--- loncom/interface/statistics/lonproblemanalysis.pm 2003/09/29 21:13:23 1.24 +++ loncom/interface/statistics/lonproblemanalysis.pm 2004/03/22 17:25:27 1.82 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemanalysis.pm,v 1.24 2003/09/29 21:13:23 matthew Exp $ +# $Id: lonproblemanalysis.pm,v 1.82 2004/03/22 17:25:27 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -24,82 +24,1400 @@ # # http://www.lon-capa.org/ # -# (Navigate problems for statistical reports -# YEAR=2002 -# 5/12,7/26,9/7,11/22 Behrouz Minaei -# -### - package Apache::lonproblemanalysis; use strict; use Apache::lonnet(); +use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lonstatistics; use Apache::lonlocal; +use Apache::lonstathelpers(); +use Apache::lonstudentsubmissions(); +use HTML::Entities(); +use Time::Local(); +use Spreadsheet::WriteExcel(); + +my $plotcolors = ['#33ff00', + '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', + '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', + ]; + +my @SubmitButtons = ({ name => 'PrevProblemAnalysis', + text => 'Previous Problem' }, + { name => 'ProblemAnalysis', + text => 'Analyze Problem Again' }, + { name => 'NextProblemAnalysis', + text => 'Next Problem' }, + { name => 'break'}, + { name => 'ClearCache', + text => 'Clear Caches' }, + { name => 'updatecaches', + text => 'Update Student Data' }, + { name => 'SelectAnother', + text => 'Choose a different Problem' }, + { name => 'ExcelOutput', + text => 'Produce Excel Output' }); + sub BuildProblemAnalysisPage { my ($r,$c)=@_; - $r->print('

'.&mt('Option Response Problem Analysis').'

'); - if (exists($ENV{'form.problemchoice'})) { - # This is me getting around my own cleverness: - &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, - undef); - # - my ($symb,$id) = &get_problem_symb( - &Apache::lonnet::unescape($ENV{'form.problemchoice'}) - ); + # + my %Saveable_Parameters = ('Status' => 'scalar', + 'Section' => 'array', + 'NumPlots' => 'scalar', + 'AnalyzeAs' => 'scalar', + 'AnalyzeOver' => 'scalar', + ); + &Apache::loncommon::store_course_settings('problem_analysis', + \%Saveable_Parameters); + &Apache::loncommon::restore_course_settings('problem_analysis', + \%Saveable_Parameters); + # + &Apache::lonstatistics::PrepareClasslist(); + # + $r->print(&CreateInterface()); + # + my @Students = @Apache::lonstatistics::Students; + # + if (@Students < 1) { + $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(''); + } + $r->rflush(); + # + my $problem_types = '(option|radiobutton|numerical)'; + if (exists($ENV{'form.problemchoice'}) && + ! exists($ENV{'form.SelectAnother'})) { + foreach my $button (@SubmitButtons) { + if ($button->{'name'} eq 'break') { + $r->print("
\n"); + } else { + $r->print(''); + $r->print(' 'x5); + } + } + # $r->print('
'); - my $resource = &get_resource_from_symb($symb); - if (defined($resource)) { - $r->print('
'. - # Oh this is dumb! Need to rewrite relative links - # otherwise images (for example) will not show. - &Apache::lonnet::ssi_body($resource->{'src'}). - '
'); + $r->rflush(); + # + # Determine which problem we are to analyze + my $current_problem = &Apache::lonstathelpers::get_target_from_id + ($ENV{'form.problemchoice'}); + # + my ($prev,$curr,$next) = + &Apache::lonstathelpers::get_prev_curr_next($current_problem, + $problem_types, + 'response', + ); + if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { + $current_problem = $prev; + } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) { + $current_problem = $next; } else { + $current_problem = $curr; + } + # + # Store the current problem choice and send it out in the form + $ENV{'form.problemchoice'} = + &Apache::lonstathelpers::make_target_id($current_problem); + $r->print(''); + # + if (! defined($current_problem->{'resource'})) { $r->print('resource is undefined'); + } else { + my $resource = $current_problem->{'resource'}; + $r->print('

