[BACK]Return to lonstudentassessment.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface / statistics

Diff for /loncom/interface/statistics/lonstudentassessment.pm between versions 1.38 and 1.50

version 1.38, 2003/03/07 15:18:39 version 1.50, 2003/05/29 21:41:10
Line 85  my $Statistics; Line 85  my $Statistics;
   
 =item $show 'all', 'totals', or 'scores' determines how much data is output  =item $show 'all', 'totals', or 'scores' determines how much data is output
   
   =item $single_student_mode evaluates to true if we are showing only one
   student.
   
 =cut  =cut
   
 #######################################################  #######################################################
Line 92  my $Statistics; Line 95  my $Statistics;
 my $show_links;  my $show_links;
 my $output_mode;  my $output_mode;
 my $show;  my $show;
   my $single_student_mode;
   
 #######################################################  #######################################################
 #######################################################  #######################################################
Line 127  Inputs: Line 131  Inputs:
 sub BuildStudentAssessmentPage {  sub BuildStudentAssessmentPage {
     my ($r,$c)=@_;      my ($r,$c)=@_;
     undef($Statistics);      undef($Statistics);
       $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
     #      #
     # Print out the HTML headers for the interface      # Print out the HTML headers for the interface
     #    This also parses the output mode selector      #    This also parses the output mode selector
     #    This step must always be done.      #    This step must always be done.
     $r->print(&CreateInterface());      $r->print(&CreateInterface());
     $r->print('<input type="hidden" name="notfirstrun" value="true" />');      $r->print('<input type="hidden" name="notfirstrun" value="true" />');
       $r->print('<input type="hidden" name="sort" value="'.
                 $ENV{'form.sort'}.'" />');
     $r->rflush();      $r->rflush();
     if (! exists($ENV{'form.notfirstrun'})) {      if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
         $r->print(<<ENDMSG);          $r->print(<<ENDMSG);
 <p>  <p>
 <font size="+1">  <font size="+2">
 Please make your selections in the boxes above and hit   Please make your selections in the boxes above and hit 
 the button marked &quot;Update&nbsp;Display&quot;.  the button marked &quot;Update&nbsp;Display&quot;.
 </font>  </font>
Line 156  ENDMSG Line 163  ENDMSG
         $initialize     = \&excel_initialize;          $initialize     = \&excel_initialize;
         $output_student = \&excel_outputstudent;          $output_student = \&excel_outputstudent;
         $finish         = \&excel_finish;          $finish         = \&excel_finish;
     } elsif ($output_mode eq 'multi-sheet excel') {  #    } elsif ($output_mode eq 'multi-sheet excel') {
         $initialize     = \&multi_sheet_excel_initialize;  #        $initialize     = \&multi_sheet_excel_initialize;
         $output_student = \&multi_sheet_excel_outputstudent;  #        $output_student = \&multi_sheet_excel_outputstudent;
         $finish         = \&multi_sheet_excel_finish;  #        $finish         = \&multi_sheet_excel_finish;
     } elsif ($output_mode eq 'csv') {      } elsif ($output_mode eq 'csv') {
         $initialize     = \&csv_initialize;          $initialize     = \&csv_initialize;
         $output_student = \&csv_outputstudent;          $output_student = \&csv_outputstudent;
Line 168  ENDMSG Line 175  ENDMSG
     #      #
     if($c->aborted()) {  return ; }      if($c->aborted()) {  return ; }
     #      #
       # Determine which students we want to look at
       my @Students;
       if ($single_student_mode) {
           @Students = (&Apache::lonstatistics::current_student());
           $r->print(&next_and_previous_buttons());
           $r->rflush();
       } else {
           @Students = @Apache::lonstatistics::Students;
       }
       #
     # Call the initialize routine selected above      # Call the initialize routine selected above
     $initialize->($r);      $initialize->($r);
     foreach my $student (@Apache::lonstatistics::Students) {      foreach my $student (@Students) {
         if($c->aborted()) {           if($c->aborted()) { 
             $finish->($r);              $finish->($r);
             return ;               return ; 
Line 186  ENDMSG Line 203  ENDMSG
   
