version 1.103, 2004/11/10 16:56:39
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version 1.113, 2005/02/22 05:28:21
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Line 37 use Apache::lonstathelpers();
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Line 37 use Apache::lonstathelpers();
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use Apache::lonstudentsubmissions(); |
use Apache::lonstudentsubmissions(); |
use HTML::Entities(); |
use HTML::Entities(); |
use Time::Local(); |
use Time::Local(); |
use Spreadsheet::WriteExcel(); |
use capa; |
|
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my $plotcolors = ['#33ff00', |
my $plotcolors = ['#33ff00', |
'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
Line 52 my @SubmitButtons = ({ name => 'PrevProb
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Line 52 my @SubmitButtons = ({ name => 'PrevProb
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text => 'Next Problem' }, |
text => 'Next Problem' }, |
{ name => 'break'}, |
{ name => 'break'}, |
{ name => 'SelectAnother', |
{ name => 'SelectAnother', |
text => 'Choose a different Problem' }, |
text => 'Choose a different Problem' }); |
{ name => 'ExcelOutput', |
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text => 'Produce Excel Output' }); |
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|
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sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
Line 83 sub BuildProblemAnalysisPage {
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Line 81 sub BuildProblemAnalysisPage {
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&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
$r->rflush(); |
$r->rflush(); |
# |
# |
# Support for numerical and radio response isn't complete enough to |
my $problem_types = '(option|radiobutton|numerical)'; |
# include in 1.2 release. |
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# my $problem_types = '(option|radiobutton|numerical)'; |
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my $problem_types = '.';#(option)'; |
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if (exists($ENV{'form.problemchoice'}) && |
if (exists($ENV{'form.problemchoice'}) && |
! exists($ENV{'form.SelectAnother'})) { |
! exists($ENV{'form.SelectAnother'})) { |
foreach my $button (@SubmitButtons) { |
foreach my $button (@SubmitButtons) { |
Line 193 sub numerical_response_analysis {
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Line 188 sub numerical_response_analysis {
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$Apache::lonstatistics::enrollment_status, |
$Apache::lonstatistics::enrollment_status, |
$resource->{'symb'},$respid); |
$resource->{'symb'},$respid); |
# |
# |
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$problem_analysis->{'answercomputed'} = 1; |
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if ($problem_analysis->{'answercomputed'}) { |
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my $answers = |
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&Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, |
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'Statistics', |
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'stats_status'); |
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$r->print(&numerical_one_dimensional_plot($r,600,150,$answers)); |
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} |
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# |
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if (ref($response_data) ne 'ARRAY') { |
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$r->print('<h2>'. |
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&mt('There is no submission data for this resource'). |
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'</h2>'); |
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return; |
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} |
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my $analysis_html = '<table>'; |
for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { |
for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { |
my $restriction_function; |
my $restriction_function; |
$restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; |
my $header_message; |
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my $stats_message; |
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my $post_message; # passed through &mt sooner rather than later |
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my $no_data_message; |
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my @extra_data; |
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if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
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$restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; |
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$header_message = 'Attempt [_1]'; |
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$stats_message = |
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'[_1] submissions, [_2] correct, [_3] incorrect'; |
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$post_message = ''; |
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$no_data_message = 'No data exists for attempt [_1]'; |
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} else { |
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my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
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('startdate_'.$plot_num); |
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my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
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('enddate_'.$plot_num); |
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($starttime,$endtime) = &ensure_start_end_times |
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($starttime,$endtime, |