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

'); + $r->print('

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

'); + $r->print(&Apache::lonstathelpers::render_resource($resource)); + $r->rflush(); + my %Data = &Apache::lonstathelpers::get_problem_data + ($resource->{'src'}); + my $ProblemData = $Data{$current_problem->{'part'}. + '.'. + $current_problem->{'respid'}}; + if ($current_problem->{'resptype'} eq 'option') { + &OptionResponseAnalysis($r,$current_problem, + $ProblemData, + \@Students); + } elsif ($current_problem->{'resptype'} eq 'radiobutton') { + &RadioResponseAnalysis($r,$current_problem, + $ProblemData, + \@Students); + } elsif ($current_problem->{'resptype'} eq 'numerical') { + ## + ## 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, + $ProblemData,\@Students); + } + } + } else { + $r->print('

This analysis is not supported

'); + } } - $r->print('
    '); - $r->print("
  1. render problem\n"); - $r->print("
  2. image tag for plot\n"); - $r->print("
  3. plot key\n"); - $r->print('
'); - $r->print("
\nProblem choice = $symb $id\n
\n"); $r->print('
'); + } else { + $r->print(''); + $r->print(' 'x5); + $r->print('

'.&mt('Please select a problem to analyze').'

'); + $r->print(&Apache::lonstathelpers::ProblemSelector + ($problem_types)); } - $r->print(''); - $r->print(&CreateInterface()); - if (! exists($ENV{'form.analysisfirstcall'})) { +} + + +######################################################### +######################################################### +## +## Numerical Response Routines +## +######################################################### +######################################################### +sub NumericalResponseAnalysis { + my ($r,$problem,$ProblemData,$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 + (\@Apache::lonstatistics::SelectedSections, + $Apache::lonstatistics::enrollment_status, + $resource->{'symb'},$respid); + if (! defined($PerformanceData) || + ref($PerformanceData) ne 'ARRAY' ) { + $analysis_html = '

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

'; + $r->print($analysis_html); + return; + } + # + # This next call causes all the waiting around that people complain about + my ($max,$min) = &Apache::lonstathelpers::GetStudentAnswers($r,$problem, + $Students); + return if ($c->aborted()); + # + # Collate the data + my %Data; + foreach my $student (@$Students) { + my $answer = $student->{'answer'}; + $Data{$answer}++; + } + my @Labels = sort {$a <=> $b } keys(%Data); + my @PlotData = @Data{@Labels}; + # + my $width = 500; + my $height = 100; + my $plot = &one_dimensional_plot($r,500,100,scalar(@$Students), + \@Labels,\@PlotData); + $r->print($plot); + return; +} + +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); + } + # + # 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,$filled); +} + +sub build_student_data_worksheet { + my ($workbook,$format) = @_; + my $rows_output = 3; + my $cols_output = 0; + my $worksheet = $workbook->addworksheet('Student Data'); + $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'}); + my @Headers = ('full name','username','domain','section', + "student\nnumber",'identifier'); + $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); + my @Students = @Apache::lonstatistics::Students; + my $studentrows = &Apache::loncoursedata::get_student_data(\@Students); + my %ids; + foreach my $row (@$studentrows) { + my ($mysqlid,$student) = @$row; + $ids{$student}=$mysqlid; + } + foreach my $student (@Students) { + my $name_domain = $student->{'username'}.':'.$student->{'domain'}; + $worksheet->write_row($rows_output++,0, + [$student->{'fullname'}, + $student->{'username'},$student->{'domain'}, + $student->{'section'},$student->{'id'}, + $ids{$name_domain}]); + } + return $worksheet; +} + +######################################################### +######################################################### +## +## Radio Response Routines +## +######################################################### +######################################################### +sub RadioResponseAnalysis { + my ($r,$problem,$ProblemData,$Students) = @_; + my ($resource,$respid) = ($problem->{'resource'}, + $problem->{'respid'}); + my $analysis_html; + 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 = '

