]->{'_correct'} += |
&Decide("true", $foil_to_concept->{$_}, |
$response_data{$foilid}->[$try]->{'_correct'}; |
$time, $ConceptData); |
$concept_data[$j]->[$try]->{'_total'} += |
|
$response_data{$foilid}->[$try]->{'_total'}; |
|
# |
|
# foil analysis data |
|
if ($response_data{$foilid}->[$try]->{'_total'} == 0) { |
|
push(@{$foil_plot[$try]->{'_correct'}},0); |
|
} else { |
|
push(@{$foil_plot[$try]->{'_correct'}}, |
|
100*$response_data{$foilid}->[$try]->{'_correct'}/ |
|
$response_data{$foilid}->[$try]->{'_total'}); |
|
} |
|
foreach my $option (@{$ORdata->{'_Options'}}) { |
|
push(@{$foil_plot[$try]->{'_total'}}, |
|
$response_data{$foilid}->[$try]->{'_total'}); |
|
if ($response_data{$foilid}->[$try]->{'_total'} == 0) { |
|
push (@{$foil_plot[$try]->{$option}},0); |
} else { |
} else { |
&Decide("false", $foil_to_concept->{$_}, |
if ($response_data{$foilid}->[$try]->{'_total'} == |
$time, $ConceptData); |
$response_data{$foilid}->[$try]->{'_correct'}) { |
|
push(@{$foil_plot[$try]->{$option}},0); |
|
} else { |
|
push (@{$foil_plot[$try]->{$option}}, |
|
100 * |
|
$response_data{$foilid}->[$try]->{$option} / |
|
($response_data{$foilid}->[$try]->{'_total'} |
|
- |
|
$response_data{$foilid}->[$try]->{'_correct'} |
|
)); |
|
} |
} |
} |
|
} # End of foreach my $option |
|
} |
|
} # End of foreach my $foilid |
|
} # End of concept loops |
|
# |
|
# Build a table for the plots |
|
my $analysis_html = "<br /><table>\n"; |
|
my $optionkey = &build_option_index($ORdata); |
|
my $num_concepts = 1; |
|
if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); } |
|
# |
|
for (my $try=$mintries;$try<=$maxtries;$try++) { |
|
if (! defined($response_data{'_total'}->[$try]) || |
|
$response_data{'_total'}->[$try] == 0) { |
|
if ($try > 1) { |
|
$analysis_html.= '<tr><td align="center" colspan="4"><b>'. |
|
&mt('None of the selected students attempted the problem more than [_1] times.',$try-1). |
|
'</b></td></tr>'; |
|
} else { |
|
$analysis_html.= '<tr><td colspan="4" align="center"><b>'. |
|
&mt('None of the selected students have attempted the problem').'</b></td></tr>'; |
|
} |
|
last; |
|
} |
|
my $concept_graph=''; |
|
if ($num_concepts > 1) { |
|
# |
|
# Create concept plot |
|
my @concept_plot_data; |
|
for (my $j=0;$j<=$#concept_data;$j++) { |
|
my $total = $concept_data[$j]->[$try]->{'_total'}; |
|
if ($total == 0) { |
|
$concept_plot_data[$j] = 0; |
|
} else { |
|
$concept_plot_data[$j] = 100 * |
|
sprintf('%0.3f', |
|
$concept_data[$j]->[$try]->{'_correct'} / |
|
$total); |
} |
} |
} |
} |
|
# |
|
$concept_graph = &Apache::loncommon::DrawBarGraph |
|
('Correct Concepts','Concept Number','Percent Correct', |
|
100,$plotcolors,undef,\@concept_plot_data,{xskip=>1}); |
} |
} |
} |
# |
|
# Create Foil Plots |
return; |
my $data_count = $response_data{'_total'}->[$try]; |
|
my $correct = $response_data{'_correct'}->[$try]; |
|
if (! defined($correct)) { $correct = 0; } |
|
my @Datasets; |
|
foreach my $option ('_correct',@{$ORdata->{'_Options'}}) { |
|
next if (! exists($foil_plot[$try]->{$option})); |
|
push(@Datasets,$foil_plot[$try]->{$option}); |
|
} |
|
# |
|
# Put a blank in the data set between concepts |
|
for (my $set =0;$set<=$#Datasets;$set++) { |
|
my @Data = @{$Datasets[$set]}; |
|
my $idx = 0; |
|
foreach my $concept (@{$Concepts}) { |
|
foreach my $foilid (@{$concept->{'foils'}}) { |
|
$Datasets[$set]->[$idx++]=shift(@Data); |
|
} |
|
if ($concept->{'name'} ne $Concepts->[-1]->{'name'}) { |
|
$Datasets[$set]->[$idx++] = 0; |
|
} |
|
} |
|
} |
|
# |
|
# Set up the labels needed for the bar graph |
|
my @Labels; |
|
my $idx = 1; |
|
foreach my $concept (@{$Concepts}) { |
|
foreach my $foilid (@{$concept->{'foils'}}) { |
|
push(@Labels,$idx++); |
|
} |
|
push(@Labels,''); |
|
