version 1.31, 2003/10/10 21:45:34
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version 1.35, 2003/10/14 14:23:14
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Line 1
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
# |
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# $Id$ |
# $Id$ |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
Line 42 sub BuildProblemAnalysisPage {
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Line 43 sub BuildProblemAnalysisPage {
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# |
# |
my @Students = @Apache::lonstatistics::Students; |
my @Students = @Apache::lonstatistics::Students; |
# |
# |
if (exists($ENV{'form.problemchoice'}) && !exists($ENV{'SelectAnother'})) { |
if (exists($ENV{'form.updatecaches'}) || |
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(exists($ENV{'form.firstanalysis'}) && |
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$ENV{'form.firstanalysis'} ne 'no')) { |
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&Apache::lonstatistics::Gather_Full_Student_Data($r); |
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} |
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if (! exists($ENV{'form.firstanalysis'})) { |
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$r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
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} else { |
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$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
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} |
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if (exists($ENV{'form.problemchoice'}) && |
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! exists($ENV{'form.SelectAnother'})) { |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
&mt('Analyze Problem Again').'" />'); |
&mt('Analyze Problem Again').'" />'); |
$r->print(' 'x5); |
$r->print(' 'x5); |
$r->print('<input type="submit" name="ClearCache" value="'. |
$r->print('<input type="submit" name="ClearCache" value="'. |
&mt('Clear Caches').'" />'); |
&mt('Clear Caches').'" />'); |
$r->print(' 'x5); |
$r->print(' 'x5); |
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$r->print('<input type="submit" name="updatecaches" value="'. |
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&mt('Update Student Data').'" />'); |
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$r->print(' 'x5); |
$r->print('<input type="hidden" name="problemchoice" value="'. |
$r->print('<input type="hidden" name="problemchoice" value="'. |
$ENV{'form.problemchoice'}.'" />'); |
$ENV{'form.problemchoice'}.'" />'); |
$r->print('<input type="submit" name="SelectAnother" value="'. |
$r->print('<input type="submit" name="SelectAnother" value="'. |
Line 56 sub BuildProblemAnalysisPage {
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Line 71 sub BuildProblemAnalysisPage {
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$r->print(' 'x5); |
$r->print(' 'x5); |
# |
# |
$r->print('<hr />'); |
$r->print('<hr />'); |
&Apache::lonstatistics::Gather_Full_Student_Data($r); |
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# |
# |
my ($symb,$part,$resid) = &get_problem_symb( |
my ($symb,$part,$resid) = &get_problem_symb( |
&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
Line 87 sub BuildProblemAnalysisPage {
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Line 101 sub BuildProblemAnalysisPage {
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if (defined($PerformanceData) && |
if (defined($PerformanceData) && |
ref($PerformanceData) eq 'ARRAY') { |
ref($PerformanceData) eq 'ARRAY') { |
if ($ENV{'form.AnalyzeBy'} eq 'Tries') { |
if ($ENV{'form.AnalyzeBy'} eq 'Tries') { |
my $analysis_html = &DoTriesAnalysis($PerformanceData, |
my $analysis_html = &tries_analysis($PerformanceData, |
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$ORdata); |
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$r->print($analysis_html); |
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} elsif ($ENV{'form.AnalyzeBy'} eq 'Time') { |
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my $analysis_html = &time_analysis($PerformanceData, |
$ORdata); |
$ORdata); |
$r->print($analysis_html); |
$r->print($analysis_html); |
# } elsif ($ENV{'form.AnalyzeBy'} eq 'Time') { |
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# my $analysis_html = &DoTimeAnalysis($PerformanceData, |
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# $ORdata); |
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# $r->print($analysis_html); |
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} else { |
} else { |
$r->print('<h2>'. |
$r->print('<h2>'. |
&mt('The analysis you have selected is '. |
&mt('The analysis you have selected is '. |
Line 119 sub BuildProblemAnalysisPage {
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Line 133 sub BuildProblemAnalysisPage {
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} |
} |
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sub DoTriesAnalysis { |
######################################################### |
my ($PerformanceData,$ORdata) = @_; |
######################################################### |
my $mintries = 1; |
## |
my $maxtries = $ENV{'form.NumPlots'}; |
## Misc interface routines use by analysis code |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
## |
$mintries,$maxtries); |
######################################################### |
my @Foils = sort(keys(%ResponseData)); |
######################################################### |
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sub build_foil_index { |
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my ($ORdata) = @_; |
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my @Foils = sort(keys(%{$ORdata->{'Foiltext'}})); |
my %Row_Label; |
my %Row_Label; |
foreach my $foilid (@Foils) { |
foreach my $foilid (@Foils) { |
my $value = $ORdata->{'Foiltext'}->{$foilid}; |
my $value = $ORdata->{'Foiltext'}->{$foilid}; |
Line 133 sub DoTriesAnalysis {
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Line 150 sub DoTriesAnalysis {
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} |
} |
# |
# |
# Build up the table of row labels. |
# Build up the table of row labels. |
my @Rows; |
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$Rows[0]= [ '<th>'.&mt('Foil Number').'</th>', |
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'<th>'.&mt('Foil Text').'</td>']; |
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my $table = '<table border="1" >'."\n"; |
my $table = '<table border="1" >'."\n"; |
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$table .= '<tr><th>'.&mt('Foil Number').'</th>'. |
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'<th>'.&mt('Foil Text')."</th></tr>\n"; |
my $index = 1; |
my $index = 1; |
foreach my $foilid (@Foils) { |
foreach my $foilid (@Foils) { |
$table .= '<tr><td>'.$index.'</td>'. |
$table .= '<tr><td>'.$index.'</td>'. |
Line 145 sub DoTriesAnalysis {
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Line 161 sub DoTriesAnalysis {
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$index++; |
$index++; |
} |
} |
$table .= "</table>\n"; |
$table .= "</table>\n"; |
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return ($table,@Foils); |
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} |
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######################################################### |
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######################################################### |
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## |
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## Tries Analysis |