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&get_time_from_row($response_data->[0]), |
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&get_time_from_row($response_data->[-1]), |
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$plot_num); |
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$header_message = 'Data from [_2] to [_3]'; |
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$extra_data[0] = &Apache::lonlocal::locallocaltime($starttime); |
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$extra_data[1] = &Apache::lonlocal::locallocaltime($endtime); |
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# |
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$stats_message = |
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'[_1] submissions from [_4] students, [_2] correct, [_3] incorrect'; |
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# |
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$post_message = |
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&mt('Start time: [_1]', |
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&Apache::lonhtmlcommon::date_setter |
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('Statistics','startdate_'.$plot_num,$starttime)). |
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'<br />'. |
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&mt('End time: [_1]', |
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&Apache::lonhtmlcommon::date_setter |
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('Statistics','enddate_'.$plot_num,$endtime)); |
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$restriction_function = |
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sub { |
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my $t = $_[0]->{'timestamp'}; |
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if ($t >= $starttime && $t < $endtime) { |
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return 1; |
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} else { |
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return 0; |
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} |
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}; |
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$no_data_message = 'No data for [_2] to [_3]'; |
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} |
# |
# |
my ($correct,$intervals,$answers) = |
my ($correct,$answers) = |
&numerical_response_determine_intervals($r,$resource,$partid, |
&numerical_determine_answers($r,$resource,$partid, |
$respid,$students); |
$respid,$students); |
if ($c->aborted()) { return; }; |
if ($c->aborted()) { return; }; |
# |
# |
my $responses = &classify_response_data($response_data, |
my ($responses,$stats) = |
$correct, |
&numerical_classify_responses($response_data,$correct, |
$restriction_function); |
$restriction_function); |
my $student_count = $responses->{'_students'}; |
if ($stats->{'submission_count'} == 0) { |
my $correct_count = $responses->{'_correct'}; |
$analysis_html.= |
my $total_count = $responses->{'_count'}; |
'<tr><td colspan="2"><font size="+1"><b>'. |
my $max = $responses->{'_max'}; |
&mt($no_data_message,$plot_num,@extra_data). |
# |
'</b></font></td></tr>'; |
my $analysis_html = '<h2>'.&mt('Attempt [_1]',$plot_num).'</h2>'; |
} else { |
$analysis_html.= &numerical_one_dimensional_plot($r,600,150, |
$analysis_html.= |
scalar(@$students), |
'<tr><td colspan="2" align="center"><font size="+1"><b>'. |
$answers); |
&mt($header_message,$plot_num,@extra_data). |
$analysis_html.= '<table><tr>'. |
'</b></font></td></tr>'. |
'<td valign="top" align="center">'. |
'<tr><td colspan="2" align="center">'. |
&numerical_plot_percent($r,$responses).'</td>'. |
&mt($stats_message, |
'<td align="center" valign="top">'. |
$stats->{'submission_count'}, |
&numerical_plot_differences($r,$responses).'</td>'. |
$stats->{'correct_count'}, |
'</tr>'.$/.'</table>'; |
$stats->{'incorrect_count'}, |
$r->print($analysis_html); |
$stats->{'students'}, |
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@extra_data). |
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'</td></tr>'. |
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'<tr>'.'<td valign="top" align="center">'. |
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&numerical_plot_percent($r,$responses,$stats).'</td>'. |
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'<td align="center" valign="top">'. |
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&numerical_plot_differences($r,$responses,$stats).'</td>'. |
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'</tr>'; |
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} |
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if ($post_message ne '') { |
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$analysis_html .= |
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'<tr><td colspan="2">'.$post_message.'</td></tr>'; |
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} |
} |
} |
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$analysis_html.='</table>'; |
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$r->print($analysis_html); |
# |
# |
return; |
return; |
} |
} |
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sub numerical_plot_percent { |
sub numerical_plot_percent { |
my ($r,$responses) = @_; |
my ($r,$responses,$stats) = @_; |
# |
# |
my $total = $responses->{'_count'}; |
my $total = $stats->{'submission_count'}; |
return '' if ($total == 0); |
return '' if ($total == 0); |
my $minbin = 0.5; |
my $min_bin_size = $stats->{'min_percent'}; |
while (my ($interval,$submissions) = each(%$responses)) { |
my $low_bin = $stats->{'lowest_ans'}-$stats->{'max_bin_size'}; |
next if ($interval =~ /^_/); |
my $high_bin = $stats->{'highest_ans'}+$stats->{'max_bin_size'}; |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
if ($high_bin > 0 && $low_bin > -$high_bin) { |
my $low_percent = abs(($ans-$ans_low)/$ans); |
$low_bin = -$high_bin; |
