--- loncom/interface/statistics/lonproblemanalysis.pm 2004/03/11 20:11:18 1.77 +++ loncom/interface/statistics/lonproblemanalysis.pm 2004/10/29 16:39:42 1.101 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemanalysis.pm,v 1.77 2004/03/11 20:11:18 matthew Exp $ +# $Id: lonproblemanalysis.pm,v 1.101 2004/10/29 16:39:42 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -51,23 +51,17 @@ my @SubmitButtons = ({ name => 'PrevProb { name => 'NextProblemAnalysis', text => 'Next Problem' }, { name => 'break'}, - { name => 'ClearCache', - text => 'Clear Caches' }, - { name => 'updatecaches', - text => 'Update Student Data' }, { name => 'SelectAnother', text => 'Choose a different Problem' }, { name => 'ExcelOutput', text => 'Produce Excel Output' }); - sub BuildProblemAnalysisPage { my ($r,$c)=@_; # my %Saveable_Parameters = ('Status' => 'scalar', 'Section' => 'array', 'NumPlots' => 'scalar', - 'AnalyzeAs' => 'scalar', 'AnalyzeOver' => 'scalar', ); &Apache::loncommon::store_course_settings('problem_analysis', @@ -81,25 +75,18 @@ sub BuildProblemAnalysisPage { # my @Students = @Apache::lonstatistics::Students; # - if (@Students < 1) { + if (@Students < 1 && exists($ENV{'form.firstrun'})) { $r->print('

There are no students in the sections selected

'); } # - &Apache::loncoursedata::clear_internal_caches(); - if (exists($ENV{'form.ClearCache'}) || - exists($ENV{'form.updatecaches'}) || - (exists($ENV{'form.firstanalysis'}) && - $ENV{'form.firstanalysis'} ne 'no')) { - &Apache::lonstatistics::Gather_Full_Student_Data($r); - } - if (! exists($ENV{'form.firstanalysis'})) { - $r->print(''); - } else { - $r->print(''); - } + my @CacheButtonHTML = + &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); $r->rflush(); # - my $problem_types = '(option|radiobutton)'; + # Support for numerical and radio response isn't complete enough to + # include in 1.2 release. + # my $problem_types = '(option|radiobutton|numerical)'; + my $problem_types = '.';#(option)'; if (exists($ENV{'form.problemchoice'}) && ! exists($ENV{'form.SelectAnother'})) { foreach my $button (@SubmitButtons) { @@ -111,6 +98,9 @@ sub BuildProblemAnalysisPage { $r->print(' 'x5); } } + foreach my $html (@CacheButtonHTML) { + $r->print($html.(' 'x5)); + } # $r->print('
'); $r->rflush(); @@ -144,29 +134,35 @@ sub BuildProblemAnalysisPage { my $resource = $current_problem->{'resource'}; $r->print('

'.$resource->{'title'}.'

'); $r->print('

'.$resource->{'src'}.'

'); - $r->print(&Apache::lonstathelpers::render_resource($resource)); + if ($ENV{'form.show_prob'} eq 'true') { + $r->print(&Apache::lonstathelpers::render_resource($resource)); + } $r->rflush(); my %Data = &Apache::lonstathelpers::get_problem_data ($resource->{'src'}); - my $ProblemData = $Data{$current_problem->{'part'}. + my $problem_data = $Data{$current_problem->{'part'}. '.'. $current_problem->{'respid'}}; if ($current_problem->{'resptype'} eq 'option') { &OptionResponseAnalysis($r,$current_problem, - $ProblemData, + $problem_data, \@Students); } elsif ($current_problem->{'resptype'} eq 'radiobutton') { - &RadioResponseAnalysis($r,$current_problem, - $ProblemData, - \@Students); + &radio_response_analysis($r,$current_problem, + $problem_data, + \@Students); } elsif ($current_problem->{'resptype'} eq 'numerical') { -# if (exists($ENV{'form.ExcelOutput'})) { - &Apache::lonstudentsubmissions::prepare_excel_output - ($r,$current_problem,$ProblemData,\@Students); -# } else { -# &NumericalResponseAnalysis($r,$current_problem, -# $ProblemData,\@Students); -# } + ## + ## analyze all responses of a problem at once + my $res = $current_problem->{'resource'}; + foreach my $partid (@{$res->{'parts'}}) { + $current_problem->{'part'} = $partid; + foreach my $respid (@{$res->{'partdata'}->{$partid}->{'ResponseIds'}}) { + $current_problem->{'respid'}=$respid; + &NumericalResponseAnalysis($r,$current_problem, + $problem_data,\@Students); + } + } } else { $r->print('

This analysis is not supported

'); } @@ -191,14 +187,31 @@ sub BuildProblemAnalysisPage { ######################################################### ######################################################### sub NumericalResponseAnalysis { - my ($r,$problem,$ProblemData,$Students) = @_; - $r->print('

This analysis is not yet supported

'); - my ($resource,$respid) = ($problem->{'resource'}, - $problem->{'respid'}); + my ($r,$problem,$problem_data,$Students) = @_; + my $c = $r->connection(); + my ($resource,$partid,$respid) = ($problem->{'resource'}, + $problem->{'part'}, + $problem->{'respid'}); + # + if (scalar(@{$resource->{'parts'}})>1) { + if (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) { + $r->print('

'. + &mt('Part [_1], response [_2].',$partid,$respid). + '

'); + } else { + $r->print('

'. + &mt('Part [_1]',$partid,$respid). + '

'); + } + } elsif (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) { + $r->print('

'.&mt('Response [_1]',$respid).'

'); + } + # my $analysis_html; - my $PerformanceData = - &Apache::loncoursedata::get_response_data - ($Students,$resource->{'symb'},$respid); + my $PerformanceData = &Apache::loncoursedata::get_response_data + (\@Apache::lonstatistics::SelectedSections, + $Apache::lonstatistics::enrollment_status, + $resource->{'symb'},$respid); if (! defined($PerformanceData) || ref($PerformanceData) ne 'ARRAY' ) { $analysis_html = '

