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Diff for /loncom/interface/statistics/lonproblemanalysis.pm between versions 1.98 and 1.101

version 1.98, 2004/10/29 15:52:32 version 1.101, 2004/10/29 16:39:42
Line 631  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 $foil_data->{true_foil}->{selected foil}=count
         next if (! exists($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 {
                   $incorrect_selections{$f} += $count;
               }
         }          }
     }      }
     #       # 
Line 647  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);          $correct[$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]/$total*100);
     }      }
     #      #
     # Put a blank in the data sets between concepts, if there are concepts      # Put a blank in the data sets between concepts, if there are concepts
Line 1236  sub OR_time_process_data { Line 1233  sub OR_time_process_data {
     if ($end_index == scalar(@$performance_data)-1) {      if ($end_index == scalar(@$performance_data)-1) {
         $end_index++;          $end_index++;
     }      }
     &Apache::lonnet::logthis('  '.$begin_index.':'.$end_index);  
     my $count;      my $count;
     for (my $i=$begin_index;$i<$end_index;$i++) {      for (my $i=$begin_index;$i<$end_index;$i++) {
         my $attempt = $performance_data->[$i];          my $attempt = $performance_data->[$i];
Line 1256  sub OR_time_process_data { Line 1252  sub OR_time_process_data {
             }              }
         }          }
     }      }
     &Apache::lonnet::logthis('count = '.$count);  
     return (\%processed_time_data,$correct,$data_count,      return (\%processed_time_data,$correct,$data_count,
             scalar(keys(%distinct_students)));              scalar(keys(%distinct_students)));
 }  }
Removed from v.1.98  
changed lines
  Added in v.1.101

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