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version 1.40, 2003/10/16 13:23:13
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version 1.144, 2013/10/01 14:52:47
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| # The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
| # |
# |
| |
|
| # $Id$ |
# $Id$ |
| # |
# |
| # Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
|
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|
Line 24
|
| # |
# |
| # http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
| # |
# |
| |
|
| package Apache::lonproblemanalysis; |
package Apache::lonproblemanalysis; |
| |
|
| use strict; |
use strict; |
| use Apache::lonnet(); |
use Apache::lonnet; |
| use Apache::loncommon(); |
use Apache::loncommon(); |
| use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
| use Apache::loncoursedata(); |
use Apache::loncoursedata(); |
| |
use Apache::lonquickgrades(); |
| use Apache::lonstatistics; |
use Apache::lonstatistics; |
| use Apache::lonlocal; |
use Apache::lonlocal; |
| |
use Apache::lonstathelpers(); |
| |
use Apache::lonstudentsubmissions(); |
| use HTML::Entities(); |
use HTML::Entities(); |
| |
use Time::Local(); |
| |
use capa; |
| |
use lib '/home/httpd/lib/perl/'; |
| |
use LONCAPA; |
| |
|
| |
|
| my $plotcolors = ['#33ff00', |
my $plotcolors = ['#33ff00', |
| '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
| '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
'#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
| ]; |
]; |
| |
|
| |
my @SubmitButtons = ({ name => 'PrevProblemAnalysis', |
| |
text => 'Previous Problem' }, |
| |
{ name => 'ProblemAnalysis', |
| |
text => 'Analyze Problem Again' }, |
| |
{ name => 'NextProblemAnalysis', |
| |
text => 'Next Problem' }, |
| |
{ name => 'break'}, |
| |
{ name => 'SelectAnother', |
| |
text => 'Choose a different Problem' }); |
| |
|
| sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
| my ($r,$c)=@_; |
my ($r,$c)=@_; |
| $r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); |
# |
| |
my %Saveable_Parameters = ('Status' => 'scalar', |
| |
'Section' => 'array', |
| |
'Groups' => 'array', |
| |
'NumPlots' => 'scalar', |
| |
'AnalyzeOver' => 'scalar', |
| |
); |
| |
&Apache::loncommon::store_course_settings('problem_analysis', |
| |
\%Saveable_Parameters); |
| |
&Apache::loncommon::restore_course_settings('problem_analysis', |
| |
\%Saveable_Parameters); |
| |
# |
| |
&Apache::lonstatistics::PrepareClasslist(); |
| |
# |
| |
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Detailed Problem Analysis')); |
| |
&Apache::lonquickgrades::startGradeScreen($r,'statistics'); |
| |
|
| $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('<div class="LC_warning">' |
| $ENV{'form.firstanalysis'} ne 'no')) { |
.&mt('There are no students in the sections/groups selected.') |
| &Apache::lonstatistics::Gather_Full_Student_Data($r); |
.'</div>' |
| } |
); |
| if (! exists($ENV{'form.firstanalysis'})) { |
|
| $r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
|
| } else { |
|
| $r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
|
| } |
} |
| |
# |
| |
my @CacheButtonHTML = |
| |
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
| $r->rflush(); |
$r->rflush(); |
| if (exists($ENV{'form.problemchoice'}) && |
# |
| ! exists($ENV{'form.SelectAnother'})) { |
my $problem_types = '(option|radiobutton|numerical)'; |
| $r->print('<input type="submit" name="ProblemAnalysis" value="'. |
if (exists($env{'form.problemchoice'}) && |
| &mt('Analyze Problem Again').'" />'); |
! exists($env{'form.SelectAnother'})) { |
| $r->print(' 'x5); |
foreach my $button (@SubmitButtons) { |
| $r->print('<input type="submit" name="ClearCache" value="'. |
if ($button->{'name'} eq 'break') { |
| &mt('Clear Caches').'" />'); |
$r->print("<br />\n"); |
| $r->print(' 'x5); |
} else { |
| $r->print('<input type="submit" name="updatecaches" value="'. |
$r->print('<input type="submit" name="'.$button->{'name'}.'" '. |
| &mt('Update Student Data').'" />'); |
'value="'.&mt($button->{'text'}).'" />'); |
| $r->print(' 'x5); |
$r->print(' 'x5); |
| $r->print('<input type="hidden" name="problemchoice" value="'. |
} |
| $ENV{'form.problemchoice'}.'" />'); |
} |
| $r->print('<input type="submit" name="SelectAnother" value="'. |
foreach my $html (@CacheButtonHTML) { |
| &mt('Choose a different resource').'" />'); |
$r->print($html.(' 'x5)); |
| $r->print(' 'x5); |
} |
| |
# |
| |
|
| |
# This is commented out pending actual implementation of |
| |
# CSV and Excel output. |
| |
#$r->print(&Apache::lonstathelpers::submission_report_form |
| |
# ('problem_analysis')); |
| # |
# |
| $r->print('<hr />'); |
$r->print('<hr />'); |
| |
$r->rflush(); |
| # |
# |
| my ($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 ($navmap,$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 $rendered_problem = |
|
| &Apache::lonnet::ssi_body($resource->{'src'}); |
|
| $rendered_problem =~ s/<\s*form\s*/<nop /g; |
|
| $rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
|
| $r->print('<table bgcolor="ffffff"><tr><td>'. |
|
| '<base href="'.$base.'" />'. |
|
| $rendered_problem. |
|
| '</td></tr></table>'); |
|
| ## |
|
| ## Analyze the problem |
|
| my $PerformanceData = |
|
| &Apache::loncoursedata::get_optionresponse_data |
|
| (\@Students,$symb,$resid); |
|
| if (defined($PerformanceData) && |
|
| ref($PerformanceData) eq 'ARRAY') { |
|
| if ($ENV{'form.AnalyzeOver'} eq 'Tries') { |
|
| my $analysis_html = &tries_analysis($PerformanceData, |
|
| $ORdata); |
|
| $r->print($analysis_html); |
|
| } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') { |
|
| my $analysis_html = &time_analysis($PerformanceData, |
|
| $ORdata); |
|
| $r->print($analysis_html); |
|
| } else { |
|
| $r->print('<h2>'. |
|
| &mt('The analysis you have selected is '. |
|
| 'not supported at this time'). |
|
| '</h2>'); |
|
| } |
|
| } else { |
|
| $r->print('<h2>'. |
|
| &mt('There is no student data for this problem.'). |
|
| '</h2>'); |
|
| } |
|
| } else { |
} else { |
| |
$current_problem = $curr; |
| |
} |
| |
# |
| |
# Store the current problem choice and send it out in the form |
| |
$env{'form.problemchoice'} = |
| |
&Apache::lonstathelpers::make_target_id($current_problem); |
| |
$r->print('<input type="hidden" name="problemchoice" value="'. |
| |
$env{'form.problemchoice'}.'" />'); |
| |
# |
| |
if (! defined($current_problem->{'resource'})) { |
| $r->print('resource is undefined'); |
$r->print('resource is undefined'); |
| |
} else { |
| |
my $resource = $current_problem->{'resource'}; |
| |
$r->print('<h1>'.$resource->compTitle.'</h1>'); |
| |
$r->print('<h3>'.$resource->src.'</h3>'); |
| |
$r->print('<p>'.&Apache::lonstatistics::section_and_enrollment_description().'</p>'); |
| |
if ($env{'form.show_prob'} eq 'true') { |
| |
$r->print('<hr />' |
| |
.&Apache::lonstathelpers::render_resource($resource) |
| |
.'<hr />' |
| |
); |
| |
} |
| |
$r->rflush(); |
| |
if (@Students) { |
| |
my %Data = &Apache::lonstathelpers::get_problem_data |
| |
($resource->src); |
| |
my $problem_data = $Data{$current_problem->{'part'}. |
| |
'.'. |
| |
$current_problem->{'respid'}}; |
| |
if ($current_problem->{'resptype'} eq 'option') { |
| |
&OptionResponseAnalysis($r,$current_problem, |
| |
$problem_data, |
| |
\@Students); |
| |
} elsif ($current_problem->{'resptype'} eq 'radiobutton') { |