'. @@ -207,66 +220,125 @@ sub NumericalResponseAnalysis { $r->print($analysis_html); return; } - my ($max,$min) = &GetStudentAnswers($r,$problem,$Students); - $r->print('Maximum = '.$max.' Minimum = '.$min); - my $max_students = 0; + # + # This next call causes all the waiting around that people complain about + &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students, + 'Statistics', + 'stats_status'); + return if ($c->aborted()); + # + # Collate the data my %Data; foreach my $student (@$Students) { my $answer = $student->{'answer'}; $Data{$answer}++; - if ($max_students < $Data{$answer}) { - $max_students = $Data{$answer}; - } - } - foreach (5,10,20,25,50,75,100,150,200,250,500,1000,1500,2000,2500,5000) { - if ($max_students < $_) { - $max_students = $_; - last; - } } my @Labels = sort {$a <=> $b } keys(%Data); - $r->print('number of labels = '.scalar(@Labels)); my @PlotData = @Data{@Labels}; - $r->print('number of PlotData = '.scalar(@PlotData)); - my $graph = - &Apache::loncommon::DrawXYGraph('Correct Answer Distribution', - 'Correct Answer', - 'Number of students', - $max_students, - undef, - \@Labels, - [\@PlotData], - (xskip=>10)); - $r->print($graph); + # + my $width = 500; + my $height = 100; + my $plot = &one_dimensional_plot($r,500,100,scalar(@$Students), + \@Labels,\@PlotData); + $r->print($plot); return; } -sub GetStudentAnswers { - my ($r,$problem,$Students) = @_; - my %Answers; - my ($resource,$partid,$respid) = ($problem->{'resource'}, - $problem->{'part'}, - $problem->{'respid'}); - # Open progress window - my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin - ($r,'Student Answer Compilation Status', - 'Student Answer Compilation Progress', scalar(@$Students)); - $r->print("\n"); - $r->rflush(); - foreach my $student (@$Students) { - my $sname = $student->{'username'}; - my $sdom = $student->{'domain'}; - my $answer = &Apache::lonstathelpers::analyze_problem_as_student - ($resource,$sname,$sdom,$partid,$respid); - &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, - &mt('last student')); - $student->{'answer'} = $answer; +sub one_dimensional_plot { + my ($r,$width,$height,$N,$Labels,$Data)=@_; + # + # Compute data -> image scaling factors + my $min = $Labels->[0]; + my $max = $Labels->[-1]; + if ($max == $min) { + $max =$min+1; + } + my $h_scale = ($width-10)/($max-$min); + # + my $max_y = 0; + foreach (@$Data) { + $max_y = $_ if ($max_y < $_); + } + my $ticscale = 5; + if ($max_y * $ticscale > $height/2) { + $ticscale = int($height/2/$max_y); + $ticscale = 1 if ($ticscale < 1); } - $r->print("
\n"); - $r->rflush(); - # close progress window - &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); - return; + # + # Create the plot + my $plot = + qq{}; + for (my $idx=0;$idx[$idx] - $min); + my $top = $height/2-$Data->[$idx]*$ticscale; + my $bottom = $height/2+$Data->[$idx]*$ticscale; + $plot .= + &line($xloc,$top,$xloc,$bottom,'888888',1); + } + # + # Put the scale on last to ensure it is on top of the data. + if ($min < 0 && $max > 0) { + my $circle_x = 5+$h_scale*abs($min); # '0' in data coordinates + my $r = 4; + $plot .= &line(5,$height/2,$circle_x-$r,$height/2,'000000',1); + $plot .= &circle($circle_x,$height/2,$r+1,'000000'); + $plot .= &line($circle_x+$r,$height/2,$width-5,$height/2,'000000',1); + } else { + $plot .= &line(5,$height/2,$width-5,$height/2,'000000',1); + } + $plot .= ''; + my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); + + my $title = 'Distribution of correct answers'; + my $result = ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + '
'. + ''.$title.' (N='.$N.')'. + ''. + '
'.$min.''.$plotresult.''.$max.'
'. + 'Maximum Number of Coinciding Values: '.$max_y. + '
'; + return $result; +} + +## +## Helper subroutines for . +## These should probably go somewhere more suitable soon. +sub line { + my ($x1,$y1,$x2,$y2,$color,$thickness) = @_; + return qq{$/}; +} + +sub text { + my ($x,$y,$color,$text,$font,$direction) = @_; + if (! defined($font) || $font !~ /^(tiny|small|medium|large|giant)$/) { + $font = 'medium'; + } + if (! defined($direction) || $direction ne 'vertical') { + $direction = ''; + } + return qq{$text}; +} + +sub rectangle { + my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_; + return qq{}; +} + +sub arc { + my ($x,$y,$width,$height,$start,$end,$color,$thickness,$filled)=@_; + return qq{}; +} + +sub circle { + my ($x,$y,$radius,$color,$thickness,$filled)=@_; + return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled); } sub build_student_data_worksheet { @@ -303,184 +375,412 @@ sub build_student_data_worksheet { ## ######################################################### ######################################################### -sub RadioResponseAnalysis { - my ($r,$problem,$ProblemData,$Students) = @_; - my ($resource,$respid) = ($problem->{'resource'}, - $problem->{'respid'}); +sub radio_response_analysis { + my ($r,$problem,$problem_analysis,$students) = @_; + # + if ($ENV{'form.AnalyzeOver'} !~ /^(tries|time)$/) { + $r->print('Bad request'); + } + # + my ($resource,$partid,$respid) = ($problem->{'resource'}, + $problem->{'part'}, + $problem->{'respid'}); + # my $analysis_html; - my $PerformanceData = - &Apache::loncoursedata::get_response_data - ($Students,$resource->{'symb'},$respid); - if (! defined($PerformanceData) || - ref($PerformanceData) ne 'ARRAY' ) { + my $foildata = $problem_analysis->{'_Foils'}; + my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); + # + my %true_foils; + my $num_true = 0; + if (! $problem_analysis->{'answercomputed'}) { + foreach my $foil (@$foils) { + if ($foildata->{$foil}->{'value'} eq 'true') { + $true_foils{$foil}++; + } + } + $num_true = scalar(keys(%true_foils)); + } + # + $analysis_html .= $table; + # Gather student data + my $response_data = &Apache::loncoursedata::get_response_data + (\@Apache::lonstatistics::SelectedSections, + $Apache::lonstatistics::enrollment_status, + $resource->{'symb'},$respid); + my $correct; # either a hash reference or a scalar + if ($problem_analysis->{'answercomputed'} || scalar(@$concepts) > 1) { + # This takes a while for large classes... + &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students, + 'Statistics', + 'stats_status'); + foreach my $student (@$students) { + my ($idx,@remainder) = split('&',$student->{'answer'}); + my ($answer) = ($remainder[$idx]=~/^(.*)=([^=]*)$/); + $correct->{$student->{'username'}.':'.$student->{'domain'}}= + &Apache::lonnet::unescape($answer); + } + } else { + foreach my $foil (keys(%$foildata)) { + if ($foildata->{$foil}->{'value'} eq 'true') { + $correct = $foildata->{$foil}->{'name'}; + } + } + } + # + if (! defined($response_data) || ref($response_data) ne 'ARRAY' ) { $analysis_html = '

'. &mt('There is no submission data for this resource'). '

'; $r->print($analysis_html); return; } - if (exists($ENV{'form.ExcelOutput'})) { - $analysis_html .= &RR_Excel_output($r,$problem->{'resource'}, - $PerformanceData,$ProblemData); - } elsif ($ENV{'form.AnalyzeOver'} eq 'Tries') { - $analysis_html .= &RR_Tries_Analysis($r,$problem->{'resource'}, - $PerformanceData,$ProblemData); - } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') { - $analysis_html .= &RR_Time_Analysis($r,$problem->{'resource'}, - $PerformanceData,$ProblemData); - } else { - $analysis_html .= '

'. - &mt('The analysis you have selected is not supported at this time'). - '