} |
|
# |
|
my $correct_graph = &Apache::loncommon::DrawBarGraph |
|
('Correct Statements','Statement','% Answered Correct', |
|
100,$plotcolors,\@Labels,$Datasets[0],{xskip=>1}); |
|
|
|
# |
|
# |
|
next if (! defined($Datasets[0])); |
|
for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) { |
|
$Datasets[0]->[$i]=0; |
|
} |
|
my $count = $response_data{'_total'}->[$try] - |
|
$response_data{'_correct'}->[$try]; |
|
my $incorrect_graph = &Apache::loncommon::DrawBarGraph |
|
('Incorrect Statements','Statement','% Chosen Incorrectly', |
|
100,$plotcolors,\@Labels,@Datasets,{xskip=>1}); |
|
$analysis_html.= |
|
'<tr><td colspan="4" align="center">'. |
|
'<font size="+1">'. |
|
&mt('Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect', |
|
$try,$data_count,$correct,$data_count-$correct). |
|
'</font>'.'</td></tr>'.$/. |
|
'<tr>'. |
|
'<td>'.$concept_graph.'</td>'. |
|
'<td>'.$correct_graph.'</td>'. |
|
'<td>'.$incorrect_graph.'</td>'. |
|
'<td>'.$optionkey.'<td>'. |
|
'</tr>'.$/; |
|
} |
|
$analysis_html .= "</table>\n"; |
|
$table .= $analysis_html; |
|
return $table; |
} |
} |
=cut |
|
|
|
|
sub OR_analyze_by_tries { |
|
my ($r,$PerformanceData,$mintries,$maxtries) = @_; |
|
my %Trydata; |
|
$mintries = 1 if (! defined($mintries) || $mintries < 1); |
|
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
|
my @students; |
|
foreach my $row (@$PerformanceData) { |
|
next if (! defined($row)); |
|
my $tries = &get_tries_from_row($row); |
|
my %Row = &Process_OR_Row($row); |
|
next if (! %Row); |
|
my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; |
|
$students[$tries]->{$student_id}++; |
|
while (my ($foilid,$href) = each(%Row)) { |
|
if (! ref($href)) { |
|
$Trydata{$foilid}->[$tries] += $href; |
|
next; |
|
} |
|
while (my ($option,$value) = each(%$href)) { |
|
$Trydata{$foilid}->[$tries]->{$option}+=$value; |
|
} |
|
} |
|
} |
|
for (my $try=$mintries;$try<=$maxtries;$try++) { |
|
$Trydata{'_studentcount'}->[$try] = scalar(keys(%{$students[$try]})); |
|
} |
|
return %Trydata; |
|
} |
|
|
#restore the student submissions and finding the result |
######################################################### |
|
# |
|
# Option Response: Time Analysis |
|
# |
|
######################################################### |
|
sub OR_time_analysis { |
|
my ($performance_data,$ORdata) = @_; |
|
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
my $foilkey = &build_option_index($ORdata); |
|
my $num_concepts = 1; |
|
if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); } |
|
# |
|
if ($num_concepts < 2) { |
|
$table = '<h3>'. |
|
&mt('Not enough data for concept analysis. '. |
|
'Performing Foil Analysis'). |
|
'</h3>'.$table; |
|
} |
|
# |
|
my $num_plots = $ENV{'form.NumPlots'}; |
|
my $num_data = scalar(@$performance_data)-1; |
|
# |
|
my $current_index; |
|
$table .= "<table>\n"; |
|
for (my $i=0;$i<$num_plots;$i++) { |
|
## |
|
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
|
('startdate_'.$i); |
|
my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
|
('enddate_'.$i); |
|
if (! defined($starttime) || ! defined($endtime)) { |
|
my $sec_in_day = 86400; |
|
my $last_sub_time = &get_time_from_row($performance_data->[-1]); |
|
my ($sday,$smon,$syear) = |
|
(localtime($last_sub_time - $sec_in_day*$i))[3..5]; |
|
$starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); |
|
$endtime = $starttime + $sec_in_day; |
|
if ($i == ($num_plots -1 )) { |
|
$starttime = &get_time_from_row($performance_data->[0]); |
|
} |
|
} |
|
$table .= '<tr><td colspan="4" align="center"><font size="+1">'. |
|
&mt('Data from [_1] to [_2]', |
|
&Apache::lonlocal::locallocaltime($starttime), |
|
&Apache::lonlocal::locallocaltime($endtime)). |
|
'</font></td></tr>'.$/; |
|