| |
&radio_response_analysis($r,$current_problem, |
| |
$problem_data, |
| |
\@Students); |
| |
} elsif ($current_problem->{'resptype'} eq 'numerical') { |
| |
&numerical_response_analysis($r,$current_problem, |
| |
$problem_data,\@Students); |
| |
} else { |
| |
$r->print('<div class="LC_warning">' |
| |
.&mt('Analysis of [_1] is not supported.' |
| |
,$current_problem->{'resptype'}) |
| |
.'</div>' |
| |
); |
| |
} |
| |
} |
| } |
} |
| $r->print('<hr />'); |
$r->print('<hr />'); |
| } else { |
} else { |
| $r->print('<input type="submit" name="ProblemAnalysis" value="'. |
my $submit_button = '<input type="submit" '. |
| &mt('Analyze Problem').'" />'); |
'name="ProblemAnalysis" value="'. |
| |
&mt('Analyze Problem').'" />'; |
| |
$r->print($submit_button); |
| $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()); |
$r->print(&Apache::lonstathelpers::problem_selector($problem_types, |
| |
$submit_button)); |
| |
} |
| |
} |
| |
|
| |
######################################################### |
| |
######################################################### |
| |
## |
| |
## Numerical Response Routines |
| |
## |
| |
######################################################### |
| |
######################################################### |
| |
sub numerical_response_analysis { |
| |
my ($r,$problem,$problem_analysis,$students) = @_; |
| |
my $c = $r->connection(); |
| |
# |
| |
if ($env{'form.AnalyzeOver'} !~ /^(tries|time)$/) { |
| |
$r->print('Bad request'); |
| |
} |
| |
# |
| |
my ($resource,$partid,$respid) = ($problem->{'resource'}, |
| |
$problem->{'part'}, |
| |
$problem->{'respid'}); |
| |
# Gather student data |
| |
my $response_data = &Apache::loncoursedata::get_response_data |
| |
([&Apache::lonstatistics::get_selected_sections()], |
| |
[&Apache::lonstatistics::get_selected_groups()], |
| |
$Apache::lonstatistics::enrollment_status, |
| |
$resource->symb,$respid); |
| |
# |
| |
$problem_analysis->{'answercomputed'} = 1; |
| |
if ($problem_analysis->{'answercomputed'}) { |
| |
my $answers = |
| |
&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, |
| |
'Statistics', |
| |
'stats_status'); |
| |
$r->print(&numerical_one_dimensional_plot($r,600,150,$answers)); |
| |
} |
| |
# |
| |
if (ref($response_data) ne 'ARRAY') { |
| |
$r->print('<div class="LC_warning">' |
| |
.&mt('There is no submission data for this resource.') |
| |
.'</div>' |
| |
); |
| |
return; |
| |
} |
| |
my $analysis_html = '<table>'; |
| |
for (my $plot_num = 1;$plot_num<=$env{'form.NumPlots'};$plot_num++) { |
| |
my $restriction_function; |
| |
my $header_message; |
| |
my $stats_message; |
| |
my $post_message; # passed through &mt sooner rather than later |
| |
my $no_data_message; |
| |
my @extra_data; |
| |
if ($env{'form.AnalyzeOver'} eq 'tries') { |
| |
$restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; |
| |
$header_message = 'Attempt [_1]'; |
| |
$stats_message = |
| |
'[_1] submissions, [_2] correct, [_3] incorrect'; |
| |
$post_message = ''; |
| |
$no_data_message = 'No data exists for attempt [_1].'; |
| |
} else { |
| |
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); |
| |
$header_message = 'Data from [_2] to [_3]'; |
| |
$extra_data[0] = &Apache::lonlocal::locallocaltime($starttime); |
| |
$extra_data[1] = &Apache::lonlocal::locallocaltime($endtime); |
| |
# |
| |
$stats_message = |
| |
'[_1] submissions from [_4] students, [_2] correct, [_3] incorrect'; |
| |
# |
| |
$post_message = |
| |
&mt('Start time: [_1]', |
| |
&Apache::lonhtmlcommon::date_setter |
| |
('Statistics','startdate_'.$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; |
| |
} |
| |
}; |
| |
$no_data_message = 'No data for [_2] to [_3]'; |
| |
} |
| |
# |
| |
my ($correct,$answers) = |
| |
&numerical_determine_answers($r,$resource,$partid, |
| |
$respid,$students); |
| |
if ($c->aborted()) { return; }; |
| |
# |
| |
my ($responses,$stats) = |
| |
&numerical_classify_responses($response_data,$correct, |
| |
$restriction_function); |
| |
if ($stats->{'submission_count'} == 0) { |
| |
$analysis_html.= |
| |
'<tr><td colspan="2"><div class="LC_warning">'. |
| |
&mt($no_data_message,$plot_num,@extra_data). |
| |
'</div></td></tr>'; |
| |
} else { |
| |
$analysis_html.= |
| |
'<tr><td colspan="2" align="center"><font size="+1"><b>'. |
| |
&mt($header_message,$plot_num,@extra_data). |
| |
'</b></font></td></tr>'. |
| |
'<tr><td colspan="2" align="center">'. |
| |
&mt($stats_message, |
| |
$stats->{'submission_count'}, |
| |
$stats->{'correct_count'}, |
| |
$stats->{'incorrect_count'}, |
| |
$stats->{'students'}, |
| |
@extra_data). |
| |
'</td></tr>'. |
| |
'<tr>'.'<td valign="top" align="center">'. |
| |
&numerical_plot_percent($r,$responses,$stats).'</td>'. |
| |
'<td align="center" valign="top">'. |
| |
&numerical_plot_differences($r,$responses,$stats).'</td>'. |
| |
'</tr>'; |
| |
} |
| |
if ($post_message ne '') { |
| |
$analysis_html .= |
| |
'<tr><td colspan="2">'.$post_message.'</td></tr>'; |
| |
} |
| |
} |
| |
$analysis_html.='</table>'; |
| |
$r->print($analysis_html); |
| |
# |
| |
return; |
| |
} |
| |
|
| |
sub numerical_plot_percent { |
| |
my ($r,$responses,$stats) = @_; |
| |
# |
| |
my $total = $stats->{'submission_count'}; |
| |
return '' if ($total == 0); |
| |
my $max_bins = 50; |
| |
my $lowest_percent = $stats->{'min_percent'}; |
| |
my $highest_percent = $stats->{'max_percent'}; |
| |
my $percent_spread = $highest_percent - $lowest_percent; |
| |
foreach (qw/20 30 40 50 100 200/) { |
| |
if ($percent_spread < $_) { |
| |
$highest_percent =$_/2; |
| |
last; |
| |
} |
| |
} |
| |
$percent_spread = $highest_percent - $lowest_percent; |
| |
my $bin_size = 1; |
| |
foreach (qw/0.01 0.05 0.1 0.5 1 2 5 10 20 25 50 100/) { |
| |
if ($lowest_percent/2 < $_){ |
| |
$bin_size = $_; |
| |
if ( ($percent_spread/$bin_size) < $max_bins ) { |
| |
last; |
| |
} |
| |
} |
| |
} |
| |
my @bins; |
| |
for (my $bin = -$highest_percent;$bin<0;$bin+=$bin_size) { |
| |
push (@bins,$bin); |
| } |
} |
| |
for (my $bin = 0; $bin<$highest_percent;$bin+=$bin_size) { |
| |
push (@bins,$bin); |
| |
} |
| |
push(@bins,$highest_percent); |
| |
# |
| |
my @correct; |
| |
my @incorrect; |
| |
my @count; |
| |
while (my ($ans,$submissions) = each(%$responses)) { |
| |
while (my ($submission,$counts) = each(%$submissions)) { |
| |
my ($correct_count,$incorrect_count) = @$counts; |
| |
my $scaled_value = |
| |
($ans) ? 100*($submission-$ans)/abs($ans) |
| |
: 0; |
| |
if ($scaled_value < $bins[0]) { |
| |
$bins[0]=$scaled_value -1; |
| |
} |
| |
my $bin; |
| |
for ($bin=0;$bin<$#bins;$bin++) { |
| |
last if ($bins[$bin]>$scaled_value); |
| |
} |
| |
$correct[$bin-1]+=$correct_count; |
| |
$incorrect[$bin-1]+=$incorrect_count; |
| |
$count[$bin-1]+=$correct_count+$incorrect_count; |
| |
} |
| |
} |
| |
# |
| |
my @plot_correct = @correct; |
| |
my @plot_incorrect = @incorrect; |
| |
my $max; |
| |
for (my $i=0;$i<$#bins;$i++) { |
| |
$plot_correct[$i] *= 100/$total; |
| |
$plot_incorrect[$i] *= 100/$total; |
| |
if (! defined($max) || |
| |
$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
| |
$max = $plot_correct[$i]+$plot_incorrect[$i]; |
| |
} |
| |
} |
| |
foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
| |
if ($max <$_) { $max = $_; last; } |
| |
} |
| |
# |
| |
my %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Percent Difference', |