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

'; + $r->print($analysis_html); return; } - # Okay, they asked for data, so make sure we get the latest data. - &Apache::lonnet::logthis('got here for some reason'); -# &Apache::lonstatistics::Gather_Full_Student_Data($r); - $r->print(&OptionResponseProblemSelector()); + if (exists($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'). + '

'; + } + $r->print($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); + } else { + push (@PlotData_Correct,0); + push (@PlotData_Incorrect, + int(100*$DataSet{$foilid}/$total)); + } + } + } + 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 $html; +} + + +sub get_Radio_problem_data { + my ($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; + } + } + } + return %Partdata; +} + +######################################################### +######################################################### +## +## Option Response Routines +## +######################################################### +######################################################### +sub OptionResponseAnalysis { + my ($r,$problem,$ProblemData,$Students) = @_; + my ($resource,$respid) = ($problem->{'resource'}, + $problem->{'respid'}); + # Note: part data is not needed. + 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('

'. + &mt('There is no student data for this problem.'). + '

'); + } else { + $r->rflush(); + if (exists($ENV{'form.ExcelOutput'})) { + my $result = &OR_excel_sheet($r,$resource, + $PerformanceData, + $ProblemData); + $r->print($result); + $r->rflush(); + } else { + if ($ENV{'form.AnalyzeOver'} eq 'Tries') { + my $analysis_html = &OR_tries_analysis($r, + $PerformanceData, + $ProblemData); + $r->print($analysis_html); + $r->rflush(); + } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') { + my $analysis_html = &OR_time_analysis($PerformanceData, + $ProblemData); + $r->print($analysis_html); + $r->rflush(); + } else { + $r->print('

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

'); + } + } + } +} + +######################################################### +# +# Option Response: Tries Analysis +# +######################################################### +sub OR_tries_analysis { + my ($r,$PerformanceData,$ORdata) = @_; + my $mintries = 1; + my $maxtries = $ENV{'form.NumPlots'}; + my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); + if (! defined($Concepts) || + ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils'))) { + $table = '