my $startdateform = &Apache::lonhtmlcommon::date_setter |
|
('Statistics','startdate_'.$i,$starttime); |
|
my $enddateform = &Apache::lonhtmlcommon::date_setter |
|
('Statistics','enddate_'.$i,$endtime); |
|
# |
|
my $begin_index; |
|
my $end_index; |
|
my $j; |
|
while (++$j < scalar(@$performance_data)) { |
|
last if (&get_time_from_row($performance_data->[$j]) |
|
> $starttime); |
|
} |
|
$begin_index = $j; |
|
while ($j < scalar(@$performance_data)) { |
|
if (&get_time_from_row($performance_data->[$j]) > $endtime) { |
|
last; |
|
} else { |
|
$j++; |
|
} |
|
} |
|
$end_index = $j; |
|
## |
|
my ($processed_time_data,$correct,$data_count,$student_count) = |
|
&OR_time_process_data($performance_data,$begin_index,$end_index); |
|
## |
|
$table .= '<tr><td colspan="4" align="center"><font size="+1">'. |
|
&mt('[_1] submissions from [_2] students, [_3] correct, [_4] incorrect', |
|
$data_count,$student_count,$correct,$data_count-$correct). |
|
'</font></td></tr>'.$/; |
|
my $concept_correct_plot = ''; |
|
if ($num_concepts > 1) { |
|
$concept_correct_plot = |
|
&OR_Concept_Time_Analysis($processed_time_data, |
|
$correct,$data_count,$student_count, |
|
$ORdata,$Concepts); |
|
} |
|
my ($foil_correct_plot,$foil_incorrect_plot) = |
|
&OR_Foil_Time_Analysis($processed_time_data, |
|
$correct,$data_count,$student_count, |
|
$ORdata,$Foils,$Concepts); |
|
$table .= '<tr>'. |
|
'<td>'.$concept_correct_plot.'</td>'. |
|
'<td>'.$foil_correct_plot.'</td>'. |
|
'<td>'.$foil_incorrect_plot.'</td>'. |
|
'<td align="left" valign="top">'.$foilkey.'</td></tr>'.$/; |
|
$table .= '<tr><td colspan="4" align="center">'. |
|
&mt('Start time: [_1]',$startdateform).'<br />'. |
|
&mt('End time: [_1]',$enddateform).'</td></tr>'.$/; |
|
$table.= '<tr><td colspan="4"> </td></tr>'.$/; |
|
} |
|
$table .= '</table>'; |
|
# |
|
return $table; |
|
} |
|
|
sub OpStatus { |
sub OR_Foil_Time_Analysis { |
my ($problemID, $student, $ConceptData, $foil_to_concept, |
my ($processed_time_data,$correct,$data_count,$student_count, |
$analyzeData, $cache, $courseID)=@_; |
$ORdata,$Foils,$Concepts) = @_; |
|
if ($data_count <= 0) { |
my $ids = $analyzeData->{'parts'}; |
return ('<h2>'.&mt('There is no data to plot').'</h2>',''); |
my ($uname,$udom)=split(/\:/,$student); |
} |
my $symb = $cache->{$problemID.':problem'}; |
my $analysis_html; |
|
my @plotdata; |
my @True = (); |
my @labels; |
my @False = (); |
foreach my $concept (@{$Concepts}) { |
my $flag=0; |
foreach my $foil (@{$concept->{'foils'}}) { |
my $tries=0; |
push(@labels,scalar(@labels)+1); |
|
my $total = $processed_time_data->{$foil}->{'_total'}; |
foreach my $id (@$ids) { |
if ($total == 0) { |
my ($part, $response) = split(/\./, $id); |
push(@{$plotdata[0]},0); |
my %reshash=&Apache::lonnet::restore($symb,$courseID,$udom,$uname); |
} else { |
if ($reshash{'version'}) { |
push(@{$plotdata[0]}, |
my $tries=0; |
100 * $processed_time_data->{$foil}->{'_correct'} / $total); |
for (my $version=1;$version<=$reshash{'version'};$version++) { |
} |
my $time=$reshash{"$version:timestamp"}; |
my $total_incorrect = $total - $processed_time_data->{$foil}->{'_correct'}; |
foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) { |
for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) { |
if (($key=~/\.(\w+)\.(\w+)\.submission$/)) { |
my $option = $ORdata->{'_Options'}->[$i]; |
my $Id1 = $1; my $Id2 = $2; |
if ($total_incorrect == 0) { |
#check if this is a repeat submission, if so skip it |
push(@{$plotdata[$i+1]},0); |
if ($reshash{"$version:resource.$Id1.previous"}) { next; } |
} else { |
#if no solved this wasn't a real submission, ignore it |
push(@{$plotdata[$i+1]}, |
if (!defined($reshash{"$version:resource.$Id1.solved"})) { |
100 * $processed_time_data->{$foil}->{$option} / $total_incorrect); |
