version 1.33, 2003/10/13 19:17:42
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version 1.102, 2004/11/02 20:45:41
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Line 1
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
# |
|
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# $Id$ |
# $Id$ |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
Line 25
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Line 24
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
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package Apache::lonproblemanalysis; |
package Apache::lonproblemanalysis; |
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use strict; |
use strict; |
Line 35 use Apache::lonhtmlcommon();
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Line 33 use Apache::lonhtmlcommon();
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use Apache::loncoursedata(); |
use Apache::loncoursedata(); |
use Apache::lonstatistics; |
use Apache::lonstatistics; |
use Apache::lonlocal; |
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 Spreadsheet::WriteExcel(); |
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my $plotcolors = ['#33ff00', |
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'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
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'#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
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]; |
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my @SubmitButtons = ({ name => 'PrevProblemAnalysis', |
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text => 'Previous Problem' }, |
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{ name => 'ProblemAnalysis', |
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text => 'Analyze Problem Again' }, |
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{ name => 'NextProblemAnalysis', |
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text => 'Next Problem' }, |
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{ name => 'break'}, |
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{ name => 'SelectAnother', |
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text => 'Choose a different Problem' }, |
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{ name => 'ExcelOutput', |
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text => 'Produce Excel Output' }); |
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sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
$r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); |
# |
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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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# |
$r->print(&CreateInterface()); |
$r->print(&CreateInterface()); |
# |
# |
my @Students = @Apache::lonstatistics::Students; |
my @Students = @Apache::lonstatistics::Students; |
# |
# |
if (exists($ENV{'form.updatecaches'}) || |
if (@Students < 1 && exists($ENV{'form.firstrun'})) { |
(exists($ENV{'form.firstanalysis'}) && |
$r->print('<h2>There are no students in the sections selected</h2>'); |
$ENV{'form.firstanalysis'} ne 'no')) { |
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&Apache::lonstatistics::Gather_Full_Student_Data($r); |
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} |
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if (! exists($ENV{'form.firstanalysis'})) { |
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$r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
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} else { |
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$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
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} |
} |
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# |
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my @CacheButtonHTML = |
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&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
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$r->rflush(); |
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# |
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# Support for numerical and radio response isn't complete enough to |
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# include in 1.2 release. |
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# my $problem_types = '(option|radiobutton|numerical)'; |
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my $problem_types = '.';#(option)'; |
if (exists($ENV{'form.problemchoice'}) && |
if (exists($ENV{'form.problemchoice'}) && |
! exists($ENV{'form.SelectAnother'})) { |
! exists($ENV{'form.SelectAnother'})) { |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
foreach my $button (@SubmitButtons) { |
&mt('Analyze Problem Again').'" />'); |
if ($button->{'name'} eq 'break') { |
$r->print(' 'x5); |
$r->print("<br />\n"); |
$r->print('<input type="submit" name="ClearCache" value="'. |
} else { |
&mt('Clear Caches').'" />'); |
$r->print('<input type="submit" name="'.$button->{'name'}.'" '. |
$r->print(' 'x5); |
'value="'.&mt($button->{'text'}).'" />'); |
$r->print('<input type="submit" name="updatecaches" value="'. |
$r->print(' 'x5); |
&mt('Update Student Data').'" />'); |
} |
$r->print(' 'x5); |
} |
$r->print('<input type="hidden" name="problemchoice" value="'. |
foreach my $html (@CacheButtonHTML) { |
$ENV{'form.problemchoice'}.'" />'); |
$r->print($html.(' 'x5)); |
$r->print('<input type="submit" name="SelectAnother" value="'. |
} |
&mt('Choose a different resource').'" />'); |
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$r->print(' 'x5); |
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# |
# |
$r->print('<hr />'); |
$r->print('<hr />'); |
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$r->rflush(); |
# |
# |
my ($symb,$part,$resid) = &get_problem_symb( |
# Determine which problem we are to analyze |
&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
my $current_problem = &Apache::lonstathelpers::get_target_from_id |
); |
($ENV{'form.problemchoice'}); |
# |
# |
my $resource = &get_resource_from_symb($symb); |
my ($prev,$curr,$next) = |
if (defined($resource)) { |
&Apache::lonstathelpers::get_prev_curr_next($current_problem, |
my %Data = &get_problem_data($resource->{'src'}); |
$problem_types, |
my $ORdata = $Data{$part.'.'.$resid}; |
'response', |
## |
); |
## Render the problem |
if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { |
my $base; |
$current_problem = $prev; |
($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|); |
} elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) { |
$base = "http://".$ENV{'SERVER_NAME'}.$base; |
$current_problem = $next; |
my $rendered_problem = |
} else { |
&Apache::lonnet::ssi_body($resource->{'src'}); |
$current_problem = $curr; |
$rendered_problem =~ s/<\s*form\s*/<nop /g; |
} |
$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
# |
$r->print('<table bgcolor="ffffff"><tr><td>'. |
# Store the current problem choice and send it out in the form |
'<base href="'.$base.'" />'. |
$ENV{'form.problemchoice'} = |
$rendered_problem. |
&Apache::lonstathelpers::make_target_id($current_problem); |
'</td></tr></table>'); |
$r->print('<input type="hidden" name="problemchoice" value="'. |
## |
$ENV{'form.problemchoice'}.'" />'); |
## Analyze the problem |
# |
my $PerformanceData = |
if (! defined($current_problem->{'resource'})) { |
&Apache::loncoursedata::get_optionresponse_data |
$r->print('resource is undefined'); |
(\@Students,$symb,$resid); |
} else { |
if (defined($PerformanceData) && |