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

'.$table; + $ENV{'form.AnalyzeAs'} = 'Foils'; + } + my %ResponseData = &OR_analyze_by_tries($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) { + foreach my $foilid (@{$concept->{'foils'}}) { + for (my $try=$mintries;$try<=$maxtries;$try++) { + if ($ResponseData{$foilid}->[$try]->{'_total'} == 0) { + push(@{$PlotData[$try]->{'_correct'}},0); + } else { + push(@{$PlotData[$try]->{'_correct'}}, + 100*$ResponseData{$foilid}->[$try]->{'_correct'}/ + $ResponseData{$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]->{$option}},0); + } else { + if ($ResponseData{$foilid}->[$try]->{'_total'} == + $ResponseData{$foilid}->[$try]->{'_correct'}) { + push(@{$PlotData[$try]->{$option}},0); + } else { + push (@{$PlotData[$try]->{$option}}, + 100 * + $ResponseData{$foilid}->[$try]->{$option} / + ($ResponseData{$foilid}->[$try]->{'_total'} + - + $ResponseData{$foilid}->[$try]->{'_correct'} + )); + } + } + } # End of foreach my $option + } + } # End of foreach my $foilid + } # End of foreach my $concept + # + # Build a table for the plots + my $analysis_html = "\n"; + my $optionkey = &build_option_index($ORdata); + for (my $try=$mintries;$try<=$maxtries;$try++) { + my $count = $ResponseData{'_total'}->[$try]; + my $title = 'Submission '.$try.' (N='.$count.')'; + my @Datasets; + foreach my $option ('_correct',@{$ORdata->{'_Options'}}) { + next if (! exists($PlotData[$try]->{$option})); + push(@Datasets,$PlotData[$try]->{$option}); + } + # + # Put a blank in the data set between concepts + for (my $set =0;$set<=$#Datasets;$set++) { + my @Data = @{$Datasets[$set]}; + my $idx = 0; + foreach my $concept (@{$Concepts}) { + foreach my $foilid (@{$concept->{'foils'}}) { + $Datasets[$set]->[$idx++]=shift(@Data); + } + if ($concept->{'name'} ne $Concepts->[-1]->{'name'}) { + $Datasets[$set]->[$idx++] = 0; + } + } + } + # + # Set up the labels needed for the bar graph + my @Labels; + my $idx = 1; + foreach my $concept (@{$Concepts}) { + foreach my $foilid (@{$concept->{'foils'}}) { + push(@Labels,$idx++); + } + push(@Labels,''); + } + # + my $correctgraph = &Apache::loncommon::DrawBarGraph + ($title,'Foil Number','Percent Correct', + 100,$plotcolors,\@Labels,$Datasets[0]); + $analysis_html.= ''; + + # + # + next if (! defined($Datasets[0])); + 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', + 100,$plotcolors,\@Labels,@Datasets); + $analysis_html.= ''; + $analysis_html.= '\n"; + } + $analysis_html .= "
'.$correctgraph.''.$incorrectgraph.''.$optionkey."
\n"; + return $analysis_html; } -sub get_problem_symb { - my $problemstring = shift(); - my ($symb,$id) = ($problemstring=~ /^(.*):([^:]*)$/); - return ($symb,$id); +sub OR_Tries_Concept_Analysis { + my ($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 $analysis_html; +} + +sub OR_analyze_by_tries { + my ($r,$PerformanceData,$mintries,$maxtries) = @_; + my %Trydata; + $mintries = 1 if (! defined($mintries) || $mintries < 1); + $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); + foreach my $row (@$PerformanceData) { + next if (! defined($row)); + my $tries = &get_tries_from_row($row); + my %Row = &Process_OR_Row($row); + next if (! %Row); + while (my ($foilid,$href) = each(%Row)) { + if (! ref($href)) { + $Trydata{$foilid}->[$tries] += $href; + next; + } + while (my ($option,$value) = each(%$href)) { + $Trydata{$foilid}->[$tries]->{$option}+=$value; + } + } + } + return %Trydata; +} + +######################################################### +# +# Option Response: Time Analysis +# +######################################################### +sub OR_time_analysis { + my ($PerformanceData,$ORdata) = @_; + my ($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 $num_plots = $ENV{'form.NumPlots'}; + my $num_data = scalar(@$PerformanceData)-1; + my $percent = sprintf('%2f',100/$num_plots); + # + $table .= "\n"; + for (my $i=0;$i<$num_plots;$i++) { + ## + my $starttime = &Apache::lonhtmlcommon::get_date_from_form + ('startdate_'.$i); + my $endtime = &Apache::lonhtmlcommon::get_date_from_form + ('enddate_'.$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); + $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); + $endtime = $starttime + $sec_in_day; + if ($i == ($num_plots -1 )) { + $starttime = &get_time_from_row($PerformanceData->[0]); + } + } + my $startdateform = &Apache::lonhtmlcommon::date_setter + ('Statistics','startdate_'.$i,$starttime); + my $enddateform = &Apache::lonhtmlcommon::date_setter + ('Statistics','enddate_'.$i,$endtime); + # + my $begin_index; + my $end_index; + my $j; + while (++$j < scalar(@$PerformanceData)) { + last if (&get_time_from_row($PerformanceData->[$j]) + > $starttime); + } + $begin_index = $j; + while (++$j < scalar(@$PerformanceData)) { + last if (&get_time_from_row($PerformanceData->[$j]) > $endtime); + } + $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); + } + } + # + return $table; +} + +sub OR_Foil_Time_Analysis { + my ($PerformanceData,$ORdata,$Foils,$interval) = @_; + 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} += $href; + next; + } + while (my ($option,$value) = each(%$href)) { + $TimeData{$foilid}->{$option}+=$value; + } + } + } + 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++; + } + } + # + # 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.=''. + ''. + ''. + ''."\n"; + $analysis_html.= ''.''. + "\n"; + return $analysis_html; +} + +sub OR_Concept_Time_Analysis { + my ($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; + } + } + } + # + # Put the data in plottable form + my @Plotdata; + foreach my $concept (@$Concepts) { + my ($total,$correct); + foreach my $foil (@{$concept->{'foils'}}) { + $total += $TimeData{$foil}->{'_total'}; + $correct += $TimeData{$foil}->{'_correct'}; + } + if ($total == 0) { + push(@Plotdata,0); + } else { + 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.=''. + ''. + ''. + "\n"; + return $analysis_html; +} + +######################################################### +######################################################### +## +## Excel output +## +######################################################### +######################################################### +sub OR_excel_sheet { + my ($r,$resource,$PerformanceData,$ORdata) = @_; + my $response = ''; + my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); + # + # Create excel worksheet + my $filename = '/prtspool/'. + $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.xls'; + my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); + if (! defined($workbook)) { + $r->log_error("Error creating excel spreadsheet $filename: $!"); + $r->print('