&Apache::lonxml::debug("skipping "); |
} |
next; |
|
} |
|
my $Resp = $reshash{"$version:$key"}; |
|
my %submission=&Apache::lonnet::str2hash($Resp); |
|
foreach (keys %submission) { |
|
my $Ansr = $analyzeData->{"$Id1.$Id2.foil.value.$_"}; |
|
if($submission{$_} eq $Ansr) { |
|
&Decide("true", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} else { |
|
&Decide("false", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} |
|
} |
|
} |
|
} |
|
} |
} |
} |
} |
|
# Put in a blank one |
|
push(@labels,''); |
|
push(@{$plotdata[0]},0); |
|
for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) { |
|
push(@{$plotdata[$i+1]},0); |
|
} |
} |
} |
|
# |
|
# Create the plot |
|
my $correct_plot = &Apache::loncommon::DrawBarGraph('Correct Statements', |
|
'Statement Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
undef, |
|
$plotdata[0], |
|
{xskip=>1}); |
|
for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { |
|
$plotdata[0]->[$j]=0; |
|
} |
|
my $incorrect_plot = |
|
&Apache::loncommon::DrawBarGraph('Incorrect Statements', |
|
'Statement Number', |
|
'Incorrect Option Choice', |
|
100, |
|
$plotcolors, |
|
undef, |
|
@plotdata,{xskip=>1}); |
|
return ($correct_plot,$incorrect_plot); |
|
} |
|
|
return; |
sub OR_Concept_Time_Analysis { |
|
my ($processed_time_data,$correct,$data_count,$student_count, |
|
$ORdata,$Concepts) = @_; |
|
return '' if ($data_count == 0); |
|
# |
|
# Put the data in plottable form |
|
my @plotdata; |
|
foreach my $concept (@$Concepts) { |
|
my ($total,$correct); |
|
foreach my $foil (@{$concept->{'foils'}}) { |
|
$total += $processed_time_data->{$foil}->{'_total'}; |
|
$correct += $processed_time_data->{$foil}->{'_correct'}; |
|
} |
|
if ($total == 0) { |
|
push(@plotdata,0); |
|
} else { |
|
push(@plotdata,100 * $correct / $total); |
|
} |
|
} |
|
# |
|
# Create the plot |
|
return &Apache::loncommon::DrawBarGraph('Correct Concepts', |
|
'Concept Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
undef, |
|
\@plotdata,{xskip=>1}); |
} |
} |
|
|
|
sub OR_time_process_data { |
|
my ($performance_data,$begin_index,$end_index)=@_; |
|
my %processed_time_data; |
|
my %distinct_students; |
|
my ($correct,$data_count); |
|
if (($begin_index == $end_index) && |
|
($end_index != scalar(@$performance_data)-1)) { |
|
return undef; |
|
} |
|
# Be sure we include the last one if we are asked for it. |
|
# That we have to correct here (and not when $end_index is |
|
# given a value) should probably be considered a bug. |
|
if ($end_index == scalar(@$performance_data)-1) { |
|
$end_index++; |
|
} |
|
my $count; |
|
for (my $i=$begin_index;$i<$end_index;$i++) { |
|
my $attempt = $performance_data->[$i]; |
|
$count++; |
|
next if (! defined($attempt)); |
|
my %attempt = &Process_OR_Row($attempt); |
|
$data_count++; |
|
$correct += $attempt{'_correct'}; |
|
$distinct_students{$attempt->[&Apache::loncoursedata::RD_student_id()]}++; |
|
while (my ($foilid,$href) = each(%attempt)) { |
|
if (! ref($href)) { |
|
$processed_time_data{$foilid} += $href; |
|
next; |
|
} |
|
while (my ($option,$value) = each(%$href)) { |
|
$processed_time_data{$foilid}->{$option}+=$value; |
|
} |
|
} |
|
} |
|
return (\%processed_time_data,$correct,$data_count, |
|
scalar(keys(%distinct_students))); |
|
} |
|
|
sub DrawGraph { |
sub build_foil_index { |
my ($k,$Src,$Concepts,$ConceptData)=@_; |
my ($ORdata) = @_; |
my $Max=0; |
return if (! exists($ORdata->{'_Foils'})); |
my @data1; |
my %Foildata = %{$ORdata->{'_Foils'}}; |
my @data2; |
my @Foils = sort(keys(%Foildata)); |
|
my %Concepts; |
# Adjust Data and find the Max |
foreach my $foilid (@Foils) { |
for (my $n=0; $n<(scalar @$Concepts); $n++ ) { |
push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}}, |
my $tmp=$Concepts->[$n]; |
