--- loncom/interface/statistics/lonproblemanalysis.pm 2002/08/05 20:53:38 1.4
+++ loncom/interface/statistics/lonproblemanalysis.pm 2004/03/11 19:34:10 1.75
@@ -1,7 +1,6 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonproblemanalysis.pm,v 1.4 2002/08/05 20:53:38 stredwic Exp $
+# $Id: lonproblemanalysis.pm,v 1.75 2004/03/11 19:34:10 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,501 +24,1443 @@
#
# http://www.lon-capa.org/
#
-# (Navigate problems for statistical reports
-# YEAR=2001
-# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
-# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
-# YEAR=2002
-# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
-# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei
-#
-###
-
-package Apache::lonproblemanalysis;
+package Apache::lonproblemanalysis;
use strict;
use Apache::lonnet();
-use GDBM_File;
+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' });
-#my $jr;
sub BuildProblemAnalysisPage {
- my ($cacheDB, $r)=@_;
-
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $r->print('
Unable to tie database.');
- return;
+ my ($r,$c)=@_;
+ #
+ 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('');
}
-
- $r->print(&IntervalOptions($cache{'Interval'}));
$r->rflush();
- $r->print(&OptionResponseTable($cache{'OptionResponses'}, \%cache));
-
- untie(%cache);
-
- return;
-}
-
-sub BuildAnalyzePage {
- my ($cacheDB, $students, $courseID,$r)=@_;
-
-# $jr = $r;
- my $c = $r->connection;
-
- my $Str = '';
- my %cache;
- &Create_PrgWin($r);
- my $count=0;
- foreach (@$students) {
- &Update_PrgWin(scalar(@$students),$count,$_,$r);
- if($c->aborted) {
- return $Str;
- }
- my $downloadTime='';
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $downloadTime = $cache{$_.':lastDownloadTime'};
- untie(%cache);
- }
- if($downloadTime eq 'Not downloaded') {
- my $courseData =
- &Apache::loncoursedata::DownloadCourseInformation($_,
- $courseID);
- if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) {
- &Apache::loncoursedata::ProcessStudentData(\%cache,
- $courseData, $_);
- untie(%cache);
+ #
+ my $problem_types = '(option|radiobutton)';
+ if (exists($ENV{'form.problemchoice'}) &&
+ ! exists($ENV{'form.SelectAnother'})) {
+ foreach my $button (@SubmitButtons) {
+ if ($button->{'name'} eq 'break') {
+ $r->print("
\n");
} else {
- next;
+ $r->print('{'text'}).'" />');
+ $r->print(' 'x5);
+ }
+ }
+ #
+ $r->print('
');
+ $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') {
+# if (exists($ENV{'form.ExcelOutput'})) {
+ &Apache::lonstudentsubmissions::prepare_excel_output
+ ($r,$current_problem,$ProblemData,\@Students);
+# } else {
+# &NumericalResponseAnalysis($r,$current_problem,
+# $ProblemData,\@Students);
+# }
+ } else {
+ $r->print('This analysis is not supported
');
}
}
- $count++;
+ $r->print('
');
+ } else {
+ $r->print('');
+ $r->print(' 'x5);
+ $r->print(''.&mt('Please select a problem to analyze').'
');
+ $r->print(&Apache::lonstathelpers::ProblemSelector
+ ($problem_types));
}
- &Close_PrgWin($r);
+}
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $Str .= 'Unable to tie database.';
- return $Str;
- }
- my ($problemId, $part, $responseId)=split(':',$cache{'AnalyzeInfo'});
- my $uri = $cache{$problemId.':source'};
- my $problem = $cache{$problemId.':problem'};
- my $title = $cache{$problemId.':title'};
- my $interval = $cache{'Interval'};
+#########################################################
+#########################################################
+##
+## Numerical Response Routines
+##
+#########################################################
+#########################################################
+sub NumericalResponseAnalysis {
+ my ($r,$problem,$ProblemData,$Students) = @_;
+ $r->print('This analysis is not yet supported
');
+ my ($resource,$respid) = ($problem->{'resource'},
+ $problem->{'respid'});
+ my $analysis_html;
+ my $PerformanceData =
+ &Apache::loncoursedata::get_response_data
+ ($Students,$resource->{'symb'},$respid);
+ if (! defined($PerformanceData) ||
+ ref($PerformanceData) ne 'ARRAY' ) {
+ $analysis_html = ''.
