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Diff for /loncom/interface/statistics/lonproblemanalysis.pm between versions 1.97 and 1.99

version 1.97, 2004/10/29 15:27:39 version 1.99, 2004/10/29 16:10:30
Line 390  sub radio_response_analysis { Line 390  sub radio_response_analysis {
     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);
     #      #
       my %true_foils;
     my $num_true = 0;      my $num_true = 0;
     foreach my $foil (@$foils) {      if (! $problem_analysis->{'answercomputed'}) {
         if ($foildata->{$foil}->{'value'} eq 'true') {          foreach my $foil (@$foils) {
             $num_true++;               if ($foildata->{$foil}->{'value'} eq 'true') {
                   $true_foils{$foil}++; 
               }
         }          }
           $num_true = scalar(keys(%true_foils));
     }      }
     #      #
     $analysis_html .= $table;      $analysis_html .= $table;
Line 433  sub radio_response_analysis { Line 437  sub radio_response_analysis {
     #      #
     $analysis_html.='<table>';      $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++) {
         &Apache::lonnet::logthis('plot num = '.$plot_num);  
         # classify data ->correct foil -> selected foil          # classify data ->correct foil -> selected foil
         my ($restriction_function,          my ($restriction_function,
             $correct_foil_title,$incorrect_foil_title,              $correct_foil_title,$incorrect_foil_title,
Line 509  sub radio_response_analysis { Line 512  sub radio_response_analysis {
         if ($problem_analysis->{'answercomputed'} || $num_true > 1) {          if ($problem_analysis->{'answercomputed'} || $num_true > 1) {
             ($stacked_plot,$count_by_foil) =              ($stacked_plot,$count_by_foil) =
                 &RR_create_stacked_selection_plot($foils,$foil_choice_data,                  &RR_create_stacked_selection_plot($foils,$foil_choice_data,
                                                   $incorrect_foil_title);                                                    $incorrect_foil_title,
                                                     \%true_foils);
         }          }
         #          #
         if ($concept_plot ne '' ||          if ($concept_plot ne '' ||
Line 627  sub RR_concept_plot { Line 631  sub RR_concept_plot {
 sub RR_create_percent_selected_plot {  sub RR_create_percent_selected_plot {
     my ($concepts,$foils,$foil_data,$title) = @_;      my ($concepts,$foils,$foil_data,$title) = @_;
     #      #
     my %foil_selections;      if ($foil_data->{'_count'} == 0) { return ''; };
     my %true;      my %correct_selections;
       my %incorrect_selections;
     foreach my $foil (@$foils) {      foreach my $foil (@$foils) {
         # foil_data has format $foil_data->{true_foil}->{selected foil}          # foil_data has format $foil_data->{true_foil}->{selected foil}
         next if (! exists($foil_data->{$foil}));          next if (! exists($foil_data->{$foil}));
         $true{$foil}++;  
         while (my ($f,$count)= each(%{$foil_data->{$foil}})) {          while (my ($f,$count)= each(%{$foil_data->{$foil}})) {
             $foil_selections{$f}+=$count;              if ($f eq $foil) {
                   $correct_selections{$foil} += $count;
               } else {
                   $incorrect_selections{$foil} += $count;
               }
         }          }
     }      }
     #       # 
Line 643  sub RR_create_percent_selected_plot { Line 651  sub RR_create_percent_selected_plot {
     my @correct;      my @correct;
     my @incorrect;      my @incorrect;
     #      #
     my $total =0;      my $total = $foil_data->{'_count'};
     for (my $i=0;$i<scalar(@$foils);$i++) {      for (my $i=0;$i<scalar(@$foils);$i++) {
         my $foil = $foils->[$i];          my $foil = $foils->[$i];
         if ($true{$foil}) {          $correct[$i]   = $correct_selections{$foil};
             $correct[$i]   = $foil_selections{$foil};          $incorrect[$i] = $incorrect_selections{$foil};
             $incorrect[$i] = 0;  
         } else {  
             $correct[$i]   = 0;  
             $incorrect[$i] = $foil_selections{$foil};  
         }  
         $total+=$foil_selections{$foil};  
     }      }
     if ($total == 0) { return ''; };  
     for (my $i=0;$i<=$#correct;$i++) {       for (my $i=0;$i<=$#correct;$i++) { 
         $correct[$i] = sprintf('%0f',$correct[$i]/$total*100);          &Apache::lonnet::logthis('correct['.$i.']='.$correct[$i]);
           $correct[$i] = sprintf('%2f',$correct[$i]/$total*100);
     }      }
     for (my $i=0;$i<=$#incorrect;$i++) {      for (my $i=0;$i<=$#incorrect;$i++) {
         $incorrect[$i] = sprintf('%0f',$incorrect[$i]/$total*100);          $incorrect[$i] = sprintf('%2f',$incorrect[$i]/$total*100);
     }      }
     #      #
     # Put a blank in the data sets between concepts, if there are concepts      # Put a blank in the data sets between concepts, if there are concepts
Line 698  sub RR_create_percent_selected_plot { Line 700  sub RR_create_percent_selected_plot {
 }  }
   
 sub RR_create_stacked_selection_plot {  sub RR_create_stacked_selection_plot {
     my ($foils,$foil_data,$title)=@_;      my ($foils,$foil_data,$title,$true_foils)=@_;
     #      #
     my @dataset; # array of array refs - multicolor rows $datasets[row]->[col]      my @dataset; # array of array refs - multicolor rows $datasets[row]->[col]
     my @labels;      my @labels;
     my $count;      my $count;
     my %column; # maps foil name to column in @datasets      my %column; # maps foil name to column in @datasets
     for (my $i=0;$i<scalar(@$foils);$i++) {      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->[$i]}));          next if (! exists($foil_data->{$foils->[$i]}));
         my $correct_foil = $foils->[$i];          $column{$foil}= $count++;
         push(@labels,$i+1);  
         $column{$correct_foil}= $count++;  
         for (my $j=0;$j<scalar(@$foils);$j++) {          for (my $j=0;$j<scalar(@$foils);$j++) {
             my $value = 0;              my $value = 0;
             if ($i != $j ) {              if ($i != $j ) {
                 $value += $foil_data->{$correct_foil}->{$foils->[$j]};                  $value += $foil_data->{$foil}->{$foils->[$j]};
             }              }
             $dataset[$j]->[$column{$correct_foil}]=$value;              $dataset[$j]->[$column{$foil}]=$value;
         }          }
     }      }
     #      #
Removed from v.1.97  
changed lines
  Added in v.1.99

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