--- loncom/interface/statistics/lonproblemanalysis.pm 2002/08/14 16:18:55 1.7
+++ loncom/interface/statistics/lonproblemanalysis.pm 2003/10/16 15:24:49 1.41
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonproblemanalysis.pm,v 1.7 2002/08/14 16:18:55 stredwic Exp $
+
+# $Id: lonproblemanalysis.pm,v 1.41 2003/10/16 15:24:49 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,504 +25,773 @@
#
# 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 Apache::loncommon();
use Apache::lonhtmlcommon();
-use GDBM_File;
-
-my $jr;
+use Apache::loncoursedata();
+use Apache::lonstatistics;
+use Apache::lonlocal;
+use HTML::Entities();
+
+my $plotcolors = ['#33ff00',
+ '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
+ '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
+ ];
sub BuildProblemAnalysisPage {
- my ($cacheDB, $r)=@_;
-
- my %cache;
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $r->print('Unable to tie database.');
- return;
- }
-
- my $Ptr = '';
- $Ptr .= '
';
- $Ptr .= 'Select Sections ';
- $Ptr .= ' '."\n";
- $Ptr .= ''."\n";
- my @sectionsSelected = split(':',$cache{'sectionsSelected'});
- my @sections = split(':',$cache{'sectionList'});
- $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
- \@sectionsSelected,
- 'Statistics');
- $Ptr .= ' '."\n";
- $Ptr .= 'Intervals '."\n";
- $Ptr .= '';
- $Ptr .= &IntervalOptions($cache{'Interval'});
- $Ptr .= '
';
- $r->print($Ptr);
+ my ($r,$c)=@_;
+ $r->print(''.&mt('Option Response Problem Analysis').' ');
+ $r->print(&CreateInterface());
+ #
+ my @Students = @Apache::lonstatistics::Students;
+ #
+ if (exists($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();
- $r->print(&OptionResponseTable($cache{'OptionResponses'}, \%cache));
-
- untie(%cache);
-
- return;
+ if (exists($ENV{'form.problemchoice'}) &&
+ ! exists($ENV{'form.SelectAnother'})) {
+ $r->print(' ');
+ $r->print(' 'x5);
+ $r->print(' ');
+ $r->print(' 'x5);
+ $r->print(' ');
+ $r->print(' 'x5);
+ $r->print(' ');
+ $r->print(' ');
+ $r->print(' 'x5);
+ #
+ $r->print(' ');
+ #
+ my ($symb,$part,$resid) = &get_problem_symb(
+ &Apache::lonnet::unescape($ENV{'form.problemchoice'})
+ );
+ #
+ my $resource = &get_resource_from_symb($symb);
+ if (defined($resource)) {
+ $r->print(''.$resource->{'src'}.' ');
+ my %Data = &get_problem_data($resource->{'src'});
+ my $ORdata = $Data{$part.'.'.$resid};
+ ##
+ ## Render the problem
+ my $base;
+ ($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|);
+ $base = "http://".$ENV{'SERVER_NAME'}.$base;
+ my $rendered_problem =
+ &Apache::lonnet::ssi_body($resource->{'src'});
+ $rendered_problem =~ s/<\s*form\s*/)|<\/nop>|g;
+ $r->print(''.
+ ' '.
+ $rendered_problem.
+ '
');
+ ##
+ ## Analyze the problem
+ my $PerformanceData =
+ &Apache::loncoursedata::get_optionresponse_data
+ (\@Students,$symb,$resid);
+ if (defined($PerformanceData) &&
+ ref($PerformanceData) eq 'ARRAY') {
+ if ($ENV{'form.AnalyzeOver'} eq 'Tries') {
+ my $analysis_html = &tries_analysis($PerformanceData,
+ $ORdata);
+ $r->print($analysis_html);
+ } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
+ my $analysis_html = &time_analysis($PerformanceData,
+ $ORdata);
+ $r->print($analysis_html);
+ } else {
+ $r->print(''.
+ &mt('The analysis you have selected is '.
+ 'not supported at this time').
+ ' ');
+ }
+ } else {
+ $r->print(''.
+ &mt('There is no student data for this problem.').