 #######################################################  #######################################################
 #######################################################  #######################################################
   sub next_and_previous_buttons {
       my $Str = '';
       $Str .= '<input type="hidden" name="SelectedStudent" value="'.
           $ENV{'form.SelectedStudent'}.'" />';
       #
       # Build the previous student link
       my $previous = &Apache::lonstatistics::previous_student();
       my $previousbutton = '';
       if (defined($previous)) {
           my $sname = $previous->{'username'}.':'.$previous->{'domain'};
           $previousbutton .= '<input type="button" value="'.
               'Previous Student ('.
               $previous->{'username'}.'@'.$previous->{'domain'}.')'.
               '" onclick="document.Statistics.SelectedStudent.value='.
               "'".$sname."'".';'.
               'document.Statistics.submit();" />';
       } else {
           $previousbutton .= '<input type="button" value="'.
               'Previous student (none)'.'" />';
       }
       #
       # Build the next student link
       my $next = &Apache::lonstatistics::next_student();
       my $nextbutton = '';
       if (defined($next)) {
           my $sname = $next->{'username'}.':'.$next->{'domain'};
           $nextbutton .= '<input type="button" value="'.
               'Next Student ('.
               $next->{'username'}.'@'.$next->{'domain'}.')'.
               '" onclick="document.Statistics.SelectedStudent.value='.
               "'".$sname."'".';'.
               'document.Statistics.submit();" />';
       } else {
           $nextbutton .= '<input type="button" value="'.
               'Next student (none)'.'" />';
       }
       #
       # Build the 'all students' button
       my $all = '';
       $all .= '<input type="button" value="All Students" '.
               '" onclick="document.Statistics.SelectedStudent.value='.
               "''".';'.'document.Statistics.submit();" />';
       $Str .= $previousbutton.('&nbsp;'x5).$all.('&nbsp;'x5).$nextbutton;
       return $Str;
   }
   
   #######################################################
   #######################################################
   
 sub get_student_fields_to_show {  sub get_student_fields_to_show {
     my @to_show = @Apache::lonstatistics::SelectedStudentData;      my @to_show = @Apache::lonstatistics::SelectedStudentData;
Line 198  sub get_student_fields_to_show { Line 263  sub get_student_fields_to_show {
     return @to_show;      return @to_show;
 }  }
   
 sub get_sequences_to_show {  
     my @Sequences;  
     foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) {  
         foreach my $sequence (@Apache::lonstatistics::Sequences) {  
             next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all');  
             next if ($sequence->{'num_assess'} < 1);  
             push (@Sequences,$sequence);  
         }  
     }  
     return @Sequences;  
 }  
   
   
 #######################################################  #######################################################
 #######################################################  #######################################################
   