'.&mt("Unable to create new Excel file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator"). + '

'); + return undef; + } + # + $workbook->set_tempdir('/home/httpd/perl/tmp'); + my $format = &Apache::loncommon::define_excel_formats($workbook); + # + # Create and populate main worksheets + my $problem_data_sheet = $workbook->addworksheet('Problem Data'); + my $student_data_sheet = &build_student_data_worksheet($workbook,$format); + my $response_data_sheet = $workbook->addworksheet('Response Data'); + foreach my $sheet ($problem_data_sheet,$student_data_sheet, + $response_data_sheet) { + $sheet->write(0,0,$resource->{'title'},$format->{'h2'}); + $sheet->write(1,0,$resource->{'src'},$format->{'h3'}); + } + # + my $result; + $result = &OR_build_problem_data_worksheet($problem_data_sheet,$format, + $Concepts,$ORdata); + if ($result ne 'okay') { + # Do something useful + } + $result = &OR_build_response_data_worksheet($response_data_sheet,$format, + $PerformanceData,$Foils, + $ORdata); + if ($result ne 'okay') { + # Do something useful + } + $response_data_sheet->activate(); + # + # Close the excel file + $workbook->close(); + # + # Write a link to allow them to download it + $result .= '

'.&mt('Excel Raw Data Output').'

'. + '

'. + &mt('Your Excel spreadsheet.'). + '