+ ' ');
+ }
+ } else {
+ $r->print('resource is undefined');
+ }
+ $r->print(' ');
+ } else {
+ $r->print(' ');
+ $r->print(' 'x5);
+ $r->print(''.&mt('Please select a problem to analyze').' ');
+ $r->print(&OptionResponseProblemSelector());
+ }
}
-sub BuildAnalyzePage {
- my ($cacheDB, $students, $courseID,$r)=@_;
- $jr = $r;
- my $c = $r->connection;
-
- my $Str = '';
- my %cache;
+#########################################################
+#########################################################
+##
+## Misc interface routines use by analysis code
+##
+#########################################################
+#########################################################
+sub build_foil_index {
+ my ($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 = $a;
+ my $b1 = $b;
+ if (exists($Numbers{lc($a)})) {
+ $a1 = $Numbers{lc($a)};
+ }
+ if (exists($Numbers{lc($b)})) {
+ $b1 = $Numbers{lc($b)};
+ }
+ $a1 cmp $b1;
+ };
+ my @Concepts;
+ foreach my $concept (sort $sortfunction (keys(%Concepts))) {
+ push(@Concepts,{ name => $concept,
+ foils => [@{$Concepts{$concept}}]});
+ push(@Foils,(@{$Concepts{$concept}}));
+ }
+ #
+ # Build up the table of row labels.
+ my $table = ''."\n";
+ if (@Concepts > 1) {
+ $table .= ''.
+ ''.&mt('Concept Number').' '.
+ ''.&mt('Concept').' '.
+ ''.&mt('Foil Number').' '.
+ ''.&mt('Foil Name').' '.
+ ''.&mt('Foil Text').' '.
+ ''.&mt('Correct Value').' '.
+ " \n";
+ } else {
+ $table .= ''.
+ ''.&mt('Foil Number').' '.
+ ''.&mt('Foil Name').' '.
+ ''.&mt('Foil Text').' '.
+ ''.&mt('Correct Value').' '.
+ " \n";
+ }
+ my $conceptindex = 1;
+ my $foilindex = 1;
+ foreach my $concept (@Concepts) {
+ my @FoilsInConcept = @{$concept->{'foils'}};
+ my $firstfoil = shift(@FoilsInConcept);
+ if (@Concepts > 1) {
+ $table .= ''.
+ ''.$conceptindex.' '.
+ ''.$concept->{'name'}.' '.
+ ''.$foilindex++.' '.
+ ''.$Foildata{$firstfoil}->{'name'}.' '.
+ ''.$Foildata{$firstfoil}->{'text'}.' '.
+ ''.$Foildata{$firstfoil}->{'value'}.' '.
+ " \n";
+ } else {
+ $table .= ''.
+ ''.$foilindex++.' '.
+ ''.$Foildata{$firstfoil}->{'name'}.' '.
+ ''.$Foildata{$firstfoil}->{'text'}.' '.
+ ''.$Foildata{$firstfoil}->{'value'}.' '.
+ " \n";
+ }
+ foreach my $foilid (@FoilsInConcept) {
+ if (@Concepts > 1) {
+ $table .= ''.
+ ' '.
+ ' '.
+ ''.$foilindex.' '.
+ ''.$Foildata{$foilid}->{'name'}.' '.
+ ''.$Foildata{$foilid}->{'text'}.' '.
+ ''.$Foildata{$foilid}->{'value'}.' '.
+ " \n";
+ } else {
+ $table .= ''.
+ ''.$foilindex.' '.
+ ''.$Foildata{$foilid}->{'name'}.' '.
+ ''.$Foildata{$foilid}->{'text'}.' '.
+ ''.$Foildata{$foilid}->{'value'}.' '.
+ " \n";
+ }
+ } continue {
+ $foilindex++;
+ }
+ } continue {
+ $conceptindex++;
+ }
+ $table .= "
\n";
+ #
+ # Build option index with color stuff
+ return ($table,\@Foils,\@Concepts);
+}
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $Str .= 'Unable to tie database.';
- $r->print($Str);
- return;
+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,
+ ''.
+ ''.
+ (' 'x4).' '.
+ ''.$option.' '.
+ " \n");
}
+ $table .= join('',reverse(@Rows));
+ $table .= "
\n";
+}
- # Remove students who don't have the proper section.