my $high_percent = abs(($ans_high-$ans)/$ans); |
} elsif ($low_bin < 0 && $high_bin < -$low_bin) { |
if ($minbin > $high_percent) { $minbin = $high_percent; } |
$high_bin = -$low_bin; |
if ($minbin > $low_percent) { $minbin = $low_percent; } |
} |
} |
if (($high_bin -$low_bin)/$min_bin_size > 1000) { |
# |
$min_bin_size = abs($high_bin - $low_bin) / 1000; |
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} |
my @bins; |
my @bins; |
if ($minbin < 1) { |
for (my $num = $low_bin;$num <= $high_bin;$num+=($min_bin_size/2)) { |
@bins = (0.1, ".5",1,1.5,2,2.5,3,4,5,10,20,50,100); |
push(@bins,$num); |
} elsif ($minbin < 2) { |
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@bins = (0.5,1,1.5,2,2.5,3,4,5,10,20,50,100); |
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} elsif ($minbin < 5) { |
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@bins = (1,2,3,4,5,10,25,50,75,100,200); |
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} elsif ($minbin < 10) { |
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@bins = (2,4,6,8,10,12,15,20,25,30,50,75,100,200); |
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} else { |
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@bins = (5,10,15,20,25,30,50,75,100,200); |
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} |
} |
my @labels = (1..scalar(@bins)); |
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# |
# |
my @correct; |
my @correct; |
my @incorrect; |
my @incorrect; |
while (my ($interval,$submissions) = each(%$responses)) { |
my @count; |
next if ($interval =~ /^_/); |
while (my ($ans,$submissions) = each(%$responses)) { |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
while (my ($submission,$counts) = each(%$submissions)) { |
while (my ($submission,$count) = each(%$submissions)) { |
my ($correct_count,$incorrect_count) = @$counts; |
my $scaled_value = abs(($submission-$ans)/$ans); |
my $scaled_value = ($submission-$ans)/$ans; |
my $bin=0; |
my $bin=0; |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
last if ($bins[$bin]>$scaled_value); |
last if ($bins[$bin]>$scaled_value); |
} |
} |
if (($submission <= $ans_high) && ($submission >= $ans_low)) { |
$correct[$bin]+=$correct_count; |
$correct[$bin]+=$count; |
$incorrect[$bin]+=$incorrect_count; |
} else { |
$count[$bin]+=$correct_count+$incorrect_count; |
$incorrect[$bin]+=$count; |
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} |
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} |
} |
} |
} |
# |
# |
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# Skip empty bins |
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my (@plot_correct,@plot_incorrect,@new_bins,@new_count); |
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my $min_skip = 2; |
for (my $i=0;$i<=$#bins;$i++) { |
for (my $i=0;$i<=$#bins;$i++) { |
if (! defined( $correct[$i])) { $correct[$i]=0;} |
my $sum=0; |
if (! defined($incorrect[$i])) { $incorrect[$i]=0;} |
for (my $j=-$min_skip;$j<=$min_skip && $i+$j<=$#bins;$j++) { |
$correct[$i]*=100/$total; |
$sum += $correct[$i+$j] + $incorrect[$i+$j]; |
$incorrect[$i]*=100/$total; |
} |
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if ($sum) { |
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push(@new_bins,$bins[$i]); |
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push(@plot_correct,$correct[$i]); |
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push(@plot_incorrect,$incorrect[$i]); |
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push(@new_count,$correct[$i]+$incorrect[$i]); |
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} |
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} |
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@correct = @plot_correct; |
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@incorrect = @plot_incorrect; |
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@count = @new_count; |
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@bins = @new_bins; |
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for (my $i=0;$i<=$#bins;$i++) { |
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$plot_correct[$i] *= 100/$total; |
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$plot_incorrect[$i] *= 100/$total; |
} |
} |
my $title = &mt('Distribution by Percent'); |
# |
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my $title = &mt('Percent Difference'); |
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my @labels = (1..scalar(@bins)); |
my $graph = &Apache::loncommon::DrawBarGraph |
my $graph = &Apache::loncommon::DrawBarGraph |
($title,'Percent difference from correct','Number of answers', |
($title,'Percent difference from correct','Number of answers', |
100,['#33FF00','#FF3300'],\@labels,\@correct,\@incorrect, |
100,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
{xskip=>1}); |
{xskip=>1}); |
# |
# |
my $table = $graph.'<table><tr><th>'.&mt('Bar').'</th>'. |
my $table = $graph.$/. |
'<th colspan="3">'.&mt('Range').'</th>'; |
&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
for (my $i=0;$i<=$#bins;$i++) { |
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my $lownum; |
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if ($i == 0) { |
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$lownum = 0; |
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} else { |
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$lownum = $bins[$i-1]; |
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} |
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my $highnum = $bins[$i]; |
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$table .= |
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'<tr>'. |
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'<td>'.$labels[$i].'</td>'. |
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'<td align="right">'.$lownum.'</td>'. |
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'<td> - </td>'. |