| |
'xlabel' => 'Percent Difference from Correct', |
| |
'ylabel' => 'Percent of Answers'); |
| |
my @labels = (1..scalar(@bins)-1); |
| |
my $graph = &Apache::loncommon::DrawBarGraph |
| |
($lt{'title'},$lt{'xlabel'},$lt{'ylabel'}, |
| |
$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
| |
{xskip=>1}); |
| |
# |
| |
my $table = $graph.$/. |
| |
&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
| |
return $table; |
| } |
} |
| |
|
| |
sub numerical_plot_differences { |
| |
my ($r,$responses,$stats) = @_; |
| |
# |
| |
my $total = $stats->{'submission_count'}; |
| |
return '' if ($total == 0); |
| |
my $max_bins = 21; |
| |
my $min_bin_size = $stats->{'min_abs'}; |
| |
my $low_bin = $stats->{'lowest_ans'}-$stats->{'max_bin_size'}; |
| |
my $high_bin = $stats->{'highest_ans'}+$stats->{'max_bin_size'}; |
| |
if ($high_bin > 0 && $low_bin > -$high_bin) { |
| |
$low_bin = -$high_bin; |
| |
} elsif ($low_bin < 0 && $high_bin < -$low_bin) { |
| |
$high_bin = -$low_bin; |
| |
} |
| |
if ($high_bin == $low_bin) { |
| |
$high_bin+=1; |
| |
$low_bin-=1; |
| |
} |
| |
if (!$min_bin_size || |
| |
($high_bin -$low_bin)/$min_bin_size * 2 > $max_bins) { |
| |
$min_bin_size = abs($high_bin - $low_bin) / $max_bins * 2; |
| |
} |
| |
my @bins; |
| |
for (my $num = $low_bin;$num <= $high_bin;$num+=($min_bin_size/2)) { |
| |
push(@bins,$num); |
| |
} |
| |
# |
| |
my @correct; |
| |
my @incorrect; |
| |
my @count; |
| |
while (my ($ans,$submissions) = each(%$responses)) { |
| |
while (my ($submission,$counts) = each(%$submissions)) { |
| |
my ($correct_count,$incorrect_count) = @$counts; |
| |
my $scaled_value = $submission-$ans; |
| |
if ($scaled_value < $bins[0]) { |
| |
$bins[0]=$scaled_value-1; |
| |
} |
| |
my $bin=0; |
| |
for ($bin=0;$bin<$#bins;$bin++) { |
| |
last if ($bins[$bin]>$scaled_value); |
| |
} |
| |
$correct[$bin-1]+=$correct_count; |
| |
$incorrect[$bin-1]+=$incorrect_count; |
| |
$count[$bin-1]+=$correct_count+$incorrect_count; |
| |
} |
| |
} |
| |
my @plot_correct = @correct; |
| |
my @plot_incorrect = @incorrect; |
| |
my $max; |
| |
for (my $i=0;$i<=$#bins;$i++) { |
| |
$plot_correct[$i] *= 100/$total; |
| |
$plot_incorrect[$i] *= 100/$total; |
| |
if (! defined($max) || |
| |
$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
| |
$max = $plot_correct[$i]+$plot_incorrect[$i]; |
| |
} |
| |
} |
| |
foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
| |
if ($max <$_) { $max = $_; last; } |
| |
} |
| |
# |
| |
my %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Difference between submission and correct', |
| |
'xlabel' => 'Difference from Correct', |
| |
'ylabel' => 'Percent of Answers'); |
| |
my @labels = (1..scalar(@bins)-1); |
| |
my $graph = &Apache::loncommon::DrawBarGraph |
| |
($lt{'title'},$lt{'xlabel'},$lt{'ylabel'}, |
| |
$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
| |
{xskip=>1}); |
| |
# |
| |
my $table = $graph.$/. |
| |
&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
| |
return $table; |
| |
} |
| |
|
| |
sub numerical_classify_responses { |
| |
my ($full_row_data,$correct,$function) = @_; |
| |
my %submission_data; |
| |
my %students; |
| |
my %stats; |
| |
my $max=0; |
| |
foreach my $row (@$full_row_data) { |
| |
my %subm = &hashify_attempt($row); |
| |
if (ref($correct) eq 'HASH') { |
| |
my $s_correct = $correct->{$subm{'student'}}; |
| |
$subm{'correct'} = $s_correct->{'answer'}; |
| |
foreach my $item ('unit','ans_low','ans_high') { |
| |
$subm{$item} = $s_correct->{$item}; |
| |
} |
| |
} else { # This probably never happens.... |
| |
$subm{'correct'} = $correct->{'answer'}; |
| |
$subm{'unit'} = $correct->{'unit'}; |
| |
} |
| |
# |
| |
my $abs_low =abs($subm{'correct'}-$subm{'ans_low'}); |
| |
my $abs_high=abs($subm{'correct'}-$subm{'ans_high'}); |
| |
if (! defined($stats{'min_abs'}) || |
| |
$stats{'min_abs'} > $abs_low) { |
| |
$stats{'min_abs'} = $abs_low; |
| |
} |
| |
if ($stats{'min_abs'} > $abs_high) { |
| |
$stats{'min_abs'} = $abs_high; |
| |
} |
| |
if (! defined($stats{'max_abs'}) || |
| |
$stats{'max_abs'} < $abs_low) { |
| |
$stats{'max_abs'} = $abs_low; |
| |
} |
| |
if ($stats{'max_abs'} < $abs_high) { |
| |
$stats{'max_abs'} = $abs_high; |
| |
} |
| |
my $low_percent; |
| |
my $high_percent; |
| |
if (defined($subm{'correct'}) && $subm{'correct'} != 0) { |
| |
$low_percent = 100 * abs($abs_low / $subm{'correct'}); |
| |
$high_percent = 100 * abs($abs_high / $subm{'correct'}); |
| |
} |
| |
if (! defined($stats{'min_percent'}) || |
| |
$stats{'min_percent'} > $low_percent) { |
| |
$stats{'min_percent'} = $low_percent; |
| |
} |
| |
if ($stats{'min_percent'} > $high_percent) { |
| |
$stats{'min_percent'} = $high_percent; |
| |
} |
| |
if (! defined($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]++; |
| |
} |
| |
} |
| |
} |
| |
$stats{'correct_count'} |= 0; |
| |
$stats{'incorrect_count'} |= 0; |
| |
$stats{'students'}=scalar(keys(%students)); |
| |
return (\%submission_data,\%stats); |
| |
} |
| |
|
| |
sub numerical_submission_is_correct { |
| |
my ($award) = @_; |
| |
if ($award =~ /^(APPROX_ANS|EXACT_ANS)$/) { |
| |
return 1; |
| |
} else { |
| |
return 0; |
| |
} |
| |
} |
| |
|
| |
sub numerical_submission_is_incorrect { |
| |
my ($award) = @_; |
| |
if ($award =~ /^(INCORRECT)$/) { |
| |
return 1; |
| |
} else { |
| |
return 0; |
| |
} |
| |
} |
| |
|
| |
sub numerical_bin_table { |
| |
my ($bins,$labels,$incorrect,$correct,$count)=@_; |
| |
my $table = |
| |
'<table><tr><th>'.&mt('Bar').'</th>'. |
| |
'<th colspan="3">'.&mt('Range').'</th>'. |
| |
'<th>'.&mt('Incorrect').'</th>'. |
| |
'<th>'.&mt('Correct').'</th>'. |
| |
'<th>'.&mt('Count').'</th>'. |
| |
'</tr>'.$/; |
| |
for (my $i=0;$i<scalar(@{$bins}-1);$i++) { |
| |
my $lownum = $bins->[$i]; |
| |
if ($i == 0) { $lownum = '-∞'; } |
| |
my $highnum = $bins->[$i+1]; |
| |
if ($i == scalar(@{$bins})-2) { $highnum = '∞'; } |
| |
$table .= |
| |
'<tr>'. |
| |
'<td>'.$labels->[$i].'</td>'. |
| |
'<td align="right">'.$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 $table; |
| |
} |
| |
|
| |
sub numerical_determine_answers { |
| |
my ($r,$resource,$partid,$respid,$students)=@_; |
| |
my $c = $r->connection(); |
| |
# |
| |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,scalar(@$students)); |
| |
# |
| |
# Read in the cache (if it exists) before we start timing things. |
| |
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
| |
# |
| |
my $correct; |
| |
my %answers; |
| |
foreach my $student (@$students) { |
| |
last if ($c->aborted()); |
| |
my $sname = $student->{'username'}; |
| |
my $sdom = $student->{'domain'}; |
| |
# analyze problem |
| |
my $analysis = |
| |
&Apache::lonstathelpers::analyze_problem_as_student($resource, |
| |
$sname, |
| |
$sdom); |
| |
# make the key |
| |
my $key = $partid.'.'.$respid; |
| |
# pick one of the possible answers |
| |
my $which = 'INTERNAL'; |
| |
if (!exists($analysis->{$key}{$which})) { |
| |
$which = (sort(keys(%{ $analysis->{$key} })))[0]; |
| |
} |
| |
foreach my $item ('answer','unit','ans_high','ans_low') { |
| |
if (ref($analysis->{$key.'.'.$item}) eq 'ARRAY') { |
| |
$correct->{$sname.':'.$sdom}->{$item} = |
| |
$analysis->{$key.'.'.$item}[0]; |
| |
} else { |
| |
$correct->{$sname.':'.$sdom}->{$item} = |
| |
$analysis->{$key.'.'.$item}{$which}[0][0]; |
| |
} |
| |
} |
| |
$answers{$correct->{$sname.':'.$sdom}{'answer'}}++; |