- my @sectionsSelected = split(':',$cache{'sectionsSelected'});
- for(my $studentIndex=((scalar @$students)-1); $studentIndex>=0;
- $studentIndex--) {
- my $value = $cache{$students->[$studentIndex].':section'};
- my $found = 0;
- foreach (@sectionsSelected) {
- if($_ eq 'none') {
- if($value eq '' || !defined($value) || $value eq ' ') {
- $found = 1;
- last;
+#########################################################
+#########################################################
+##
+## Tries Analysis
+##
+#########################################################
+#########################################################
+sub tries_analysis {
+ my ($PerformanceData,$ORdata) = @_;
+ 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;
+ $ENV{'form.AnalyzeAs'} = 'Foils';
+ }
+ my %ResponseData = &analyze_option_data_by_tries($PerformanceData,
+ $mintries,$maxtries);
+ #
+ # Compute the data neccessary to make the plots
+ my @PlotData; # Array which holds the data for each plot
+ # @{$PlotData[$try]->{'datasetname'}} holds the data for
+ # try $try with respect to 'datasetname'. The array is
+ # filled either with per-foil or per-concept data.
+ my ($extrakey,$xlabel,$ylabel);
+ if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
+ $extrakey = &build_option_index($ORdata);
+ $xlabel = 'Foil Number';
+ $ylabel = 'Percent Choosing Option';
+ foreach my $foilid (@$Foils) {
+ for (my $i=$mintries;$i<=$maxtries;$i++) {
+ foreach my $option ('_correct',@{$ORdata->{'Options'}}) {
+ push(@{$PlotData[$i]->{'_total'}},
+ $ResponseData{$foilid}->[$i]->{'_total'});
+ if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) {
+ push (@{$PlotData[$i]->{$option}},0);
+ } else {
+ push (@{$PlotData[$i]->{$option}},
+ 100 * $ResponseData{$foilid}->[$i]->{$option} /
+ $ResponseData{$foilid}->[$i]->{'_total'});
+ }
}
- } else {
- if($value eq $_) {
- $found = 1;
- last;
+ }
+ }
+ } else {
+ # 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.
+ $extrakey = '';
+ $xlabel = 'Concept Number';
+ $ylabel = 'Percent Correct';
+ 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'}/$cdata->{'_total'});
}
}
}
- if($found == 0) {
- splice(@$students, $studentIndex, 1);
+ } # End of work to fill @PlotData
+ #
+ # Build a table for the plots
+ $table .= "\n";
+ my @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 $title;
+ if ($maxstu == $minstu) {
+ $title = 'Attempt '.$i.', '.$maxstu.' students';
+ } else {
+ $title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students';
+ }
+ my @Datasets;
+ foreach my $option ('_correct',@{$ORdata->{'Options'}}) {
+ next if (! exists($PlotData[$i]->{$option}));
+ push(@Datasets,$PlotData[$i]->{$option});
+ }
+ my $graphlink = &Apache::loncommon::DrawGraph($title,
+ $xlabel,
+ $ylabel,
+ 100,
+ $plotcolors,
+ @Datasets);
+ push(@Plots,$graphlink);
+ }
+ #
+ # Should this be something the user can set? Too many dialogs!
+ while (my $plotlink = shift(@Plots)) {
+ $table .= ''.$plotlink.' '.$extrakey." \n";
}
- untie(%cache);
-
- if(&Apache::loncoursedata::DownloadStudentCourseDataSeparate($students,
- 'true',
- $cacheDB,
- 'true',
- 'true',
- $courseID,
- $r,
- $c) ne 'OK') {
- $r->print($Str);
- return;
- }
-
-
- unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
- $Str .= 'Unable to tie database.';
- $r->print($Str);
- return;
- }
-
- 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'};
-
- my %ConceptData;
- $ConceptData{"Interval"} = $interval;
-
- #Initialize the option response true answers
- my ($analyzeData) = &InitAnalysis($uri, $part, $responseId, $problem,
- $students->[0], $courseID);
- if(defined($analyzeData->{'error'})) {
- $Str .= $analyzeData->{'error'}.' Incorrect part requested. ';
- $r->print($Str);
- return;
- }
-