Line 237  sub CreateInterface { Line 289  sub CreateInterface {
     $Str .= '<tr>';      $Str .= '<tr>';
     $Str .= '<td align="center"><b>Sections</b></td>';      $Str .= '<td align="center"><b>Sections</b></td>';
     $Str .= '<td align="center"><b>Student Data</b></td>';      $Str .= '<td align="center"><b>Student Data</b></td>';
     $Str .= '<td align="center"><b>Problem Sets</b></td>';      $Str .= '<td align="center"><b>Enrollment Status</b></td>';
       $Str .= '<td align="center"><b>Sequences and Folders</b></td>';
     $Str .= '<td align="center"><b>Output Format</b></td>';      $Str .= '<td align="center"><b>Output Format</b></td>';
     $Str .= '</tr>'."\n";      $Str .= '</tr>'."\n";
     #      #
Line 255  sub CreateInterface { Line 308  sub CreateInterface {
     $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',      $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
                                                       5,undef);                                                        5,undef);
     $Str .= '</td><td>'."\n";      $Str .= '</td><td>'."\n";
       $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
       $Str .= '</td><td>'."\n";
     $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,      $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
                                               $only_seq_with_assessments);                                                $only_seq_with_assessments);
     $Str .= '</td><td>'."\n";      $Str .= '</td><td>'."\n";
Line 284  my @OutputOptions = Line 339  my @OutputOptions =
        show => 'all',         show => 'all',
        show_links => 'yes',         show_links => 'yes',
        },         },
        { name  => 'HTML, with all links',
          value => 'html, with all links',
          description => 'Output HTML with each symbol linked to the problem '.
      'which generated it.  '.
              'This includes links for unattempted problems.',
          mode => 'html',
          show => 'all',
          show_links => 'all',
          },
      { name  => 'HTML, without links',       { name  => 'HTML, without links',
        value => 'html, without links',         value => 'html, without links',
        description => 'Output HTML.  By not including links, the size of the'.         description => 'Output HTML.  By not including links, the size of the'.
Line 305  my @OutputOptions = Line 369  my @OutputOptions =
      { name  => 'HTML, totals',       { name  => 'HTML, totals',
        value => 'html, totals',         value => 'html, totals',
        description => 'Output HTML, but only the summary statistics for each'.         description => 'Output HTML, but only the summary statistics for each'.
    ' sequence selected.',     ' sequence selected for each student.',
        mode => 'html',         mode => 'html',
        show => 'totals',         show => 'totals',
        show_links => 'no',         show_links => 'no',
        },         },
        { name  => 'HTML, summary table only',
          value => 'html summary table only',
          description => 'Output HTML, but only the final summary table for '.
              'all students across all sequences.',
          mode => 'html',
          show => 'final table',
          show_links => 'no',
          },
      { name  => 'Excel, scores only',       { name  => 'Excel, scores only',
        value => 'excel, scores only',         value => 'excel, scores only',
        description => 'Output an Excel file (compatable with Excel 95), '.         description => 'Output an Excel file (compatable with Excel 95), '.
Line 328  my @OutputOptions = Line 400  my @OutputOptions =
        show => 'totals',         show => 'totals',
        show_links => 'no',         show_links => 'no',
            },             },
      { name  => 'multi-sheet Excel',  #     { name  => 'multi-sheet Excel',
        value => 'multi-sheet excel',  #       value => 'multi-sheet excel',
        description => 'Output an Excel file (compatable with Excel 95), '.  #       description => 'Output an Excel file (compatable with Excel 95), '.
    'with a seperate worksheet for each sequence you have selected '.  #   'with a seperate worksheet for each sequence you have selected '.
            'the data for each problem part '.  #           'the data for each problem part '.
            '(number of tries, status, points awarded) will be listed.',  #           '(number of tries, status, points awarded) will be listed.',
        mode => 'multi-sheet excel',  #       mode => 'multi-sheet excel',
        show => 'totals',  #       show => 'totals',
        show_links => 'no',  #       show_links => 'no',
            },  #           },
      { name  => 'multi-sheet Excel, by section',  #     { name  => 'multi-sheet Excel, by section',
        value => 'multi-sheet excel, by section',  #       value => 'multi-sheet excel, by section',
        description => 'Output an Excel file (compatable with Excel 95), '.  #       description => 'Output an Excel file (compatable with Excel 95), '.
    'with a seperate worksheet for each sequence you have selected '.  #   'with a seperate worksheet for each sequence you have selected '.
            'the data for each problem part '.  #           'the data for each problem part '.
            '(number of tries, status, points awarded) will be listed.  '.  #           '(number of tries, status, points awarded) will be listed.  '.
            'There will be one Excel workbook for each section selected.',  #           'There will be one Excel workbook for each section selected.',
        mode => 'multi-sheet excel',  #       mode => 'multi-sheet excel',
        show => 'by section',  #       show => 'by section',
        show_links => 'no',  #       show_links => 'no',
            },  #           },
      { name  => 'CSV, everything',       { name  => 'CSV, everything',
        value => 'csv, everything',         value => 'csv, everything',
        description => '',         description => '',
Line 386  sub OutputDescriptions { Line 458  sub OutputDescriptions {
   
 sub CreateAndParseOutputSelector {  sub CreateAndParseOutputSelector {
     my $Str = '';      my $Str = '';
     my $elementname = 'outputmode';      my $elementname = 'chartoutputmode';
     #      #
     # Format for output options is 'mode, restrictions';      # Format for output options is 'mode, restrictions';
     my $selected = 'html, with links';      my $selected = 'html, without links';
     if (exists($ENV{'form.'.$elementname})) {      if (exists($ENV{'form.'.$elementname})) {
         if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {          if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
             $selected = $ENV{'form.'.$elementname}->[0];              $selected = $ENV{'form.'.$elementname}->[0];
Line 446  Return a line of the chart for a student Line 518  Return a line of the chart for a student
     my $padding;      my $padding;
     my $count;      my $count;
   
       my $nodata_count; # The number of students for which there is no data
       my %prog_state;   # progress state used by loncommon PrgWin routines
   
 sub html_initialize {  sub html_initialize {
     my ($r) = @_;      my ($r) = @_;
     #      #
     $padding = ' 'x3;      $padding = ' 'x3;
     $count = 0;      $count = 0;
       $nodata_count = 0;
     #      #
     $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.      $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
               "&nbsp;&nbsp;".localtime(time)."</h3>");                "&nbsp;&nbsp;".localtime(time)."</h3>");
   