| |
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
| |
'last student'); |
| |
} |
| |
&Apache::lonstathelpers::write_analysis_cache(); |
| |
&Apache::lonhtmlcommon::Close_PrgWin($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 $result; |
| |
} |
| |
|
| |
## |
| |
## Helper subroutines for <drawimage>. |
| |
## These should probably go somewhere more suitable soon. |
| |
sub line { |
| |
my ($x1,$y1,$x2,$y2,$color,$thickness) = @_; |
| |
return qq{<line x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" />}; |
| |
} |
| |
|
| |
sub text { |
| |
my ($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" >$text</text>}; |
| |
} |
| |
|
| |
sub rectangle { |
| |
my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_; |
| |
return qq{<rectangle x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" filled="$filled" />}; |
| |
} |
| |
|
| |
sub arc { |
| |
my ($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="$filled" />}; |
| |
} |
| |
|
| |
sub circle { |
| |
my ($x,$y,$radius,$color,$thickness,$filled)=@_; |
| |
return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); |
| |
} |
| |
|
| ######################################################### |
######################################################### |
| ######################################################### |
######################################################### |
| ## |
## |
| ## Misc interface routines use by analysis code |
## 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::get_selected_sections()], |
| |
[&Apache::lonstatistics::get_selected_groups()], |
| |
$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'}.':'.$student->{'domain'}}= |
| |
&unescape($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 = '<div class="LC_warning">' |
| |
.&mt('There is no submission data for this resource.') |
| |
.'</div>'; |
| |
$r->print($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)}; |
| |
$correct_foil_title = &mt('Attempt [_1]',$plot_num); |
| |
$incorrect_foil_title = &mt('Attempt [_1]',$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) { |
| |
my $title = &mt('Correct Concepts'); |
| |
$concept_plot = &RR_concept_plot($concepts,$foil_choice_data, |
| |
$title); |
| |
} |
| |
# % 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'}; |
| |
$correct |= 0; |
| |
my $incorrect = $foil_choice_data->{'_count'}-$correct; |
| |
$analysis_html.= '<tr><td colspan="4" align="center">'. |
| |
'<font size="+1">'. |
| |
&mt($pre_graph_text, |
| |
$plot_num,$foil_choice_data->{'_count'}, |
| |
$correct, |
| |
$incorrect, |
| |
$foil_choice_data->{'_students'}, |
| |
@extra_data). |
| |
'</td></tr>'.$/; |
| |
$analysis_html.= |
| |
'<tr>'. |
| |
'<td>'.$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 '') { |
| |
$analysis_html.='<tr><td colspan="4" align="center">'. |
| |
'<div class="LC_warning">'. |
| |
&mt($no_data_text, |
| |
$plot_num,$foil_choice_data->{'_count'}, |
| |
$correct, |
| |
$foil_choice_data->{'_count'}-$correct, |
| |
@extra_data). |
| |
'</div>'; |
| |
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 = &mt('concept'); |
| |
my $ylabel = &mt('Percent Choosing'); |
| |
my $plot= &Apache::loncommon::DrawBarGraph($title, |
| |
$xlabel, |
| |
$ylabel, |
| |
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 = &mt('foil chosen'); |
| |
my $ylabel = &mt('Percent Choosing'); |
| |
my $plot= &Apache::loncommon::DrawBarGraph($title, |
| |
$xlabel, |
| |
$ylabel, |
| |
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 $xlabel = &mt('Correct Foil'); |
| |
my $ylabel = &mt('foils chosen Incorrectly'); |
| |
my $graph = &Apache::loncommon::DrawBarGraph |
| |
($title,$xlabel,$ylabel, |
| |
100,$plotcolors,\@labels,\@empty_row,@dataset); |
| |
return ($graph,\%count_per_foil); |
| |
} |
| |
|
| |
|
| |
######################################################### |
| |
######################################################### |
| |
## |
| |
## Misc routines |
| |
## |
| |
######################################################### |
| |
######################################################### |
| |
|
| |
# if $correct is a hash ref, it is assumed to be indexed by student names. |
| |
# the values are assumed to be hash refs with a key of 'answer'. |
| |
sub classify_response_data { |
| |
my ($full_row_data,$correct,$function) = @_; |
| |
my %submission_data; |
| |
my %students; |
| |
my $max=0; |
| |
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'})) { |
| |
$submission_data{'_correct'}++; |
| |
} |
| |
|
| |
if($max<++$submission_data{$subm{'correct'}}->{$subm{'submission'}}) { |
| |
$max=$submission_data{$subm{'correct'}}->{$subm{'submission'}}; |
| |
} |
| |
} |
| |
} |
| |
$submission_data{'_max'} = $max; |
| |
$submission_data{'_students'}=scalar(keys(%students)); |
| |
return \%submission_data; |
| |
} |
| |
|
| |
|
| |
######################################################### |
| |
######################################################### |
| |
## |
| |
## Option Response Routines |
| |
## |
| |
######################################################### |
| |
######################################################### |
| |
sub OptionResponseAnalysis { |
| |
my ($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::get_selected_sections()], |
| |
[&Apache::lonstatistics::get_selected_groups()], |
| |
$Apache::lonstatistics::enrollment_status, |
| |
$resource->symb,$respid); |
| |
if (! defined($PerformanceData) || |
| |
ref($PerformanceData) ne 'ARRAY' ) { |
| |
$r->print('<div class="LC_warning">' |
| |
.&mt('There is no student data for this problem.') |
| |
.'</div>' |
| |
); |
| |
} 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 { |
| |
$r->print('div class="LC_warning"' |
| |
.&mt('The analysis you have selected is not supported at this time.') |
| |
.'</div>' |
| |
); |
| |
} |
| |
} |
| |
} |
| |
|
| |
######################################################### |
| |
# |
| |
# Option Response: tries Analysis |
| |
# |
| |
######################################################### |
| |
sub OR_tries_analysis { |
| |
my ($r,$PerformanceData,$ORdata) = @_; |
| |
my $mintries = 1; |
| |
my $maxtries = $env{'form.NumPlots'}; |
| |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
| |
if (! defined($Concepts)) { |
| |
$Concepts = []; |
| |
} |
| |
my %response_data = &OR_analyze_by_tries($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 |
| |
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) { |
| |
$analysis_html.= '<tr><td colspan="4">' |
| |
.'<div class="LC_info">' |
| |
.&mt('None of the selected students attempted the problem more than [quant,_1,time].' |
| |
,$try-1) |
| |
.'</div>' |
| |
.'</td></tr>'; |
| |
} else { |
| |
$analysis_html.= '<tr><td colspan="4">' |
| |
.'<div class="LC_info">' |
| |
.&mt('None of the selected students have attempted the problem.') |
| |
.'</div>' |
| |
.'</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); |
| |
} |
| |
} |
| |
# |
| |
my %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Correct Concepts', |
| |
'xlabel' => 'Concept Number', |
| |
'ylabel' => 'Percent Correct'); |
| |
$concept_graph = &Apache::loncommon::DrawBarGraph |
| |
($lt{'title'},$lt{'xlabel'},$lt{'ylabel'}, |
| |
100,$plotcolors,undef,\@concept_plot_data,{xskip=>1}); |
| |
} |
| |
# |
| |
# Create Foil Plots |
| |