- $r->print($Str);
- $Str = '';
- if($c->aborted()) { untie(%cache); return; }
-
- #compute the intervals
- &Interval($part, $problem, $interval, $analyzeData->{'concepts'},
- \%ConceptData);
-
- $title =~ s/\ /"_"/eg;
- $Str .= ''.$uri.' ';
+ $table .= "
\n";
+ return ($table);
+}
- $r->print($Str);
- $Str = '';
- if($c->aborted()) { untie(%cache); return; }
-
- #Java script Progress window
- for(my $index=0; $index<(scalar @$students); $index++) {
- if($c->aborted()) { untie(%cache); return; }
- &OpStatus($problemId, $students->[$index], \%ConceptData,
- $analyzeData->{'foil_to_concept'}, $analyzeData, \%cache);
+sub analyze_option_data_by_tries {
+ my ($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($row));
+ my ($grading,$submission,$time,$tries) = @$row;
+ next if ($grading eq 'MISSING_ANSWER');
+ my @Foilgrades = split('&',$grading);
+ my @Foilsubs = split('&',$submission);
+ for (my $numtries = 1; $numtries <= $maxtries; $numtries++) {
+ if ($tries == $numtries) {
+ for (my $i=0;$i<=$#Foilgrades;$i++) {
+ my ($foilid,$correct) = split('=',$Foilgrades[$i]);
+ my (undef,$submission) = split('=',$Foilsubs[$i]);
+ $submission = &Apache::lonnet::unescape($submission);
+ if ($correct) {
+ $Trydata{$foilid}->[$numtries]->{'_correct'}++;
+ } else {
+ $Trydata{$foilid}->[$numtries]->{$submission}++;
+ }
+ $Trydata{$foilid}->[$numtries]->{'_total'}++;
+ }
+ }
+ }
}
+ return %Trydata;
+}
- $Str .= ' ';
- for (my $k=0; $k<$interval; $k++ ) {
- if($c->aborted()) { untie(%cache); return $Str; }
- $Str .= &DrawGraph($k, $title, $analyzeData->{'concepts'},
- \%ConceptData);
- $r->print($Str);
- $Str = '';
- }
- for (my $k=0; $k<$interval; $k++ ) {
- if($c->aborted()) { untie(%cache); return $Str; }
- $Str .= &DrawTable($k, $analyzeData->{'concepts'}, \%ConceptData);
- $r->print($Str);
- $Str = '';
+#########################################################
+#########################################################
+##
+## Time Analysis
+##
+#########################################################
+#########################################################
+sub time_analysis {
+ my ($PerformanceData,$ORdata) = @_;
+ my $num_plots = $ENV{'form.NumPlots'};
+ my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
+ my $num_data = scalar(@$PerformanceData)-1;
+ my $percent = sprintf('%2f',100/$num_plots);
+ my $extratable = '';
+ if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
+ $extratable = &build_option_index($ORdata);
+ }
+ $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);
+ my ($begin_index,$end_index,$plottitle,$plothtml,$data);
+ if (! defined($starttime) || ! defined($endtime)) {
+ $begin_index = $i*int($num_data/$num_plots);
+ $end_index = ($i+1)*int($num_data/$num_plots);
+ my $lownum = sprintf('%2.1f',$i*$percent);
+ $lownum =~ s/(\.0)$//;
+ my $highnum = sprintf('%2.1f',($i+1)*$percent);
+ $highnum =~ s/(\.0)$//;
+ $plottitle = $lownum.'% to '.$highnum.'% of submissions';
+ } else {
+ my $j;
+ while (++$j < scalar(@$PerformanceData)) {
+ last if ($PerformanceData->[$j]->[2] > $starttime);
+ }
+ $begin_index = $j;
+ while (++$j < scalar(@$PerformanceData)) {
+ last if ($PerformanceData->[$j]->[2] > $endtime);
+ }
+ $end_index = $j;
+ $plottitle = $ENV{'form.plottitle_'.$i};
+ }
+ ($plothtml,$starttime,$endtime,$data) =
+ &analyze_option_data_by_time($PerformanceData,
+ $begin_index,$end_index,
+ $plottitle,$Foils,
+ $Concepts,$ORdata);
+ my $startdateform = &Apache::lonhtmlcommon::date_setter
+ ('Statistics','startdate_'.$i,$starttime);
+ my $enddateform = &Apache::lonhtmlcommon::date_setter
+ ('Statistics','enddate_'.$i,$endtime);
+ $table.="".$plothtml.' '.
+ "Start Time : ".$startdateform." ".
+ "End Time : "." ".$enddateform." ".
+ 'Plot Title :'.(" "x3).