$foilid); |
$data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'}; |
} |
$data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'}; |
undef(@Foils); |
my $Sum=$data1[$n]+$data2[$n]; |
# Having gathered the concept information in a hash, we now translate it |
if($Max < $Sum) { |
# into an array because we need to be consistent about order. |
$Max=$Sum; |
# Also put the foils in order, too. |
} |
my $sortfunction = sub { |
} |
my %Numbers = (one => 1, |
for (my $n=0; $n<(scalar @$Concepts); $n++ ) { |
two => 2, |
if ($data1[$n]+$data2[$n]<$Max) { |
three => 3, |
$data2[$n]+=$Max-($data1[$n]+$data2[$n]); |
four => 4, |
} |
five => 5, |
} |
six => 6, |
my $P_No = (scalar @data1); |
seven => 7, |
|
eight => 8, |
if($Max > 1) { |
nine => 9, |
$Max += (10 - $Max % 10); |
ten => 10,); |
$Max = int($Max); |
my $a1 = lc($a); |
|
my $b1 = lc($b); |
|
if (exists($Numbers{$a1})) { |
|
$a1 = $Numbers{$a1}; |
|
} |
|
if (exists($Numbers{$b1})) { |
|
$b1 = $Numbers{$b1}; |
|
} |
|
if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) { |
|
return $a1 <=> $b1; |
|
} else { |
|
return $a1 cmp $b1; |
|
} |
|
}; |
|
my @Concepts; |
|
foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
|
if (! defined($Concepts{$concept})) { |
|
$Concepts{$concept}=[]; |
|
# next; |
|
} |
|
push(@Concepts,{ name => $concept, |
|
foils => [@{$Concepts{$concept}}]}); |
|
push(@Foils,(@{$Concepts{$concept}})); |
|
} |
|
# |
|
# Build up the table of row labels. |
|
my $table = '<table border="1" >'."\n"; |
|
if (@Concepts > 1) { |
|
$table .= '<tr>'. |
|
'<th>'.&mt('Concept Number').'</th>'. |
|
'<th>'.&mt('Concept').'</th>'. |
|
'<th>'.&mt('Foil Number').'</th>'. |
|
'<th>'.&mt('Foil Name').'</th>'. |
|
'<th>'.&mt('Foil Text').'</th>'. |
|
'<th>'.&mt('Correct Value').'</th>'. |
|
"</tr>\n"; |
} else { |
} else { |
$Max = 1; |
$table .= '<tr>'. |
|
'<th>'.&mt('Foil Number').'</th>'. |
|
'<th>'.&mt('Foil Name').'</th>'. |
|
'<th>'.&mt('Foil Text').'</th>'. |
|
'<th>'.&mt('Correct Value').'</th>'. |
|
"</tr>\n"; |
|
} |
|
my $conceptindex = 1; |
|
my $foilindex = 1; |
|
foreach my $concept (@Concepts) { |
|
my @FoilsInConcept = @{$concept->{'foils'}}; |
|
my $firstfoil = shift(@FoilsInConcept); |
|
if (@Concepts > 1) { |
|
$table .= '<tr>'. |
|
'<td>'.$conceptindex.'</td>'. |
|
'<td>'.&HTML::Entities::encode($concept->{'name'},'<>&"').'</td>'. |
|
'<td>'.$foilindex++.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'. |
|
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'. |
|
"</tr>\n"; |
|
} else { |
|
$table .= '<tr>'. |
|
'<td>'.$foilindex++.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'. |
|
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'. |
|
"</tr>\n"; |
|
} |
|
foreach my $foilid (@FoilsInConcept) { |
|
if (@Concepts > 1) { |
|
$table .= '<tr>'. |
|
'<td></td>'. |
|
'<td></td>'. |
|
'<td>'.$foilindex.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'. |
|
'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'. |
|
"</tr>\n"; |
|
} else { |
|
$table .= '<tr>'. |
|
'<td>'.$foilindex.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'. |
|
'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
|
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'. |
|
"</tr>\n"; |
|
} |
|
} continue { |
|
$foilindex++; |
|
} |
|
} continue { |
|
$conceptindex++; |
} |
} |
|
$table .= "</table>\n"; |
|
# |
|
# Build option index with color stuff |
|
return ($table,\@Foils,\@Concepts); |
|
} |
|
|
|
sub build_option_index { |
|
my ($ORdata)= @_; |
|
my $table = "<table>\n"; |
|
my $optionindex = 0; |
|
my @Rows; |
|
foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) { |
|
my $color = $plotcolors->[$optionindex++]; |
|
push (@Rows, |
|
'<tr>'. |
|
'<td bgcolor="'.$color.'">'. |