'; - } + # + $analysis_html.=''; + for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { + # classify data ->correct foil -> selected foil + my ($restriction_function, + $correct_foil_title,$incorrect_foil_title, + $pre_graph_text,$post_graph_text, + $no_data_text,@extra_data); + if ($ENV{'form.AnalyzeOver'} eq 'tries') { + $restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)}; + $correct_foil_title = 'Attempt '.$plot_num; + $incorrect_foil_title = 'Attempt '.$plot_num; + $pre_graph_text = + 'Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect'; + $post_graph_text = ''; + $no_data_text = 'No data exists for attempt [_1]'; + } elsif ($ENV{'form.AnalyzeOver'} eq 'time') { + my $starttime = &Apache::lonhtmlcommon::get_date_from_form + ('startdate_'.$plot_num); + my $endtime = &Apache::lonhtmlcommon::get_date_from_form + ('enddate_'.$plot_num); + ($starttime,$endtime) = &ensure_start_end_times + ($starttime,$endtime, + &get_time_from_row($response_data->[0]), + &get_time_from_row($response_data->[-1]), + $plot_num); + $pre_graph_text = + 'Data from [_5] to [_6], [_2] submissions, [_3] correct, [_4] incorrect'; + $extra_data[0] = &Apache::lonlocal::locallocaltime($starttime); + $extra_data[1] = &Apache::lonlocal::locallocaltime($endtime); + # + $post_graph_text = + &mt('Start time: [_1]', + &Apache::lonhtmlcommon::date_setter + ('Statistics','startdate_'.$plot_num,$starttime)). + '
'. + &mt('End time: [_1]', + &Apache::lonhtmlcommon::date_setter + ('Statistics','enddate_'.$plot_num,$endtime)); + $restriction_function = + sub { + my $t = $_[0]->{'timestamp'}; + if ($t >= $starttime && $t < $endtime) { + return 1; + } else { + return 0; + } + }; + $no_data_text = 'No data for [_5] to [_6]'; + } + my $foil_choice_data = + &RR_classify_response_data($response_data,$correct, + $restriction_function); + # &Apache::lonstathelpers::log_hash_ref($foil_choice_data); + my $answers; + if (ref($correct)) { + my %tmp; + foreach my $foil (values(%$correct)) { + $tmp{$foil}++; + } + $answers = [keys(%tmp)]; + } else { + $answers = [$correct]; + } + # Concept Plot + my $concept_plot = ''; + if (scalar(@$concepts) > 1) { + $concept_plot = &RR_concept_plot($concepts,$foil_choice_data, + 'Correct Concepts'); + } + # % Choosing plot + my $choice_plot = &RR_create_percent_selected_plot + ($concepts,$foils,$foil_choice_data,$correct_foil_title); + # for each correct foil, how did they mark it? (stacked bar graph) + my ($stacked_plot,$count_by_foil); + if ($problem_analysis->{'answercomputed'} || $num_true > 1) { + ($stacked_plot,$count_by_foil) = + &RR_create_stacked_selection_plot($foils,$foil_choice_data, + $incorrect_foil_title, + \%true_foils); + } + # + if ($concept_plot ne '' || + $choice_plot ne '' || + $stacked_plot ne '') { + my $correct = $foil_choice_data->{'_correct'}; + if (! defined($correct) || $correct eq '') { + $correct = 0; + } + my $incorrect = + $analysis_html.= ''.$/; + $analysis_html.= + ''. + ''. + ''; + if ($stacked_plot ne '') { + $analysis_html .= + ''. + ''; + } else { + $analysis_html .= (''x2); + } + $analysis_html.=''.$/; + if (defined($post_graph_text)) { + $analysis_html.= ''.$/; + } + } elsif ($no_data_text ne '') { + $analysis_html.=''.$/; + } + } # end of loop for plots + $analysis_html.='
'. + ''. + &mt($pre_graph_text, + $plot_num,$foil_choice_data->{'_count'}, + $correct, + $foil_choice_data->{'_count'}-$correct, + @extra_data). + '
'.$concept_plot.''.$choice_plot.''.$stacked_plot.''.&build_foil_key($foils,$count_by_foil).'
'. + $post_graph_text.'
'. + &mt($no_data_text, + $plot_num,$foil_choice_data->{'_count'}, + $correct, + $foil_choice_data->{'_count'}-$correct, + @extra_data); + if (defined($post_graph_text)) { + $analysis_html.='
'.$post_graph_text; + } + $analysis_html.='
'; $r->print($analysis_html); } -sub RR_Excel_output { - my ($r,$PerformanceData,$ProblemData) = @_; - return '

No!

'; -} - -sub RR_Tries_Analysis { - my ($r,$resource,$PerformanceData,$ProblemData) = @_; - my $analysis_html; - my $mintries = 1; - my $maxtries = $ENV{'form.NumPlots'}; - my ($table,$Foils,$Concepts) = &build_foil_index($ProblemData); - if ((! defined($Concepts)) || ((@$Concepts < 2) && - ($ENV{'form.AnalyzeAs'} ne 'Foils'))) { - $table = '

'. - &mt('Not enough data for concept analysis. '. - 'Performing Foil Analysis'). - '