'."\n"; + return $result; +} + +sub OR_build_problem_data_worksheet { + my ($worksheet,$format,$Concepts,$ORdata) = @_; + my $rows_output = 3; + my $cols_output = 0; + $worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'}); + ## + ## + my @Headers; + if (@$Concepts > 1) { + @Headers = ("Concept\nNumber",'Concept',"Foil\nNumber", + 'Foil Name','Foil Text','Correct value'); + } else { + @Headers = ('Foil Number','FoilName','Foil Text','Correct value'); + } + $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); + my %Foildata = %{$ORdata->{'_Foils'}}; + my $conceptindex = 1; + my $foilindex = 1; + foreach my $concept (@$Concepts) { + my @FoilsInConcept = @{$concept->{'foils'}}; + my $firstfoil = shift(@FoilsInConcept); + if (@$Concepts > 1) { + $worksheet->write_row($rows_output++,0, + [$conceptindex, + $concept->{'name'}, + $foilindex++, + $Foildata{$firstfoil}->{'name'}, + $Foildata{$firstfoil}->{'text'}, + $Foildata{$firstfoil}->{'value'},]); + } else { + $worksheet->write_row($rows_output++,0, + [ $foilindex++, + $Foildata{$firstfoil}->{'name'}, + $Foildata{$firstfoil}->{'text'}, + $Foildata{$firstfoil}->{'value'},]); + } + foreach my $foilid (@FoilsInConcept) { + if (@$Concepts > 1) { + $worksheet->write_row($rows_output++,0, + ['', + '', + $foilindex, + $Foildata{$foilid}->{'name'}, + $Foildata{$foilid}->{'text'}, + $Foildata{$foilid}->{'value'},]); + } else { + $worksheet->write_row($rows_output++,0, + [$foilindex, + $Foildata{$foilid}->{'name'}, + $Foildata{$foilid}->{'text'}, + $Foildata{$foilid}->{'value'},]); + } + } continue { + $foilindex++; + } + } continue { + $conceptindex++; + } + $rows_output++; + $rows_output++; + ## + ## Option data output + $worksheet->write($rows_output++,0,'Options',$format->{'header'}); + foreach my $string (@{$ORdata->{'_Options'}}) { + $worksheet->write($rows_output++,0,$string); + } + return 'okay'; +} + +sub OR_build_response_data_worksheet { + my ($worksheet,$format,$PerformanceData,$Foils,$ORdata)=@_; + my $rows_output = 3; + my $cols_output = 0; + $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'}); + $worksheet->set_column(1,1,20); + $worksheet->set_column(2,2,13); + my @Headers = ('identifier','time','award detail','attempt'); + foreach my $foil (@$Foils) { + push (@Headers,$foil.' submission'); + push (@Headers,$foil.' grading'); + } + $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'}); + # + foreach my $row (@$PerformanceData) { + next if (! defined($row)); + my ($student,$award,$grading,$submission,$time,$tries) = @$row; + my @Foilgrades = split('&',$grading); + my @Foilsubs = split('&',$submission); + my %ResponseData; + 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; + } + $worksheet->write($rows_output,$cols_output++,$student); + $worksheet->write($rows_output,$cols_output++, + &Apache::lonstathelpers::calc_serial($time),$format->{'date'}); + $worksheet->write($rows_output,$cols_output++,$award); + $worksheet->write($rows_output,$cols_output++,$tries); + foreach my $foilid (@$Foils) { + $worksheet->write($rows_output,$cols_output++, + $ResponseData{$foilid.' submission'}); + $worksheet->write($rows_output,$cols_output++, + $ResponseData{$foilid.' award'}); + } + $rows_output++; + $cols_output = 0; + } + return; +} + +sub build_foil_index { + my ($ORdata) = @_; + return if (! exists($ORdata->{'_Foils'})); + my %Foildata = %{$ORdata->{'_Foils'}}; + my @Foils = sort(keys(%Foildata)); + my %Concepts; + foreach my $foilid (@Foils) { + push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}}, + $foilid); + } + undef(@Foils); + # Having gathered the concept information in a hash, we now translate it + # into an array because we need to be consistent about order. + # Also put the foils in order, too. + my $sortfunction = sub { + my %Numbers = (one => 1, + two => 2, + three => 3, + four => 4, + five => 5, + six => 6, + seven => 7, + eight => 8, + nine => 9, + ten => 10,); + my $a1 = lc($a); + my $b1 = lc($b); + if (exists($Numbers{$a1})) { + $a1 = $Numbers{$a1}; + } + if (exists($Numbers{$b1})) { + $b1 = $Numbers{$b1}; + } + if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) { + return $a1 <=> $b1; + } else { + return $a1 cmp $b1; + } + }; + my @Concepts; + foreach my $concept (sort $sortfunction (keys(%Concepts))) { + if (! defined($Concepts{$concept})) { + $Concepts{$concept}=[]; +# next; + } + push(@Concepts,{ name => $concept, + foils => [@{$Concepts{$concept}}]}); + push(@Foils,(@{$Concepts{$concept}})); + } + # + # Build up the table of row labels. + my $table = '