my $resource = $current_problem->{'resource'}; |
ref($PerformanceData) eq 'ARRAY') { |
$r->print('<h1>'.$resource->{'title'}.'</h1>'); |
if ($ENV{'form.AnalyzeBy'} eq 'Tries') { |
$r->print('<h3>'.$resource->{'src'}.'</h3>'); |
my $analysis_html = &tries_analysis($PerformanceData, |
if ($ENV{'form.show_prob'} eq 'true') { |
$ORdata); |
$r->print(&Apache::lonstathelpers::render_resource($resource)); |
$r->print($analysis_html); |
} |
} elsif ($ENV{'form.AnalyzeBy'} eq 'Time') { |
$r->rflush(); |
my $analysis_html = &time_analysis($PerformanceData, |
my %Data = &Apache::lonstathelpers::get_problem_data |
$ORdata); |
($resource->{'src'}); |
$r->print($analysis_html); |
my $problem_data = $Data{$current_problem->{'part'}. |
} else { |
'.'. |
$r->print('<h2>'. |
$current_problem->{'respid'}}; |
&mt('The analysis you have selected is '. |
if ($current_problem->{'resptype'} eq 'option') { |
'not supported at this time'). |
&OptionResponseAnalysis($r,$current_problem, |
'</h2>'); |
$problem_data, |
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\@Students); |
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} elsif ($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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## |
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## analyze all responses of a problem at once |
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my $res = $current_problem->{'resource'}; |
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foreach my $partid (@{$res->{'parts'}}) { |
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$current_problem->{'part'} = $partid; |
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foreach my $respid (@{$res->{'partdata'}->{$partid}->{'ResponseIds'}}) { |
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$current_problem->{'respid'}=$respid; |
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&NumericalResponseAnalysis($r,$current_problem, |
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$problem_data,\@Students); |
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} |
} |
} |
} else { |
} else { |
$r->print('<h2>'. |
$r->print('<h2>Analysis of '.$current_problem->{'resptype'}.' is not supported</h2>'); |
&mt('There is no student data for this problem.'). |
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'</h2>'); |
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} |
} |
} else { |
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$r->print('resource is undefined'); |
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} |
} |
$r->print('<hr />'); |
$r->print('<hr />'); |
} else { |
} else { |
Line 128 sub BuildProblemAnalysisPage {
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Line 173 sub BuildProblemAnalysisPage {
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&mt('Analyze Problem').'" />'); |
&mt('Analyze Problem').'" />'); |
$r->print(' 'x5); |
$r->print(' 'x5); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
$r->print(&OptionResponseProblemSelector()); |
$r->print(&Apache::lonstathelpers::ProblemSelector |
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($problem_types)); |
} |
} |
} |
} |
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Line 136 sub BuildProblemAnalysisPage {
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Line 182 sub BuildProblemAnalysisPage {
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######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
## Misc interface routines use by analysis code |
## Numerical Response Routines |
## |
## |
######################################################### |
######################################################### |
######################################################### |
######################################################### |
sub build_foil_index { |
sub NumericalResponseAnalysis { |
my ($ORdata) = @_; |
my ($r,$problem,$problem_data,$Students) = @_; |
my @Foils = sort(keys(%{$ORdata->{'Foiltext'}})); |
my $c = $r->connection(); |
my %Row_Label; |
my ($resource,$partid,$respid) = ($problem->{'resource'}, |
foreach my $foilid (@Foils) { |
$problem->{'part'}, |
my $value = $ORdata->{'Foiltext'}->{$foilid}; |
$problem->{'respid'}); |
$Row_Label{$foilid} = $ORdata->{'Foiltext'}->{$foilid}; |
# |
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if (scalar(@{$resource->{'parts'}})>1) { |
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if (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) { |
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$r->print('<h3>'. |
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&mt('Part [_1], response [_2].',$partid,$respid). |
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'</h3>'); |
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} else { |
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$r->print('<h3>'. |
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&mt('Part [_1]',$partid,$respid). |
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'</h3>'); |
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} |
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} elsif (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) { |
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$r->print('<h3>'.&mt('Response [_1]',$respid).'</h3>'); |
} |
} |
# |
# |
# Build up the table of row labels. |
my $analysis_html; |
my $table = '<table border="1" >'."\n"; |
my $PerformanceData = &Apache::loncoursedata::get_response_data |
$table .= '<tr><th>'.&mt('Foil Number').'</th>'. |
(\@Apache::lonstatistics::SelectedSections, |
'<th>'.&mt('Foil Text')."</th></tr>\n"; |
$Apache::lonstatistics::enrollment_status, |
my $index = 1; |
$resource->{'symb'},$respid); |
foreach my $foilid (@Foils) { |
if (! defined($PerformanceData) || |
$table .= '<tr><td>'.$index.'</td>'. |
ref($PerformanceData) ne 'ARRAY' ) { |
'<td>'.$Row_Label{$foilid}."</td></tr>\n"; |
$analysis_html = '<h2>'. |
} continue { |
&mt('There is no submission data for this resource'). |
$index++; |
'</h2>'; |
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$r->print($analysis_html); |
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return; |
} |
} |
$table .= "</table>\n"; |
# |
return ($table,@Foils); |
# This next call causes all the waiting around that people complain about |
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&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students, |
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'Statistics', |
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'stats_status'); |
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return if ($c->aborted()); |
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# |
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# Collate the data |
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my %Data; |
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foreach my $student (@$Students) { |
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my $answer = $student->{'answer'}; |
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$Data{$answer}++; |
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} |
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my @Labels = sort {$a <=> $b } keys(%Data); |
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my @PlotData = @Data{@Labels}; |
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# |
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my $width = 500; |
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my $height = 100; |
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my $plot = &one_dimensional_plot($r,500,100,scalar(@$Students), |
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\@Labels,\@PlotData); |
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$r->print($plot); |
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return; |
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} |
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sub one_dimensional_plot { |
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my ($r,$width,$height,$N,$Labels,$Data)=@_; |
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# |
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# Compute data -> image scaling factors |
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my $min = $Labels->[0]; |
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my $max = $Labels->[-1]; |
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if ($max == $min) { |
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$max =$min+1; |
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} |
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my $h_scale = ($width-10)/($max-$min); |
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# |
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my $max_y = 0; |
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foreach (@$Data) { |
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$max_y = $_ if ($max_y < $_); |
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} |
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my $ticscale = 5; |
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if ($max_y * $ticscale > $height/2) { |
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$ticscale = int($height/2/$max_y); |
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$ticscale = 1 if ($ticscale < 1); |
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} |
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# |
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# Create the plot |
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my $plot = |
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qq{<drawimage width="$width" height="$height" bgcolor="transparent" >}; |
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for (my $idx=0;$idx<scalar(@$Labels);$idx++) { |
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my $xloc = 5+$h_scale*($Labels->[$idx] - $min); |
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my $top = $height/2-$Data->[$idx]*$ticscale; |
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my $bottom = $height/2+$Data->[$idx]*$ticscale; |
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$plot .= |
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&line($xloc,$top,$xloc,$bottom,'888888',1); |
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} |
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# |
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# Put the scale on last to ensure it is on top of the data. |
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if ($min < 0 && $max > 0) { |
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my $circle_x = 5+$h_scale*abs($min); # '0' in data coordinates |
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my $r = 4; |
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$plot .= &line(5,$height/2,$circle_x-$r,$height/2,'000000',1); |
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$plot .= &circle($circle_x,$height/2,$r+1,'000000'); |
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$plot .= &line($circle_x+$r,$height/2,$width-5,$height/2,'000000',1); |
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} else { |
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$plot .= &line(5,$height/2,$width-5,$height/2,'000000',1); |
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} |
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$plot .= '</drawimage>'; |
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my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); |
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my $title = 'Distribution of correct answers'; |
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my $result = '<table>'. |
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'<tr><td colspan="3" align="center">'. |
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'<font size="+2">'.$title.' (N='.$N.')'. |
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'</font>'. |
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'</td></tr>'. |
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'<tr>'. |
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'<td valign="center">'.$min.'</td>'. |
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'<td>'.$plotresult.'</td>'. |
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'<td valign="center">'.$max.'</td>'. |
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'</tr>'. |
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'<tr><td colspan="3" align="center">'. |
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'Maximum Number of Coinciding Values: '.$max_y. |
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'</td></tr>'. |
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'</table>'; |
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return $result; |
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} |
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## |
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## Helper subroutines for <drawimage>. |
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## These should probably go somewhere more suitable soon. |
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sub line { |
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my ($x1,$y1,$x2,$y2,$color,$thickness) = @_; |
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return qq{<line x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" />$/}; |
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} |
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sub text { |
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my ($x,$y,$color,$text,$font,$direction) = @_; |
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if (! defined($font) || $font !~ /^(tiny|small|medium|large|giant)$/) { |
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$font = 'medium'; |
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} |
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if (! defined($direction) || $direction ne 'vertical') { |
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$direction = ''; |
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} |
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return qq{<text x="$x" y="$y" color="$color" font="$font" direction="$direction" >$text</text>}; |
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} |
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sub rectangle { |
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my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_; |
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return qq{<rectangle x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" filled="$filled" />}; |
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} |
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sub arc { |
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my ($x,$y,$width,$height,$start,$end,$color,$thickness,$filled)=@_; |
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return qq{<arc x="$x" y="$y" width="$width" height="$height" start="$start" end="$end" color="$color" thickness="$thickness" filled="$filled" />}; |
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} |