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## |
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######################################################### |
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######################################################### |
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sub tries_analysis { |
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my ($PerformanceData,$ORdata) = @_; |
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my $mintries = 1; |
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my $maxtries = $ENV{'form.NumPlots'}; |
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my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
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$mintries,$maxtries); |
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my ($table,@Foils) = &build_foil_index($ORdata); |
# |
# |
# Compute the data neccessary to make the plots |
# Compute the data neccessary to make the plots |
my @PlotData; |
my @PlotData; |
Line 185 sub DoTriesAnalysis {
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Line 218 sub DoTriesAnalysis {
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} |
} |
$maxstu = 0 if (! $maxstu); |
$maxstu = 0 if (! $maxstu); |
$minstu = 0 if (! $minstu); |
$minstu = 0 if (! $minstu); |
my $graphlink; |
my $title; |
if ($maxstu == $minstu) { |
if ($maxstu == $minstu) { |
$graphlink = &Apache::loncommon::DrawGraph |
$title = 'Attempt '.$i.', '.$maxstu.' students'; |
('Attempt '.$i.', '.$maxstu.' students', |
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'Foil Number', |
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'Percent Correct', |
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100, |
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$PlotData[$i]->{'good'}, |
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$PlotData[$i]->{'bad'}); |
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} else { |
} else { |
$graphlink = &Apache::loncommon::DrawGraph |
$title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
('Attempt '.$i.', '.$minstu.'-'.$maxstu. |
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' students', |
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'Foil Number', |
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'Percent Correct', |
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100, |
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$PlotData[$i]->{'good'}, |
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$PlotData[$i]->{'bad'}); |
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} |
} |
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my $graphlink = &Apache::loncommon::DrawGraph($title, |
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'Foil Number', |
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'Percent Correct', |
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100, |
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$PlotData[$i]->{'good'}, |
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$PlotData[$i]->{'bad'}); |
push(@Plots,$graphlink); |
push(@Plots,$graphlink); |
} |
} |
# |
# |
Line 264 sub analyze_option_data_by_tries {
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Line 290 sub analyze_option_data_by_tries {
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return %Trydata; |
return %Trydata; |
} |
} |
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sub get_problem_symb { |
######################################################### |
my $problemstring = shift(); |
######################################################### |
my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
## |
return ($symb,$partid,$resid); |
## Time Analysis |
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## |
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######################################################### |
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######################################################### |
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sub time_analysis { |
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my ($PerformanceData,$ORdata) = @_; |
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my $num_plots = $ENV{'form.NumPlots'}; |
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my ($table,@Foils) = &build_foil_index($ORdata); |
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my $num_data = scalar(@$PerformanceData)-1; |
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my $percent = sprintf('%2f',100/$num_plots); |
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for (my $i=0;$i<$num_plots;$i++) { |
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my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
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('startdate_'.$i); |
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my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
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('enddate_'.$i); |
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my ($begin_index,$end_index,$plottitle,$plothtml,$data); |
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if (! defined($starttime) || ! defined($endtime)) { |
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$begin_index = $i*int($num_data/$num_plots); |
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$end_index = ($i+1)*int($num_data/$num_plots); |
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my $lownum = sprintf('%2.1f',$i*$percent); |
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$lownum =~ s/(\.0)$//; |
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my $highnum = sprintf('%2.1f',($i+1)*$percent); |
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$highnum =~ s/(\.0)$//; |
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$plottitle = $lownum.'% to '.$highnum.'% of submissions'; |
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} else { |
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my $j; |
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while (++$j < scalar(@$PerformanceData)) { |
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last if ($PerformanceData->[$j]->[2] > $starttime); |
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} |
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$begin_index = $j; |
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while (++$j < scalar(@$PerformanceData)) { |
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last if ($PerformanceData->[$j]->[2] > $endtime); |
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} |
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$end_index = $j; |
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$plottitle = 'Tries plot '.($i+1); |
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} |
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($plothtml,$starttime,$endtime,$data) = |
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&analyze_option_data_by_time($PerformanceData, |
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$begin_index,$end_index, |
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$plottitle, |
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@Foils); |
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my $startdateform = &Apache::lonhtmlcommon::date_setter |
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('Statistics','startdate_'.$i,$starttime); |
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my $enddateform = &Apache::lonhtmlcommon::date_setter |
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('Statistics','enddate_'.$i,$endtime); |