'.$correctplot.''.$incorrectplot.''.$foilkey.'
'. + 'Start Time:'. + '  '.$interval->{'startdateform'}.'
'. + 'End Time  : '. + ' '.$interval->{'enddateform'}.'
'. +# 'Plot Title  :'. +# (" "x3).$interval->{'titleform'}. + '
'.$correctplot.''. + 'Start Time:  '.$interval->{'startdateform'}.'
'. + 'End Time  : '. + ' '.$interval->{'enddateform'}.'
'. +# 'Plot Title  :'.(" "x3). +# $interval->{'titleform'}. + '
'."\n"; + if (@Concepts > 1) { + $table .= ''. + ''. + ''. + ''. + ''. + ''. + ''. + "\n"; + } else { + $table .= ''. + ''. + ''. + ''. + ''. + "\n"; + } + my $conceptindex = 1; + my $foilindex = 1; + foreach my $concept (@Concepts) { + my @FoilsInConcept = @{$concept->{'foils'}}; + my $firstfoil = shift(@FoilsInConcept); + if (@Concepts > 1) { + $table .= ''. + ''. + ''. + ''. + ''. + ''. + ''. + "\n"; + } else { + $table .= ''. + ''. + ''. + ''. + ''. + "\n"; + } + foreach my $foilid (@FoilsInConcept) { + if (@Concepts > 1) { + $table .= ''. + ''. + ''. + ''. + ''. + ''. + ''. + "\n"; + } else { + $table .= ''. + ''. + ''. + ''. + ''. + "\n"; + } + } continue { + $foilindex++; + } + } continue { + $conceptindex++; + } + $table .= "
'.&mt('Concept Number').''.&mt('Concept').''.&mt('Foil Number').''.&mt('Foil Name').''.&mt('Foil Text').''.&mt('Correct Value').'
'.&mt('Foil Number').''.&mt('Foil Name').''.&mt('Foil Text').''.&mt('Correct Value').'
'.$conceptindex.''.&HTML::Entities::encode($concept->{'name'}).''.$foilindex++.''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''.$Foildata{$firstfoil}->{'text'}.''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).'
'.$foilindex++.''.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'}).''.$Foildata{$firstfoil}->{'text'}.''.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'}).'
'.$foilindex.''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''.$Foildata{$foilid}->{'text'}.''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).'
'.$foilindex.''.&HTML::Entities::encode($Foildata{$foilid}->{'name'}).''.$Foildata{$foilid}->{'text'}.''.&HTML::Entities::encode($Foildata{$foilid}->{'value'}).'
\n"; + # + # Build option index with color stuff + return ($table,\@Foils,\@Concepts); } +sub build_option_index { + my ($ORdata)= @_; + my $table = "\n"; + my $optionindex = 0; + my @Rows; + foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) { + push (@Rows, + ''. + ''. + ''. + "\n"); + } + shift(@Rows); # Throw away 'correct option chosen' color + $table .= join('',reverse(@Rows)); + $table .= "
'. + (' 'x4).''.&HTML::Entities::encode($option).'
\n"; +} + +######################################################### +######################################################### +## +## Generic Interface Routines +## +######################################################### +######################################################### sub CreateInterface { + ## + ## Environment variable initialization + if (! exists$ENV{'form.AnalyzeOver'}) { + $ENV{'form.AnalyzeOver'} = 'Tries'; + } + ## + ## Build the menu my $Str = ''; + $Str .= &Apache::lonhtmlcommon::breadcrumbs + (undef,'Detailed Problem Analysis'); $Str .= ''."\n"; $Str .= ''; $Str .= ''; $Str .= ''; - $Str .= ''; +# $Str .= ''; + $Str .= ''; $Str .= ''."\n"; - # + ## + ## $Str .= ''; + # + $Str .= ''; + # +# $Str .= ''."\n"; - $Str .= '
'.&mt('Sections').''.&mt('Enrollment Status').''.&mt('Sequences and Folders').''.&mt('Sequences and Folders').' 
'."\n"; $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); - $Str .= ''; + $Str .= ''; $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); - $Str .= ''; + $Str .= ''; my $only_seq_with_assessments = sub { my $s=shift; if ($s->{'num_assess'} < 1) { @@ -108,119 +1426,137 @@ sub CreateInterface { return 1; } }; - $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, + &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, $only_seq_with_assessments); - $Str .= '