my $data_count = $response_data{'_total'}->[$try]; |
| |
my $correct = $response_data{'_correct'}->[$try]; |
| |
$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 %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Correct Statements', |
| |
'xlabel' => 'Statement', |
| |
'ylabel' => '% Answered Correct'); |
| |
my $correct_graph = &Apache::loncommon::DrawBarGraph |
| |
($lt{'title'},$lt{'xlabel'},$lt{'ylabel'}, |
| |
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]; |
| |
%lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Incorrect Statements', |
| |
'xlabel' => 'Statement', |
| |
'ylabel' => '% Chosen Incorrectly'); |
| |
my $incorrect_graph = &Apache::loncommon::DrawBarGraph |
| |
($lt{'title'},$lt{'xlabel'},$lt{'ylabel'}, |
| |
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 $table; |
| |
} |
| |
|
| |
sub OR_analyze_by_tries { |
| |
my ($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; |
| |
} |
| |
|
| |
######################################################### |
| |
# |
| |
# 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 = '<p class="LC_info">'. |
| |
&mt('Not enough data for concept analysis.'. |
| |
' Performing Foil Analysis instead.'). |
| |
'</p>'. |
| |
$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); |
| |
$correct |= 0; |
| |
## |
| |
$table .= '<tr><td colspan="4" align="center"><font size="+1">'. |
| |
&mt('[quant,_1,submission,submissions,No submissions] from [quant,_2,student], [_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 ('<div class="LC_warning">' |
| |
.&mt('There is no data to plot.') |
| |
.'</div>' |
| |
,'' |
| |
); |
| |
} |
| |
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 %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Correct Statements', |
| |
'xlabel' => 'Statement Number', |
| |
'ylabel' => 'Percent Correct'); |
| |
my $correct_plot = &Apache::loncommon::DrawBarGraph($lt{'title'}, |
| |
$lt{'xlabel'}, |
| |
$lt{'ylabel'}, |
| |
100, |
| |
$plotcolors, |
| |
undef, |
| |
$plotdata[0], |
| |
{xskip=>1}); |
| |
for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { |
| |
$plotdata[0]->[$j]=0; |
| |
} |
| |
%lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Incorrect Statements', |
| |
'xlabel' => 'Statement Number', |
| |
'ylabel' => 'Incorrect Option Choice'); |
| |
my $incorrect_plot = |
| |
&Apache::loncommon::DrawBarGraph($lt{'title'}, |
| |
$lt{'xlabel'}, |
| |
$lt{'ylabel'}, |
| |
100, |
| |
$plotcolors, |
| |
undef, |
| |
@plotdata,{xskip=>1}); |
| |
return ($correct_plot,$incorrect_plot); |
| |
} |
| |
|
| |
sub OR_Concept_Time_Analysis { |
| |
my ($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 / $total); |
| |
} |
| |
} |
| |
# |
| |
# Create the plot |
| |
my %lt = &Apache::lonlocal::texthash( |
| |
'title' => 'Correct Concepts', |
| |
'xlabel' => 'Concept Number', |
| |
'ylabel' => 'Percent Correct'); |
| |
return &Apache::loncommon::DrawBarGraph($lt{'title'}, |
| |
$lt{'xlabel'}, |
| |
$lt{'ylabel'}, |
| |
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 build_foil_index { |
sub build_foil_index { |
| my ($ORdata) = @_; |
my ($ORdata) = @_; |
| my %Foildata = %{$ORdata->{'Foils'}}; |
return if (! exists($ORdata->{'_Foils'})); |
| |
my %Foildata = %{$ORdata->{'_Foils'}}; |
| my @Foils = sort(keys(%Foildata)); |
my @Foils = sort(keys(%Foildata)); |
| my %Concepts; |
my %Concepts; |
| foreach my $foilid (@Foils) { |
foreach my $foilid (@Foils) { |
| push(@{$Concepts{$Foildata{$foilid}->{'Concept'}}}, |
push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}}, |
| $foilid); |
$foilid); |
| } |
} |
| undef(@Foils); |
undef(@Foils); |
|
Line 171 sub build_foil_index {
|
Line 1760 sub build_foil_index {
|
| eight => 8, |
eight => 8, |
| nine => 9, |
nine => 9, |
| ten => 10,); |
ten => 10,); |
| my $a1 = $a; |
my $a1 = lc($a); |
| my $b1 = $b; |
my $b1 = lc($b); |
| if (exists($Numbers{lc($a)})) { |
if (exists($Numbers{$a1})) { |
| $a1 = $Numbers{lc($a)}; |
$a1 = $Numbers{$a1}; |
| } |
} |
| if (exists($Numbers{lc($b)})) { |
if (exists($Numbers{$b1})) { |
| $b1 = $Numbers{lc($b)}; |
$b1 = $Numbers{$b1}; |
| |
} |
| |
if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) { |
| |
return $a1 <=> $b1; |
| |
} else { |
| |
return $a1 cmp $b1; |
| } |
} |
| $a1 cmp $b1; |
|
| }; |
}; |
| my @Concepts; |
my @Concepts; |
| foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
| |
if (! defined($Concepts{$concept})) { |
| |
$Concepts{$concept}=[]; |
| |
# next; |
| |
} |
| push(@Concepts,{ name => $concept, |
push(@Concepts,{ name => $concept, |
| foils => [@{$Concepts{$concept}}]}); |
foils => [@{$Concepts{$concept}}]}); |
| push(@Foils,(@{$Concepts{$concept}})); |
push(@Foils,(@{$Concepts{$concept}})); |
| } |
} |
| # |
# |
| # Build up the table of row labels. |
# Build up the table of row labels. |
| my $table = '<table border="1" >'."\n"; |
my $table = &Apache::loncommon::start_data_table(); |
| if (@Concepts > 1) { |
if (@Concepts > 1) { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_header_row(). |
| '<th>'.&mt('Concept Number').'</th>'. |
'<th>'.&mt('Concept Number').'</th>'. |
| '<th>'.&mt('Concept').'</th>'. |
'<th>'.&mt('Concept').'</th>'. |
| '<th>'.&mt('Foil Number').'</th>'. |
'<th>'.&mt('Foil Number').'</th>'. |
| '<th>'.&mt('Foil Name').'</th>'. |
'<th>'.&mt('Foil Name').'</th>'. |
| '<th>'.&mt('Foil Text').'</th>'. |
'<th>'.&mt('Foil Text').'</th>'. |
| '<th>'.&mt('Correct Value').'</th>'. |
'<th>'.&mt('Correct Value').'</th>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_header_row(); |
| } else { |
} else { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_header_row(). |
| '<th>'.&mt('Foil Number').'</th>'. |
'<th>'.&mt('Foil Number').'</th>'. |
| '<th>'.&mt('Foil Name').'</th>'. |
'<th>'.&mt('Foil Name').'</th>'. |
| '<th>'.&mt('Foil Text').'</th>'. |
'<th>'.&mt('Foil Text').'</th>'. |
| '<th>'.&mt('Correct Value').'</th>'. |
'<th>'.&mt('Correct Value').'</th>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_header_row(); |
| } |
} |
| my $conceptindex = 1; |
my $conceptindex = 1; |
| my $foilindex = 1; |
my $foilindex = 1; |
|
Line 213 sub build_foil_index {
|
Line 1810 sub build_foil_index {
|
| my @FoilsInConcept = @{$concept->{'foils'}}; |
my @FoilsInConcept = @{$concept->{'foils'}}; |
| my $firstfoil = shift(@FoilsInConcept); |
my $firstfoil = shift(@FoilsInConcept); |
| if (@Concepts > 1) { |
if (@Concepts > 1) { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_row(). |
| '<td>'.$conceptindex.'</td>'. |
'<td>'.$conceptindex.'</td>'. |
| '<td>'.$concept->{'name'}.'</td>'. |
'<td>'.&HTML::Entities::encode($concept->{'name'},'<>&"').'</td>'. |
| '<td>'.$foilindex++.'</td>'. |
'<td>'.$foilindex++.'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_row(); |
| } else { |
} else { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_row(). |
| '<td>'.$foilindex++.'</td>'. |
'<td>'.$foilindex++.'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
| '<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_row(); |
| } |
} |
| foreach my $foilid (@FoilsInConcept) { |
foreach my $foilid (@FoilsInConcept) { |
| if (@Concepts > 1) { |
if (@Concepts > 1) { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_row(). |
| '<td></td>'. |
'<td></td>'. |
| '<td></td>'. |
'<td></td>'. |
| '<td>'.$foilindex.'</td>'. |
'<td>'.$foilindex.'</td>'. |