'.$table; - $ENV{'form.AnalyzeAs'} = 'Foils'; - } - $analysis_html .= $table; - my @TryData = &RR_tries_data_analysis($r,$PerformanceData); -# if ($ENV{'form.AnalyzeAs'} eq 'Foils') { - $analysis_html .= &RR_Tries_Foil_Analysis($mintries,$maxtries,$Foils, - \@TryData,$ProblemData); -# } else { -# $analysis_html = &RR_Tries_Concept_Analysis($mintries,$maxtries, -# $Concepts, -# \@TryData, -# $ProblemData); -# } - return $analysis_html; -} - -sub RR_tries_data_analysis { - my ($r,$Attempt_data) = @_; - my @TryData; - foreach my $attempt (@$Attempt_data) { - my %Attempt = &hashify_attempt($attempt); - my ($answer,undef) = split('=',$Attempt{'submission'}); - $TryData[$Attempt{'tries'}]->{$answer}++; - } - return @TryData; -} - -sub RR_Time_Analysis { - my ($r,$PerformanceData,$ProblemData) = @_; - my $html; - return $html; -} - -sub RR_Tries_Foil_Analysis { - my ($min,$max,$Foils,$TryData,$ProblemData) = @_; - my $html; - # - # Compute the data neccessary to make the plots - for (my $try=$min;$try<=$max;$try++) { - my @PlotData_Correct; - my @PlotData_Incorrect; - next if ($try > scalar(@{$TryData})); - next if (! defined($TryData->[$try])); - my %DataSet = %{$TryData->[$try]}; - my $total = 0; - foreach my $foilid (@$Foils) { - $total += $DataSet{$foilid}; - } - foreach my $foilid (@$Foils) { - if ($total == 0) { - push (@PlotData_Correct,0); - push (@PlotData_Incorrect,0); - } else { - if ($ProblemData->{'_Foils'}->{$foilid}->{'value'} eq 'true') { - push (@PlotData_Correct, - int(100*$DataSet{$foilid}/$total)); - push (@PlotData_Incorrect,0); +sub ensure_start_end_times { + my ($start,$end,$first,$last,$plot_num) = @_; + if (! defined($start) || ! defined($end)) { + my $sec_in_day = 86400; + my ($sday,$smon,$syear) = + (localtime($last - $sec_in_day*($plot_num-1)))[3..5]; + $start = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); + $end = $start + $sec_in_day; + if ($plot_num == $ENV{'form.NumPlots'}) { + $start = $first; + } + } + return ($start,$end); +} + +sub RR_concept_plot { + my ($concepts,$foil_data,$title) = @_; + # + my %correct_by_concept; + my %incorrect_by_concept; + my %true; + foreach my $concept (@$concepts) { + foreach my $foil (@{$concept->{'foils'}}) { + next if (! exists($foil_data->{$foil})); + foreach my $choice (keys(%{$foil_data->{$foil}})) { + if ($choice eq $foil) { + $correct_by_concept{$concept->{'name'}} += + $foil_data->{$foil}->{$choice}; } else { - push (@PlotData_Correct,0); - push (@PlotData_Incorrect, - int(100*$DataSet{$foilid}/$total)); + $incorrect_by_concept{$concept->{'name'}} += + $foil_data->{$foil}->{$choice}; + } } } - my $title='Attempt '.$try; - my $xlabel = $total.' Submissions'; - $html.= &Apache::loncommon::DrawBarGraph($title, - $xlabel, - 'Percent Choosing', - 100, - ['#33ff00','#ff3300'], - undef, - \@PlotData_Correct, - \@PlotData_Incorrect); - } - return $html; -} - -sub RR_Tries_Concept_Analysis { - my ($min,$max,$Concepts,$ResponseData,$ProblemData) = @_; - my $html; - return $html; -} - -sub RR_Time_Foil_Analysis { - my ($min,$max,$Foils,$ResponseData,$ProblemData) = @_; - my $html; - return $html; -} - -sub RR_Time_Concept_Analysis { - my ($min,$max,$Concepts,$ResponseData,$ProblemData) = @_; - my $html; - return $html; + } + # + # need arrays for incorrect and correct because we want to use different + # colors for them + my @correct; + # + my $total =0; + for (my $i=0;$i[$i]; + $correct[$i] = $correct_by_concept{$concept->{'name'}}; + $total += $correct_by_concept{$concept->{'name'}}+ + $incorrect_by_concept{$concept->{'name'}}; + } + if ($total == 0) { return ''; }; + for (my $i=0;$i<=$#correct;$i++) { + $correct[$i] = sprintf('%0f',$correct[$i]/$total*100); + } + my $xlabel = 'concept'; + my $plot= &Apache::loncommon::DrawBarGraph($title, + $xlabel, + 'Percent Choosing', + 100, + ['#33ff00','#ff3300'], + undef, + \@correct); + return $plot; +} + +sub RR_create_percent_selected_plot { + my ($concepts,$foils,$foil_data,$title) = @_; + # + if ($foil_data->{'_count'} == 0) { return ''; }; + my %correct_selections; + my %incorrect_selections; + foreach my $foil (@$foils) { + # foil_data has format $foil_data->{true_foil}->{selected foil}=count + next if (! exists($foil_data->{$foil})); + while (my ($f,$count)= each(%{$foil_data->{$foil}})) { + if ($f eq $foil) { + $correct_selections{$foil} += $count; + } else { + $incorrect_selections{$f} += $count; + } + } + } + # + # need arrays for incorrect and correct because we want to use different + # colors for them + my @correct; + my @incorrect; + # + my $total = $foil_data->{'_count'}; + for (my $i=0;$i[$i]; + $correct[$i] = $correct_selections{$foil}; + $incorrect[$i] = $incorrect_selections{$foil}; + } + for (my $i=0;$i<=$#correct;$i++) { + $correct[$i] = sprintf('%2f',$correct[$i]/$total*100); + } + for (my $i=0;$i<=$#incorrect;$i++) { + $incorrect[$i] = sprintf('%2f',$incorrect[$i]/$total*100); + } + # + # Put a blank in the data sets between concepts, if there are concepts + my @labels; + if (defined($concepts) && scalar(@$concepts) > 1) { + my @new_correct; + my @new_incorrect; + my $foil_count = 0; + foreach my $concept (@$concepts) { + foreach (@{$concept->{'foils'}}) { + push(@new_correct, $correct[$foil_count]); + push(@new_incorrect,$incorrect[$foil_count]); + push(@labels,++$foil_count); + } + push(@new_correct,''); + push(@new_incorrect,''); + push(@labels,''); + } + @correct = @new_correct; + @incorrect = @new_incorrect; + } else { + @labels = (1 .. scalar(@correct)); + } + # + my $xlabel = 'foil chosen'; + my $plot= &Apache::loncommon::DrawBarGraph($title, + $xlabel, + 'Percent Choosing', + 100, + ['#33ff00','#ff3300'], + \@labels, + \@correct, + \@incorrect); + return $plot; +} + +sub RR_create_stacked_selection_plot { + my ($foils,$foil_data,$title,$true_foils)=@_; + # + my @dataset; # array of array refs - multicolor rows $datasets[row]->[col] + my @labels; + my $count; + my %column; # maps foil name to column in @datasets + for (my $i=0;$i[$i]; + if (defined($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]})); + $column{$foil}= $count++; + for (my $j=0;$j{$foil}->{$foils->[$j]}; + } + $dataset[$j]->[$column{$foil}]=$value; + } + } + # + return '' if (! scalar(keys(%column))); + # + my $grand_total = 0; + my %count_per_foil; + while (my ($foil,$bar) = each (%column)) { + my $bar_total = 0; + for (my $j=0;$j[$bar]; + } + next if ($bar_total == 0); + for (my $j=0;$j[$bar] = + sprintf('%2f',$dataset[$j]->[$bar]/$bar_total * 100); + } + $count_per_foil{$foil}=' ( '.$bar_total.' )'; + $grand_total += $bar_total; + } + if ($grand_total == 0) { + return ('',undef); + } + my @empty_row = (); + foreach (@{$dataset[0]}) { + push(@empty_row,0); + } + # + my $graph = &Apache::loncommon::DrawBarGraph + ($title,'Correct Foil','foils chosen Incorrectly', + 100,$plotcolors,\@labels,\@empty_row,@dataset); + return ($graph,\%count_per_foil); } - -sub get_Radio_problem_data { - my ($url) = @_; - my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); - (my $garbage,$Answ)=split('_HASH_REF__',$Answ,2); - my %Answer = &Apache::lonnet::str2hash($Answ); - my %Partdata; - foreach my $part (@{$Answer{'parts'}}) { - while (my($key,$value) = each(%Answer)) { -# if (ref($value) eq 'ARRAY') { -# &Apache::lonnet::logthis('is ref part:'.$part.' '.$key.'='.join(',',@$value)); -# } else { -# &Apache::lonnet::logthis('notref part:'.$part.' '.$key.'='.$value); -# } - next if ($key !~ /^$part/); - $key =~ s/^$part\.//; - if ($key eq 'foils') { - $Partdata{$part}->{'_Foils'}=$value; - } elsif ($key eq 'options') { - $Partdata{$part}->{'_Options'}=$value; - } elsif ($key eq 'shown') { - $Partdata{$part}->{'_Shown'}=$value; - } elsif ($key =~ /^foil.value.(.*)$/) { - $Partdata{$part}->{$1}->{'value'}=$value; - } elsif ($key =~ /^foil.text.(.*)$/) { - $Partdata{$part}->{$1}->{'text'}=$value; +# if $correct is a hash ref, it is assumed to be indexed by student names. +# the values are assumed to be hash refs with a key of 'answer'. +sub RR_classify_response_data { + my ($full_row_data,$correct,$function) = @_; + my %submission_data; + foreach my $row (@$full_row_data) { + my %subm = &hashify_attempt($row); + if (ref($correct) eq 'HASH') { + $subm{'correct'} = $correct->{$subm{'student'}}; + } else { + $subm{'correct'} = $correct; + } + $subm{'submission'} =~ s/=\d+\s*$//; + if (&$function(\%subm)) { + $submission_data{'_count'}++; + if (&submission_is_correct($subm{'award'})) { + $submission_data{'_correct'}++; } + $submission_data{$subm{'correct'}}->{$subm{'submission'}}++; } } - return %Partdata; + return \%submission_data; } + ######################################################### ######################################################### ## @@ -489,13 +789,14 @@ sub get_Radio_problem_data { ######################################################### ######################################################### sub OptionResponseAnalysis { - my ($r,$problem,$ProblemData,$Students) = @_; + my ($r,$problem,$problem_data,$Students) = @_; my ($resource,$respid) = ($problem->{'resource'}, $problem->{'respid'}); # Note: part data is not needed. - my $PerformanceData = - &Apache::loncoursedata::get_response_data - ($Students,$resource->{'symb'},$respid); + my $PerformanceData = &Apache::loncoursedata::get_response_data + (\@Apache::lonstatistics::SelectedSections, + $Apache::lonstatistics::enrollment_status, + $resource->{'symb'},$respid); if (! defined($PerformanceData) || ref($PerformanceData) ne 'ARRAY' ) { $r->print('

'. @@ -506,19 +807,19 @@ sub OptionResponseAnalysis { if (exists($ENV{'form.ExcelOutput'})) { my $result = &OR_excel_sheet($r,$resource, $PerformanceData, - $ProblemData); + $problem_data); $r->print($result); $r->rflush(); } else { - if ($ENV{'form.AnalyzeOver'} eq 'Tries') { + if ($ENV{'form.AnalyzeOver'} eq 'tries') { my $analysis_html = &OR_tries_analysis($r, $PerformanceData, - $ProblemData); + $problem_data); $r->print($analysis_html); $r->rflush(); - } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') { + } elsif ($ENV{'form.AnalyzeOver'} eq 'time') { my $analysis_html = &OR_time_analysis($PerformanceData, - $ProblemData); + $problem_data); $r->print($analysis_html); $r->rflush(); } else { @@ -533,7 +834,7 @@ sub OptionResponseAnalysis { ######################################################### # -# Option Response: Tries Analysis +# Option Response: tries Analysis # ######################################################### sub OR_tries_analysis { @@ -541,77 +842,103 @@ sub OR_tries_analysis { my $mintries = 1; my $maxtries = $ENV{'form.NumPlots'}; my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); - if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { - $table = '