|
'<font color="'.$color.'">'.('*'x3).'</font>'.'</td>'. |
|
'<td>'.&HTML::Entities::encode($option,'<>&"').'</td>'. |
|
"</tr>\n"); |
|
} |
|
shift(@Rows); # Throw away 'correct option chosen' color |
|
$table .= join('',reverse(@Rows)); |
|
$table .= "</table>\n"; |
|
} |
|
|
|
sub build_foil_key { |
|
my ($foils,$extra_data)= @_; |
|
if (! defined($extra_data)) { $extra_data = {}; } |
|
my $table = "<table>\n"; |
|
my $foil_index = 0; |
|
my @rows; |
|
foreach my $foil (&mt('correct foil chosen'),@{$foils}) { |
|
my $color = $plotcolors->[$foil_index++]; |
|
push (@rows, |
|
'<tr>'. |
|
'<td bgcolor="'.$color.'" class="key">'. |
|
'<font color="'.$color.'">'.('*'x4).'</font></td>'. |
|
'<td>'.&HTML::Entities::encode($foil,'<>&"'). |
|
(' 'x2).$extra_data->{$foil}.'</td>'. |
|
"</tr>\n"); |
|
} |
|
shift(@rows); # Throw away 'correct foil chosen' color |
|
$table .= join('',reverse(@rows)); |
|
$table .= "</table>\n"; |
|
} |
|
|
my $Titr=($ConceptData->{'Interval'}>1) ? $Src.'_interval_'.($k+1) : $Src; |
######################################################### |
# $GData=$Titr.'&Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2; |
######################################################### |
my $GData = ''; |
## |
$GData = $Titr.'&Concepts&Answers&'.$Max.'&'.$P_No.'&'; |
## Generic Interface Routines |
$GData .= (join(',',@data1)).'&'.(join(',',@data2)); |
## |
|
######################################################### |
return '<IMG src="/cgi-bin/graph.png?'.$GData.'" border=1/>'; |
######################################################### |
} |
sub CreateInterface { |
|
## |
sub DrawTable { |
## Environment variable initialization |
my ($k,$Concepts,$ConceptData)=@_; |
if (! exists$ENV{'form.AnalyzeOver'}) { |
my $Max=0; |
$ENV{'form.AnalyzeOver'} = 'tries'; |
my @data1; |
|
my @data2; |
|
my $Correct=0; |
|
my $Wrong=0; |
|
for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
|
my $tmp=$Concepts->[$n]; |
|
$data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'}; |
|
$Correct+=$data1[$n]; |
|
$data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'}; |
|
$Wrong+=$data2[$n]; |
|
my $Sum=$data1[$n]+$data2[$n]; |
|
if($Max < $Sum) { |
|
$Max=$Sum; |
|
} |
|
} |
|
for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
|
if ($data1[$n]+$data2[$n]<$Max) { |
|
$data2[$n]+=$Max-($data1[$n]+$data2[$n]); |
|
} |
|
} |
} |
my $P_No = (scalar @data1); |
## |
|
## Build the menu |
my $Str = ''; |
my $Str = ''; |
# $Str .= '<br><b>From: ['.localtime($ConceptData->{'Int.'.($k-1)}); |
$Str .= &Apache::lonhtmlcommon::breadcrumbs |
# $Str .= '] To: ['.localtime($ConceptData->{"Int.$k"}).']</b>'; |
(undef,'Detailed Problem Analysis'); |
$Str .= "\n".'<table border=2>'. |
$Str .= '<table cellspacing="5">'."\n"; |
"\n".'<tr>'. |
$Str .= '<tr>'; |
"\n".'<th> # </th>'. |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
"\n".'<th> Concept </th>'. |
$Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; |
"\n".'<th> Correct </th>'. |
$Str .= '<td align="center"> </td>'; |
"\n".'<th> Wrong </th>'. |
$Str .= '</tr>'."\n"; |
"\n".'</tr>'; |
## |
|
## |
for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
$Str .= '<tr><td align="center">'."\n"; |
$Str .= '<tr>'."\n"; |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Str .= '<td>'.($n+1).'</td>'."\n"; |
$Str .= '</td>'; |
my ($currentConcept) = split('::',$Concepts->[$n]); |
# |
$Str .= '<td bgcolor="EEFFCC">'.$currentConcept; |
$Str .= '<td align="center">'; |
$Str .= '</td>'."\n"; |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= '<td bgcolor="DDFFDD">'.$data1[$n].'</td>'."\n"; |
$Str .= '</td>'; |
$Str .= '<td bgcolor="FFDDDD">'.$data2[$n].'</td>'."\n"; |
# |
$Str .= '</tr>'."\n"; |
## |
} |