| '<td>'.$Foildata{$foilid}->{'name'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'. |
| '<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
| '<td>'.$Foildata{$foilid}->{'value'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_row(); |
| } else { |
} else { |
| $table .= '<tr>'. |
$table .= &Apache::loncommon::start_data_table_row(). |
| '<td>'.$foilindex.'</td>'. |
'<td>'.$foilindex.'</td>'. |
| '<td>'.$Foildata{$foilid}->{'name'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'. |
| '<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
| '<td>'.$Foildata{$foilid}->{'value'}.'</td>'. |
'<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'. |
| "</tr>\n"; |
&Apache::loncommon::end_data_table_row(); |
| } |
} |
| } continue { |
} continue { |
| $foilindex++; |
$foilindex++; |
|
Line 253 sub build_foil_index {
|
Line 1850 sub build_foil_index {
|
| } continue { |
} continue { |
| $conceptindex++; |
$conceptindex++; |
| } |
} |
| $table .= "</table>\n"; |
$table .= &Apache::loncommon::end_data_table(); |
| # |
# |
| # Build option index with color stuff |
# Build option index with color stuff |
| return ($table,\@Foils,\@Concepts); |
return ($table,\@Foils,\@Concepts); |
|
Line 264 sub build_option_index {
|
Line 1861 sub build_option_index {
|
| my $table = "<table>\n"; |
my $table = "<table>\n"; |
| my $optionindex = 0; |
my $optionindex = 0; |
| my @Rows; |
my @Rows; |
| foreach my $option ('correct',@{$ORdata->{'Options'}}) { |
foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) { |
| |
my $color = $plotcolors->[$optionindex++]; |
| push (@Rows, |
push (@Rows, |
| '<tr>'. |
'<tr>'. |
| '<td bgcolor="'.$plotcolors->[$optionindex++].'">'. |
'<td bgcolor="'.$color.'">'. |
| (' 'x4).'</td>'. |
'<font color="'.$color.'">'.('*'x3).'</font>'.'</td>'. |
| '<td>'.$option.'</td>'. |
'<td>'.&HTML::Entities::encode($option,'<>&"').'</td>'. |
| "</tr>\n"); |
"</tr>\n"); |
| } |
} |
| |
shift(@Rows); # Throw away 'correct option chosen' color |
| $table .= join('',reverse(@Rows)); |
$table .= join('',reverse(@Rows)); |
| $table .= "</table>\n"; |
$table .= "</table>\n"; |
| } |
} |
| |
|
| ######################################################### |
sub build_foil_key { |
| ######################################################### |
my ($foils,$extra_data)= @_; |
| ## |
if (! defined($extra_data)) { $extra_data = {}; } |
| ## Tries Analysis |
my $table = "<table>\n"; |
| ## |
my $foil_index = 0; |
| ######################################################### |
my @rows; |
| ######################################################### |
foreach my $foil (&mt('correct foil chosen'),@{$foils}) { |
| sub tries_analysis { |
my $color = $plotcolors->[$foil_index++]; |
| my ($PerformanceData,$ORdata) = @_; |
push (@rows, |
| my $mintries = 1; |
'<tr>'. |
| my $maxtries = $ENV{'form.NumPlots'}; |
'<td bgcolor="'.$color.'" class="key">'. |
| my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
'<font color="'.$color.'">'.('*'x4).'</font></td>'. |
| if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { |
'<td>'.&HTML::Entities::encode($foil,'<>&"'). |
| $table = '<h3>'. |
(' 'x2).$extra_data->{$foil}.'</td>'. |
| &mt('Not enough data for concept analysis. '. |
"</tr>\n"); |
| 'Performing Foil Analysis'). |
|
| '</h3>'.$table; |
|
| $ENV{'form.AnalyzeAs'} = 'Foils'; |
|
| } |
|
| my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
|
| $mintries,$maxtries); |
|
| # |
|
| # Compute the data neccessary to make the plots |
|
| my @PlotData; # Array which holds the data for each plot |
|
| # @{$PlotData[$try]->{'datasetname'}} holds the data for |
|
| # try $try with respect to 'datasetname'. The array is |
|
| # filled either with per-foil or per-concept data. |
|
| my ($extrakey,$xlabel,$ylabel); |
|
| if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
| $extrakey = &build_option_index($ORdata); |
|
| $xlabel = 'Foil Number'; |
|
| $ylabel = 'Option Chosen'; |
|
| foreach my $foilid (@$Foils) { |
|
| for (my $i=$mintries;$i<=$maxtries;$i++) { |
|
| foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
|
| push(@{$PlotData[$i]->{'_total'}}, |
|
| $ResponseData{$foilid}->[$i]->{'_total'}); |
|
| if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
|
| push (@{$PlotData[$i]->{$option}},0); |
|
| } else { |
|
| push (@{$PlotData[$i]->{$option}}, |
|
| 100 * $ResponseData{$foilid}->[$i]->{$option} / |
|
| $ResponseData{$foilid}->[$i]->{'_total'}); |
|
| } |
|
| } |
|
| } |
|
| } |
|
| } else { |
|
| # Concept analysis |
|
| # |
|
| # Note: we do not bother with characterizing the students incorrect |
|
| # answers at the concept level because an incorrect answer for one foil |
|
| # may be a correct answer for another foil. |
|
| $extrakey = ''; |
|
| $xlabel = 'Concept Number'; |
|
| $ylabel = 'Percent Correct'; |
|
| my %ConceptData; |
|
| foreach my $concept (@{$Concepts}) { |
|
| for (my $i=$mintries;$i<=$maxtries;$i++) { |
|
| # |
|
| # Gather the per-attempt data |
|
| my $cdata = $ConceptData{$concept}->[$i]; |
|
| foreach my $foilid (@{$concept->{'foils'}}) { |
|
| $cdata->{'_correct'} += |
|
| $ResponseData{$foilid}->[$i]->{'_correct'}; |
|
| $cdata->{'_total'} += |
|
| $ResponseData{$foilid}->[$i]->{'_total'}; |
|
| } |
|
| push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
|
| if ($cdata->{'_total'} == 0) { |
|
| push (@{$PlotData[$i]->{'_correct'}},0); |
|
| } else { |
|
| push (@{$PlotData[$i]->{'_correct'}}, |
|
| 100*$cdata->{'_correct'}/$cdata->{'_total'}); |
|
| } |
|
| } |
|
| } |
|
| } # End of work to fill @PlotData |
|
| # |
|
| # Build a table for the plots |
|
| $table .= "<table>\n"; |
|
| my @Plots; |
|
| for (my $i=$mintries;$i<=$maxtries;$i++) { |
|
| my $minstu = $PlotData[$i]->{'_total'}->[0]; |
|
| my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
|
| foreach my $count (@{$PlotData[$i]->{'_total'}}) { |
|
| if ($minstu > $count) { |
|
| $minstu = $count; |
|
| } |
|
| if ($maxstu < $count) { |
|
| $maxstu = $count; |
|
| } |
|
| } |
|
| $maxstu = 0 if (! defined($maxstu)); |
|
| $minstu = 0 if (! defined($minstu)); |
|
| my $title; |
|
| if ($maxstu == $minstu) { |
|
| $title = 'Attempt '.$i.', '.$maxstu.' students'; |
|
| } else { |
|
| $title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
|
| } |
|
| my @Datasets; |
|
| foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
|
| next if (! exists($PlotData[$i]->{$option})); |
|
| push(@Datasets,$PlotData[$i]->{$option}); |
|
| } |
|
| my $graphlink = &Apache::loncommon::DrawGraph($title, |
|
| $xlabel, |
|
| $ylabel, |
|
| 100, |
|
| $plotcolors, |
|
| @Datasets); |
|
| push(@Plots,$graphlink); |
|
| } |
|
| # |
|
| # Should this be something the user can set? Too many dialogs! |
|
| while (my $plotlink = shift(@Plots)) { |
|
| $table .= '<tr><td>'.$plotlink.'</td><td>'.$extrakey."</td></tr>\n"; |
|
| } |
} |
| |
shift(@rows); # Throw away 'correct foil chosen' color |
| |
$table .= join('',reverse(@rows)); |
| $table .= "</table>\n"; |
$table .= "</table>\n"; |
| return ($table); |
|
| } |
|
| |
|
| sub analyze_option_data_by_tries { |
|
| my ($PerformanceData,$mintries,$maxtries) = @_; |
|
| my %Trydata; |
|
| $mintries = 1 if (! defined($mintries) || $mintries < 1); |
|
| $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
|
| foreach my $row (@$PerformanceData) { |
|
| next if (! defined($row)); |
|
| my ($grading,$submission,$time,$tries) = @$row; |