'. - &mt('Not enough data for concept analysis. '. - 'Performing Foil Analysis'). - '

'.$table; - $ENV{'form.AnalyzeAs'} = 'Foils'; - } - my %ResponseData = &OR_analyze_by_tries($r,$PerformanceData, + my %response_data = &OR_analyze_by_tries($r,$PerformanceData, $mintries,$maxtries); my $analysis = ''; - if ($ENV{'form.AnalyzeAs'} eq 'Foils') { - $analysis = &OR_Tries_Foil_Analysis($mintries,$maxtries,$Concepts, - \%ResponseData,$ORdata); - } else { - $analysis = &OR_Tries_Concept_Analysis($mintries,$maxtries, - $Concepts,\%ResponseData,$ORdata); - } - $table .= $analysis; - return $table; -} - -sub OR_Tries_Foil_Analysis { - my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_; - my %ResponseData = %$respdat; # - # Compute the data neccessary to make the plots - my @PlotData; - foreach my $concept (@$Concepts) { + # Compute the data necessary to make the plots + my @foil_plot; + my @concept_data; + for (my $j=0;$j<=scalar(@$Concepts);$j++) { + my $concept = $Concepts->[$j]; foreach my $foilid (@{$concept->{'foils'}}) { for (my $try=$mintries;$try<=$maxtries;$try++) { - if ($ResponseData{$foilid}->[$try]->{'_total'} == 0) { - push(@{$PlotData[$try]->{'_correct'}},0); + # concept analysis data + $concept_data[$j]->[$try]->{'_correct'} += + $response_data{$foilid}->[$try]->{'_correct'}; + $concept_data[$j]->[$try]->{'_total'} += + $response_data{$foilid}->[$try]->{'_total'}; + # + # foil analysis data + if ($response_data{$foilid}->[$try]->{'_total'} == 0) { + push(@{$foil_plot[$try]->{'_correct'}},0); } else { - push(@{$PlotData[$try]->{'_correct'}}, - 100*$ResponseData{$foilid}->[$try]->{'_correct'}/ - $ResponseData{$foilid}->[$try]->{'_total'}); + push(@{$foil_plot[$try]->{'_correct'}}, + 100*$response_data{$foilid}->[$try]->{'_correct'}/ + $response_data{$foilid}->[$try]->{'_total'}); } foreach my $option (@{$ORdata->{'_Options'}}) { - push(@{$PlotData[$try]->{'_total'}}, - $ResponseData{$foilid}->[$try]->{'_total'}); - if ($ResponseData{$foilid}->[$try]->{'_total'} == 0) { - push (@{$PlotData[$try]->{$option}},0); + push(@{$foil_plot[$try]->{'_total'}}, + $response_data{$foilid}->[$try]->{'_total'}); + if ($response_data{$foilid}->[$try]->{'_total'} == 0) { + push (@{$foil_plot[$try]->{$option}},0); } else { - if ($ResponseData{$foilid}->[$try]->{'_total'} == - $ResponseData{$foilid}->[$try]->{'_correct'}) { - push(@{$PlotData[$try]->{$option}},0); + if ($response_data{$foilid}->[$try]->{'_total'} == + $response_data{$foilid}->[$try]->{'_correct'}) { + push(@{$foil_plot[$try]->{$option}},0); } else { - push (@{$PlotData[$try]->{$option}}, + push (@{$foil_plot[$try]->{$option}}, 100 * - $ResponseData{$foilid}->[$try]->{$option} / - ($ResponseData{$foilid}->[$try]->{'_total'} + $response_data{$foilid}->[$try]->{$option} / + ($response_data{$foilid}->[$try]->{'_total'} - - $ResponseData{$foilid}->[$try]->{'_correct'} + $response_data{$foilid}->[$try]->{'_correct'} )); } } } # End of foreach my $option } } # End of foreach my $foilid - } # End of foreach my $concept + } # End of concept loops # # Build a table for the plots - my $analysis_html = "\n"; + my $analysis_html = "
\n"; my $optionkey = &build_option_index($ORdata); + my $num_concepts = 1; + if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); } + # for (my $try=$mintries;$try<=$maxtries;$try++) { - my $count = $ResponseData{'_total'}->[$try]; - my $title = 'Submission '.$try.' (N='.$count.')'; + if (! defined($response_data{'_total'}->[$try]) || + $response_data{'_total'}->[$try] == 0) { + if ($try > 1) { + $analysis_html.= ''; + } else { + $analysis_html.= ''; + } + last; + } + my $concept_graph=''; + if ($num_concepts > 1) { + # + # Create concept plot + my @concept_plot_data; + for (my $j=0;$j<=$#concept_data;$j++) { + my $total = $concept_data[$j]->[$try]->{'_total'}; + if ($total == 0) { + $concept_plot_data[$j] = 0; + } else { + $concept_plot_data[$j] = 100 * + sprintf('%0.3f', + $concept_data[$j]->[$try]->{'_correct'} / + $total); + } + } + # + $concept_graph = &Apache::loncommon::DrawBarGraph + ('Correct Concepts','Concept Number','Percent Correct', + 100,$plotcolors,undef,\@concept_plot_data); + } + # + # Create Foil Plots + my $data_count = $response_data{'_total'}->[$try]; + my $correct = $response_data{'_correct'}->[$try]; my @Datasets; foreach my $option ('_correct',@{$ORdata->{'_Options'}}) { - next if (! exists($PlotData[$try]->{$option})); - push(@Datasets,$PlotData[$try]->{$option}); + next if (! exists($foil_plot[$try]->{$option})); + push(@Datasets,$foil_plot[$try]->{$option}); } # # Put a blank in the data set between concepts @@ -638,10 +965,9 @@ sub OR_Tries_Foil_Analysis { push(@Labels,''); } # - my $correctgraph = &Apache::loncommon::DrawBarGraph - ($title,'Foil Number','Percent Correct', + my $correct_graph = &Apache::loncommon::DrawBarGraph + ('Correct Statements','Statement','% Answered Correct', 100,$plotcolors,\@Labels,$Datasets[0]); - $analysis_html.= ''; # # @@ -649,83 +975,27 @@ sub OR_Tries_Foil_Analysis { for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) { $Datasets[0]->[$i]=0; } - $count = $ResponseData{'_total'}->[$try] - - $ResponseData{'_correct'}->[$try]; - $title = 'Submission '.$try.' (N='.$count.')'; - my $incorrectgraph = &Apache::loncommon::DrawBarGraph - ($title,'Foil Number','% Option Chosen Incorrectly', + my $count = $response_data{'_total'}->[$try] - + $response_data{'_correct'}->[$try]; + my $incorrect_graph = &Apache::loncommon::DrawBarGraph + ('Incorrect Statements','Statement','% Chosen Incorrectly', 100,$plotcolors,\@Labels,@Datasets); - $analysis_html.= ''; - $analysis_html.= '\n"; + $analysis_html.= + ''.$/. + ''. + ''. + ''. + ''. + ''.$/; } $analysis_html .= "
'. + &mt('None of the selected students attempted the problem more than [_1] times.',$try-1). + '
'. + &mt('None of the selected students have attempted the problem').'
'.$correctgraph.''.$incorrectgraph.''.$optionkey."
'. + ''. + &mt('Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect', + $try,$data_count,$correct,$data_count-$correct). + ''.'
'.$concept_graph.''.$correct_graph.''.$incorrect_graph.''.$optionkey.''. + '
\n"; - return $analysis_html; -} - -sub OR_Tries_Concept_Analysis { - my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_; - my %ResponseData = %$respdat; - my $analysis_html = "\n"; - # - # Compute the data neccessary to make the plots - my @PlotData; - # Concept analysis - # - # Note: we do not bother with characterizing the students incorrect - # answers at the concept level because an incorrect answer for one foil - # may be a correct answer for another foil. - my %ConceptData; - foreach my $concept (@{$Concepts}) { - for (my $i=$mintries;$i<=$maxtries;$i++) { - # - # Gather the per-attempt data - my $cdata = $ConceptData{$concept}->[$i]; - foreach my $foilid (@{$concept->{'foils'}}) { - $cdata->{'_correct'} += - $ResponseData{$foilid}->[$i]->{'_correct'}; - $cdata->{'_total'} += - $ResponseData{$foilid}->[$i]->{'_total'}; - } - push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); - if ($cdata->{'_total'} == 0) { - push (@{$PlotData[$i]->{'_correct'}},0); - } else { - push (@{$PlotData[$i]->{'_correct'}}, - 100*$cdata->{'_correct'}/$cdata->{'_total'}); - } - } - } - # Build a table for the plots - for (my $i=$mintries;$i<=$maxtries;$i++) { - my $minstu = $PlotData[$i]->{'_total'}->[0]; - my $maxstu = $PlotData[$i]->{'_total'}->[0]; - foreach my $count (@{$PlotData[$i]->{'_total'}}) { - if ($minstu > $count) { - $minstu = $count; - } - if ($maxstu < $count) { - $maxstu = $count; - } - } - $maxstu = 0 if (! defined($maxstu)); - $minstu = 0 if (! defined($minstu)); - my $title; - my $count = $ResponseData{'_total'}->[$i]; - if ($count == 0) { - $count = 'no submissions'; - } elsif ($count == 1) { - $count = '1 submission'; - } else { - $count = $count.' submissions'; - } - $title = 'Attempt '.$i.', '.$count; - my $graphlink = &Apache::loncommon::DrawBarGraph - ($title,'Concept Number','Percent Correct', - 100,$plotcolors,undef,$PlotData[$i]->{'_correct'}); - $analysis_html.= '\n"; - } - $analysis_html .= "
'.$graphlink."
\n"; - return $analysis_html; + $table .= $analysis_html; + return $table; } sub OR_analyze_by_tries { @@ -733,11 +1003,14 @@ sub OR_analyze_by_tries { my %Trydata; $mintries = 1 if (! defined($mintries) || $mintries < 1); $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); + my @students; foreach my $row (@$PerformanceData) { next if (! defined($row)); my $tries = &get_tries_from_row($row); my %Row = &Process_OR_Row($row); next if (! %Row); + my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; + $students[$tries]->{$student_id}++; while (my ($foilid,$href) = each(%Row)) { if (! ref($href)) { $Trydata{$foilid}->[$tries] += $href; @@ -748,6 +1021,9 @@ sub OR_analyze_by_tries { } } } + for (my $try=$mintries;$try<=$maxtries;$try++) { + $Trydata{'_studentcount'}->[$try] = scalar(keys(%{$students[$try]})); + } return %Trydata; } @@ -757,19 +1033,23 @@ sub OR_analyze_by_tries { # ######################################################### sub OR_time_analysis { - my ($PerformanceData,$ORdata) = @_; + my ($performance_data,$ORdata) = @_; my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); - if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { + my $foilkey = &build_option_index($ORdata); + my $num_concepts = 1; + if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); } + # + if ($num_concepts < 2) { $table = '

