--- loncom/interface/statistics/lonproblemanalysis.pm 2004/11/10 21:23:10 1.104 +++ loncom/interface/statistics/lonproblemanalysis.pm 2004/12/23 19:57:35 1.109 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemanalysis.pm,v 1.104 2004/11/10 21:23:10 matthew Exp $ +# $Id: lonproblemanalysis.pm,v 1.109 2004/12/23 19:57:35 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,6 +38,7 @@ use Apache::lonstudentsubmissions(); use HTML::Entities(); use Time::Local(); use Spreadsheet::WriteExcel(); +use capa; my $plotcolors = ['#33ff00', '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', @@ -85,8 +86,8 @@ sub BuildProblemAnalysisPage { # # 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)'; + my $problem_types = '(option|radiobutton|numerical)'; + # my $problem_types = '.';#(option)'; if (exists($ENV{'form.problemchoice'}) && ! exists($ENV{'form.SelectAnother'})) { foreach my $button (@SubmitButtons) { @@ -201,6 +202,13 @@ sub numerical_response_analysis { 'stats_status'); $r->print(&numerical_one_dimensional_plot($r,600,150,$answers)); } + # + if (ref($response_data) ne 'ARRAY') { + $r->print('

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

'); + return; + } my $analysis_html = ''; for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) { my $restriction_function; @@ -253,13 +261,12 @@ sub numerical_response_analysis { $no_data_message = 'No data for [_2] to [_3]'; } # - my ($correct,$intervals,$answers) = - &numerical_response_determine_intervals($r,$resource,$partid, - $respid,$students); + my ($correct,$answers) = + &numerical_determine_answers($r,$resource,$partid, + $respid,$students); if ($c->aborted()) { return; }; # - my $responses = &numerical_classify_responses($response_data, - $correct, + my $responses = &numerical_classify_responses($response_data,$correct, $restriction_function); if ($responses->{'_count'} == 0) { $analysis_html.= @@ -301,15 +308,15 @@ sub numerical_plot_percent { # my $total = $responses->{'_count'}; return '' if ($total == 0); - my $minbin = 0.5; + my $minbin = 5; while (my ($interval,$submissions) = each(%$responses)) { next if ($interval =~ /^_/); my ($ans,$ans_low,$ans_high) = split(" ",$interval); - my $low_percent = abs(($ans-$ans_low)/$ans); - my $high_percent = abs(($ans_high-$ans)/$ans); + my $low_percent = abs(100*($ans-$ans_low)/$ans); + my $high_percent = abs(100*($ans_high-$ans)/$ans); if ($minbin > $high_percent) { $minbin = $high_percent; } if ($minbin > $low_percent) { $minbin = $low_percent; } - } + } # my @bins; if ($minbin < 1) { @@ -428,26 +435,43 @@ sub numerical_plot_differences { } sub numerical_classify_responses { + &Apache::lonnet::logthis('--------------'); my ($full_row_data,$correct,$function) = @_; my %submission_data; my %students; my $max=0; foreach my $row (@$full_row_data) { +# &Apache::lonnet::logthis(' row = '.join(',',@$row)); my %subm = &hashify_attempt($row); if (ref($correct) eq 'HASH') { - $subm{'correct'} = $correct->{$subm{'student'}}; - } else { - $subm{'correct'} = $correct; + $subm{'correct'} = $correct->{$subm{'student'}}->{'answer'}; + $subm{'unit'} = $correct->{$subm{'student'}}->{'unit'}; + } else { # This probably never happens.... + $subm{'correct'} = $correct->{'answer'}; + $subm{'unit'} = $correct->{'unit'}; } $subm{'submission'} =~ s/=\d+\s*$//; if (&$function(\%subm)) { - my $submission = $subm{'submission'}; + my $scaled = '1'; + my ($sname,$sdom) = split(':',$subm{'student'}); + # Note that $subm{'unit'} is modified by the following call + # We do not use it again but you should be aware just in case. + my ($myunit,$mysub) = ($subm{'unit'},$subm{'submission'}); + my $result = + &capa::caparesponse_get_real_response($myunit, + $mysub, + \$scaled); + next if (! defined($scaled)); + next if ($result ne '6'); + my $submission = $scaled; $students{$subm{'student'}}++; if (&numerical_submission_is_correct($subm{'award'})) { + &Apache::lonnet::logthis('correct:'.$submission.':'.$subm{'correct'}); $submission_data{'_correct'}++; $submission_data{'_count'}++; $submission_data{$subm{'correct'}}->{$submission}->[0]++; } elsif (&numerical_submission_is_incorrect($subm{'award'})) { + &Apache::lonnet::logthis('incorrect:'.$submission.':'.$subm{'correct'}); $submission_data{'_count'}++; $submission_data{$subm{'correct'}}->{$submission}->[1]++; } @@ -464,6 +488,7 @@ sub numerical_classify_responses { sub numerical_submission_is_correct { my ($award) = @_; + &Apache::lonnet::logthis('award = "'.