|
| next if ($grading eq 'MISSING_ANSWER'); |
|
| my @Foilgrades = split('&',$grading); |
|
| my @Foilsubs = split('&',$submission); |
|
| for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
|
| if ($tries == $numtries) { |
|
| for (my $i=0;$i<=$#Foilgrades;$i++) { |
|
| my ($foilid,$correct) = split('=',$Foilgrades[$i]); |
|
| my (undef,$submission) = split('=',$Foilsubs[$i]); |
|
| $submission = &HTML::Entities::decode($submission); |
|
| $submission =~ s/\%20/ /g; |
|
| if ($correct) { |
|
| $Trydata{$foilid}->[$numtries]->{'_correct'}++; |
|
| } else { |
|
| $Trydata{$foilid}->[$numtries]->{$submission}++; |
|
| } |
|
| $Trydata{$foilid}->[$numtries]->{'_total'}++; |
|
| } |
|
| } |
|
| } |
|
| } |
|
| return %Trydata; |
|
| } |
} |
| |
|
| ######################################################### |
######################################################### |
| ######################################################### |
######################################################### |
| ## |
## |
| ## Time Analysis |
## Generic Interface Routines |
| ## |
|
| ######################################################### |
|
| ######################################################### |
|
| sub time_analysis { |
|
| my ($PerformanceData,$ORdata) = @_; |
|
| my $num_plots = $ENV{'form.NumPlots'}; |
|
| my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
| my $num_data = scalar(@$PerformanceData)-1; |
|
| my $percent = sprintf('%2f',100/$num_plots); |
|
| my $extratable = ''; |
|
| if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
| $extratable = &build_option_index($ORdata); |
|
| } |
|
| $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); |
|
| my ($begin_index,$end_index,$plottitle,$plothtml,$data); |
|
| if (! defined($starttime) || ! defined($endtime)) { |
|
| $begin_index = $i*int($num_data/$num_plots); |
|
| $end_index = ($i+1)*int($num_data/$num_plots); |
|
| my $lownum = sprintf('%2.1f',$i*$percent); |
|
| $lownum =~ s/(\.0)$//; |
|
| my $highnum = sprintf('%2.1f',($i+1)*$percent); |
|
| $highnum =~ s/(\.0)$//; |
|
| $plottitle = $lownum.'% to '.$highnum.'% of submissions'; |
|
| } else { |
|
| my $j; |
|
| while (++$j < scalar(@$PerformanceData)) { |
|
| last if ($PerformanceData->[$j]->[2] > $starttime); |
|
| } |
|
| $begin_index = $j; |
|
| while (++$j < scalar(@$PerformanceData)) { |
|
| last if ($PerformanceData->[$j]->[2] > $endtime); |
|
| } |
|
| $end_index = $j; |
|
| $plottitle = $ENV{'form.plottitle_'.$i}; |
|
| } |
|
| ($plothtml,$starttime,$endtime,$data) = |
|
| &analyze_option_data_by_time($PerformanceData, |
|
| $begin_index,$end_index, |
|
| $plottitle,$Foils, |
|
| $Concepts,$ORdata); |
|
| my $startdateform = &Apache::lonhtmlcommon::date_setter |
|
| ('Statistics','startdate_'.$i,$starttime); |
|
| my $enddateform = &Apache::lonhtmlcommon::date_setter |
|
| ('Statistics','enddate_'.$i,$endtime); |
|
| $table.="<tr><td>".$plothtml.'</td><td align="left" valign="top">'. |
|
| "<b>Start Time</b>: ".$startdateform."<br />". |
|
| "<b>End Time</b> : "." ".$enddateform."<br />". |
|
| '<b>Plot Title</b> :'.(" "x3). |
|
| '<input type="text" size="30" name="plottitle_'.$i.'" value="'. |
|
| &HTML::Entities::encode($plottitle).'" /><br />'.$extratable. |
|
| "</td></tr>\n"; |
|
| } |
|
| $table .="</table>\n"; |
|
| return $table; |
|
| } |
|
| |
|
| sub analyze_option_data_by_time { |
|
| my ($PerformanceData,$begin_index, |
|
| $end_index,$description,$Foils,$Concepts,$ORdata) = @_; |
|
| my %TimeData; |
|
| # |
|
| # Get the start and end times for this segment of the plot |
|
| my $starttime = $PerformanceData->[$begin_index]->[2]; |
|
| my $endtime = $PerformanceData->[$end_index ]->[2]; |
|
| # |
|
| # Compute the number getting the foils correct or incorrects |
|
| for (my $i=$begin_index;$i<=$end_index;$i++) { |
|
| my $row = $PerformanceData->[$i]; |
|
| next if (! defined($row)); |
|
| my ($grading,$submission,$time,$tries) = @$row; |
|
| next if ($grading eq 'MISSING_ANSWER'); |
|
| my @Foilgrades = split('&',$grading); |
|
| my @Foilsubs = split('&',$submission); |
|
| for (my $j=0;$j<=$#Foilgrades;$j++) { |
|
| my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
|
| my (undef,$submission) = split('=',$Foilsubs[$j]); |
|
| if ($correct) { |
|
| $TimeData{$foilid}->{'_correct'}++; |
|
| } else { |
|
| $submission = &HTML::Entities::decode($submission); |
|
| $submission =~ s/\%20/ /g; |
|
| $TimeData{$foilid}->{$submission}++; |
|
| } |
|
| $TimeData{$foilid}->{'_total'}++; |
|
| } |
|
| } |
|
| # |
|
| # Compute the total and percent correct |
|
| my @Plotdata; |
|
| my ($xlabel,$ylabel); |
|
| if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
| $xlabel = 'Foil Number'; |
|
| $ylabel = 'Option Chosen'; |
|
| foreach my $foil (@$Foils) { |
|
| my $total = $TimeData{$foil}->{'_total'}; |
|
| my $optionidx = 0; |
|
| foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
|
| if ($total > 0) { |
|
| push(@{$Plotdata[$optionidx]}, |
|
| 100 * $TimeData{$foil}->{$option} / $total); |
|
| } else { |
|
| push(@{$Plotdata[$optionidx]},0); |
|
| } |
|
| } continue { |
|
| $optionidx++; |
|
| } |
|
| } |
|
| } else { |
|
| $xlabel = 'Concept Number'; |
|
| $ylabel = 'Percent Correct'; |
|
| foreach my $concept (@$Concepts) { |
|
| my $correct; |
|
| my $total; |
|
| foreach my $foil (@{$concept->{'foils'}}) { |
|
| $correct+=$TimeData{$foil}->{'_correct'}; |
|
| $total +=$TimeData{$foil}->{'_total'}; |
|
| } |
|
| if ($total > 0) { |
|
| push(@{$Plotdata[0]},100 * $correct / $total); |
|
| } else { |
|
| push(@{$Plotdata[0]},0); |
|
| } |
|
| } |
|
| } |
|
| # |
|
| # Create the plot |
|
| my $graphlink = &Apache::loncommon::DrawGraph |
|
| ($description,#'Time Interval Analysis', |
|
| $xlabel, |
|
| $ylabel, |
|
| 100, |
|
| $plotcolors, |
|
| @Plotdata); |
|
| # |
|
| return ($graphlink,$starttime,$endtime,\%TimeData); |
|
| } |
|
| |
|
| ######################################################### |
|
| ######################################################### |
|
| ## |
|
| ## Interface |
|
| ## |
## |
| ######################################################### |
######################################################### |
| ######################################################### |
######################################################### |
| sub CreateInterface { |
sub CreateInterface { |
| ## |
## |
| ## Environment variable initialization |
## Environment variable initialization |
| if (! exists$ENV{'form.AnalyzeOver'}) { |
if (! exists($env{'form.AnalyzeOver'})) { |
| $ENV{'form.AnalyzeOver'} = 'Tries'; |
$env{'form.AnalyzeOver'} = 'tries'; |
| } |
} |
| ## |
## |
| ## Build the menu |
## Build the menu |
| my $Str = ''; |
my $Str = ''; |
| $Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<p>'; |
| $Str .= '<tr>'; |
$Str .= &Apache::loncommon::start_data_table(); |
| $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
$Str .= &Apache::loncommon::start_data_table_header_row(); |
| $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; |
$Str .= '<th>'.&mt('Sections').'</th>'; |
| # $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; |
$Str .= '<th>'.&mt('Groups').'</th>'; |
| $Str .= '<td align="center"> </td>'; |
$Str .= '<th>'.&mt('Access Status').'</th>'; |
| $Str .= '</tr>'."\n"; |
$Str .= '<th>'.&mt('Options').'</th>'; |
| |