'. &mt('Not enough data for concept analysis. '. 'Performing Foil Analysis'). - '

'.$table; - $ENV{'form.AnalyzeAs'} = 'Foils'; + '

'.$table; } + # my $num_plots = $ENV{'form.NumPlots'}; - my $num_data = scalar(@$PerformanceData)-1; - my $percent = sprintf('%2f',100/$num_plots); + my $num_data = scalar(@$performance_data)-1; # + my $current_index; $table .= "\n"; for (my $i=0;$i<$num_plots;$i++) { ## @@ -779,16 +1059,20 @@ sub OR_time_analysis { ('enddate_'.$i); if (! defined($starttime) || ! defined($endtime)) { my $sec_in_day = 86400; - my $last_sub_time = &get_time_from_row($PerformanceData->[-1]); - my ($sday,$smon,$syear); - (undef,undef,undef,$sday,$smon,$syear) = - localtime($last_sub_time - $sec_in_day*$i); + my $last_sub_time = &get_time_from_row($performance_data->[-1]); + my ($sday,$smon,$syear) = + (localtime($last_sub_time - $sec_in_day*$i))[3..5]; $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); $endtime = $starttime + $sec_in_day; if ($i == ($num_plots -1 )) { - $starttime = &get_time_from_row($PerformanceData->[0]); + $starttime = &get_time_from_row($performance_data->[0]); } } + $table .= ''.$/; my $startdateform = &Apache::lonhtmlcommon::date_setter ('Statistics','startdate_'.$i,$starttime); my $enddateform = &Apache::lonhtmlcommon::date_setter @@ -797,191 +1081,179 @@ sub OR_time_analysis { my $begin_index; my $end_index; my $j; - while (++$j < scalar(@$PerformanceData)) { - last if (&get_time_from_row($PerformanceData->[$j]) + while (++$j < scalar(@$performance_data)) { + last if (&get_time_from_row($performance_data->[$j]) > $starttime); } $begin_index = $j; - while (++$j < scalar(@$PerformanceData)) { - last if (&get_time_from_row($PerformanceData->[$j]) > $endtime); + while ($j < scalar(@$performance_data)) { + if (&get_time_from_row($performance_data->[$j]) > $endtime) { + last; + } else { + $j++; + } } $end_index = $j; ## - my $interval = { - begin_index => $begin_index, - end_index => $end_index, - startdateform => $startdateform, - enddateform => $enddateform, - }; - if ($ENV{'form.AnalyzeAs'} eq 'Foils') { - $table .= &OR_Foil_Time_Analysis($PerformanceData,$ORdata,$Foils, - $interval); - } else { - $table .= &OR_Concept_Time_Analysis($PerformanceData,$ORdata, - $Concepts,$interval); - } + my ($processed_time_data,$correct,$data_count,$student_count) = + &OR_time_process_data($performance_data,$begin_index,$end_index); + ## + $table .= ''.$/; + my $concept_correct_plot = ''; + if ($num_concepts > 1) { + $concept_correct_plot = + &OR_Concept_Time_Analysis($processed_time_data, + $correct,$data_count,$student_count, + $ORdata,$Concepts); + } + my ($foil_correct_plot,$foil_incorrect_plot) = + &OR_Foil_Time_Analysis($processed_time_data, + $correct,$data_count,$student_count, + $ORdata,$Foils,$Concepts); + $table .= ''. + ''. + ''. + ''. + ''.$/; + $table .= ''.$/; + $table.= ''.$/; } + $table .= '
'. + &mt('Data from [_1] to [_2]', + &Apache::lonlocal::locallocaltime($starttime), + &Apache::lonlocal::locallocaltime($endtime)). + '
'. + &mt('[_1] submissions from [_2] students submitting, [_3] correct, [_4] incorrect', + $data_count,$student_count,$correct,$data_count-$correct). + '
'.$concept_correct_plot.''.$foil_correct_plot.''.$foil_incorrect_plot.''.$foilkey.'
'. + &mt('Start time: [_1]',$startdateform).'
'. + &mt('End time: [_1]',$enddateform).'
 
'; # return $table; } sub OR_Foil_Time_Analysis { - my ($PerformanceData,$ORdata,$Foils,$interval) = @_; + my ($processed_time_data,$correct,$data_count,$student_count, + $ORdata,$Foils,$Concepts) = @_; + if ($data_count <= 0) { + return ('

'.&mt('There is no data to plot').'