## |
$Str .= '<td></td><td><b>From:['.localtime($ConceptData->{'Int.'.$k}); |
$Str .= '<td>'; |
$Str .= '] To: ['.localtime($ConceptData->{'Int.'.($k+1)}-1); |
## |
$Str .= ']</b></td><td>'.$Correct.'</td><td>'.$Wrong.'</td>'; |
my $showprob_checkbox = |
|
'<input type="checkbox" name="show_prob" value="true" '; |
|
if ($ENV{'form.show_prob'} eq 'true') { |
|
$showprob_checkbox .= 'checked '; |
|
} |
|
$showprob_checkbox.= ' />'; |
|
$Str.= '<nobr><label>'. |
|
&mt('Show problem [_1]',$showprob_checkbox). |
|
'</label></nobr><br />'; |
|
## |
|
my $analyze_selector = '<select name="AnalyzeOver" >'; |
|
$analyze_selector .= '<option value="tries" '; |
|
if (! exists($ENV{'form.AnalyzeOver'}) || |
|
$ENV{'form.AnalyzeOver'} eq 'tries'){ |
|
# Default to tries |
|
$analyze_selector .= ' selected '; |
|
} |
|
$analyze_selector .= '>'.&mt('Tries').'</option>'; |
|
$analyze_selector .= '<option value="time" '; |
|
$analyze_selector .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'time'); |
|
$analyze_selector .= '>'.&mt('Time').'</option>'; |
|
$analyze_selector .= '</select>'; |
|
$Str .= '<nobr><label>'. |
|
&mt('Analyze Over [_1] [_2]', |
|
$analyze_selector, |
|
&Apache::loncommon::help_open_topic('Analysis_Analyze_Over')). |
|
'</label></nobr><br />'.$/; |
|
## |
|
my $numplots_selector = '<select name="NumPlots">'; |
|
if (! exists($ENV{'form.NumPlots'}) |
|
|| $ENV{'form.NumPlots'} < 1 |
|
|| $ENV{'form.NumPlots'} > 20) { |
|
$ENV{'form.NumPlots'} = 5; |
|
} |
|
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
|
$numplots_selector .= '<option value="'.$i.'" '; |
|
if ($ENV{'form.NumPlots'} == $i) { $numplots_selector.=' selected '; } |
|
$numplots_selector .= '>'.$i.'</option>'; |
|
} |
|
$numplots_selector .= '</select></nobr><br />'; |
|
$Str .= '<nobr><label>'.&mt('Number of Plots [_1]',$numplots_selector). |
|
'</label></nobr>'; |
|
## |
|
$Str .= '<nobr><label>'.&mt('Status: [_1]', |
|
'<input type="text" '. |
|
'name="stats_status" size="60" value="" />' |
|
). |
|
'</label></nobr>'; |
|
$Str .= '</td>'; |
|
## |
|
## |
|
$Str .= '</tr>'."\n"; |
$Str .= '</table>'."\n"; |
$Str .= '</table>'."\n"; |
|
|
return $Str; |
return $Str; |
#$Apache::lonxml::debug=1; |
} |
#&Apache::lonhomework::showhash(%ConceptData); |
|
#$Apache::lonxml::debug=0; |
|
} |
|
|
|
#---- END Analyze Web Page ---------------------------------------------- |
|
|
|
sub Decide { |
|
#deciding the true or false answer belongs to each interval |
|
my ($type,$concept,$time,$ConceptData)=@_; |
|
my $k=0; |
|
while($time > $ConceptData->{'Int.'.($k+1)} && |
|
$k < $ConceptData->{'Interval'}) { |
|
$k++; |
|
} |
|
$ConceptData->{$concept.'.'.$k.'.'.$type}++; |
|
|
|
return; |
######################################################### |
|
######################################################### |
|
## |
|
## Misc Option Response functions |
|
## |
|
######################################################### |
|
######################################################### |
|
sub get_time_from_row { |
|
my ($row) = @_; |
|
if (ref($row)) { |
|
return $row->[&Apache::loncoursedata::RD_timestamp()]; |
|
} |
|
return undef; |
} |
} |
|
|
sub InitAnalysis { |
sub get_tries_from_row { |
my ($uri,$part,$responseId,$problem,$student,$courseID)=@_; |
my ($row) = @_; |
my ($name,$domain)=split(/\:/,$student); |
if (ref($row)) { |
|
return $row->[&Apache::loncoursedata::RD_tries()]; |
my %analyzeData; |
|
# Render the student's view of the problem. $Answ is the problem |
|
# Stringafied |
|
my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze', |
|
'grade_username' => $name, |
|
'grade_domain' => $domain, |
|
'grade_courseid' => $courseID, |
|
'grade_symb' => $problem)); |
|
my ($Answer)=&Apache::lonnet::str2hashref($Answ); |
|
|
|
my $found = 0; |