'."\n"; - $Str .= ''; - $Str .= ' 'x5; - $Str .= ''; - $Str .= ' 'x5; - return ($Str); -} - -sub OptionResponseProblemSelector { - my $Str; - $Str = "\n\n"; - foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { - next if ($seq->{'num_assess'}<1); - my $seq_str = ''; - foreach my $res (@{$seq->{'contents'}}) { -# &Apache::lonnet::logthis('checking '.$res->{'title'}); -# next if ($res->{'type'} ne 'assessment'); - foreach my $part (@{$res->{'parts'}}) { - my $partdata = $res->{'partdata'}->{$part}; - if (! exists($partdata->{'option'}) || - $partdata->{'option'} == 0) { - next; - } - for (my $i=0;$i{'ResponseTypes'}});$i++){ - my $respid = $partdata->{'ResponseIds'}->[$i]; - my $resptype = $partdata->{'ResponseTypes'}->[$i]; - if ($resptype eq 'option') { - my $value = &Apache::lonnet::escape($res->{'symb'}.':'.$respid); - my $checked = ''; - if ($ENV{'form.problemchoice'} eq $value) { - $checked = 'checked '; - } - $seq_str .= '\n"; - } - } + ## + ## + $Str .= ''. - "\n".$seq_str; + { + $Str .= '
'.&mt('Number of Plots:'); + $Str .= &Apache::loncommon::help_open_topic + ('Analysis_num_plots'); + $Str .= ''; } } - $Str .= "
'. - ''. - ''. - ''.$res->{'title'}.' '; - if ($partdata->{'option'} > 1) { - $seq_str .= &mt('response').' '.$respid; - } - $seq_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'); + $Str .='
'; } - if ($seq_str ne '') { - $Str .= '
 '.$seq->{'title'}.'
\n"; + $Str .= ''; + ## + ## + $Str .= ''."\n"; + $Str .= ''."\n"; return $Str; } -sub get_resource_from_symb { - my ($symb) = @_; - &Apache::lonnet::logthis('target symb = :'.$symb.':'); - foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { - foreach my $res (@{$seq->{'contents'}}) { - &Apache::lonnet::logthis('symb = :'.$res->{'symb'}.':'); - if ($res->{'symb'} eq $symb) { - return $res; - } - } - } +######################################################### +######################################################### +## +## Misc Option Response functions +## +######################################################### +######################################################### +sub get_time_from_row { + my ($row) = @_; + if (ref($row)) { + return $row->[&Apache::loncoursedata::RD_timestamp()]; + } return undef; } -=pod - -sub InitAnalysis { - my ($resource,$sname,$sdom)=@_; - my $symb = $resource-> - my $URI = $hash{'src_'.$rid}; - - my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze', - 'grade_username' => $sname, - 'grade_domain' => $sdom, - 'grade_courseid' => $cid, - 'grade_symb' => $symb)); -# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze')); +sub get_tries_from_row { + my ($row) = @_; + if (ref($row)) { + return $row->[&Apache::loncoursedata::RD_tries()]; + } + return undef; +} - (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); - %Answer=(); - %Answer=&Apache::lonnet::str2hash($Answ); +sub hashify_attempt { + my ($row) = @_; + my %attempt; + $attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()]; + $attempt{'submission'} = $row->[&Apache::loncoursedata::RD_submission()]; + $attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()]; + $attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()]; + return %attempt; +} - my $parts=''; - foreach my $elm (@{$Answer{"parts"}}) { - $parts.="$elm,"; +sub Process_OR_Row { + my ($row) = @_; + my %RowData; + 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 = $row->[&Apache::loncoursedata::RD_tries()]; + return undef if ($award eq 'MISSING_ANSWER'); + if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { + $RowData{'_correct'} = 1; } - chop($parts); - my $conc=''; - foreach my $elm (@{$Answer{"$parts.concepts"}}) { - $conc.="$elm@"; - } - chop($conc); - - @Concepts=split(/\@/,$conc); - foreach my $concept (@{$Answer{"$parts.concepts"}}) { - foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) { - $foil_to_concept{$foil} = $concept; - #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; + $RowData{'_total'} = 1; + my @Foilgrades = split('&',$grading); + my @Foilsubs = split('&',$submission); + for (my $j=0;$j<=$#Foilgrades;$j++) { + my ($foilid,$correct) = split('=',$Foilgrades[$j]); + $foilid = &Apache::lonnet::unescape($foilid); + my (undef,$submission) = split('=',$Foilsubs[$j]); + if ($correct) { + $RowData{$foilid}->{'_correct'}++; + } else { + $submission = &Apache::lonnet::unescape($submission); + $RowData{$foilid}->{$submission}++; } + $RowData{$foilid}->{'_total'}++; } - return $symb; + return %RowData; } -=cut - 1; __END__