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sub circle { |
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my ($x,$y,$radius,$color,$thickness,$filled)=@_; |
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return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); |
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} |
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sub build_student_data_worksheet { |
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my ($workbook,$format) = @_; |
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my $rows_output = 3; |
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my $cols_output = 0; |
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my $worksheet = $workbook->addworksheet('Student Data'); |
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$worksheet->write($rows_output++,0,'Student Data',$format->{'h3'}); |
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my @Headers = ('full name','username','domain','section', |
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"student\nnumber",'identifier'); |
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$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
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my @Students = @Apache::lonstatistics::Students; |
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my $studentrows = &Apache::loncoursedata::get_student_data(\@Students); |
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my %ids; |
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foreach my $row (@$studentrows) { |
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my ($mysqlid,$student) = @$row; |
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$ids{$student}=$mysqlid; |
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} |
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foreach my $student (@Students) { |
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my $name_domain = $student->{'username'}.':'.$student->{'domain'}; |
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$worksheet->write_row($rows_output++,0, |
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[$student->{'fullname'}, |
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$student->{'username'},$student->{'domain'}, |
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$student->{'section'},$student->{'id'}, |
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$ids{$name_domain}]); |
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} |
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return $worksheet; |
} |
} |
|
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######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
## Tries Analysis |
## Radio Response Routines |
## |
## |
######################################################### |
######################################################### |
######################################################### |
######################################################### |
sub tries_analysis { |
sub radio_response_analysis { |
my ($PerformanceData,$ORdata) = @_; |
my ($r,$problem,$problem_analysis,$students) = @_; |
my $mintries = 1; |
# |
my $maxtries = $ENV{'form.NumPlots'}; |
if ($ENV{'form.AnalyzeOver'} !~ /^(tries|time)$/) { |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
$r->print('Bad request'); |
$mintries,$maxtries); |
} |
my ($table,@Foils) = &build_foil_index($ORdata); |
# |
# |
my ($resource,$partid,$respid) = ($problem->{'resource'}, |
# Compute the data neccessary to make the plots |
$problem->{'part'}, |
my @PlotData; |
$problem->{'respid'}); |
my @CumulativePlotData; |
# |
foreach my $foilid (@Foils) { |
my $analysis_html; |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $foildata = $problem_analysis->{'_Foils'}; |
# |
my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); |
# Gather the per-attempt data |
# |
push (@{$PlotData[$i]->{'good'}}, |
my %true_foils; |
$ResponseData{$foilid}->[$i]->{'percent_corr'}); |
my $num_true = 0; |
push (@{$PlotData[$i]->{'bad'}}, |
if (! $problem_analysis->{'answercomputed'}) { |
100-$ResponseData{$foilid}->[$i]->{'percent_corr'}); |
foreach my $foil (@$foils) { |
|
if ($foildata->{$foil}->{'value'} eq 'true') { |
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$true_foils{$foil}++; |
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} |
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} |
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$num_true = scalar(keys(%true_foils)); |
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} |
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# |
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$analysis_html .= $table; |
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# Gather student data |
|
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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my $correct; # either a hash reference or a scalar |
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if ($problem_analysis->{'answercomputed'} || scalar(@$concepts) > 1) { |
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# This takes a while for large classes... |
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&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, |
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'Statistics', |
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'stats_status'); |
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foreach my $student (@$students) { |
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my ($idx,@remainder) = split('&',$student->{'answer'}); |
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my ($answer) = ($remainder[$idx]=~/^(.*)=([^=]*)$/); |
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$correct->{$student->{'username'}.':'.$student->{'domain'}}= |
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&Apache::lonnet::unescape($answer); |
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} |
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} else { |
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foreach my $foil (keys(%$foildata)) { |
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if ($foildata->{$foil}->{'value'} eq 'true') { |
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$correct = $foildata->{$foil}->{'name'}; |
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} |
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} |
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} |
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# |
|
if (! defined($response_data) || ref($response_data) ne 'ARRAY' ) { |
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$analysis_html = '<h2>'. |
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&mt('There is no submission data for this resource'). |
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'</h2>'; |
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$r->print($analysis_html); |
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return; |
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} |
|
# |
|
$analysis_html.='<table>'; |
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for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { |
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# classify data ->correct foil -> selected foil |
|
my ($restriction_function, |
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$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); |
# |
# |
# Someday we may need the cumulative data and I think |
$post_graph_text = |