       #
       # Set up progress window for 'final table' display only
       if ($show eq 'final table') {
           my $studentcount = scalar(@Apache::lonstatistics::Students); 
           %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
               ($r,'Summary Table Status',
                'Summary Table Compilation Progress', $studentcount);
       }
     my $Str = "<pre>\n";      my $Str = "<pre>\n";
     # First, the @StudentData fields need to be listed      # First, the @StudentData fields need to be listed
     my @to_show = &get_student_fields_to_show();      my @to_show = &get_student_fields_to_show();
Line 464  sub html_initialize { Line 549  sub html_initialize {
         $Str .= $title.' 'x($width-$base).$padding;          $Str .= $title.' 'x($width-$base).$padding;
     }      }
     # Now the selected sequences need to be listed      # Now the selected sequences need to be listed
     foreach my $sequence (&get_sequences_to_show) {      foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
         my $title = $sequence->{'title'};          my $title = $sequence->{'title'};
         my $base  = $sequence->{'base_width'};          my $base  = $sequence->{'base_width'};
         my $width = $sequence->{'width'};          my $width = $sequence->{'width'};
Line 472  sub html_initialize { Line 557  sub html_initialize {
     }      }
     $Str .= "total (of shown problems)</pre>\n";      $Str .= "total (of shown problems)</pre>\n";
     $Str .= "<pre>";      $Str .= "<pre>";
       #
       # Check for suppression of output
       if ($show eq 'final table') {
           $Str = '';
       }
     $r->print($Str);      $r->print($Str);
     $r->rflush();      $r->rflush();
     return;      return;
Line 501  sub html_outputstudent { Line 591  sub html_outputstudent {
         %StudentsData = @tmp;          %StudentsData = @tmp;
     }      }
     if (scalar(@tmp) < 1) {      if (scalar(@tmp) < 1) {
           $nodata_count++;
           return if ($show eq 'final table');
         $Str .= '<font color="blue">No Course Data</font>'."\n";          $Str .= '<font color="blue">No Course Data</font>'."\n";
         $r->print($Str);          $r->print($Str);
         $r->rflush();          $r->rflush();
Line 510  sub html_outputstudent { Line 602  sub html_outputstudent {
     # By sequence build up the data      # By sequence build up the data
     my $studentstats;      my $studentstats;
     my $PerformanceStr = '';      my $PerformanceStr = '';
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         my ($performance,$score,$seq_max) =          my ($performance,$score,$seq_max) =
             &StudentPerformanceOnSequence($student,\%StudentsData,              &StudentPerformanceOnSequence($student,\%StudentsData,
                                           $seq,$show_links);                                            $seq,$show_links);
Line 545  sub html_outputstudent { Line 637  sub html_outputstudent {
     }      }
     $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;      $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
     $Str .= " \n";      $Str .= " \n";
       #
       # Check for suppressed output and update the progress window if so...
       if ($show eq 'final table') {
           $Str = '';
           &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                                                    'last student');
       }
       #
     $r->print($Str);      $r->print($Str);
     #      #
     $r->rflush();      $r->rflush();
Line 553  sub html_outputstudent { Line 653  sub html_outputstudent {
   
 sub html_finish {  sub html_finish {
     my ($r) = @_;      my ($r) = @_;
     $r->print("</pre>\n");       #
       # Check for suppressed output and close the progress window if so
       if ($show eq 'final table') {
           &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
       } else {
           $r->print("</pre>\n"); 
       }
       if ($single_student_mode) {
           $r->print(&SingleStudentTotal());
       } else {
           $r->print(&StudentAverageTotal());
       }
     $r->rflush();      $r->rflush();
     return;      return;
 }  }
   
   sub StudentAverageTotal {
       my $Str = "<h3>Summary Tables</h3>\n";
       my $num_students = scalar(@Apache::lonstatistics::Students);
       my $total_ave = 0;
       my $total_max = 0;
       $Str .= '<table border=2 cellspacing="1">'."\n";
       $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
       foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
           my $ave;
           if ($num_students > $nodata_count) {
               $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
                               ($num_students-$nodata_count)))/100;
           } else {
               $ave = 0;
           }
           $total_ave += $ave;
           my $max = $seq->{'num_assess_parts'};
           $total_max += $max;
           if ($ave == 0) {
               $ave = "0.00";
           }
           $ave .= '&nbsp;';
           $max .= '&nbsp;&nbsp;&nbsp;';
           $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
               '<td align="right">'.$ave.'</td>'.
                   '<td align="right">'.$max.'</td></tr>'."\n";
       }
       $total_ave = int(100*$total_ave)/100; # only two digit
       $Str .= "</table>\n";
       $Str .= '<table border=2 cellspacing="1">'."\n";
       $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
           "<th>Maximum</th></tr>\n";
       $Str .= '<tr><td>'.($num_students-$nodata_count).'</td>'.
           '<td>'.$total_ave.'</td><td>'.$total_max.'</td>';
       $Str .= "</table>\n";
       return $Str;
   }
   
   sub SingleStudentTotal {
       my $student = &Apache::lonstatistics::current_student();
       my $Str = "<h3>Summary Table For ".$student->{'username'}.'@'.
           $student->{'domain'}."</h3>\n";
       $Str .= '<table border=2 cellspacing="1">'."\n";
       $Str .= 
           "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
       my $total = 0;
       my $total_max = 0;
       foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
           my $value = $Statistics->{$seq->{'symb'}}->{'score'};
           my $max = $Statistics->{$seq->{'symb'}}->{'max'};
           $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
               '<td align="right">'.$value.'</td>'.
                   '<td align="right">'.$max.'</td></tr>'."\n";
           $total += $value;
           $total_max +=$max;
       }
       $Str .= '<tr><td><b>Total</b></td>'.
           '<td align="right">'.$total.'</td>'.
           '<td align="right">'.$total_max."</td></tr>\n";
       $Str .= "</table>\n";
       return $Str;
   }
   
 }  }
   
 #######################################################  #######################################################
Line 590  sub multi_sheet_excel_initialize { Line 764  sub multi_sheet_excel_initialize {
     my $num_data_per_part  = 2; # 'status' and 'numtries'      my $num_data_per_part  = 2; # 'status' and 'numtries'
     my $fields_per_student = scalar(&get_student_fields_to_show());      my $fields_per_student = scalar(&get_student_fields_to_show());
     my $bytes_per_field    = 20; # Back of the envelope calculation      my $bytes_per_field    = 20; # Back of the envelope calculation
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         $num_sequences++ if ($seq->{'num_assess'} > 0);          $num_sequences++ if ($seq->{'num_assess'} > 0);
         $fields_per_student += $num_data_per_part * $seq->{'num_assess_parts'};          $fields_per_student += $num_data_per_part * $seq->{'num_assess_parts'};
     }      }
Line 736  sub excel_initialize { Line 910  sub excel_initialize {
     }      }
     #      #
     # Add the Sequence Headers      # Add the Sequence Headers
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         $excel_sheet->write($rows_output,$cols_output,$seq->{'title'});          $excel_sheet->write($rows_output,$cols_output,$seq->{'title'});
         if ($show eq 'totals') {          if ($show eq 'totals') {
             $excel_sheet->write($rows_output+1,$cols_output,'score');              $excel_sheet->write($rows_output+1,$cols_output,'score');
Line 754  sub excel_initialize { Line 928  sub excel_initialize {
         $rows_output += 1;          $rows_output += 1;
     }      }
     #      #
       # Output a row for MAX
       if ($show ne 'totals') {
           $cols_output = 0;
           foreach my $field (&get_student_fields_to_show()) {
               if ($field eq 'username' || $field eq 'fullname' || 
                   $field eq 'id') {
                   $excel_sheet->write($rows_output,$cols_output++,'Maximum');
               } else {
                   $excel_sheet->write($rows_output,$cols_output++,'');
               }
           }
           #
           # Add the Sequence Headers
           foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
               $excel_sheet->write($rows_output,$cols_output++,
                                   $seq->{'num_assess_parts'});
           }
           $rows_output++;
       }
       #
     # Let the user know what we are doing      # Let the user know what we are doing
     my $studentcount = scalar(@Apache::lonstatistics::Students);       my $studentcount = scalar(@Apache::lonstatistics::Students); 
     $r->print("<h1>Compiling Excel spreadsheet for ".      $r->print("<h1>Compiling Excel spreadsheet for ".
Line 792  sub excel_outputstudent { Line 986  sub excel_outputstudent {
     }      }
     #      #
     # Write out sequence scores and totals data      # Write out sequence scores and totals data
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         my ($performance,$score,$seq_max) =          my ($performance,$score,$seq_max) =
             &StudentPerformanceOnSequence($student,\%StudentsData,              &StudentPerformanceOnSequence($student,\%StudentsData,
                                           $seq,'no');                                            $seq,'no');
Line 898  sub csv_initialize{ Line 1092  sub csv_initialize{
             $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';              $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
         }          }
     }      }
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         if ($show eq 'scores') {          if ($show eq 'scores') {
             $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).              $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
                 '",';                  '",';
Line 952  sub csv_outputstudent { Line 1146  sub csv_outputstudent {
     }      }
     #      #
     # Output performance data      # Output performance data
     foreach my $seq (&get_sequences_to_show) {      foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         my ($performance,$score,$seq_max) =          my ($performance,$score,$seq_max) =
             &StudentPerformanceOnSequence($student,\%StudentsData,              &StudentPerformanceOnSequence($student,\%StudentsData,
                                           $seq,'no');                                            $seq,'no');
Line 1058  sub StudentPerformanceOnSequence { Line 1252  sub StudentPerformanceOnSequence {
                         $symbol = ' ';                          $symbol = ' ';
                     }                      }
                     $sum++;                      $sum++;
                   } elsif (exists($resource_data->{'resource.'.
                                                        $partnum.'.tries'})){
                       $symbol = '.';
                 } else {                  } else {
                     $symbol = ' ';                      $symbol = ' ';
                 }                  }
Line 1070  sub StudentPerformanceOnSequence { Line 1267  sub StudentPerformanceOnSequence {
                 }                  }
             }              }
             #              #
             if ($links eq 'yes' && $symbol ne ' ') {              if ( ($links eq 'yes' && $symbol ne ' ') ||
                    ($links eq 'all')) {
                   if (length($symbol) > 1) {
                       &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
                   }
                 $symbol = '<a href="/adm/grades'.                  $symbol = '<a href="/adm/grades'.
                     '?symb='.&Apache::lonnet::escape($resource->{'symb'}).                      '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
                         '&student='.$student->{'username'}.                          '&student='.$student->{'username'}.
Line 1085  sub StudentPerformanceOnSequence { Line 1286  sub StudentPerformanceOnSequence {
 }  }
   
 #######################################################  #######################################################
 #######################################################  
 sub StudentAverageTotal {  
     my ($cache, $students, $sequenceKeys)=@_;  
     my $Str = "\n<b>Summary Tables:</b>\n";  
     my %Correct = ();  
     my $ProblemsSolved = 0;  
     my $TotalProblems = 0;  
     my $StudentCount = 0;  
   
     foreach my $name (@$students) {  
         $StudentCount++;  
         foreach my $sequence (@$sequenceKeys) {  
             $Correct{$sequence} +=  
        $cache->{$name.':'.$sequence.':problemsCorrect'};  
         }  
  $ProblemsSolved += $cache->{$name.':problemsSolved'};  
         $TotalProblems += $cache->{$name.':totalProblems'};  
     }  
     if ($StudentCount) {   
         $ProblemsSolved = sprintf( "%.2f",   
                              $ProblemsSolved/$StudentCount);  
         $TotalProblems /= $StudentCount;  
     } else {  
         $ProblemsSolved = 0;  
         $TotalProblems  = 0;  
     }  
   
     $Str .= '<table border=2 cellspacing="1">'."\n";  
     $Str .= '<tr><td><b>Students Count</b></td><td><b>'.  
             $StudentCount.'</b></td></tr>'."\n";  
     $Str .= '<tr><td><b>Total Problems</b></td><td><b>'.  
             $TotalProblems.'</b></td></tr>'."\n";  
     $Str .= '<tr><td><b>Average Correct</b></td><td><b>'.  
             $ProblemsSolved.'</b></td></tr>'."\n";  
     $Str .= '</table>'."\n";  
   
     $Str .= '<table border=2 cellspacing="1">'."\n";  
     $Str .= '<tr><th>Title</th><th>Total Problems</th>'.  
             '<th>Average Correct</th></tr>'."\n";  
     foreach my $S(@$sequenceKeys) {  
         my $title=$cache->{$S.':title'};  
  #$Str .= $cache->{$S.':problems'};  
  #my @problems=split(':', $cache->{$S.':problems'});  
  #my $pCount=scalar @problems;  
  my $pCount=MaxSeqPr($cache,@$students[0],$S);  
         my $crr;  
  if ($StudentCount) {  
             $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );  
         } else {  
             $crr="0.00";  
         }  
         $Str .= '<tr><td>'.$title.  
                 '</td><td align=center>'.$pCount.  
                 '</td><td align=center>'.$crr.  
                 '</td></tr>'."\n";  
     }  
   
     $Str .= '</table>'."\n";  
   
     return $Str;  
 }  
   
 #######################################################  
 #######################################################  #######################################################
   
 =pod  =pod
Removed from v.1.38  
changed lines
  Added in v.1.50

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