+ ' '.$extratable.
+ " \n";
}
- my $Answ=&Apache::lonnet::ssi($uri);
- $Str .= 'Here you can see the Problem: '.$Answ;
- $Str .= '
\n";
+ return $table;
}
-#---- Problem Analysis Web Page ----------------------------------------------
-
-sub IntervalOptions {
- my ($selectedInterval)=@_;
-
- my $interval = 1;
- for(my $n=1; $n<=7; $n++) {
- if($selectedInterval == $n) {
- $interval = $n;
+sub analyze_option_data_by_time {
+ my ($PerformanceData,$begin_index,
+ $end_index,$description,$Foils,$Concepts,$ORdata) = @_;
+ my %TimeData;
+ #
+ # Get the start and end times for this segment of the plot
+ my $starttime = $PerformanceData->[$begin_index]->[2];
+ my $endtime = $PerformanceData->[$end_index ]->[2];
+ #
+ # Compute the number getting the foils correct or incorrects
+ for (my $i=$begin_index;$i<=$end_index;$i++) {
+ my $row = $PerformanceData->[$i];
+ next if (! defined($row));
+ my ($grading,$submission,$time,$tries) = @$row;
+ next if ($grading eq 'MISSING_ANSWER');
+ my @Foilgrades = split('&',$grading);
+ my @Foilsubs = split('&',$submission);
+ for (my $j=0;$j<=$#Foilgrades;$j++) {
+ my ($foilid,$correct) = split('=',$Foilgrades[$j]);
+ my (undef,$submission) = split('=',$Foilsubs[$j]);
+ if ($correct) {
+ $TimeData{$foilid}->{'_correct'}++;
+ } else {
+ $submission = &HTML::Entities::decode($submission);
+ $submission =~ s/\%20/ /g;
+ $TimeData{$foilid}->{$submission}++;
+ }
+ $TimeData{$foilid}->{'_total'}++;
}
}
-
- my $Ptr = ''."\n";
- for(my $n=1; $n<=7;$ n++) {
- $Ptr .= '{'_total'};
+ my $optionidx = 0;
+ foreach my $option ('_correct',@{$ORdata->{'Options'}}) {
+ if ($total > 0) {
+ push(@{$Plotdata[$optionidx]},
+ 100 * $TimeData{$foil}->{$option} / $total);
+ } else {
+ push(@{$Plotdata[$optionidx]},0);
+ }
+ } continue {
+ $optionidx++;
+ }
+ }
+ } else {
+ $xlabel = 'Concept Number';
+ $ylabel = 'Percent Correct';
+ foreach my $concept (@$Concepts) {
+ my $correct;
+ my $total;
+ foreach my $foil (@{$concept->{'foils'}}) {
+ $correct+=$TimeData{$foil}->{'_correct'};
+ $total +=$TimeData{$foil}->{'_total'};
+ }
+ if ($total > 0) {
+ push(@{$Plotdata[0]},100 * $correct / $total);
+ } else {
+ push(@{$Plotdata[0]},0);
+ }
}
- $Ptr .= '>'.$n." "."\n";
}
- $Ptr .= ' '."\n";
-
- return $Ptr;
+ #
+ # Create the plot
+ my $graphlink = &Apache::loncommon::DrawGraph
+ ($description,#'Time Interval Analysis',
+ $xlabel,
+ $ylabel,
+ 100,
+ $plotcolors,
+ @Plotdata);
+ #
+ return ($graphlink,$starttime,$endtime,\%TimeData);
}
-sub OptionResponseTable {
- my ($optionResponses,$cache)=@_;
-
- my @optionResponses=split(':::', $optionResponses);
- my %partCount;
- my %sequences;
- foreach(@optionResponses) {
- my ($sequence, $problemId, $part, undef)=split(':',$_);
- $partCount{$problemId.':'.$part}++;
- if(!defined($sequences{$sequence})) {
- $sequences{$sequence} = $_;
- } else {
- $sequences{$sequence} .= ':::'.$_;
- }