# this is a neat way of computing it as we go along. |
&mt('Start time: [_1]', |
push (@{$CumulativePlotData[$i]->{'good'}}, |
&Apache::lonhtmlcommon::date_setter |
$CumulativePlotData[-1]->{'good'}+ |
('Statistics','startdate_'.$plot_num,$starttime)). |
$ResponseData{$foilid}->[$i]->{'correct'}); |
'<br />'. |
push (@{$CumulativePlotData[$i]->{'bad'}}, |
&mt('End time: [_1]', |
$CumulativePlotData[-1]->{'bad'}+ |
&Apache::lonhtmlcommon::date_setter |
$ResponseData{$foilid}->[$i]->{'incorrect'}); |
('Statistics','enddate_'.$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 $foil_choice_data = |
|
&RR_classify_response_data($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); |
|
} |
|
|
|
sub ensure_start_end_times { |
|
my ($start,$end,$first,$last,$plot_num) = @_; |
|
if (! defined($start) || ! defined($end)) { |
|
my $sec_in_day = 86400; |
|
my ($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 = $first; |
|
} |
|
} |
|
return ($start,$end); |
|
} |
|
|
|
sub RR_concept_plot { |
|
my ($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 $plot; |
|
} |
|
|
|
sub RR_create_percent_selected_plot { |
|
my ($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 $plot; |
|
} |
|
|
|
sub RR_create_stacked_selection_plot { |
|
my ($foils,$foil_data,$title,$true_foils)=@_; |
|
# |
|
my @dataset; # array of array refs - multicolor rows $datasets[row]->[col] |
|
my @labels; |
|
my $count; |
|
my %column; # maps foil name to column in @datasets |
|
for (my $i=0;$i<scalar(@$foils);$i++) { |
|
my $foil = $foils->[$i]; |
|
if (defined($true_foils) && scalar(keys(%$true_foils)) > 0 ) { |
|
next if (! $true_foils->{$foil} ); |
|
push(@labels,$i+1); |
|
} else { |
|
next if (! exists($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); |
|
} |
|
|
|
# if $correct is a hash ref, it is assumed to be indexed by student names. |
|
# the values are assumed to be hash refs with a key of 'answer'. |
|
sub RR_classify_response_data { |
|
my ($full_row_data,$correct,$function) = @_; |
|
my %submission_data; |
|
my %students; |
|
foreach my $row (@$full_row_data) { |
|
my %subm = &hashify_attempt($row); |
|
if (ref($correct) eq 'HASH') { |
|
$subm{'correct'} = $correct->{$subm{'student'}}; |
|
} else { |
|
$subm{'correct'} = $correct; |
|
} |
|
$subm{'submission'} =~ s/=\d+\s*$//; |
|
if (&$function(\%subm)) { |
|
$students{$subm{'student'}}++; |
|
$submission_data{'_count'}++; |
|
if (&submission_is_correct($subm{'award'})) { |
|
$submission_data{'_correct'}++; |
|
} |
|
$submission_data{$subm{'correct'}}->{$subm{'submission'}}++; |
|
} |
|
} |
|
$submission_data{'_students'}=scalar(keys(%students)); |
|
return \%submission_data; |
|
} |
|
|
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Option Response Routines |
|
## |
|
######################################################### |
|
######################################################### |
|
sub OptionResponseAnalysis { |
|
my ($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 { |
|
$r->rflush(); |
|
if (exists($ENV{'form.ExcelOutput'})) { |
|
my $result = &OR_excel_sheet($r,$resource, |
|
$PerformanceData, |
|
$problem_data); |
|
$r->print($result); |
|
$r->rflush(); |
|
} else { |
|
if ($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 { |
|
$r->print('<h2>'. |
|
&mt('The analysis you have selected is '. |
|
'not supported at this time'). |
|
'</h2>'); |
|
} |
|
} |
|
} |
|
} |
|
|
|
######################################################### |
|
# |
|
# Option Response: tries Analysis |
|
# |
|
######################################################### |
|
sub OR_tries_analysis { |
|
my ($r,$PerformanceData,$ORdata) = @_; |
|
my $mintries = 1; |
|
my $maxtries = $ENV{'form.NumPlots'}; |
|
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
my %response_data = &OR_analyze_by_tries($r,$PerformanceData, |
|
$mintries,$maxtries); |
|
my $analysis = ''; |
|
# |
|
# Compute the data necessary to make the plots |
|
my @foil_plot; |
|
my @concept_data; |
|
for (my $j=0;$j<=scalar(@$Concepts);$j++) { |
|
my $concept = $Concepts->[$j]; |
|
foreach my $foilid (@{$concept->{'foils'}}) { |
|
for (my $try=$mintries;$try<=$maxtries;$try++) { |
|
# concept analysis data |
|
$concept_data[$j]->[$try]->{'_correct'} += |
|
$response_data{$foilid}->[$try]->{'_correct'}; |
|
$concept_data[$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]->{$option}},0); |
|
} else { |
|
if ($response_data{$foilid}->[$try]->{'_total'} == |
|
$response_data{$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 |
# Build a table for the plots |
$table .= "<table>\n"; |
my $analysis_html = "<br /><table>\n"; |
my @Plots; |
my $optionkey = &build_option_index($ORdata); |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $num_concepts = 1; |
my $minstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; |
if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); } |
my $maxstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; |
# |
foreach my $foilid (@Foils) { |
for (my $try=$mintries;$try<=$maxtries;$try++) { |
if ($minstu > $ResponseData{$foilid}->[$i]->{'total'}) { |
if (! defined($response_data{'_total'}->[$try]) || |
$minstu = $ResponseData{$foilid}->[$i]->{'total'}; |
$response_data{'_total'}->[$try] == 0) { |
} |
if ($try > 1) { |
if ($maxstu < $ResponseData{$foilid}->[$i]->{'total'}) { |
$analysis_html.= '<tr><td align="center" colspan="4"><b>'. |
$maxstu = $ResponseData{$foilid}->[$i]->{'total'}; |
&mt('None of the selected students attempted the problem more than [_1] times.',$try-1). |
} |
'</b></td></tr>'; |
} |
|
$maxstu = 0 if (! $maxstu); |
|
$minstu = 0 if (! $minstu); |
|
my $graphlink; |
|
if ($maxstu == $minstu) { |
|
$graphlink = &Apache::loncommon::DrawGraph |
|
('Attempt '.$i.', '.$maxstu.' students', |
|
'Foil Number', |
|
'Percent Correct', |
|
100, |
|
$PlotData[$i]->{'good'}, |
|
$PlotData[$i]->{'bad'}); |
|
} else { |
|
$graphlink = &Apache::loncommon::DrawGraph |
|
('Attempt '.$i.', '.$minstu.'-'.$maxstu. |
|
' students', |
|
'Foil Number', |
|
'Percent Correct', |
|
100, |
|
$PlotData[$i]->{'good'}, |
|
$PlotData[$i]->{'bad'}); |
|
} |
|
push(@Plots,$graphlink); |
|
} |
|
# |
|
# Should this be something the user can set? Too many dialogs! |
|
my $plots_per_row = 2; |
|
while (my $plotlink = shift(@Plots)) { |
|
$table .= '<tr><td>'.$plotlink.'</td>'; |
|
for (my $i=1;$i<$plots_per_row;$i++) { |
|
if ($plotlink = shift(@Plots)) { |
|
$table .= '<td>'.$plotlink.'</td>'; |
|
} else { |
} else { |
$table .= '<td></td>'; |
$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); |
|
} |
|
# |
|
# Create Foil Plots |
|
my $data_count = $response_data{'_total'}->[$try]; |
|
my $correct = $response_data{'_correct'}->[$try]; |
|
my @Datasets; |
|
foreach my $option ('_correct',@{$ORdata->{'_Options'}}) { |
|
next if (! exists($foil_plot[$try]->{$option})); |
|
push(@Datasets,$foil_plot[$try]->{$option}); |
} |
} |
$table .= "</tr>\n"; |
# |
|
# 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,$Datasets[0]); |
|
|
|
# |
|
# |
|
next if (! defined($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); |
|
$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>'.$/; |
} |
} |
$table .= "</table>\n"; |
$analysis_html .= "</table>\n"; |
return ($table); |
$table .= $analysis_html; |
|
return $table; |
} |
} |
|
|
sub analyze_option_data_by_tries { |
sub OR_analyze_by_tries { |
my ($PerformanceData,$mintries,$maxtries) = @_; |
my ($r,$PerformanceData,$mintries,$maxtries) = @_; |
my %Trydata; |
my %Trydata; |
$mintries = 1 if (! defined($mintries) || $mintries < 1); |
$mintries = 1 if (! defined($mintries) || $mintries < 1); |
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
|
my @students; |