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'<td align="right">'.$highnum.'</td>'.'</tr>'.$/; |
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} |
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$table.= '</table>'.$/; |
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return $table; |
return $table; |
} |
} |
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sub numerical_plot_differences { |
sub numerical_plot_differences { |
my ($r,$responses) = @_; |
my ($r,$responses,$stats) = @_; |
# |
# |
my $total = $responses->{'_count'}; |
my $total = $stats->{'submission_count'}; |
return '' if ($total == 0); |
return '' if ($total == 0); |
my $minbin = undef; |
my $max_bins = 50; |
my $maxbin = undef; |
my $min_bin_size = $stats->{'min_abs'}; |
while (my ($interval,$submissions) = each(%$responses)) { |
my $low_bin = $stats->{'lowest_ans'}-$stats->{'max_bin_size'}; |
next if ($interval =~ /^_/); |
my $high_bin = $stats->{'highest_ans'}+$stats->{'max_bin_size'}; |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
if ($high_bin > 0 && $low_bin > -$high_bin) { |
my $low_diff = abs($ans-$ans_low); |
$low_bin = -$high_bin; |
my $high_diff = abs($ans_high-$ans); |
} elsif ($low_bin < 0 && $high_bin < -$low_bin) { |
if (! defined($maxbin)) { $maxbin = $low_diff;} |
$high_bin = -$low_bin; |
if (! defined($minbin)) { $minbin = $low_diff;} |
} |
# |
if (($high_bin -$low_bin)/$min_bin_size * 2 > $max_bins) { |
if ($minbin > $high_diff) { $minbin = $high_diff; } |
$min_bin_size = abs($high_bin - $low_bin) / $max_bins * 2; |
if ($minbin > $low_diff ) { $minbin = $low_diff; } |
} |
# |
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if ($maxbin < $high_diff) { $maxbin = $high_diff; } |
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if ($maxbin < $low_diff ) { $maxbin = $low_diff; } |
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} |
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# |
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my @bins; |
my @bins; |
my @labels; |
for (my $num = $low_bin;$num <= $high_bin;$num+=($min_bin_size/2)) { |
# Hmmmm, should switch to absolute difference |
push(@bins,$num); |
for (my $i=1;$i<=20;$i++) { |
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push(@bins,$i*$minbin/2); |
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push(@labels,$i); |
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} |
} |
# |
# |
my @correct; |
my @correct; |
my @incorrect; |
my @incorrect; |
while (my ($interval,$submissions) = each(%$responses)) { |
my @count; |
next if ($interval =~ /^_/); |
while (my ($ans,$submissions) = each(%$responses)) { |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
while (my ($submission,$counts) = each(%$submissions)) { |
while (my ($submission,$count) = each(%$submissions)) { |
my ($correct_count,$incorrect_count) = @$counts; |
my $value = abs($submission-$ans); |
my $scaled_value = $submission-$ans; |
my $bin=0; |
my $bin=0; |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
last if ($bins[$bin]>$value); |
last if ($bins[$bin]>$scaled_value); |
} |
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if (($submission <= $ans_high) && ($submission >= $ans_low)) { |
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$correct[$bin]+=$count; |
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} else { |
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$incorrect[$bin]+=$count; |
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} |
} |
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$correct[$bin]+=$correct_count; |
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$incorrect[$bin]+=$incorrect_count; |
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$count[$bin]+=$correct_count+$incorrect_count; |
} |
} |
} |
} |
# |
my @plot_correct = @correct; |
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my @plot_incorrect = @incorrect; |
for (my $i=0;$i<=$#bins;$i++) { |
for (my $i=0;$i<=$#bins;$i++) { |
if (! defined( $correct[$i])) { $correct[$i]=0;} |
$plot_correct[$i] *= 100/$total; |
if (! defined($incorrect[$i])) { $incorrect[$i]=0;} |
$plot_incorrect[$i] *= 100/$total; |
$correct[$i]*=100/$total; |
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$incorrect[$i]*=100/$total; |
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} |
} |
my $title = &mt('Distribution by Magnitude'); |
# |
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my $title = &mt('Difference between submission and correct'); |
|
my @labels = (1..scalar(@bins)); |
my $graph = &Apache::loncommon::DrawBarGraph |
my $graph = &Apache::loncommon::DrawBarGraph |
($title,'magnitude difference from correct','Number of answers', |
($title,'Difference from Correct','Number of answers', |
100,['#33FF00','#FF3300'],\@labels,\@correct,\@incorrect,{xskip=>1}); |
100,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
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{xskip=>1}); |
# |
# |
my $table = $graph.'<table><tr><th>'.&mt('Bar').'</th>'. |
my $table = $graph.$/. |
'<th colspan="3">'.&mt('Range').'</th>'; |
&numerical_bin_table(\@bins,\@labels,\@incorrect,\@correct,\@count).$/; |
for (my $i=0;$i<=$#bins;$i++) { |
return $table; |
my $lownum; |
} |
if ($i == 0) { |
|
$lownum = 0; |
sub numerical_classify_responses { |
} else { |
my ($full_row_data,$correct,$function) = @_; |
$lownum = $bins[$i-1]; |
my %submission_data; |
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my %students; |
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my %stats; |
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my $max=0; |
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foreach my $row (@$full_row_data) { |
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my %subm = &hashify_attempt($row); |
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if (ref($correct) eq 'HASH') { |
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my $s_correct = $correct->{$subm{'student'}}; |