+#########################################################
+#########################################################
+##
+## Interface
+##
+#########################################################
+#########################################################
+sub CreateInterface {
+ ##
+ ## Environment variable initialization
+ if (! exists$ENV{'form.AnalyzeOver'}) {
+ $ENV{'form.AnalyzeOver'} = 'Tries';
}
-
+ ##
+ ## Build the menu
my $Str = '';
-
- foreach my $sequence (sort(keys(%sequences))) {
- my @optionProblems = split(':::', $sequences{$sequence});
-
- $Str .= ''.$cache->{$sequence.':title'}.' '."\n";
- $Str .= " \# Problem Title ";
- $Str .= ' Resource Analysis '."\n";
-
- my $count = 1;
- foreach(@optionProblems) {
- my (undef, $problemId, $part, $response)=
- split(':',$sequences{$sequence});
- my $uri = $cache->{$problemId.':source'};
- my $title = $cache->{$problemId.':title'};
-
- my $Temp = ''.$title.' ';
- $Str .= '';
- $Str .= ' '.$count.' ';
- $Str .= ''.$Temp.' ';
- $Str .= ''.$uri.' ';
- if($partCount{$problemId.':'.$part} < 2) {
- $Str .= ' '."\n";
- } else {
- my $value = $problemId.':'.$part.':'.$response;
- $Str .= ' '."\n";
+ $Str .= ''."\n";
+ $Str .= '';
+ $Str .= ''.&mt('Sections').' ';
+ $Str .= ''.&mt('Enrollment Status').' ';
+# $Str .= ''.&mt('Sequences and Folders').' ';
+ $Str .= ' ';
+ $Str .= ' '."\n";
+ ##
+ ##
+ $Str .= ''."\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) {
+ return 0;
+ } else {
+ return 1;
+ }
+ };
+ &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
+ $only_seq_with_assessments);
+ ##
+ ##
+ $Str .= ' ';
+ { # These braces are here to organize the code, not scope it.
+ {
+ $Str .= ''.&mt('Analyze Over ');
+ $Str .='';
+ $Str .= '';
+ $Str .= ' ';
+ $Str .= ' ';
+ }
+ {
+ $Str .= ''.&mt('Analyze as ');
+ $Str .='';
+ $Str .= '';
+ $Str .= ' ';
+ $Str .= ' ';
+ }
+ {
+ $Str .= ''.&mt('Number of Plots:');
+ $Str .= '';
+ if (! exists($ENV{'form.NumPlots'})
+ || $ENV{'form.NumPlots'} < 1
+ || $ENV{'form.NumPlots'} > 20) {
+ $ENV{'form.NumPlots'} = 5;
+ }
+ foreach my $i (1,2,3,4,5,6,7,8,10,15,20) {
+ $Str .= '';
}
- $count++;
+ $Str .= ' ';
}
- $Str .= '
'."\n";
}
-
- return $Str;
+ $Str .= '';
+ ##
+ ##
+ $Str .= ''."\n";
+ $Str .= '
'."\n";
+ return ($Str);
}
-#---- END Problem Analysis Web Page ------------------------------------------
-
-#---- Analyze Web Page -------------------------------------------------------
-
-#restore the student submissions and finding the result
-sub OpStatus {
- my ($problemID, $student, $ConceptData, $foil_to_concept,
- $analyzeData, $cache)=@_;
-
- my $ids = $analyzeData->{'parts'};
- my @True = ();
- my @False = ();
- my $flag=0;
-
- my $tries=0;
-
- foreach my $id (@$ids) {
- my ($part, $response) = split(/\./, $id);
- my $time=$cache->{$student.':'.$problemID.':'.$part.':timestamp'};
- my @submissions = split(':::', $cache->{$student.':'.$problemID.':'.
- $part.':'.$response.