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$plothtml.= "<br />\n". |
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"<b>Start Time</b>: "." ".$startdateform."<br />\n". |
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"<b>End Time</b> : "." ".$enddateform."<br />\n"; |
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$table.=$plothtml; |
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} |
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return $table; |
} |
} |
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sub analyze_option_data_by_time { |
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my ($PerformanceData,$begin_index,$end_index,$description,@Foils) = @_; |
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my %TimeData; |
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# |
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# Get the start and end times for this segment of the plot |
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my $starttime = $PerformanceData->[$begin_index]->[2]; |
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my $endtime = $PerformanceData->[$end_index ]->[2]; |
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# |
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# Compute the number getting the foils correct or incorrects |
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for (my $i=$begin_index;$i<=$end_index;$i++) { |
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my $row = $PerformanceData->[$i]; |
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next if (! defined($row)); |
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my ($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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foreach my $foilgrade (@Foilgrades) { |
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my ($foilid,$correct) = split('=',$foilgrade); |
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if ($correct) { |
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$TimeData{$foilid}->{'correct'}++; |
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} else { |
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$TimeData{$foilid}->{'incorrect'}++; |
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} |
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} |
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} |
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# |
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# Compute the total and percent correct |
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my @Plotdata1; |
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my @Plotdata2; |
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foreach my $foilid (@Foils) { |
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if (! exists($TimeData{$foilid}->{'correct'})) { |
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$TimeData{$foilid}->{'correct'} = 0; |
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} |
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if (! exists($TimeData{$foilid}->{'incorrect'})) { |
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$TimeData{$foilid}->{'incorrect'} = 0; |
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} |
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$TimeData{$foilid}->{'total'} = $TimeData{$foilid}->{'correct'} + |
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$TimeData{$foilid}->{'incorrect'}; |
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$TimeData{$foilid}->{'percent_corr'} = 100 * |
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$TimeData{$foilid}->{'correct'} / |
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$TimeData{$foilid}->{'total'}; |
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push (@Plotdata1, $TimeData{$foilid}->{'percent_corr'}); |
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push (@Plotdata2,100-$TimeData{$foilid}->{'percent_corr'}); |
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} |
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# |
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# Create the plot |
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my $graphlink = &Apache::loncommon::DrawGraph |
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($description,#'Time Interval Analysis', |
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'Foil Number', |
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'Percent Correct / Incorrect', |
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100, |
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\@Plotdata1,\@Plotdata2); |
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# |
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return ($graphlink,$starttime,$endtime,\%TimeData); |
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} |
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######################################################### |
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######################################################### |
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## |
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## Interface |
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## |
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######################################################### |
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######################################################### |
sub CreateInterface { |
sub CreateInterface { |
## |
## |
## Environment variable initialization |
## Environment variable initialization |
Line 330 sub CreateInterface {
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Line 472 sub CreateInterface {
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if (! exists($ENV{'form.NumPlots'}) |
if (! exists($ENV{'form.NumPlots'}) |
|| $ENV{'form.NumPlots'} < 1 |
|| $ENV{'form.NumPlots'} < 1 |
|| $ENV{'form.NumPlots'} > 20) { |
|| $ENV{'form.NumPlots'} > 20) { |
$ENV{'form.NumPlots'} = 7; |
$ENV{'form.NumPlots'} = 5; |
} |
} |
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
foreach my $i (1,2,3,4,5,6,7,8,10,15,20) { |
$Str .= '<option value="'.$i.'" '; |
$Str .= '<option value="'.$i.'" '; |
Line 390 sub OptionResponseProblemSelector {
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Line 532 sub OptionResponseProblemSelector {
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return $Str; |
return $Str; |
} |
} |
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######################################################### |
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######################################################### |
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## |
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## Misc functions |
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## |
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######################################################### |
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######################################################### |
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sub get_problem_symb { |
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my $problemstring = shift(); |
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my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
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return ($symb,$partid,$resid); |
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} |
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sub get_resource_from_symb { |
sub get_resource_from_symb { |
my ($symb) = @_; |
my ($symb) = @_; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |