--- loncom/interface/statistics/lonstudentassessment.pm 2002/07/24 14:52:32 1.1 +++ loncom/interface/statistics/lonstudentassessment.pm 2003/02/28 21:19:00 1.30 @@ -1,12 +1,10 @@ # The LearningOnline Network with CAPA -# (Publication Handler # -# $Id: lonstudentassessment.pm,v 1.1 2002/07/24 14:52:32 stredwic Exp $ +# $Id: lonstudentassessment.pm,v 1.30 2003/02/28 21:19:00 matthew Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). -# # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or @@ -26,221 +24,535 @@ # http://www.lon-capa.org/ # # (Navigate problems for statistical reports -# YEAR=2001 -# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei -# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei -# YEAR=2002 -# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei -# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei # -### +####################################################### +####################################################### + +=pod + +=head1 NAME + +lonstudentassessment + +=head1 SYNOPSIS + +Presents assessment data about a student or a group of students. + +=head1 Subroutines + +=over 4 + +=cut -package Apache::lonstudentassessment; +####################################################### +####################################################### + +package Apache::lonstudentassessment; use strict; +use Apache::lonstatistics; use Apache::lonhtmlcommon; use Apache::loncoursedata; +use Apache::lonnet; # for logging porpoises use GDBM_File; +my $Statistics; + +####################################################### +####################################################### + +=pod + +=item &BuildStudentAssessmentPage() + +Inputs: + +=over 4 + +=item $cacheDB The name of the cache file used to store student data + +=item $students Array ref containing the name(s) of the students +selected for display + +=item $courseID The ID of the course + +=item $formName The name of the html form - 'Statistics' + +=item $headings Array ref of headings to show + +=item $spacing A string of spaces + +=item $studentInformation Array ref of possible headings for student info +('fullname','section',...) + +=item $r Apache Request + +=item $c Apache Connection + +=back + +=cut + +####################################################### +####################################################### sub BuildStudentAssessmentPage { - my ($cacheDB, $students, $courseID, $c)=@_; + my ($r,$c)=@_; + undef($Statistics); + + # + $r->print(&CreateInterface()); + $r->rflush(); + # + $r->print(&CreateTableHeadings()); + if($c->aborted()) { return ; } + + my $Count = 0; + $r->print('
'."\n");
+    foreach my $student (@Apache::lonstatistics::Students) {
+        if($c->aborted()) { return ; }
+        $r->print(&ChartOutputStudent($student));
+        # output it
+
+        $Count++;
+        if($Count % 5 == 0) {
+            $r->print("
\n
");
+        }
 
-    my %cache;
+        $r->rflush();
+    }
+    $r->print('
'."\n"); + my $Str; + return; +} - my $Ptr = ''; - $Ptr .= ''; +####################################################### +####################################################### - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { - return 'Unable to tie database.'; - } - - my $selectedName = $cache{'StudentAssessmentStudent'}; - for(my $index=0; - ($selectedName ne 'All Students') && ($index<(scalar @$students)); - $index++) { - my $fullname = $cache{$students->[$index].':fullname'}; - if($fullname eq $selectedName) { - if($cache{'StudentAssessmentMove'} eq 'next') { - if($index == ((scalar @$students) - 1)) { - $selectedName = $students->[0]; - } else { - $selectedName = $students->[$index+1]; - } - } elsif($cache{'StudentAssessmentMove'} eq 'previous') { - if($index == 0) { - $selectedName = $students->[-1]; - } else { - $selectedName = $students->[$index-1]; - } - } else { - $selectedName = $students->[$index]; - } +=pod + +=item &CreateInterface() + +Called by &BuildStudentAssessmentPage to create the top part of the +page which displays the chart. + +Inputs: None + +Returns: A string containing the HTML for the headers and top table for +the chart page. + +=cut + +####################################################### +####################################################### +sub CreateInterface { + my $Str = ''; +# $Str .= &CreateLegend(); + $Str .= '
'."\n"; + $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''."\n"; + # + $Str .= ''."\n"; + $Str .= '
SectionsStudent DataSequences and Folders
'."\n"; + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); + $Str .= ''; + my $only_seq_with_assessments = sub { + my $s=shift; + if ($s->{'num_assess'} < 1) { + return 0; + } else { + return 1; + } + }; + $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', + 5,undef); + $Str .= ''."\n"; + $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, + $only_seq_with_assessments); + $Str .= '
'."\n"; + return $Str; +} + + +####################################################### +####################################################### + +=pod + +=item Table Output Routines + +=over 4 + +=cut + +####################################################### +####################################################### +{ + my $padding; + +####################################################### +####################################################### + +=pod + +=item &CreateTableHeadings() + +Create HTML for the columns of student data to show. +Called by &BuildStudentAssessmentPage(). Calls +&Apache::lonhtmlcommon::CreateHeadings(). + +Inputs: + +=over 4 + +=item $cache The ubiquitous cache + +=item $spacing A string of spaces + +=item $infoKeys Array ref to names of keys to display from the cache +which describe students + +=item $infoHeadings Array ref to headings of columns for student info + +=item $sequenceKeys Array ref of names of keys to use to retrieve sequence +data from the cache + +=item $sequenceHeadings Array ref of names of sequences used for output. + +=back + +Returns: A string containing the HTML of the table headings. + +=cut + +####################################################### +####################################################### +sub CreateTableHeadings { + # + $padding = ' 'x3; + # + my $Str = '
';
+    # First, the @StudentData fields need to be listed
+    my @to_show = @Apache::lonstatistics::SelectedStudentData;
+    foreach (@to_show) {
+        if ($_ eq 'all') {
+            @to_show = @Apache::lonstatistics::StudentDataOrder;
             last;
         }
     }
+    foreach my $field (@to_show) {
+        my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
+        my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
+        my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
+        $Str .= $title.' 'x($width-$base).$padding;
+    }
+    # Now the selected sequences need to be listed
+    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);
+            my $title = $sequence->{'title'};
+            my $base  = $sequence->{'base_width'};
+            my $width = $sequence->{'width'};
+            $Str .= $title.' 'x($width-$base).$padding;
+        }
+    }
+    $Str .= 'total';
+    $Str .= "
\n"; + return $Str; +} + +####################################################### +####################################################### - $Ptr .= 'Select Map'."\n"; - $Ptr .= ''; - $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'StudentAssessment'); - $Ptr .= ''."\n"; - $Ptr .= 'Select Student'."\n"; - $Ptr .= ''."\n"; - $Ptr .= &Apache::lonhtmlcommon::StudentOptions(\%cache, $students, - $selectedName, - 'StudentAssessment'); - $Ptr .= ''."\n"; - untie(%cache); - - $Ptr .= ''; - $Ptr .= 'aborted()); - if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) { - &Apache::loncoursedata::ProcessStudentData(\%cache, - $courseData, $_); - if(!$c->aborted()) { $Ptr .= &StudentReport(\%cache, $_); } - untie(%cache); - } - } - if($selected == 0) { - $Ptr .= '

WARNING: '; - $Ptr .= 'Please select a student

'; - } - - return $Ptr; -} - -#---- Student Assessment Web Page -------------------------------------------- - -# ------ Create different Student Report -sub StudentReport { - my ($cache, $name)=@_; +=pod +=item &ChartOutputStudent($student) + +Return a line of the chart for a student. + +=cut + +####################################################### +####################################################### +sub ChartOutputStudent { + my $student = shift; my $Str = ''; - if($cache->{$name.':error'} =~ /course/) { - my ($username)=split(':',$name); - $Str .= 'No course data for student '; - $Str .= ''.$username.'.
'; + # First, the @StudentData fields need to be listed + my @to_show = @Apache::lonstatistics::SelectedStudentData; + foreach (@to_show) { + if ($_ eq 'all') { + @to_show = @Apache::lonstatistics::StudentDataOrder; + last; + } + } + foreach my $field (@to_show) { + my $title=$student->{$field}; + my $base =scalar(my @Tmp = split(//,$title)); + my $width=$Apache::lonstatistics::StudentData{$field}->{'width'}; + $Str .= $title.' 'x($width-$base).$padding; + } + # Get ALL the students data + my %StudentsData; + my @tmp = &Apache::loncoursedata::get_current_state + ($student->{'username'},$student->{'domain'},undef, + $ENV{'request.course.id'}); + if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) { + %StudentsData = @tmp; + } + if (scalar(@tmp) < 1) { + $Str .= 'No Course Data'."\n"; return $Str; } + # + # By sequence build up the data + my $studentstats; + foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) { + foreach my $seq (@Apache::lonstatistics::Sequences) { + next if ($map_symb ne $seq->{'symb'} && $map_symb ne 'all'); + next if ($seq->{'num_assess'} < 1); + my ($performance,$score,$seq_max) = + &StudentPerformanceOnSequence($student,\%StudentsData, + $seq,'linkify'); + $Str .= $performance.$padding; + $studentstats->{$seq->{'symb'}}->{'score'}= $score; + $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max; + } + } + # + # Total it up and store the statistics info. + my ($score,$max) = (0,0); + while (my ($symb,$seq_stats) = each (%{$studentstats})) { + $Statistics->{$symb}->{'score'} += $seq_stats->{'score'}; + $Statistics->{$symb}->{'max'} += $seq_stats->{'max'}; + $score += $seq_stats->{'score'}; + $max += $seq_stats->{'max'}; + } + my $scorelength = scalar(my @tmp1 = split(//,$score)); + my $maxlength = scalar(my @tmp2 = split(//,$max)); + $Str .= ' '.' 'x($maxlength-$scorelength).$score.'/'.$max; + $Str .= " \n"; + return $Str; +} - $Str .= ""; - $Str .= ''."\n"; +####################################################### +####################################################### - my $codes; - my $attempts; - foreach my $sequence (split(':', $cache->{'orderedSequences'})) { - if($cache->{'StudentAssessmentMap'} ne 'All Maps' && - $cache->{'StudentAssessmentMap'} ne $cache->{$sequence.':title'}) { - next; - } - - $Str .= ''; - $Str .= ''; - - $codes = ''; - $attempts = ''; - foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { - my $problem = $cache->{$problemID.':problem'}; - my $LatestVersion = $cache->{$name.':version:'.$problem}; - - # Output dashes for all the parts of this problem if there - # is no version information about the current problem. - if(!$LatestVersion) { - foreach my $part (split(/\:/,$cache->{$sequence.':'. - $problemID. - ':parts'})) { - $codes .= "-,"; - $attempts .= "0,"; - } - next; - } +=pod - my %partData=undef; - # Initialize part data, display skips correctly - # Skip refers to when a student made no submissions on that - # part/problem. - foreach my $part (split(/\:/,$cache->{$sequence.':'. - $problemID. - ':parts'})) { - $partData{$part.':tries'}=0; - $partData{$part.':code'}='-'; - } +=back - # Looping through all the versions of each part, starting with the - # oldest version. Basically, it gets the most recent - # set of grade data for each part. - for(my $Version=1; $Version<=$LatestVersion; $Version++) { - foreach my $part (split(/\:/,$cache->{$sequence.':'. - $problemID. - ':parts'})) { - - if(!defined($cache->{$name.":$Version:$problem". - ":resource.$part.solved"})) { - # No grade for this submission, so skip - next; - } +=cut + +####################################################### +####################################################### + +} + +####################################################### +####################################################### + +=pod + +=item &StudentPerformanceOnSequence() + +Inputs: + +=over 4 + +=item $student - my $tries=0; - my $code='U'; +=item $studentdata Hash ref to all student data - $tries = $cache->{$name.":$Version:$problem". - ":resource.$part.tries"}; - $partData{$part.':tries'}=($tries) ? $tries : 0; - - my $val = $cache->{$name.":$Version:$problem". - ":resource.$part.solved"}; - if ($val eq 'correct_by_student') {$code = 'Y';} - elsif ($val eq 'correct_by_override') {$code = 'y';} - elsif ($val eq 'incorrect_attempted') {$code = 'N';} - elsif ($val eq 'incorrect_by_override'){$code = 'N';} - elsif ($val eq 'excused') {$code = 'x';} - $partData{$part.':code'}=$code; +=item $seq Hash ref, the sequence we are working on + +=item $links if defined we will output links to each resource. + +=back + +=cut + +####################################################### +####################################################### +sub StudentPerformanceOnSequence { + my ($student,$studentdata,$seq,$links) = @_; + my $Str = ''; + my $output_width = 0; + my ($sum,$max) = (0,0); + foreach my $resource (@{$seq->{'contents'}}) { + next if ($resource->{'type'} ne 'assessment'); + my $resource_data = $studentdata->{$resource->{'symb'}}; + my $value = ''; + foreach my $partnum (@{$resource->{'parts'}}) { + $max++; + my $symbol = ' '; # default to space + # + if (exists($resource_data->{'resource.'.$partnum.'.solved'})) { + my $status = $resource_data->{'resource.'.$partnum.'.solved'}; + if ($status eq 'correct_by_override') { + $symbol = '+'; + $sum++; + } elsif ($status eq 'incorrect_by_override') { + $symbol = '-'; + } elsif ($status eq 'ungraded_attempted') { + $symbol = '#'; + } elsif ($status eq 'incorrect_attempted') { + $symbol = '.'; + } elsif ($status eq 'excused') { + $symbol = 'x'; + $max--; + } elsif ($status eq 'correct_by_student' && + exists($resource_data->{'resource.'.$partnum.'.tries'})){ + my $num = $resource_data->{'resource.'.$partnum.'.tries'}; + if ($num > 9) { + $symbol = '*'; + } elsif ($num > 0) { + $symbol = $num; + } else { + $symbol = ' '; + } + $sum++; + } else { + $symbol = ' '; + } + } else { + # Unsolved. Did they try? + if (exists($resource_data->{'resource.'.$partnum.'.tries'})){ + $symbol = '.'; + } else { + $symbol = ' '; } } - - # Loop through all the parts for the current problem in the - # correct order and prepare the output - foreach (split(/\:/,$cache->{$sequence.':'.$problemID. - ':parts'})) { - $codes .= $partData{$_.':code'}.','; - $attempts .= $partData{$_.':tries'}.','; + # + $output_width++; + if (defined($links) && $symbol ne ' ') { + $symbol = ''.$symbol.''; } + $value .= $symbol; + } + $Str .= $value; + } + # Put on the totals + my $ratio = $sum.'/'.$max; + my $ratio_length = scalar(my @tmp1 = split(//,$ratio)); + # Pad with extra spaces + my $width = $seq->{'width'}; + $Str .= ' 'x($width-$output_width-$ratio_length).$ratio; + # + return ($Str,$sum,$max); +} + +####################################################### +####################################################### +sub StudentAverageTotal { + my ($cache, $students, $sequenceKeys)=@_; + my $Str = "\nSummary Tables:\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'}; } - $codes =~ s/,$//; - $attempts =~ s/,$//; - $Str .= ''; - $Str .= ''; - $Str .= ''."\n"; + $ProblemsSolved += $cache->{$name.':problemsSolved'}; + $TotalProblems += $cache->{$name.':totalProblems'}; + } + if ($StudentCount) { + $ProblemsSolved = sprintf( "%.2f", + $ProblemsSolved/$StudentCount); + $TotalProblems /= $StudentCount; + } else { + $ProblemsSolved = 0; + $TotalProblems = 0; } + $Str .= '
\# Set Title Results Tries
'.$sequence.''.$cache->{$sequence.':title'}.''.$codes.''.$attempts.'
'."\n"; + $Str .= ''."\n"; + $Str .= ''."\n"; + $Str .= ''."\n"; $Str .= '
Students Count'. + $StudentCount.'
Total Problems'. + $TotalProblems.'
Average Correct'. + $ProblemsSolved.'
'."\n"; + $Str .= ''."\n"; + $Str .= ''. + ''."\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 .= ''."\n"; + } + + $Str .= '
TitleTotal ProblemsAverage Correct
'.$title. + ''.$pCount. + ''.$crr. + '
'."\n"; + + return $Str; +} + +####################################################### +####################################################### + +=pod + +=item &CreateLegend() + +This function returns a formatted string containing the legend for the +chart. The legend describes the symbols used to represent grades for +problems. + +=cut + +####################################################### +####################################################### +sub CreateLegend { + my $Str = "

".
+              "   1  correct by student in 1 try\n".
+              "   7  correct by student in 7 tries\n".
+              "   *  correct by student in more than 9 tries\n".
+	      "   +  correct by hand grading or override\n".
+              "   -  incorrect by override\n".
+	      "   .  incorrect attempted\n".
+	      "   #  ungraded attempted\n".
+              "      not attempted (blank field)\n".
+	      "   x  excused".
+              "

"; return $Str; } -#---- END Student Assessment Web Page ---------------------------------------- +####################################################### +####################################################### + +=pod + +=back + +=cut + +####################################################### +####################################################### + 1; + __END__