',''); + } my $analysis_html; - my $foilkey = &build_option_index($ORdata); - my ($begin_index,$end_index) = ($interval->{'begin_index'}, - $interval->{'end_index'}); - my %TimeData; - # - # Compute the number getting the foils correct or incorrects - for (my $j=$begin_index;$j<=$end_index;$j++) { - my $row = $PerformanceData->[$j]; - next if (! defined($row)); - my %Row = &Process_OR_Row($row); - while (my ($foilid,$href) = each(%Row)) { - if (! ref($href)) { - $TimeData{$foilid} += $href; - next; + my @plotdata; + my @labels; + foreach my $concept (@{$Concepts}) { + foreach my $foil (@{$concept->{'foils'}}) { + push(@labels,scalar(@labels)+1); + my $total = $processed_time_data->{$foil}->{'_total'}; + if ($total == 0) { + push(@{$plotdata[0]},0); + } else { + push(@{$plotdata[0]}, + 100 * $processed_time_data->{$foil}->{'_correct'} / $total); } - while (my ($option,$value) = each(%$href)) { - $TimeData{$foilid}->{$option}+=$value; + my $total_incorrect = $total - $processed_time_data->{$foil}->{'_correct'}; + for (my $i=0;$i{'_Options'}});$i++) { + my $option = $ORdata->{'_Options'}->[$i]; + if ($total_incorrect == 0) { + push(@{$plotdata[$i+1]},0); + } else { + push(@{$plotdata[$i+1]}, + 100 * $processed_time_data->{$foil}->{$option} / $total_incorrect); + } } } - } - my @Plotdata; - foreach my $foil (@$Foils) { - my $total = $TimeData{$foil}->{'_total'}; - if ($total == 0) { - push(@{$Plotdata[0]},0); - } else { - push(@{$Plotdata[0]}, - 100 * $TimeData{$foil}->{'_correct'} / $total); - } - my $total_incorrect = $total - $TimeData{$foil}->{'_correct'}; - my $optionidx = 1; - foreach my $option (@{$ORdata->{'_Options'}}) { - if ($total_incorrect == 0) { - push(@{$Plotdata[$optionidx]},0); - } else { - push(@{$Plotdata[$optionidx]}, - 100 * $TimeData{$foil}->{$option} / $total_incorrect); - } - } continue { - $optionidx++; + # Put in a blank one + push(@labels,''); + push(@{$plotdata[0]},0); + for (my $i=0;$i{'_Options'}});$i++) { + push(@{$plotdata[$i+1]},0); } } # # Create the plot - my $count = $end_index-$begin_index; - my $title; - if ($count == 0) { - $title = 'no submissions'; - } elsif ($count == 1) { - $title = 'one submission'; - } else { - $title = $count.' submissions'; - } - my $correctplot = &Apache::loncommon::DrawBarGraph($title, - 'Foil Number', - 'Percent Correct', - 100, - $plotcolors, - undef, - $Plotdata[0]); - for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) { - $Plotdata[0]->[$j]=0; - } - $count = $end_index-$begin_index-$TimeData{'_correct'}; - if ($count == 0) { - $title = 'no submissions'; - } elsif ($count == 1) { - $title = 'one submission'; - } else { - $title = $count.' submissions'; - } - my $incorrectplot = &Apache::loncommon::DrawBarGraph($title, - 'Foil Number', - 'Incorrect Option Choice', - 100, - $plotcolors, - undef, - @Plotdata); - $analysis_html.=''. - ''.$correctplot.''. - ''.$incorrectplot.''. - ''.$foilkey.''."\n"; - $analysis_html.= ''.''. - 'Start Time:'. - '  '.$interval->{'startdateform'}.'
'. - 'End Time  : '. - ' '.$interval->{'enddateform'}.'
'. -# 'Plot Title  :'. -# (" "x3).$interval->{'titleform'}. - ''. - "\n"; - return $analysis_html; + my $correct_plot = &Apache::loncommon::DrawBarGraph('Correct Statements', + 'Statement Number', + 'Percent Correct', + 100, + $plotcolors, + undef, + $plotdata[0]); + for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { + $plotdata[0]->[$j]=0; + } + my $incorrect_plot = + &Apache::loncommon::DrawBarGraph('Incorrect Statements', + 'Statement Number', + 'Incorrect Option Choice', + 100, + $plotcolors, + undef, + @plotdata); + return ($correct_plot,$incorrect_plot); } sub OR_Concept_Time_Analysis { - my ($PerformanceData,$ORdata,$Concepts,$interval) = @_; - my $analysis_html; - ## - ## Determine starttime, endtime, startindex, endindex - my ($begin_index,$end_index) = ($interval->{'begin_index'}, - $interval->{'end_index'}); - my %TimeData; - # - # Compute the number getting the foils correct or incorrects - for (my $j=$begin_index;$j<=$end_index;$j++) { - my $row = $PerformanceData->[$j]; - next if (! defined($row)); - my %Row = &Process_OR_Row($row); - while (my ($foilid,$href) = each(%Row)) { - if (! ref($href)) { - $TimeData{$foilid} += $href; - next; - } - while (my ($option,$value) = each(%$href)) { - $TimeData{$foilid}->{$option}+=$value; - } - } - } + my ($processed_time_data,$correct,$data_count,$student_count, + $ORdata,$Concepts) = @_; + return '' if ($data_count == 0); # # Put the data in plottable form - my @Plotdata; + my @plotdata; foreach my $concept (@$Concepts) { my ($total,$correct); foreach my $foil (@{$concept->{'foils'}}) { - $total += $TimeData{$foil}->{'_total'}; - $correct += $TimeData{$foil}->{'_correct'}; + $total += $processed_time_data->{$foil}->{'_total'}; + $correct += $processed_time_data->{$foil}->{'_correct'}; } if ($total == 0) { - push(@Plotdata,0); + push(@plotdata,0); } else { - push(@Plotdata,100 * $correct / $total); + push(@plotdata,100 * $correct / $total); } } # # Create the plot - my $title = ($end_index - $begin_index).' submissions'; - my $correctplot = &Apache::loncommon::DrawBarGraph($title, - 'Concept Number', - 'Percent Correct', - 100, - $plotcolors, - undef, - \@Plotdata); - $analysis_html.=''. - ''.$correctplot.''. - ''. - 'Start Time:  '.$interval->{'startdateform'}.'
'. - 'End Time  : '. - ' '.$interval->{'enddateform'}.'
'. -# 'Plot Title  :'.(" "x3). -# $interval->{'titleform'}. - ''. - "\n"; - return $analysis_html; + return &Apache::loncommon::DrawBarGraph('Correct Concepts', + 'Concept Number', + 'Percent Correct', + 100, + $plotcolors, + undef, + \@plotdata); +} + +sub OR_time_process_data { + my ($performance_data,$begin_index,$end_index)=@_; + my %processed_time_data; + my %distinct_students; + my ($correct,$data_count); + if (($begin_index == $end_index) && + ($end_index != scalar(@$performance_data)-1)) { + return undef; + } + # Be sure we include the last one if we are asked for it. + # That we have to correct here (and not when $end_index is + # given a value) should probably be considered a bug. + if ($end_index == scalar(@$performance_data)-1) { + $end_index++; + } + my $count; + for (my $i=$begin_index;$i<$end_index;$i++) { + my $attempt = $performance_data->[$i]; + $count++; + next if (! defined($attempt)); + my %attempt = &Process_OR_Row($attempt); + $data_count++; + $correct += $attempt{'_correct'}; + $distinct_students{$attempt->[&Apache::loncoursedata::RD_student_id()]}++; + while (my ($foilid,$href) = each(%attempt)) { + if (! ref($href)) { + $processed_time_data{$foilid} += $href; + next; + } + while (my ($option,$value) = each(%$href)) { + $processed_time_data{$foilid}->{$option}+=$value; + } + } + } + return (\%processed_time_data,$correct,$data_count, + scalar(keys(%distinct_students))); } ######################################################### @@ -992,7 +1264,7 @@ sub OR_Concept_Time_Analysis { ######################################################### ######################################################### sub