foreach my $row (@$PerformanceData) { |
foreach my $row (@$PerformanceData) { |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my $tries = &get_tries_from_row($row); |
my @Foilgrades = split('&',$grading); |
my %Row = &Process_OR_Row($row); |
my @Foilsubs = split('&',$submission); |
next if (! %Row); |
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; |
if ($tries == $numtries) { |
$students[$tries]->{$student_id}++; |
foreach my $foilgrade (@Foilgrades) { |
while (my ($foilid,$href) = each(%Row)) { |
my ($foilid,$correct) = split('=',$foilgrade); |
if (! ref($href)) { |
if ($correct) { |
$Trydata{$foilid}->[$tries] += $href; |
$Trydata{$foilid}->[$numtries]->{'correct'}++; |
next; |
} else { |
} |
$Trydata{$foilid}->[$numtries]->{'incorrect'}++; |
while (my ($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; |
|
} |
|
|
|
######################################################### |
|
# |
|
# 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 $table; |
|
} |
|
|
|
sub OR_Foil_Time_Analysis { |
|
my ($processed_time_data,$correct,$data_count,$student_count, |
|
$ORdata,$Foils,$Concepts) = @_; |
|
if ($data_count <= 0) { |
|
return ('<h2>'.&mt('There is no data to plot').'</h2>',''); |
|
} |
|
my $analysis_html; |
|
my @plotdata; |
|
my @labels; |
|
foreach my $concept (@{$Concepts}) { |
|
foreach my $foil (@{$concept->{'foils'}}) { |
|
push(@labels,scalar(@labels)+1); |
|
my $total = $processed_time_data->{$foil}->{'_total'}; |
|
if ($total == 0) { |
|
push(@{$plotdata[0]},0); |
|
} else { |
|
push(@{$plotdata[0]}, |
|
100 * $processed_time_data->{$foil}->{'_correct'} / $total); |
|
} |
|
my $total_incorrect = $total - $processed_time_data->{$foil}->{'_correct'}; |
|
for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) { |
|
my $option = $ORdata->{'_Options'}->[$i]; |
|
if ($total_incorrect == 0) { |
|
push(@{$plotdata[$i+1]},0); |
|
} else { |
|
push(@{$plotdata[$i+1]}, |
|
100 * $processed_time_data->{$foil}->{$option} / $total_incorrect); |
} |
} |
} |
} |
} |
} |
|
# Put in a blank one |
|
push(@labels,''); |
|
push(@{$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]); |
|
for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { |
|
$plotdata[0]->[$j]=0; |
} |
} |
foreach my $foilid (keys(%Trydata)) { |
my $incorrect_plot = |
foreach my $tryhash (@{$Trydata{$foilid}}) { |
&Apache::loncommon::DrawBarGraph('Incorrect Statements', |
next if ((! exists($tryhash->{'correct'}) && |
'Statement Number', |
! exists($tryhash->{'incorrect'})) || |
'Incorrect Option Choice', |
($tryhash->{'correct'} < 1 && |
100, |
$tryhash->{'incorrect'} < 1)); |
$plotcolors, |
$tryhash->{'total'} = $tryhash->{'correct'} + |
undef, |
$tryhash->{'incorrect'}; |
@plotdata); |
$tryhash->{'percent_corr'} = 100 * |
return ($correct_plot,$incorrect_plot); |
($tryhash->{'correct'} / |
} |
($tryhash->{'correct'} + $tryhash->{'incorrect'}) |
|
); |
sub OR_Concept_Time_Analysis { |
|
my ($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); |
} |
} |
} |
} |
return %Trydata; |
# |
|
# Create the plot |
|
return &Apache::loncommon::DrawBarGraph('Correct Concepts', |
|
'Concept Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
undef, |
|
\@plotdata); |
|
} |
|
|
|
sub OR_time_process_data { |
|
my ($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))); |
} |
} |
|
|
######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
## Time Analysis |
## Excel output |
## |
## |
######################################################### |
######################################################### |
######################################################### |
######################################################### |
sub time_analysis { |
sub OR_excel_sheet { |
my ($PerformanceData,$ORdata) = @_; |
my ($r,$resource,$performance_data,$ORdata) = @_; |
my $num_plots = $ENV{'form.NumPlots'}; |
my $response = ''; |
my ($table,@Foils) = &build_foil_index($ORdata); |
my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); |
my ($begin_index,$end_index); |
# |
my $num_data = scalar(@$PerformanceData)-1; |
# Create excel worksheet |
my $percent = sprintf('%2f',100/$num_plots); |
my $filename = '/prtspool/'. |
for (my $i=0;$i<$num_plots;$i++) { |
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. |
$begin_index = $i*int($num_data/$num_plots); |
time.'_'.rand(1000000000).'.xls'; |
$end_index = ($i+1)*int($num_data/$num_plots); |
my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); |
my $lownum = sprintf('%2.1f',$i*$percent); |
if (! defined($workbook)) { |
$lownum =~ s/(\.0)$//; |
$r->log_error("Error creating excel spreadsheet $filename: $!"); |
my $highnum = sprintf('%2.1f',($i+1)*$percent); |
$r->print('<p>'.&mt("Unable to create new Excel file. ". |
$highnum =~ s/(\.0)$//; |
"This error has been logged. ". |
my ($plothtml,$starttime,$endtime,$data) = |
"Please alert your LON-CAPA administrator"). |
&analyze_option_data_by_time($PerformanceData, |
'</p>'); |
$begin_index,$end_index, |
return undef; |
$lownum.'% to '.$highnum.'% of submissions', |
|
@Foils); |
|
$table.=$plothtml; |
|
} |
} |
return $table; |
# |
|
$workbook->set_tempdir('/home/httpd/perl/tmp'); |
|
my $format = &Apache::loncommon::define_excel_formats($workbook); |
|
# |
|
# Create and populate main worksheets |
|
my $problem_data_sheet = $workbook->addworksheet('Problem Data'); |
|
my $student_data_sheet = &build_student_data_worksheet($workbook,$format); |
|
my $response_data_sheet = $workbook->addworksheet('Response Data'); |
|
foreach my $sheet ($problem_data_sheet,$student_data_sheet, |
|
$response_data_sheet) { |
|
$sheet->write(0,0,$resource->{'title'},$format->{'h2'}); |
|
$sheet->write(1,0,$resource->{'src'},$format->{'h3'}); |
|
} |
|
# |
|
my $result; |
|
$result = &OR_build_problem_data_worksheet($problem_data_sheet,$format, |
|
$Concepts,$ORdata); |
|
if ($result ne 'okay') { |
|
# Do something useful |
|
} |
|
$result = &OR_build_response_data_worksheet($response_data_sheet,$format, |
|
$performance_data,$Foils, |
|
$ORdata); |
|
if ($result ne 'okay') { |
|
# Do something useful |
|
} |
|
$response_data_sheet->activate(); |
|
# |
|
# Close the excel file |
|
$workbook->close(); |
|
# |
|
# Write a link to allow them to download it |
|
$result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'. |
|
'<p><a href="'.$filename.'">'. |
|
&mt('Your Excel spreadsheet.'). |
|
'</a></p>'."\n"; |
|
return $result; |
} |
} |
|
|
sub analyze_option_data_by_time { |
sub OR_build_problem_data_worksheet { |
my ($PerformanceData,$begin_index,$end_index,$description,@Foils) = @_; |
my ($worksheet,$format,$Concepts,$ORdata) = @_; |
my %TimeData; |
my $rows_output = 3; |
# |
my $cols_output = 0; |
# Get the start and end times for this segment of the plot |
$worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'}); |
my $starttime = $PerformanceData->[$begin_index]->[2]; |
## |
my $endtime = $PerformanceData->[$end_index ]->[2]; |
## |
# |
my @Headers; |
# Compute the number getting the foils correct or incorrects |
if (@$Concepts > 1) { |
for (my $i=$begin_index;$i<=$end_index;$i++) { |
@Headers = ("Concept\nNumber",'Concept',"Foil\nNumber", |
my $row = $PerformanceData->[$i]; |
'Foil Name','Foil Text','Correct value'); |
|
} else { |
|
@Headers = ('Foil Number','FoilName','Foil Text','Correct value'); |
|
} |
|
$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
|
my %Foildata = %{$ORdata->{'_Foils'}}; |
|
my $conceptindex = 1; |
|
my $foilindex = 1; |
|
foreach my $concept (@$Concepts) { |
|
my @FoilsInConcept = @{$concept->{'foils'}}; |
|
my $firstfoil = shift(@FoilsInConcept); |
|
if (@$Concepts > 1) { |
|
$worksheet->write_row($rows_output++,0, |
|