+ &mt('There is no submission data for this resource').
+ '
';
+ $r->print($analysis_html);
+ return;
+ }
+ my ($max,$min) = &GetStudentAnswers($r,$problem,$Students);
+ $r->print('Maximum = '.$max.' Minimum = '.$min);
+ my $max_students = 0;
+ 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);
+ return;
+}
- my %ConceptData;
- $ConceptData{"Interval"} = $interval;
+sub GetStudentAnswers {
+ my ($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;
+ }
+ $r->print("
\n");
+ $r->rflush();
+ # close progress window
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ return;
+}
- #Initialize the option response true answers
- my ($analyzeData) = &InitAnalysis($uri, $part, $responseId, $problem,
- $students->[0], $courseID);
- if(defined($analyzeData->{'error'})) {
- $Str .= 'Incorrect part requested.
';
- return $Str;
+sub build_student_data_worksheet {
+ my ($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 $worksheet;
+}
- if($c->aborted()) { untie(%cache); return $Str; }
+#########################################################
+#########################################################
+##
+## Radio Response Routines
+##
+#########################################################
+#########################################################
+sub RadioResponseAnalysis {
+ my ($r,$problem,$ProblemData,$Students) = @_;
+ my ($resource,$respid) = ($problem->{'resource'},
+ $problem->{'respid'});
+ my $analysis_html;
+ my $PerformanceData =
+ &Apache::loncoursedata::get_response_data
+ ($Students,$resource->{'symb'},$respid);
+ if (! defined($PerformanceData) ||
+ ref($PerformanceData) ne 'ARRAY' ) {
+ $analysis_html = ''.
+ &mt('There is no submission data for this resource').
+ '
';
+ $r->print($analysis_html);
+ return;
+ }
+ 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);
+}
- #compute the intervals
- &Interval($part, $problem, $interval, $analyzeData->{'concepts'},
- \%ConceptData);
+sub RR_Excel_output {
+ my ($r,$PerformanceData,$ProblemData) = @_;
+ return 'No!
';
+}
- $title =~ s/\ /"_"/eg;
- $Str .= '
'.$uri.'';
+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 $analysis_html;
+}
- if($c->aborted()) { untie(%cache); return $Str; }
-
- #Java script Progress window
-# &Create_PrgWin();
-# &Update_PrgWin("Starting-to-analyze-problem");
- for(my $index=0; $index<(scalar @$students); $index++) {
- if($c->aborted()) { untie(%cache); return $Str; }
-# &Update_PrgWin($index);
-# &OpStatus($problem, $students->[$index], $courseID, \%ConceptData,
-# $analyzeData->{'foil_to_concept'}, $analyzeData, \%cache);
- &OpStatus($problem, $students->[$index], \%ConceptData,
- $analyzeData->{'foil_to_concept'}, $analyzeData, \%cache);
+sub RR_tries_data_analysis {
+ my ($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}++;
}
-# &Close_PrgWin();
+ return @TryData;
+}
- $Str .= '
';
- for (my $k=0; $k<$interval; $k++ ) {
- if($c->aborted()) { untie(%cache); return $Str; }
- $Str .= &DrawGraph($k, $title, $analyzeData->{'concepts'},
- \%ConceptData);
- }
- for (my $k=0; $k<$interval; $k++ ) {
- if($c->aborted()) { untie(%cache); return $Str; }
- $Str .= &DrawTable($k, $analyzeData->{'concepts'}, \%ConceptData);
+sub RR_Time_Analysis {
+ my ($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);
}
- my $Answ=&Apache::lonnet::ssi($uri);
- $Str .= '
Here you can see the Problem:
'.$Answ;
+ return $html;
+}
- untie(%cache);
+sub RR_Tries_Concept_Analysis {
+ my ($min,$max,$Concepts,$ResponseData,$ProblemData) = @_;
+ my $html;
+ return $html;
+}
- return $Str.'