$award.'"'); if ($award =~ /^(APPROX_ANS|EXACT_ANS)$/) { return 1; } else { @@ -512,7 +537,7 @@ sub numerical_bin_table { return $table; } -sub numerical_response_determine_intervals { +sub numerical_determine_answers { my ($r,$resource,$partid,$respid,$students)=@_; my $c = $r->connection(); # @@ -522,9 +547,6 @@ sub numerical_response_determine_interva &Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); # my $correct; - # %intervals differs from %answers because it may be possible for two - # students to have the same correct answer but different intervals. - my %intervals; my %answers; foreach my $student (@$students) { last if ($c->aborted()); @@ -537,15 +559,14 @@ sub numerical_response_determine_interva $sdom); # make the key my $key = $partid.'.'.$respid; - my $interval = join(' ',($analysis->{$key.'.answer'}->[0], - $analysis->{$key.'.ans_low'}->[0], - $analysis->{$key.'.ans_high'}->[0])); - $correct->{$sname.':'.$sdom} = $interval; - $intervals{$interval}++; + $correct->{$sname.':'.$sdom}->{'answer'} = + $analysis->{$key.'.answer'}->[0]; + $correct->{$sname.':'.$sdom}->{'unit'} = + $analysis->{$key.'.unit'}->[0]; $answers{$analysis->{$key.'.answer'}->[0]}++; } &Apache::lonstathelpers::write_analysis_cache(); - return ($correct,\%intervals,\%answers); + return ($correct,\%answers); } # @@ -571,7 +592,11 @@ sub numerical_one_dimensional_plot { } } # - my $h_scale = ($width-10)/($max_x-$min_x); + my $min_max_difference = $max_x - $min_x; + if (! defined($min_max_difference) || $min_max_difference == 0) { + $min_max_difference = 1; + } + my $h_scale = ($width-10)/$min_max_difference; # my $ticscale = 5; if ($max_y * $ticscale > $height/2) { @@ -601,7 +626,6 @@ sub numerical_one_dimensional_plot { } $plot .= ''; my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot); - my $result = '
'. '
'. ''.&mt('Distribution of correct answers').''. @@ -652,33 +676,6 @@ sub circle { return &arc($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; -} - ######################################################### ######################################################### ## @@ -700,6 +697,9 @@ sub radio_response_analysis { my $analysis_html; my $foildata = $problem_analysis->{'_Foils'}; my ($table,$foils,$concepts) = &build_foil_index($problem_analysis); + if (! defined($concepts)) { + $concepts = []; + } # my %true_foils; my $num_true = 0; @@ -1171,6 +1171,9 @@ sub OR_tries_analysis { my $mintries = 1; my $maxtries = $ENV{'form.NumPlots'}; my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); + if (! defined($Concepts)) { + $Concepts = []; + } my %response_data = &OR_analyze_by_tries($r,$PerformanceData, $mintries,$maxtries); my $analysis = ''; @@ -1258,7 +1261,7 @@ sub OR_tries_analysis { # $concept_graph = &Apache::loncommon::DrawBarGraph ('Correct Concepts','Concept Number','Percent Correct', - 100,$plotcolors,undef,\@concept_plot_data); + 100,$plotcolors,undef,\@concept_plot_data,{xskip=>1}); } # # Create Foil Plots @@ -1296,7 +1299,7 @@ sub OR_tries_analysis { # my $correct_graph = &Apache::loncommon::DrawBarGraph ('Correct Statements','Statement','% Answered Correct', - 100,$plotcolors,\@Labels,$Datasets[0]); + 100,$plotcolors,\@Labels,$Datasets[0],{xskip=>1}); # # @@ -1308,7 +1311,7 @@ sub OR_tries_analysis { $response_data{'_correct'}->[$try]; my $incorrect_graph = &Apache::loncommon::DrawBarGraph ('Incorrect Statements','Statement','% Chosen Incorrectly', - 100,$plotcolors,\@Labels,@Datasets); + 100,$plotcolors,\@Labels,@Datasets,{xskip=>1}); $analysis_html.= '
'. ''. @@ -1502,7 +1505,8 @@ sub OR_Foil_Time_Analysis { 100, $plotcolors, undef, - $plotdata[0]); + $plotdata[0], + {xskip=>1}); for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) { $plotdata[0]->[$j]=0; } @@ -1513,7 +1517,7 @@ sub OR_Foil_Time_Analysis { 100, $plotcolors, undef, - @plotdata); + @plotdata,{xskip=>1}); return ($correct_plot,$incorrect_plot); } @@ -1544,7 +1548,7 @@ sub OR_Concept_Time_Analysis { 100, $plotcolors, undef, - \@plotdata); + \@plotdata,{xskip=>1}); } sub OR_time_process_data { @@ -1592,6 +1596,33 @@ sub OR_time_process_data { ## ######################################################### ######################################################### +sub build_student_data_worksheet { + my ($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 $worksheet; +} + sub OR_excel_sheet { my ($r,$resource,$performance_data,$ORdata) = @_; my $response = ''; @@ -1742,6 +1773,7 @@ sub OR_build_response_data_worksheet { my ($foilid,$correct) = split('=',$Foilgrades[$j]); my (undef,$submission) = split('=',$Foilsubs[$j]); $submission = &Apache::lonnet::unescape($submission); + $foilid = &Apache::lonnet::unescape($foilid); $response_data{$foilid.' submission'}=$submission; $response_data{$foilid.' award'}=$correct; }