[$conceptindex, |
|
$concept->{'name'}, |
|
$foilindex++, |
|
$Foildata{$firstfoil}->{'name'}, |
|
$Foildata{$firstfoil}->{'text'}, |
|
$Foildata{$firstfoil}->{'value'},]); |
|
} else { |
|
$worksheet->write_row($rows_output++,0, |
|
[ $foilindex++, |
|
$Foildata{$firstfoil}->{'name'}, |
|
$Foildata{$firstfoil}->{'text'}, |
|
$Foildata{$firstfoil}->{'value'},]); |
|
} |
|
foreach my $foilid (@FoilsInConcept) { |
|
if (@$Concepts > 1) { |
|
$worksheet->write_row($rows_output++,0, |
|
['', |
|
'', |
|
$foilindex, |
|
$Foildata{$foilid}->{'name'}, |
|
$Foildata{$foilid}->{'text'}, |
|
$Foildata{$foilid}->{'value'},]); |
|
} else { |
|
$worksheet->write_row($rows_output++,0, |
|
[$foilindex, |
|
$Foildata{$foilid}->{'name'}, |
|
$Foildata{$foilid}->{'text'}, |
|
$Foildata{$foilid}->{'value'},]); |
|
} |
|
} continue { |
|
$foilindex++; |
|
} |
|
} continue { |
|
$conceptindex++; |
|
} |
|
$rows_output++; |
|
$rows_output++; |
|
## |
|
## Option data output |
|
$worksheet->write($rows_output++,0,'Options',$format->{'header'}); |
|
foreach my $string (@{$ORdata->{'_Options'}}) { |
|
$worksheet->write($rows_output++,0,$string); |
|
} |
|
return 'okay'; |
|
} |
|
|
|
sub OR_build_response_data_worksheet { |
|
my ($worksheet,$format,$performance_data,$Foils,$ORdata)=@_; |
|
my $rows_output = 3; |
|
my $cols_output = 0; |
|
$worksheet->write($rows_output++,0,'Response Data',$format->{'h3'}); |
|
$worksheet->set_column(1,1,20); |
|
$worksheet->set_column(2,2,13); |
|
my @Headers = ('identifier','time','award detail','attempt'); |
|
foreach my $foil (@$Foils) { |
|
push (@Headers,$foil.' submission'); |
|
push (@Headers,$foil.' grading'); |
|
} |
|
$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
|
# |
|
foreach my $row (@$performance_data) { |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my ($student,$award,$grading,$submission,$time,$tries) = @$row; |
my @Foilgrades = split('&',$grading); |
my @Foilgrades = split('&',$grading); |
my @Foilsubs = split('&',$submission); |
my @Foilsubs = split('&',$submission); |
foreach my $foilgrade (@Foilgrades) { |
my %response_data; |
my ($foilid,$correct) = split('=',$foilgrade); |
for (my $j=0;$j<=$#Foilgrades;$j++) { |
if ($correct) { |
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
$TimeData{$foilid}->{'correct'}++; |
my (undef,$submission) = split('=',$Foilsubs[$j]); |
} else { |
$submission = &Apache::lonnet::unescape($submission); |
$TimeData{$foilid}->{'incorrect'}++; |
$response_data{$foilid.' submission'}=$submission; |
} |
$response_data{$foilid.' award'}=$correct; |
} |
} |
|
$worksheet->write($rows_output,$cols_output++,$student); |
|
$worksheet->write($rows_output,$cols_output++, |
|
&Apache::lonstathelpers::calc_serial($time),$format->{'date'}); |
|
$worksheet->write($rows_output,$cols_output++,$award); |
|
$worksheet->write($rows_output,$cols_output++,$tries); |
|
foreach my $foilid (@$Foils) { |
|
$worksheet->write($rows_output,$cols_output++, |
|
$response_data{$foilid.' submission'}); |
|
$worksheet->write($rows_output,$cols_output++, |
|
$response_data{$foilid.' award'}); |
|
} |
|
$rows_output++; |
|
$cols_output = 0; |
} |
} |
# |
return; |
# Compute the total and percent correct |
} |
my @Plotdata1; |
|
my @Plotdata2; |
sub build_foil_index { |
|
my ($ORdata) = @_; |
|
return if (! exists($ORdata->{'_Foils'})); |
|
my %Foildata = %{$ORdata->{'_Foils'}}; |
|
my @Foils = sort(keys(%Foildata)); |
|
my %Concepts; |
foreach my $foilid (@Foils) { |
foreach my $foilid (@Foils) { |
if (! exists($TimeData{$foilid}->{'correct'})) { |
push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}}, |
$TimeData{$foilid}->{'correct'} = 0; |
$foilid); |
|
} |
|
undef(@Foils); |
|
# Having gathered the concept information in a hash, we now translate it |
|
# into an array because we need to be consistent about order. |
|
# Also put the foils in order, too. |
|
my $sortfunction = sub { |
|
my %Numbers = (one => 1, |
|
two => 2, |
|
three => 3, |
|
four => 4, |
|
five => 5, |
|
six => 6, |
|
seven => 7, |
|
eight => 8, |
|
nine => 9, |
|
ten => 10,); |
|
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 $b1; |
} |
} |
if (! exists($TimeData{$foilid}->{'incorrect'})) { |
}; |
$TimeData{$foilid}->{'incorrect'} = 0; |
my @Concepts; |
|
foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
|
if (! defined($Concepts{$concept})) { |
|
$Concepts{$concept}=[]; |
|
# next; |
} |
} |
$TimeData{$foilid}->{'total'} = $TimeData{$foilid}->{'correct'} + |
push(@Concepts,{ name => $concept, |
$TimeData{$foilid}->{'incorrect'}; |
foils => [@{$Concepts{$concept}}]}); |
$TimeData{$foilid}->{'percent_corr'} = 100 * |
push(@Foils,(@{$Concepts{$concept}})); |
$TimeData{$foilid}->{'correct'} / |
|
$TimeData{$foilid}->{'total'}; |
|
push (@Plotdata1, $TimeData{$foilid}->{'percent_corr'}); |
|
push (@Plotdata2,100-$TimeData{$foilid}->{'percent_corr'}); |
|
} |
} |
# |
# |
# Create the plot |
# Build up the table of row labels. |
my $graphlink = &Apache::loncommon::DrawGraph |
my $table = '<table border="1" >'."\n"; |
($description,#'Time Interval Analysis', |
if (@Concepts > 1) { |
'Foil Number', |
$table .= '<tr>'. |
'Percent Correct / Incorrect', |
'<th>'.&mt('Concept Number').'</th>'. |
100, |
'<th>'.&mt('Concept').'</th>'. |
\@Plotdata1,\@Plotdata2); |
'<th>'.&mt('Foil Number').'</th>'. |
$graphlink .= "<br />\n". |
'<th>'.&mt('Foil Name').'</th>'. |
"<b>Start Time</b>: ".localtime($starttime)."<br />\n". |
'<th>'.&mt('Foil Text').'</th>'. |
"<b>End Time</b>: ".localtime($endtime)."<br />\n"; |
'<th>'.&mt('Correct Value').'</th>'. |
|
"</tr>\n"; |
|
} else { |
|
$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++; |
|
} |
|
$table .= "</table>\n"; |
# |
# |
return ($graphlink,$starttime,$endtime,\%TimeData); |
# 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)); |
|
$table .= "</table>\n"; |
|
} |
|
|
######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
## Interface |
## Generic Interface Routines |
## |
## |
######################################################### |
######################################################### |
######################################################### |
######################################################### |
sub CreateInterface { |
sub CreateInterface { |
## |
## |
## Environment variable initialization |
## Environment variable initialization |
if (! exists$ENV{'form.AnalyzeBy'}) { |
if (! exists$ENV{'form.AnalyzeOver'}) { |
$ENV{'form.AnalyzeBy'} = 'Tries'; |
$ENV{'form.AnalyzeOver'} = 'tries'; |
} |
} |
## |
## |
## Build the menu |
## Build the menu |
my $Str = ''; |
my $Str = ''; |
|
$Str .= &Apache::lonhtmlcommon::breadcrumbs |
|
(undef,'Detailed Problem Analysis'); |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<tr>'; |
$Str .= '<tr>'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
Line 433 sub CreateInterface {
|
Line 1645 sub CreateInterface {
|
}; |
}; |
&Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
&Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
$only_seq_with_assessments); |
$only_seq_with_assessments); |
# $Str .= '</td>'; |
## |
# |
## |
$Str .= '<td>'; |
$Str .= '<td>'; |
$Str .= '<nobr>'.&mt('Analyze By '); |
## |
$Str .='<select name="AnalyzeBy" >'; |
my $showprob_checkbox = |
# |
'<input type="checkbox" name="show_prob" value="true" '; |
$Str .= '<option value="Tries" '; |
if ($ENV{'form.show_prob'} eq 'true') { |
if (! exists($ENV{'form.AnalyzeBy'}) || $ENV{'form.AnalyzeBy'} eq 'Tries'){ |
$showprob_checkbox .= 'checked '; |
# Default to Tries |
} |
$Str .= ' selected '; |
$showprob_checkbox.= ' />'; |
} |
$Str.= '<nobr><label>'. |
$Str .= '>'.&mt('Tries').'</option>'; |