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$subm{'correct'} = $s_correct->{'answer'}; |
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foreach my $item ('unit','ans_low','ans_high') { |
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$subm{$item} = $s_correct->{$item}; |
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} |
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} else { # This probably never happens.... |
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$subm{'correct'} = $correct->{'answer'}; |
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$subm{'unit'} = $correct->{'unit'}; |
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} |
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# |
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my $abs_low =abs($subm{'correct'}-$subm{'ans_low'}); |
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my $abs_high=abs($subm{'correct'}-$subm{'ans_high'}); |
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if (! defined($stats{'min_abs'}) || |
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$stats{'min_abs'} > $abs_low) { |
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$stats{'min_abs'} = $abs_low; |
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} |
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if ($stats{'min_abs'} > $abs_high) { |
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$stats{'min_abs'} = $abs_high; |
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} |
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if (! defined($stats{'max_abs'}) || |
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$stats{'max_abs'} < $abs_low) { |
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$stats{'max_abs'} = $abs_low; |
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} |
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if ($stats{'max_abs'} < $abs_high) { |
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$stats{'max_abs'} = $abs_high; |
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} |
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my $low_percent = 100 * abs($abs_low / $subm{'correct'}); |
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my $high_percent = 100 * abs($abs_high / $subm{'correct'}); |
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if (! defined($stats{'min_percent'}) || |
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$stats{'min_percent'} > $low_percent) { |
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$stats{'min_percent'} = $low_percent; |
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} |
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if ($stats{'min_percent'} > $high_percent) { |
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$stats{'min_percent'} = $high_percent; |
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} |
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if (! defined($stats{'max_percent'}) || |
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$stats{'max_percent'} < $low_percent) { |
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$stats{'max_percent'} = $low_percent; |
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} |
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if ($stats{'max_percent'} < $high_percent) { |
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$stats{'max_percent'} = $high_percent; |
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} |
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if (! defined($stats{'lowest_ans'}) || |
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$stats{'lowest_ans'} > $subm{'correct'}) { |
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$stats{'lowest_ans'} = $subm{'correct'}; |
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} |
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if (! defined($stats{'highest_ans'}) || |
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$stats{'highest_ans'} < $subm{'correct'}) { |
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$stats{'highest_ans'} = $subm{'correct'}; |
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} |
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# |
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$subm{'submission'} =~ s/=\d+\s*$//; |
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if (&$function(\%subm)) { |
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my $scaled = '1'; |
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my ($sname,$sdom) = split(':',$subm{'student'}); |
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my ($myunit,$mysub) = ($subm{'unit'},$subm{'submission'}); |
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my $result = |
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&capa::caparesponse_get_real_response($myunit, |
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$mysub, |
|
\$scaled); |
|
&Apache::lonnet::logthis('scaled = '.$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]++; |
|
} |
} |
} |
my $highnum = $bins[$i]; |
} |
|
$stats{'students'}=scalar(keys(%students)); |
|
return (\%submission_data,\%stats); |
|
} |
|
|
|
sub numerical_submission_is_correct { |
|
my ($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]; |
|
my $highnum = $bins->[$i+1]; |
$table .= |
$table .= |
'<tr>'. |
'<tr>'. |
'<td>'.$labels[$i].'</td>'. |
'<td>'.$labels->[$i].'</td>'. |
'<td align="right">'.$lownum.'</td>'. |
'<td align="right">'.$lownum.'</td>'. |
'<td> - </td>'. |
'<td> - </td>'. |
'<td align="right">'.$highnum.'</td>'.'</tr>'.$/; |
'<td align="right">'.$highnum.'</td>'. |
|
'<td align="right">'.$incorrect->[$i].'</td>'. |
|
'<td align="right">'.$correct->[$i].'</td>'. |
|
'<td align="right">'.$count->[$i].'</td>'. |
|
'</tr>'.$/; |
} |
} |
$table.= '</table>'.$/; |
$table.= '</table>'; |
return $table; |
return $table; |
} |
} |
|
|
sub numerical_response_determine_intervals { |
sub numerical_determine_answers { |
my ($r,$resource,$partid,$respid,$students)=@_; |