- ':submission'});
- foreach my $Resp (@submissions) {
- my %submission=&Apache::lonnet::str2hash($Resp);
- foreach (keys(%submission)) {
- if($submission{$_}) {
- my $answer = $analyzeData->{$id.'.foil.value.'.$_};
- if($submission{$_} eq $answer) {
- &Decide("true", $foil_to_concept->{$_},
- $time, $ConceptData);
- } else {
- &Decide("false", $foil_to_concept->{$_},
- $time, $ConceptData);
+sub OptionResponseProblemSelector {
+ my $Str;
+ $Str = "\n\n";
+ return $Str;
}
-sub DrawGraph {
- my ($k,$Src,$Concepts,$ConceptData)=@_;
- my $Max=0;
- my @data1;
- my @data2;
-
- # Adjust Data and find the Max
- for (my $n=0; $n<(scalar @$Concepts); $n++ ) {
- my $tmp=$Concepts->[$n];
- $data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'};
- $data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'};
- my $Sum=$data1[$n]+$data2[$n];
- if($Max < $Sum) {
- $Max=$Sum;
- }
- }
- for (my $n=0; $n<(scalar @$Concepts); $n++ ) {
- if ($data1[$n]+$data2[$n]<$Max) {
- $data2[$n]+=$Max-($data1[$n]+$data2[$n]);
- }
- }
- my $P_No = (scalar @data1);
-
- if($Max > 1) {
- $Max += (10 - $Max % 10);
- $Max = int($Max);
- } else {
- $Max = 1;
- }
-
- my $Titr=($ConceptData->{'Interval'}>1) ? $Src.'_interval_'.($k+1) : $Src;
-# $GData=$Titr.'&Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2;
- my $GData = '';
- $GData = $Titr.'&Concepts&Answers&'.$Max.'&'.$P_No.'&';
- $GData .= (join(',',@data1)).'&'.(join(',',@data2));
-
- return ' ';
-}
-
-sub DrawTable {
- my ($k,$Concepts,$ConceptData)=@_;
- my $Max=0;
- my @data1;
- my @data2;
- my $Correct=0;
- my $Wrong=0;
- for(my $n=0; $n<(scalar @$Concepts); $n++ ) {
- my $tmp=$Concepts->[$n];
- $data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'};
- $Correct+=$data1[$n];
- $data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'};
- $Wrong+=$data2[$n];
- my $Sum=$data1[$n]+$data2[$n];
- if($Max < $Sum) {
- $Max=$Sum;
- }
- }
- for(my $n=0; $n<(scalar @$Concepts); $n++ ) {
- if ($data1[$n]+$data2[$n]<$Max) {
- $data2[$n]+=$Max-($data1[$n]+$data2[$n]);
- }
- }
- my $P_No = (scalar @data1);
- my $Str = '';
-# $Str .= 'From: ['.localtime($ConceptData->{'Int.'.($k-1)});
-# $Str .= '] To: ['.localtime($ConceptData->{"Int.$k"}).'] ';
- $Str .= "\n".''.
- "\n".''.
- "\n".' # '.
- "\n".' Concept '.
- "\n".' Correct '.
- "\n".' Wrong '.
- "\n".' ';
-
- for(my $n=0; $n<(scalar @$Concepts); $n++ ) {
- $Str .= ''."\n";
- $Str .= ''.($n+1).' '."\n";
- my ($currentConcept) = split('::',$Concepts->[$n]);
- $Str .= ''.$currentConcept;
- $Str .= ' '."\n";
- $Str .= ''.$data1[$n].' '."\n";
- $Str .= ''.$data2[$n].' '."\n";
- $Str .= ' '."\n";
- }
- $Str .= 'From:['.localtime($ConceptData->{'Int.'.$k});
- $Str .= '] To: ['.localtime($ConceptData->{'Int.'.($k+1)}-1);
- $Str .= '] '.$Correct.' '.$Wrong.' ';
- $Str .= '
'."\n";
+#########################################################
+#########################################################
+##
+## Misc functions
+##
+#########################################################
+#########################################################
+sub get_problem_symb {
+ my $problemstring = shift();
+ my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/);
+ return ($symb,$partid,$resid);
+}
- return $Str;
-#$Apache::lonxml::debug=1;
-#&Apache::lonhomework::showhash(%ConceptData);
-#$Apache::lonxml::debug=0;
-}
-
-#---- END Analyze Web Page ----------------------------------------------
-
-sub Decide {
- #deciding the true or false answer belongs to each interval
- my ($type,$concept,$time,$ConceptData)=@_;
- my $k=0;
- while($time > $ConceptData->{'Int.'.($k+1)} &&
- $k < $ConceptData->{'Interval'}) {
- $k++;
- }
- $ConceptData->{$concept.'.'.$k.'.'.$type}++;
-
- return;
-}
-
-sub InitAnalysis {