$Str .= &Apache::loncommon::end_data_table_header_row(); |
| ## |
## |
| ## |
## |
| $Str .= '<tr><td align="center">'."\n"; |
$Str .= &Apache::loncommon::start_data_table_row(); |
| |
$Str .= '<td align="center">'."\n"; |
| $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
| $Str .= '</td>'; |
$Str .= '</td>'; |
| # |
# |
| |
$Str .= '<td align="center">'."\n"; |
| |
$Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5); |
| |
$Str .= '</td>'; |
| |
# |
| $Str .= '<td align="center">'; |
$Str .= '<td align="center">'; |
| $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
| $Str .= '</td>'; |
$Str .= '</td>'; |
| # |
# |
| # $Str .= '<td align="center">'; |
|
| my $only_seq_with_assessments = sub { |
|
| my $s=shift; |
|
| if ($s->{'num_assess'} < 1) { |
|
| return 0; |
|
| } else { |
|
| return 1; |
|
| } |
|
| }; |
|
| &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
|
| $only_seq_with_assessments); |
|
| ## |
## |
| ## |
## |
| $Str .= '<td>'; |
$Str .= '<td valign="top">'; |
| { # These braces are here to organize the code, not scope it. |
## |
| { |
my $showprob_checkbox = |
| $Str .= '<nobr>'.&mt('Analyze Over '); |
'<input type="checkbox" name="show_prob" value="true"'; |
| $Str .='<select name="AnalyzeOver" >'; |
if ($env{'form.show_prob'} eq 'true') { |
| $Str .= '<option value="Tries" '; |
$showprob_checkbox .= ' checked="checked"'; |
| if (! exists($ENV{'form.AnalyzeOver'}) || |
|
| $ENV{'form.AnalyzeOver'} eq 'Tries'){ |
|
| # Default to Tries |
|
| $Str .= ' selected '; |
|
| } |
|
| $Str .= '>'.&mt('Tries').'</option>'; |
|
| $Str .= '<option value="Time" '; |
|
| $Str .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'Time'); |
|
| $Str .= '>'.&mt('Time').'</option>'; |
|
| $Str .= '</select></nobr><br />'; |
|
| } |
|
| { |
|
| $Str .= '<nobr>'.&mt('Analyze as '); |
|
| $Str .='<select name="AnalyzeAs" >'; |
|
| $Str .= '<option value="Concepts" '; |
|
| if (! exists($ENV{'form.AnalyzeAs'}) || |
|
| $ENV{'form.AnalyzeAs'} eq 'Concepts'){ |
|
| # Default to Concepts |
|
| $Str .= ' selected '; |
|
| } |
|
| $Str .= '>'.&mt('Concepts').'</option>'; |
|
| $Str .= '<option value="Foils" '; |
|
| $Str .= ' selected ' if ($ENV{'form.AnalyzeAs'} eq 'Foils'); |
|
| $Str .= '>'.&mt('Foils').'</option>'; |
|
| $Str .= '</select></nobr><br />'; |
|
| } |
|
| { |
|
| $Str .= '<br /><nobr>'.&mt('Number of Plots:'); |
|
| $Str .= '<select name="NumPlots">'; |
|
| if (! exists($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) { |
|
| $Str .= '<option value="'.$i.'" '; |
|
| if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; } |
|
| $Str .= '>'.$i.'</option>'; |
|
| } |
|
| $Str .= '</select></nobr>'; |
|
| } |
|
| } |
} |
| $Str .= '</td>'; |
$showprob_checkbox.= ' />'; |
| |
$Str.= '<span class="LC_nobreak"><label>'. |
| |
$showprob_checkbox.' '.&mt('Show problem'). |
| |
'</label></span><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="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 .= '<span class="LC_nobreak"><label>'. |
| |
&mt('Analyze Over [_1] [_2]', |
| |
$analyze_selector, |
| |
&Apache::loncommon::help_open_topic('Analysis_Analyze_Over')). |
| |
'</label></span><br />'.$/; |
| ## |
## |
| $Str .= '</tr>'."\n"; |
my $numplots_selector = '<select name="NumPlots">'; |
| $Str .= '</table>'."\n"; |
if (! exists($env{'form.NumPlots'}) |
| return ($Str); |
|| $env{'form.NumPlots'} < 1 |
| } |
|| $env{'form.NumPlots'} > 20) { |
| |
$env{'form.NumPlots'} = 5; |
| sub OptionResponseProblemSelector { |
} |
| my $Str; |
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
| $Str = "\n<table>\n"; |
$numplots_selector .= '<option value="'.$i.'" '; |
| foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
if ($env{'form.NumPlots'} == $i) { $numplots_selector.=' selected="selected" '; } |
| next if ($seq->{'num_assess'}<1); |
$numplots_selector .= '>'.$i.'</option>'; |
| my $seq_str = ''; |
|
| foreach my $res (@{$seq->{'contents'}}) { |
|
| 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"; |
$numplots_selector .= '</select>'; |
| |
$Str .= '<span class="LC_nobreak"><label>'.&mt('Number of Plots [_1]',$numplots_selector). |
| |
'</label></span><br />'; |
| |
## |
| |
$Str .= '</td>'; |
| |
## |
| |
## |
| |
$Str .= &Apache::loncommon::end_data_table_row(); |
| |
$Str .= &Apache::loncommon::end_data_table(); |
| |
$Str .= '<p class="LC_nobreak"><label>' |
| |
.&mt('Status: [_1]', |
| |
'<input type="text" name="stats_status"' |
| |
.' size="60" value="" readonly="readonly" />') |
| |
.'</label></p>'; |
| |
$Str .= '</p>'; |
| 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 $res; |
|
| } |
|
| } |
|
| } |
} |
| return undef; |
return undef; |
| } |
} |
| |
|
| ## |
sub hashify_attempt { |
| ## get problem data and put it into a useful data structure. |
my ($row) = @_; |
| ## note: we must force each foil and option to not begin or end with |
my %attempt; |
| ## spaces as they are stored without such data. |
$attempt{'student'} = $row->[&Apache::loncoursedata::RD_sname()]; |
| ## |
$attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()]; |
| sub get_problem_data { |
$attempt{'submission'} = &unescape($row->[&Apache::loncoursedata::RD_submission()]); |
| my ($url) = @_; |
$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); |
|
| my %Partdata; |
sub Process_OR_Row { |
| foreach my $part (@{$Answer{'parts'}}) { |
my ($row) = @_; |
| while (my($key,$value) = each(%Answer)) { |
my %RowData; |
| next if ($key !~ /^$part/); |
# my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; |
| $key =~ s/^$part\.//; |
my $award = $row->[&Apache::loncoursedata::RD_awarddetail()]; |
| if (ref($value) eq 'ARRAY') { |
my $grading = $row->[&Apache::loncoursedata::RD_response_eval()]; |
| if ($key eq 'options') { |
my $submission = $row->[&Apache::loncoursedata::RD_submission()]; |
| for(my $i=0;$i<scalar(@$value);$i++) { |
my $time = $row->[&Apache::loncoursedata::RD_timestamp()]; |
| $value->[$i]=~ s/(\s*$|^\s*)//g; |
# my $tries = $row->[&Apache::loncoursedata::RD_tries()]; |
| } |
return undef if ($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); |
| $foil =~ s/(\s*$|^\s*)//g; |
for (my $j=0;$j<=$#Foilgrades;$j++) { |
| $Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}= |
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
| $concept; |
$foilid = &unescape($foilid); |
| } |
my (undef,$submission) = split('=',$Foilsubs[$j]); |
| } |
if ($correct) { |
| } else { |
$RowData{$foilid}->{'_correct'}++; |
| $value =~ s/(\s*$|^\s*)//g; |
} else { |
| if ($key=~ /^foil\.text\.(.*)$/) { |
$submission = &unescape($submission); |
| my $foil = $1; |
$RowData{$foilid}->{$submission}++; |
| $foil =~ s/(\s*$|^\s*)//g; |
|
| $Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil; |
|
| $Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value; |
|
| } elsif ($key =~ /^foil\.value\.(.*)$/) { |
|
| my $foil = $1; |
|
| $foil =~ s/(\s*$|^\s*)//g; |
|
| $Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value; |
|
| } |
|
| } |
|
| } |
} |
| |
$RowData{$foilid}->{'_total'}++; |
| |
} |
| |
return %RowData; |
| |
} |
| |
|
| |
sub submission_is_correct { |
| |
my ($award) = @_; |
| |
if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { |
| |
return 1; |
| |
} else { |
| |
return 0; |
| } |
} |
| return %Partdata; |
|
| } |
} |
| |
|
| 1; |
1; |
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