my ($r,$resource,$partid,$respid,$students)=@_; |
my $c = $r->connection(); |
my $c = $r->connection(); |
# |
# |
# FIX ME: Need progress dialog updates |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,'Student Answer Compilation Status', |
|
'Student Answer Compilation Progress', scalar(@$students), |
|
'inline',undef,'Statistics','stats_status'); |
# |
# |
# Read in the cache (if it exists) before we start timing things. |
# Read in the cache (if it exists) before we start timing things. |
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
# |
# |
my $correct; |
my $correct; |
# %intervals differs from %answers because it may be possible for two |
|
# students to have the same correct answer but different intervals. |
|
my %intervals; |
|
my %answers; |
my %answers; |
foreach my $student (@$students) { |
foreach my $student (@$students) { |
last if ($c->aborted()); |
last if ($c->aborted()); |
Line 413 sub numerical_response_determine_interva
|
Line 587 sub numerical_response_determine_interva
|
$sdom); |
$sdom); |
# make the key |
# make the key |
my $key = $partid.'.'.$respid; |
my $key = $partid.'.'.$respid; |
my $interval = join(' ',($analysis->{$key.'.answer'}->[0], |
foreach my $item ('answer','unit','ans_high','ans_low') { |
$analysis->{$key.'.ans_low'}->[0], |
$correct->{$sname.':'.$sdom}->{$item} = |
$analysis->{$key.'.ans_high'}->[0])); |
$analysis->{$key.'.'.$item}->[0]; |
$correct->{$sname.':'.$sdom} = $interval; |
} |
$intervals{$interval}++; |
|
$answers{$analysis->{$key.'.answer'}->[0]}++; |
$answers{$analysis->{$key.'.answer'}->[0]}++; |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
} |
} |
&Apache::lonstathelpers::write_analysis_cache(); |
&Apache::lonstathelpers::write_analysis_cache(); |
return ($correct,\%intervals,\%answers); |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
|
return ($correct,\%answers); |
} |
} |
|
|
|
# |
|
# Inputs: $r, $width, $height, $data |
|
# $n = number of students |
|
# $data = hashref of $answer => $frequency pairs |
sub numerical_one_dimensional_plot { |
sub numerical_one_dimensional_plot { |
my ($r,$width,$height,$n,$data)=@_; |
my ($r,$width,$height,$data)=@_; |
# |
# |
# Compute data -> image scaling factors |
# Compute data -> image scaling factors |
my $max_y = 0; |
my $max_y = 0; |
my $min_x = undef; |
my $min_x = undef; |
my $max_x = undef; |
my $max_x = undef; |
|
my $n = 0; |
while (my ($answer,$count) = each(%$data)) { |
while (my ($answer,$count) = each(%$data)) { |
|
$n+=$count; |
$max_y = $count if ($max_y < $count); |
$max_y = $count if ($max_y < $count); |
if (! defined($min_x) || $answer < $min_x) { |
if (! defined($min_x) || $answer < $min_x) { |
$min_x = $answer; |
$min_x = $answer; |
Line 441 sub numerical_one_dimensional_plot {
|
Line 623 sub numerical_one_dimensional_plot {
|
} |
} |
} |
} |
# |
# |
my $h_scale = ($width-10)/($max_x-$min_x); |
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; |
my $ticscale = 5; |
if ($max_y * $ticscale > $height/2) { |
if ($max_y * $ticscale > $height/2) { |
Line 471 sub numerical_one_dimensional_plot {
|
Line 657 sub numerical_one_dimensional_plot {
|
} |
} |
$plot .= '</drawimage>'; |
$plot .= '</drawimage>'; |
my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); |
my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); |
|
|
my $result = '<table>'. |
my $result = '<table>'. |
'<tr><td colspan="3" align="center">'. |
'<tr><td colspan="3" align="center">'. |
'<font size="+2">'.&mt('Distribution of correct answers').'</font>'. |
'<font size="+2">'.&mt('Distribution of correct answers').'</font>'. |
Line 522 sub circle {
|
Line 707 sub circle {
|
return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); |
return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); |
} |
} |
|
|
sub build_student_data_worksheet { |
|
my ($workbook,$format) = @_; |
|
my $rows_output = 3; |
|
my $cols_output = 0; |
|
my $worksheet = $workbook->addworksheet('Student Data'); |
|
$worksheet->write($rows_output++,0,'Student Data',$format->{'h3'}); |
|
my @Headers = ('full name','username','domain','section', |
|
"student\nnumber",'identifier'); |
|
$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
|
my @Students = @Apache::lonstatistics::Students; |
|
my $studentrows = &Apache::loncoursedata::get_student_data(\@Students); |
|
my %ids; |
|
foreach my $row (@$studentrows) { |
|
my ($mysqlid,$student) = @$row; |
|
$ids{$student}=$mysqlid; |
|
} |
|
foreach my $student (@Students) { |
|
my $name_domain = $student->{'username'}.':'.$student->{'domain'}; |
|
$worksheet->write_row($rows_output++,0, |
|
[$student->{'fullname'}, |
|
$student->{'username'},$student->{'domain'}, |
|
$student->{'section'},$student->{'id'}, |
|
$ids{$name_domain}]); |
|
} |
|
return $worksheet; |
|
} |
|
|
|
######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
Line 570 sub radio_response_analysis {
|
Line 728 sub radio_response_analysis {
|
my $analysis_html; |
my $analysis_html; |
my $foildata = $problem_analysis->{'_Foils'}; |
my $foildata = $problem_analysis->{'_Foils'}; |
my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); |
my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); |
|
if (! defined($concepts)) { |
|
$concepts = []; |
|
} |
# |
# |
my %true_foils; |
my %true_foils; |
my $num_true = 0; |
my $num_true = 0; |
Line 778 sub RR_concept_plot {
|
Line 939 sub RR_concept_plot {
|
} else { |
} else { |
$incorrect_by_concept{$concept->{'name'}} += |
$incorrect_by_concept{$concept->{'name'}} += |
$foil_data->{$foil}->{$choice}; |
$foil_data->{$foil}->{$choice}; |
|
|
} |
} |
} |
} |
} |
} |
Line 965 sub classify_response_data {
|
Line 1125 sub classify_response_data {
|
if (&$function(\%subm)) { |
if (&$function(\%subm)) { |
$students{$subm{'student'}}++; |
$students{$subm{'student'}}++; |
$submission_data{'_count'}++; |
$submission_data{'_count'}++; |
|
|
if (&submission_is_correct($subm{'award'})) { |
if (&submission_is_correct($subm{'award'})) { |