- my ($uri,$part,$responseId,$problem,$student,$courseID)=@_;
- my ($name,$domain)=split(/\:/,$student);
-
- my %analyzeData;
- # Render the student's view of the problem. $Answ is the problem
- # Stringafied
- my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze',
- 'grade_username' => $name,
- 'grade_domain' => $domain,
- 'grade_courseid' => $courseID,
- 'grade_symb' => $problem));
- my ($Answer)=&Apache::lonnet::str2hashref($Answ);
-
- my $found = 0;
- my @parts=();
- if(defined($responseId)) {
- foreach (@{$Answer->{'parts'}}) {
- if($_ eq $part.'.'.$responseId) {
- push(@parts, $_);
- $found = 1;
- last;
- }
- }
- } else {
- foreach (@{$Answer->{'parts'}}) {
- if($_ =~ /$part/) {
- push(@parts, $_);
- $found = 1;
- last;
+sub get_resource_from_symb {
+ my ($symb) = @_;
+ foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
+ foreach my $res (@{$seq->{'contents'}}) {
+ if ($res->{'symb'} eq $symb) {
+ return $res;
}
}
}
+ return undef;
+}
- if($found == 0) {
- $analyzeData{'error'} = 'No parts matching selected values';
- return \%analyzeData;
- }
-
- my @Concepts=();
- my %foil_to_concept;
- foreach my $currentPart (@parts) {
- if(defined($Answer->{$currentPart.'.concepts'})) {
- foreach my $concept (@{$Answer->{$currentPart.'.concepts'}}) {
- push(@Concepts, $concept);
- foreach my $foil (@{$Answer->{$currentPart.'.concept.'.
- $concept}}) {
- $analyzeData{$currentPart.'.foil.value.'.$foil} =
- $Answer->{$currentPart.'.foil.value.'.$foil};
- $foil_to_concept{$foil} = $concept;
+##
+## get problem data and put it into a useful data structure.
+## note: we must force each foil and option to not begin or end with
+## spaces as they are stored without such data.
+##
+sub get_problem_data {
+ my ($url) = @_;
+ my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze'));
+ (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2);
+ my %Answer;
+ %Answer=&Apache::lonnet::str2hash($Answ);
+ my %Partdata;
+ foreach my $part (@{$Answer{'parts'}}) {
+ while (my($key,$value) = each(%Answer)) {
+ next if ($key !~ /^$part/);
+ $key =~ s/^$part\.//;
+ if (ref($value) eq 'ARRAY') {
+ if ($key eq 'options') {
+ $Partdata{$part}->{'Options'}=$value;
+ } elsif ($key eq 'concepts') {
+ $Partdata{$part}->{'Concepts'}=$value;
+ } elsif ($key =~ /^concept\.(.*)$/) {
+ my $concept = $1;
+ foreach my $foil (@$value) {
+ $Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}=
+ $concept;
+ }
}
- }
- } else {
- foreach (keys(%$Answer)) {
- if(/$currentPart.foil\.value\.(.*)$/) {
- push(@Concepts, $1);
- $foil_to_concept{$1} = $1;
- $analyzeData{$currentPart.'.foil.value.'.$1} =
- $Answer->{$currentPart.'.foil.value.'.$1};
+ } else {
+ if ($key=~ /^foil\.text\.(.*)$/) {
+ my $foil = $1;
+ $Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil;
+ $Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value;
+ } elsif ($key =~ /^foil\.value\.(.*)$/) {
+ my $foil = $1;
+ $Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value;
}
}
}
}
-
- $analyzeData{'parts'} = \@parts;
- $analyzeData{'concepts'} = \@Concepts;
- $analyzeData{'foil_to_concept'} = \%foil_to_concept;
-
- return \%analyzeData;
-}
-
-sub Interval {
- my ($part,$symb,$interval,$Concepts,$ConceptData)=@_;
- my $Int=$interval;
- my $due = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb);
- my $opn = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb);
- my $add=int(($due-$opn)/$Int);
- $ConceptData->{'Int.0'}=$opn;
- for(my $i=1; $i<$Int; $i++) {
- $ConceptData->{'Int.'.$i}=$opn+$i*$add;
- }
- $ConceptData->{'Int.'.$Int}=$due;
- for(my $i=0; $i<$Int; $i++) {
- for(my $n=0; $n<(scalar @$Concepts); $n++ ) {
- my $tmp=$Concepts->[$n];
- $ConceptData->{$tmp.'.'.$i.'.true'}=0;
- $ConceptData->{$tmp.'.'.$i.'.false'}=0;
- }
- }
+ return %Partdata;
}
+
1;
+
__END__