|
my @parts=(); |
|
if(defined($responseId)) { |
|
foreach (@{$Answer->{'parts'}}) { |
|
if($_ eq $part.'.'.$responseId) { |
|
push(@parts, $_); |
|
$found = 1; |
|
last; |
|
} |
|
} |
|
} else { |
|
foreach (@{$Answer->{'parts'}}) { |
|
if($_ =~ /$part/) { |
|
push(@parts, $_); |
|
$found = 1; |
|
last; |
|
} |
|
} |
|
} |
} |
|
return undef; |
|
} |
|
|
if($found == 0) { |
sub hashify_attempt { |
$analyzeData{'error'} = 'No parts matching selected values'; |
my ($row) = @_; |
return \%analyzeData; |
my %attempt; |
} |
$attempt{'student'} = $row->[&Apache::loncoursedata::RD_sname()]; |
|
$attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()]; |
my @Concepts=(); |
$attempt{'submission'} = &Apache::lonnet::unescape($row->[&Apache::loncoursedata::RD_submission()]); |
my %foil_to_concept; |
$attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()]; |
foreach my $currentPart (@parts) { |
$attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()]; |
if(defined($Answer->{$currentPart.'.concepts'})) { |
return %attempt; |
foreach my $concept (@{$Answer->{$currentPart.'.concepts'}}) { |
} |
push(@Concepts, $concept); |
|
foreach my $foil (@{$Answer->{$currentPart.'.concept.'. |
sub Process_OR_Row { |
$concept}}) { |
my ($row) = @_; |
$analyzeData{$currentPart.'.foil.value.'.$foil} = |
my %RowData; |
$Answer->{$currentPart.'.foil.value.'.$foil}; |
# my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; |
$foil_to_concept{$foil} = $concept; |
my $award = $row->[&Apache::loncoursedata::RD_awarddetail()]; |
} |
my $grading = $row->[&Apache::loncoursedata::RD_response_eval()]; |
} |
my $submission = $row->[&Apache::loncoursedata::RD_submission()]; |
|
my $time = $row->[&Apache::loncoursedata::RD_timestamp()]; |
|
# my $tries = $row->[&Apache::loncoursedata::RD_tries()]; |
|
return undef if ($award eq 'MISSING_ANSWER'); |
|
if (&submission_is_correct($award)) { |
|
$RowData{'_correct'} = 1; |
|
} |
|
$RowData{'_total'} = 1; |
|
my @Foilgrades = split('&',$grading); |
|
my @Foilsubs = split('&',$submission); |
|
for (my $j=0;$j<=$#Foilgrades;$j++) { |
|
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
|
$foilid = &Apache::lonnet::unescape($foilid); |
|
my (undef,$submission) = split('=',$Foilsubs[$j]); |
|
if ($correct) { |
|
$RowData{$foilid}->{'_correct'}++; |
} else { |
} else { |
foreach (keys(%$Answer)) { |
$submission = &Apache::lonnet::unescape($submission); |
if(/$currentPart.foil\.value\.(.*)$/) { |
$RowData{$foilid}->{$submission}++; |
push(@Concepts, $1); |
|
$foil_to_concept{$1} = $1; |
|
$analyzeData{$currentPart.'.foil.value.'.$1} = |
|
$Answer->{$currentPart.'.foil.value.'.$1}; |
|
} |
|
} |
|
} |
} |
|
$RowData{$foilid}->{'_total'}++; |
} |
} |
|
return %RowData; |
|
} |
|
|
$analyzeData{'parts'} = \@parts; |
sub submission_is_correct { |
$analyzeData{'concepts'} = \@Concepts; |
my ($award) = @_; |
$analyzeData{'foil_to_concept'} = \%foil_to_concept; |
if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { |
|
return 1; |
return \%analyzeData; |
} else { |
} |
return 0; |
|
|
sub Interval { |
|
my ($part,$symb,$interval,$Concepts,$ConceptData)=@_; |
|
my $Int=$interval; |
|
my $due = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb); |
|
my $opn = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb); |
|
my $add=int(($due-$opn)/$Int); |
|
$ConceptData->{'Int.0'}=$opn; |
|
for(my $i=1; $i<$Int; $i++) { |
|
$ConceptData->{'Int.'.$i}=$opn+$i*$add; |
|
} |
|
$ConceptData->{'Int.'.$Int}=$due; |
|
for(my $i=0; $i<$Int; $i++) { |
|
for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
|
my $tmp=$Concepts->[$n]; |
|
$ConceptData->{$tmp.'.'.$i.'.true'}=0; |
|
$ConceptData->{$tmp.'.'.$i.'.false'}=0; |
|
} |
|
} |
} |
} |
} |
|
|
1; |
1; |
|
|
__END__ |
__END__ |