$submission_data{'_correct'}++; |
$submission_data{'_correct'}++; |
} |
} |
Line 1004 sub OptionResponseAnalysis {
|
Line 1163 sub OptionResponseAnalysis {
|
'</h2>'); |
'</h2>'); |
} else { |
} else { |
$r->rflush(); |
$r->rflush(); |
if (exists($ENV{'form.ExcelOutput'})) { |
if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
my $result = &OR_excel_sheet($r,$resource, |
my $analysis_html = &OR_tries_analysis($r, |
$PerformanceData, |
$PerformanceData, |
$problem_data); |
$problem_data); |
$r->print($result); |
$r->print($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(); |
$r->rflush(); |
} else { |
} else { |
if ($ENV{'form.AnalyzeOver'} eq 'tries') { |
$r->print('<h2>'. |
my $analysis_html = &OR_tries_analysis($r, |
&mt('The analysis you have selected is '. |
$PerformanceData, |
'not supported at this time'). |
$problem_data); |
'</h2>'); |
$r->print($analysis_html); |
|
$r->rflush(); |
|
} elsif ($ENV{'form.AnalyzeOver'} eq 'time') { |
|
my $analysis_html = &OR_time_analysis($PerformanceData, |
|
$problem_data); |
|
$r->print($analysis_html); |
|
$r->rflush(); |
|
} else { |
|
$r->print('<h2>'. |
|
&mt('The analysis you have selected is '. |
|
'not supported at this time'). |
|
'</h2>'); |
|
} |
|
} |
} |
} |
} |
} |
} |
Line 1042 sub OR_tries_analysis {
|
Line 1193 sub OR_tries_analysis {
|
my $mintries = 1; |
my $mintries = 1; |
my $maxtries = $ENV{'form.NumPlots'}; |
my $maxtries = $ENV{'form.NumPlots'}; |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
if (! defined($Concepts)) { |
|
$Concepts = []; |
|
} |
my %response_data = &OR_analyze_by_tries($r,$PerformanceData, |
my %response_data = &OR_analyze_by_tries($r,$PerformanceData, |
$mintries,$maxtries); |
$mintries,$maxtries); |
my $analysis = ''; |
my $analysis = ''; |
Line 1129 sub OR_tries_analysis {
|
Line 1283 sub OR_tries_analysis {
|
# |
# |
$concept_graph = &Apache::loncommon::DrawBarGraph |
$concept_graph = &Apache::loncommon::DrawBarGraph |
('Correct Concepts','Concept Number','Percent Correct', |
('Correct Concepts','Concept Number','Percent Correct', |
100,$plotcolors,undef,\@concept_plot_data); |
100,$plotcolors,undef,\@concept_plot_data,{xskip=>1}); |
} |
} |
# |
# |
# Create Foil Plots |
# Create Foil Plots |
Line 1167 sub OR_tries_analysis {
|
Line 1321 sub OR_tries_analysis {
|
# |
# |
my $correct_graph = &Apache::loncommon::DrawBarGraph |
my $correct_graph = &Apache::loncommon::DrawBarGraph |
('Correct Statements','Statement','% Answered Correct', |
('Correct Statements','Statement','% Answered Correct', |
100,$plotcolors,\@Labels,$Datasets[0]); |
100,$plotcolors,\@Labels,$Datasets[0],{xskip=>1}); |
|
|
# |
# |
# |
# |
Line 1179 sub OR_tries_analysis {
|
Line 1333 sub OR_tries_analysis {
|
$response_data{'_correct'}->[$try]; |
$response_data{'_correct'}->[$try]; |
my $incorrect_graph = &Apache::loncommon::DrawBarGraph |
my $incorrect_graph = &Apache::loncommon::DrawBarGraph |
('Incorrect Statements','Statement','% Chosen Incorrectly', |
('Incorrect Statements','Statement','% Chosen Incorrectly', |
100,$plotcolors,\@Labels,@Datasets); |
100,$plotcolors,\@Labels,@Datasets,{xskip=>1}); |
$analysis_html.= |
$analysis_html.= |
'<tr><td colspan="4" align="center">'. |
'<tr><td colspan="4" align="center">'. |
'<font size="+1">'. |
'<font size="+1">'. |
Line 1373 sub OR_Foil_Time_Analysis {
|
Line 1527 sub OR_Foil_Time_Analysis {
|
100, |
100, |
$plotcolors, |
$plotcolors, |
undef, |
undef, |
$plotdata[0]); |
$plotdata[0], |
|
{xskip=>1}); |
for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { |
for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { |
$plotdata[0]->[$j]=0; |
$plotdata[0]->[$j]=0; |
} |
} |
Line 1384 sub OR_Foil_Time_Analysis {
|
Line 1539 sub OR_Foil_Time_Analysis {
|
100, |
100, |
$plotcolors, |
$plotcolors, |
undef, |
undef, |
@plotdata); |
@plotdata,{xskip=>1}); |
return ($correct_plot,$incorrect_plot); |
return ($correct_plot,$incorrect_plot); |
} |
} |
|
|
Line 1415 sub OR_Concept_Time_Analysis {
|
Line 1570 sub OR_Concept_Time_Analysis {
|
100, |
100, |
$plotcolors, |
$plotcolors, |
undef, |
undef, |
\@plotdata); |
\@plotdata,{xskip=>1}); |
} |
} |
|
|
sub OR_time_process_data { |
sub OR_time_process_data { |
Line 1456 sub OR_time_process_data {
|
Line 1611 sub OR_time_process_data {
|
scalar(keys(%distinct_students))); |
scalar(keys(%distinct_students))); |
} |
} |
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Excel output |
|
## |
|
######################################################### |
|
######################################################### |
|
sub OR_excel_sheet { |
|
my ($r,$resource,$performance_data,$ORdata) = @_; |
|
my $response = ''; |
|
my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
# |
|
# Create excel worksheet |
|
my $filename = '/prtspool/'. |
|
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. |
|
time.'_'.rand(1000000000).'.xls'; |
|
my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); |
|
if (! defined($workbook)) { |
|
$r->log_error("Error creating excel spreadsheet $filename: $!"); |
|
$r->print('<p>'.&mt("Unable to create new Excel file. ". |
|
"This error has been logged. ". |
|
"Please alert your LON-CAPA administrator"). |
|
'</p>'); |
|
return undef; |
|
} |
|
# |
|
$workbook->set_tempdir('/home/httpd/perl/tmp'); |
|
my $format = &Apache::loncommon::define_excel_formats($workbook); |
|
# |
|
# Create and populate main worksheets |
|
my $problem_data_sheet = $workbook->addworksheet('Problem Data'); |
|
my $student_data_sheet = &build_student_data_worksheet($workbook,$format); |
|
my $response_data_sheet = $workbook->addworksheet('Response Data'); |
|
foreach my $sheet ($problem_data_sheet,$student_data_sheet, |
|
$response_data_sheet) { |
|
$sheet->write(0,0,$resource->{'title'},$format->{'h2'}); |
|
$sheet->write(1,0,$resource->{'src'},$format->{'h3'}); |
|
} |
|
# |
|
my $result; |
|
$result = &OR_build_problem_data_worksheet($problem_data_sheet,$format, |
|
$Concepts,$ORdata); |
|
if ($result ne 'okay') { |