&mt('Show problem [_1]',$showprob_checkbox). |
# |
'</label></nobr><br />'; |
$Str .= '<option value="Time" '; |
## |
$Str .= ' selected ' if ($ENV{'form.AnalyzeBy'} eq 'Time'); |
my $analyze_selector = '<select name="AnalyzeOver" >'; |
$Str .= '>'.&mt('Time').'</option>'; |
$analyze_selector .= '<option value="tries" '; |
$Str .= '</select></nobr><br />'; |
if (! exists($ENV{'form.AnalyzeOver'}) || |
# |
$ENV{'form.AnalyzeOver'} eq 'tries'){ |
$Str .= '<br /><nobr>'.&mt('Number of Plots:'); |
# Default to tries |
$Str .= '<select name="NumPlots">'; |
$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'}) |
if (! exists($ENV{'form.NumPlots'}) |
|| $ENV{'form.NumPlots'} < 1 |
|| $ENV{'form.NumPlots'} < 1 |
|| $ENV{'form.NumPlots'} > 20) { |
|| $ENV{'form.NumPlots'} > 20) { |
$ENV{'form.NumPlots'} = 5; |
$ENV{'form.NumPlots'} = 5; |
} |
} |
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
$Str .= '<option value="'.$i.'" '; |
$numplots_selector .= '<option value="'.$i.'" '; |
if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; } |
if ($ENV{'form.NumPlots'} == $i) { $numplots_selector.=' selected '; } |
$Str .= '>'.$i.'</option>'; |
$numplots_selector .= '>'.$i.'</option>'; |
} |
} |
$Str .= '</select></nobr>'; |
$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 .= '</td>'; |
# |
## |
|
## |
$Str .= '</tr>'."\n"; |
$Str .= '</tr>'."\n"; |
$Str .= '</table>'."\n"; |
$Str .= '</table>'."\n"; |
return ($Str); |
|
} |
|
|
|
sub OptionResponseProblemSelector { |
|
my $Str; |
|
$Str = "\n<table>\n"; |
|
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
|
next if ($seq->{'num_assess'}<1); |
|
my $seq_str = ''; |
|
foreach my $res (@{$seq->{'contents'}}) { |
|
# &Apache::lonnet::logthis('checking '.$res->{'title'}); |
|
next if ($res->{'type'} ne 'assessment'); |
|
foreach my $part (@{$res->{'parts'}}) { |
|
my $partdata = $res->{'partdata'}->{$part}; |
|
if (! exists($partdata->{'option'}) || |
|
$partdata->{'option'} == 0) { |
|
next; |
|
} |
|
for (my $i=0;$i<scalar(@{$partdata->{'ResponseTypes'}});$i++){ |
|
my $respid = $partdata->{'ResponseIds'}->[$i]; |
|
my $resptype = $partdata->{'ResponseTypes'}->[$i]; |
|
if ($resptype eq 'option') { |
|
my $value = &Apache::lonnet::escape($res->{'symb'}.':'.$part.':'.$respid); |
|
my $checked = ''; |
|
if ($ENV{'form.problemchoice'} eq $value) { |
|
$checked = 'checked '; |
|
} |
|
$seq_str .= '<tr><td>'. |
|
'<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. |
|
'</td><td>'. |
|
'<a href="'.$res->{'src'}.'">'.$res->{'title'}.'</a> '; |
|
if ($partdata->{'option'} > 1) { |
|
$seq_str .= &mt('response').' '.$respid; |
|
} |
|
$seq_str .= "</td></tr>\n"; |
|
} |
|
} |
|
} |
|
} |
|
if ($seq_str ne '') { |
|
$Str .= '<tr><td> </td><td><b>'.$seq->{'title'}.'</b></td>'. |
|
"</tr>\n".$seq_str; |
|
} |
|
} |
|
$Str .= "</table>\n"; |
|
return $Str; |
return $Str; |
} |
} |
|
|
######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
## Misc functions |
## Misc Option Response functions |
## |
## |
######################################################### |
######################################################### |
######################################################### |
######################################################### |
sub get_problem_symb { |
sub get_time_from_row { |
my $problemstring = shift(); |
my ($row) = @_; |
my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
if (ref($row)) { |
return ($symb,$partid,$resid); |
return $row->[&Apache::loncoursedata::RD_timestamp()]; |
|
} |
|
return undef; |
} |
} |
|
|
sub get_resource_from_symb { |
sub get_tries_from_row { |
my ($symb) = @_; |
my ($row) = @_; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
if (ref($row)) { |
foreach my $res (@{$seq->{'contents'}}) { |
return $row->[&Apache::loncoursedata::RD_tries()]; |
if ($res->{'symb'} eq $symb) { |
|
return $res; |
|
} |
|
} |
|
} |
} |
return undef; |
return undef; |
} |
} |
|
|
sub get_problem_data { |
sub hashify_attempt { |
my ($url) = @_; |
my ($row) = @_; |
# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze', |
my %attempt; |
# 'grade_username' => $sname, |
$attempt{'student'} = $row->[&Apache::loncoursedata::RD_sname()]; |
# 'grade_domain' => $sdom, |
$attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()]; |
# 'grade_courseid' => $cid, |
$attempt{'submission'} = &Apache::lonnet::unescape($row->[&Apache::loncoursedata::RD_submission()]); |
# 'grade_symb' => $symb)); |
$attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()]; |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
$attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()]; |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
return %attempt; |
my %Answer; |
} |
%Answer=&Apache::lonnet::str2hash($Answ); |
|
# &Apache::lonnet::logthis('keys of %Answer = '.join(', ',(keys(%Answer)))); |
sub Process_OR_Row { |
# &Apache::lonnet::logthis('$Answer{parts} = '. |
my ($row) = @_; |
# join(', ',@{$Answer{'parts'}})); |
my %RowData; |
my %Partdata; |
# my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; |
foreach my $part (@{$Answer{'parts'}}) { |
my $award = $row->[&Apache::loncoursedata::RD_awarddetail()]; |
while (my($key,$value) = each(%Answer)) { |
my $grading = $row->[&Apache::loncoursedata::RD_response_eval()]; |
next if ($key !~ /^$part/); |
my $submission = $row->[&Apache::loncoursedata::RD_submission()]; |
$key =~ s/^$part\.//; |
my $time = $row->[&Apache::loncoursedata::RD_timestamp()]; |
if (ref($value) eq 'ARRAY') { |
# my $tries = $row->[&Apache::loncoursedata::RD_tries()]; |
if ($key eq 'options') { |
return undef if ($award eq 'MISSING_ANSWER'); |
$Partdata{$part}->{'Options'}=$value; |
if (&submission_is_correct($award)) { |
} elsif ($key eq 'concepts') { |
$RowData{'_correct'} = 1; |
$Partdata{$part}->{'Concepts'}=$value; |
} |
} elsif ($key =~ /^concept\.(.*)$/) { |
$RowData{'_total'} = 1; |
my $concept = $1; |
my @Foilgrades = split('&',$grading); |
foreach my $foil (@$value) { |
my @Foilsubs = split('&',$submission); |
$Partdata{$part}->{$foil}->{'Concept'}=$concept; |
for (my $j=0;$j<=$#Foilgrades;$j++) { |
} |
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
} |
$foilid = &Apache::lonnet::unescape($foilid); |
# &Apache::lonnet::logthis($part.' '.$key.' (array) = '. |
my (undef,$submission) = split('=',$Foilsubs[$j]); |
# join(', ',@$value)); |
if ($correct) { |
} else { |
$RowData{$foilid}->{'_correct'}++; |
$value =~ s/^\s*//g; |
} else { |
$value =~ s/\s*$//g; |
$submission = &Apache::lonnet::unescape($submission); |
if ($key=~ /^foil\.text\.(.*)$/) { |
$RowData{$foilid}->{$submission}++; |
my $foil = $1; |
|
$Partdata{$part}->{'Foiltext'}->{$foil}=$value; |
|
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
|
my $foil = $1; |
|
$Partdata{$part}->{'FoilValues'}->{$foil}=$value; |
|
} |
|
# &Apache::lonnet::logthis($part.' '.$key.' = '.$value); |
|
} |
|
} |
} |
|
$RowData{$foilid}->{'_total'}++; |
} |
} |
|
return %RowData; |
|
} |
|
|
# my $parts=''; |
sub submission_is_correct { |
# foreach my $elm (@{$Answer{"parts"}}) { |
my ($award) = @_; |
# $parts.="$elm,"; |
if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { |
# } |
return 1; |
# chop($parts); |
} else { |
# my $conc=''; |
return 0; |
# foreach my $elm (@{$Answer{"$parts.concepts"}}) { |
} |
# $conc.="$elm@"; |
|
# } |
|
# chop($conc); |
|
# |
|
# @Concepts=split(/\@/,$conc); |
|
# foreach my $concept (@{$Answer{"$parts.concepts"}}) { |
|
# foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) { |
|
# $foil_to_concept{$foil} = $concept; |
|
# #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; |
|
# } |
|
# } |
|
# return $symb; |
|
return %Partdata; |
|
} |
} |
|
|
1; |
1; |