OR_excel_sheet { - my ($r,$resource,$PerformanceData,$ORdata) = @_; + my ($r,$resource,$performance_data,$ORdata) = @_; my $response = ''; my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); # @@ -1030,7 +1302,7 @@ sub OR_excel_sheet { # Do something useful } $result = &OR_build_response_data_worksheet($response_data_sheet,$format, - $PerformanceData,$Foils, + $performance_data,$Foils, $ORdata); if ($result ne 'okay') { # Do something useful @@ -1118,7 +1390,7 @@ sub OR_build_problem_data_worksheet { } sub OR_build_response_data_worksheet { - my ($worksheet,$format,$PerformanceData,$Foils,$ORdata)=@_; + my ($worksheet,$format,$performance_data,$Foils,$ORdata)=@_; my $rows_output = 3; my $cols_output = 0; $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'}); @@ -1131,18 +1403,18 @@ sub OR_build_response_data_worksheet { } $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); # - foreach my $row (@$PerformanceData) { + foreach my $row (@$performance_data) { next if (! defined($row)); my ($student,$award,$grading,$submission,$time,$tries) = @$row; my @Foilgrades = split('&',$grading); my @Foilsubs = split('&',$submission); - my %ResponseData; + my %response_data; for (my $j=0;$j<=$#Foilgrades;$j++) { my ($foilid,$correct) = split('=',$Foilgrades[$j]); my (undef,$submission) = split('=',$Foilsubs[$j]); $submission = &Apache::lonnet::unescape($submission); - $ResponseData{$foilid.' submission'}=$submission; - $ResponseData{$foilid.' award'}=$correct; + $response_data{$foilid.' submission'}=$submission; + $response_data{$foilid.' award'}=$correct; } $worksheet->write($rows_output,$cols_output++,$student); $worksheet->write($rows_output,$cols_output++, @@ -1151,9 +1423,9 @@ sub OR_build_response_data_worksheet { $worksheet->write($rows_output,$cols_output++,$tries); foreach my $foilid (@$Foils) { $worksheet->write($rows_output,$cols_output++, - $ResponseData{$foilid.' submission'}); + $response_data{$foilid.' submission'}); $worksheet->write($rows_output,$cols_output++, - $ResponseData{$foilid.' award'}); + $response_data{$foilid.' award'}); } $rows_output++; $cols_output = 0; @@ -1238,18 +1510,18 @@ sub build_foil_index { if (@Concepts > 1) { $table .= ''. ''.$conceptindex.''. - ''.&HTML::Entities::encode($concept->{'name'}).''. + ''.&HTML::Entities::encode($concept->{'name'},'<>&"').''. ''.$foilindex++.''. - ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').''. ''.$Foildata{$firstfoil}->{'text'}.''. - ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').''. "\n"; } else { $table .= ''. ''.$foilindex++.''. - ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').''. ''.$Foildata{$firstfoil}->{'text'}.''. - ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).''. + ''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').''. "\n"; } foreach my $foilid (@FoilsInConcept) { @@ -1258,16 +1530,16 @@ sub build_foil_index { ''. ''. ''.$foilindex.''. - ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').''. ''.$Foildata{$foilid}->{'text'}.''. - ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').''. "\n"; } else { $table .= ''. ''.$foilindex.''. - ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').''. ''.$Foildata{$foilid}->{'text'}.''. - ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).''. + ''.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').''. "\n"; } } continue { @@ -1288,11 +1560,12 @@ sub build_option_index { my $optionindex = 0; my @Rows; foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) { + my $color = $plotcolors->[$optionindex++]; push (@Rows, ''. - ''. - (' 'x4).''. - ''.&HTML::Entities::encode($option).''. + ''. + ''.('*'x3).''.''. + ''.&HTML::Entities::encode($option,'<>&"').''. "\n"); } shift(@Rows); # Throw away 'correct option chosen' color @@ -1300,6 +1573,27 @@ sub build_option_index { $table .= "\n"; } +sub build_foil_key { + my ($foils,$extra_data)= @_; + if (! defined($extra_data)) { $extra_data = {}; } + my $table = "\n"; + my $foil_index = 0; + my @rows; + foreach my $foil (&mt('correct foil chosen'),@{$foils}) { + my $color = $plotcolors->[$foil_index++]; + push (@rows, + ''. + ''. + ''. + "\n"); + } + shift(@rows); # Throw away 'correct foil chosen' color + $table .= join('',reverse(@rows)); + $table .= "
'. + ''.('*'x4).''.&HTML::Entities::encode($foil,'<>&"'). + (' 'x2).$extra_data->{$foil}.'
\n"; +} + ######################################################### ######################################################### ## @@ -1311,7 +1605,7 @@ sub CreateInterface { ## ## Environment variable initialization if (! exists$ENV{'form.AnalyzeOver'}) { - $ENV{'form.AnalyzeOver'} = 'Tries'; + $ENV{'form.AnalyzeOver'} = 'tries'; } ## ## Build the menu @@ -1349,60 +1643,55 @@ sub CreateInterface { ## ## $Str .= ''; - { # These braces are here to organize the code, not scope it. - { - $Str .= ''.&mt('Analyze Over '); - $Str .= &Apache::loncommon::help_open_topic - ('Analysis_Analyze_Over'); - $Str .=''; - $Str .= '
'; - } - { - $Str .= ''.&mt('Analyze as '); - $Str .= &Apache::loncommon::help_open_topic - ('Analysis_Analyze_as'); - $Str .='
'; - } - { - $Str .= '
'.&mt('Number of Plots:'); - $Str .= &Apache::loncommon::help_open_topic - ('Analysis_num_plots'); - $Str .= ''; - } - } + ## + my $showprob_checkbox = + '
'; + ## + my $analyze_selector = ''; + $Str .= '
'.$/; + ## + my $numplots_selector = '
'; + $Str .= ''; + ## + $Str .= ''; $Str .= ''; ## ## @@ -1437,8 +1726,9 @@ sub get_tries_from_row { sub hashify_attempt { my ($row) = @_; my %attempt; + $attempt{'student'} = $row->[&Apache::loncoursedata::RD_sname()]; $attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()]; - $attempt{'submission'} = $row->[&Apache::loncoursedata::RD_submission()]; + $attempt{'submission'} = &Apache::lonnet::unescape($row->[&Apache::loncoursedata::RD_submission()]); $attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()]; $attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()]; return %attempt; @@ -1447,14 +1737,14 @@ sub hashify_attempt { sub Process_OR_Row { my ($row) = @_; my %RowData; - my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; +# my $student_id = $row->[&Apache::loncoursedata::RD_student_id()]; my $award = $row->[&Apache::loncoursedata::RD_awarddetail()]; my $grading = $row->[&Apache::loncoursedata::RD_response_eval()]; my $submission = $row->[&Apache::loncoursedata::RD_submission()]; my $time = $row->[&Apache::loncoursedata::RD_timestamp()]; - my $tries = $row->[&Apache::loncoursedata::RD_tries()]; +# my $tries = $row->[&Apache::loncoursedata::RD_tries()]; return undef if ($award eq 'MISSING_ANSWER'); - if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { + if (&submission_is_correct($award)) { $RowData{'_correct'} = 1; } $RowData{'_total'} = 1; @@ -1475,6 +1765,15 @@ sub Process_OR_Row { return %RowData; } +sub submission_is_correct { + my ($award) = @_; + if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { + return 1; + } else { + return 0; + } +} + 1; __END__