|
# Do something useful |
|
} |
|
$result = &OR_build_response_data_worksheet($response_data_sheet,$format, |
|
$performance_data,$Foils, |
|
$ORdata); |
|
if ($result ne 'okay') { |
|
# Do something useful |
|
} |
|
$response_data_sheet->activate(); |
|
# |
|
# Close the excel file |
|
$workbook->close(); |
|
# |
|
# Write a link to allow them to download it |
|
$result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'. |
|
'<p><a href="'.$filename.'">'. |
|
&mt('Your Excel spreadsheet.'). |
|
'</a></p>'."\n"; |
|
return $result; |
|
} |
|
|
|
sub OR_build_problem_data_worksheet { |
|
my ($worksheet,$format,$Concepts,$ORdata) = @_; |
|
my $rows_output = 3; |
|
my $cols_output = 0; |
|
$worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'}); |
|
## |
|
## |
|
my @Headers; |
|
if (@$Concepts > 1) { |
|
@Headers = ("Concept\nNumber",'Concept',"Foil\nNumber", |
|
'Foil Name','Foil Text','Correct value'); |
|
} else { |
|
@Headers = ('Foil Number','FoilName','Foil Text','Correct value'); |
|
} |
|
$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
|
my %Foildata = %{$ORdata->{'_Foils'}}; |
|
my $conceptindex = 1; |
|
my $foilindex = 1; |
|
foreach my $concept (@$Concepts) { |
|
my @FoilsInConcept = @{$concept->{'foils'}}; |
|
my $firstfoil = shift(@FoilsInConcept); |
|
if (@$Concepts > 1) { |
|
$worksheet->write_row($rows_output++,0, |
|
[$conceptindex, |
|
$concept->{'name'}, |
|
$foilindex++, |
|
$Foildata{$firstfoil}->{'name'}, |
|
$Foildata{$firstfoil}->{'text'}, |
|
$Foildata{$firstfoil}->{'value'},]); |
|
} else { |
|
$worksheet->write_row($rows_output++,0, |
|
[ $foilindex++, |
|
$Foildata{$firstfoil}->{'name'}, |
|
$Foildata{$firstfoil}->{'text'}, |
|
$Foildata{$firstfoil}->{'value'},]); |
|
} |
|
foreach my $foilid (@FoilsInConcept) { |
|
if (@$Concepts > 1) { |
|
$worksheet->write_row($rows_output++,0, |
|
['', |
|
'', |
|
$foilindex, |
|
$Foildata{$foilid}->{'name'}, |
|
$Foildata{$foilid}->{'text'}, |
|
$Foildata{$foilid}->{'value'},]); |
|
} else { |
|
$worksheet->write_row($rows_output++,0, |
|
[$foilindex, |
|
$Foildata{$foilid}->{'name'}, |
|
$Foildata{$foilid}->{'text'}, |
|
$Foildata{$foilid}->{'value'},]); |
|
} |
|
} continue { |
|
$foilindex++; |
|
} |
|
} continue { |
|
$conceptindex++; |
|
} |
|
$rows_output++; |
|
$rows_output++; |
|
## |
|
## Option data output |
|
$worksheet->write($rows_output++,0,'Options',$format->{'header'}); |
|
foreach my $string (@{$ORdata->{'_Options'}}) { |
|
$worksheet->write($rows_output++,0,$string); |
|
} |
|
return 'okay'; |
|
} |
|
|
|
sub OR_build_response_data_worksheet { |
|
my ($worksheet,$format,$performance_data,$Foils,$ORdata)=@_; |
|
my $rows_output = 3; |
|
my $cols_output = 0; |
|
$worksheet->write($rows_output++,0,'Response Data',$format->{'h3'}); |
|
$worksheet->set_column(1,1,20); |
|
$worksheet->set_column(2,2,13); |
|
my @Headers = ('identifier','time','award detail','attempt'); |
|
foreach my $foil (@$Foils) { |
|
push (@Headers,$foil.' submission'); |
|
push (@Headers,$foil.' grading'); |
|
} |
|
$worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); |
|
# |
|
foreach my $row (@$performance_data) { |
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next if (! defined($row)); |
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my ($student,$award,$grading,$submission,$time,$tries) = @$row; |
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my @Foilgrades = split('&',$grading); |
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my @Foilsubs = split('&',$submission); |
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my %response_data; |
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for (my $j=0;$j<=$#Foilgrades;$j++) { |
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my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
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my (undef,$submission) = split('=',$Foilsubs[$j]); |
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$submission = &Apache::lonnet::unescape($submission); |
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$response_data{$foilid.' submission'}=$submission; |
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$response_data{$foilid.' award'}=$correct; |
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} |
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$worksheet->write($rows_output,$cols_output++,$student); |
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$worksheet->write($rows_output,$cols_output++, |
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&Apache::lonstathelpers::calc_serial($time),$format->{'date'}); |
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$worksheet->write($rows_output,$cols_output++,$award); |
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$worksheet->write($rows_output,$cols_output++,$tries); |
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foreach my $foilid (@$Foils) { |
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$worksheet->write($rows_output,$cols_output++, |
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$response_data{$foilid.' submission'}); |
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$worksheet->write($rows_output,$cols_output++, |
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$response_data{$foilid.' award'}); |
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} |
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$rows_output++; |
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$cols_output = 0; |
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} |
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return; |
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} |
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|
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sub build_foil_index { |
sub build_foil_index { |
my ($ORdata) = @_; |
my ($ORdata) = @_; |
return if (! exists($ORdata->{'_Foils'})); |
return if (! exists($ORdata->{'_Foils'})); |