--- loncom/interface/statistics/lonproblemanalysis.pm 2002/11/25 18:02:49 1.14 +++ loncom/interface/statistics/lonproblemanalysis.pm 2003/10/14 14:23:14 1.35 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA -# (Publication Handler # -# $Id: lonproblemanalysis.pm,v 1.14 2002/11/25 18:02:49 minaeibi Exp $ + +# $Id: lonproblemanalysis.pm,v 1.35 2003/10/14 14:23:14 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,651 +25,607 @@ # # 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 GDBM_File; - -my $jr; +use Apache::loncoursedata(); +use Apache::lonstatistics; +use Apache::lonlocal; sub BuildProblemAnalysisPage { - my ($cacheDB, $r)=@_; - - my %cache; - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { - $r->print('Unable to tie database.'); - return; - } - - my $Ptr = ''; - $Ptr .= '<table border="0"><tbody>'; - $Ptr .= '<tr><td align="right"><b>Select Sections</b>'; - $Ptr .= '</td>'."\n"; - $Ptr .= '<td align="left">'."\n"; - my @sectionsSelected = split(':',$cache{'sectionsSelected'}); - my @sections = split(':',$cache{'sectionList'}); - $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, - \@sectionsSelected, - 'Statistics'); - $Ptr .= '</td></tr>'."\n"; - $Ptr .= '<tr><td align="right"><b>Intervals</b></td>'."\n"; - $Ptr .= '<td align="left">'; - $Ptr .= &IntervalOptions($cache{'Interval'}); - $Ptr .= '</td></tr></table><br>'; - $r->print($Ptr); - $r->rflush(); - $r->print(&OptionResponseTable($cache{'OptionResponses'}, \%cache, $r)); - - untie(%cache); - - return; -} - -sub BuildAnalyzePage { - my ($cacheDB, $students, $courseID,$r)=@_; - - $jr = $r; - my $c = $r->connection; - - my $Str = '</form>'; - my %cache; - - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { - $Str .= 'Unable to tie database.'; - $r->print($Str); - return; - } - - # Remove students who don't have the proper section. - my @sectionsSelected = split(':',$cache{'sectionsSelected'}); - - my $studentCount = scalar @$students; - for(my $studentIndex=$studentCount-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 ' ') { - $found = 1; - last; + my ($r,$c)=@_; + $r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); + $r->print(&CreateInterface()); + # + my @Students = @Apache::lonstatistics::Students; + # + if (exists($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('<input type="hidden" name="firstanalysis" value="yes" />'); + } else { + $r->print('<input type="hidden" name="firstanalysis" value="no" />'); + } + if (exists($ENV{'form.problemchoice'}) && + ! exists($ENV{'form.SelectAnother'})) { + $r->print('<input type="submit" name="ProblemAnalysis" value="'. + &mt('Analyze Problem Again').'" />'); + $r->print(' 'x5); + $r->print('<input type="submit" name="ClearCache" value="'. + &mt('Clear Caches').'" />'); + $r->print(' 'x5); + $r->print('<input type="submit" name="updatecaches" value="'. + &mt('Update Student Data').'" />'); + $r->print(' 'x5); + $r->print('<input type="hidden" name="problemchoice" value="'. + $ENV{'form.problemchoice'}.'" />'); + $r->print('<input type="submit" name="SelectAnother" value="'. + &mt('Choose a different resource').'" />'); + $r->print(' 'x5); + # + $r->print('<hr />'); + # + my ($symb,$part,$resid) = &get_problem_symb( + &Apache::lonnet::unescape($ENV{'form.problemchoice'}) + ); + # + my $resource = &get_resource_from_symb($symb); + if (defined($resource)) { + my %Data = &get_problem_data($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; + $rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; + $r->print('<table bgcolor="ffffff"><tr><td>'. + '<base href="'.$base.'" />'. + $rendered_problem. + '</td></tr></table>'); + ## + ## Analyze the problem + my $PerformanceData = + &Apache::loncoursedata::get_optionresponse_data + (\@Students,$symb,$resid); + if (defined($PerformanceData) && + ref($PerformanceData) eq 'ARRAY') { + if ($ENV{'form.AnalyzeBy'} eq 'Tries') { + my $analysis_html = &tries_analysis($PerformanceData, + $ORdata); + $r->print($analysis_html); + } elsif ($ENV{'form.AnalyzeBy'} eq 'Time') { + my $analysis_html = &time_analysis($PerformanceData, + $ORdata); + $r->print($analysis_html); + } else { + $r->print('<h2>'. + &mt('The analysis you have selected is '. + 'not supported at this time'). + '</h2>'); } } else { - if($value eq $_) { - $found = 1; - last; - } + $r->print('<h2>'. + &mt('There is no student data for this problem.'). + '</h2>'); } + } else { + $r->print('resource is undefined'); } - if($found == 0) { - splice(@$students, $studentIndex, 1); - } - } - unless(untie(%cache)) { - $r->print('Can not untie hash.'); - $r->rflush(); - } - #if($status eq 'true') - { &Apache::lonhtmlcommon::Close_PrgWin($r); } - - -# my $error = -# &Apache::loncoursedata::DownloadStudentCourseDataSeparate($students, -# 'true', -# $cacheDB, -# 'true', -# 'true', -# $courseID, -# $r, $c); -# if($error ne 'OK') { -# $r->print($error.'<br>Error downloading course data<br>'); -# 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 $title = 'LON-CAPA Statistics'; - my $heading = 'Restore this particular Option Response Problem '. - 'Results, Please wait...'; - - 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'}.'<br>Incorrect part requested.<br>'; - $r->print($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; - $Str .= '<br><b>'.$uri.'</b>'; - - $r->print($Str); - $Str = ''; - if($c->aborted()) { untie(%cache); return; } - - &Apache::lonhtmlcommon::Create_PrgWin($r, $title, $heading); - - my $count=0; - #Java script Progress window - for(my $index=0; $index<(scalar @$students); $index++) { - if($c->aborted()) { untie(%cache); return; } - $count++; - my $displayString = $count.'/'.$studentCount.': '.$_; - &Apache::lonhtmlcommon::Update_PrgWin($displayString, $r); - &OpStatus($problemId, $students->[$index], \%ConceptData, - $analyzeData->{'foil_to_concept'}, $analyzeData, - \%cache, $courseID); - } - &Apache::lonhtmlcommon::Close_PrgWin($r); - - $Str .= '<br>'; - 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 = ''; - } - my $Answ=&Apache::lonnet::ssi($uri); - $Str .= '<br><b>Here you can see the Problem:</b><br>'.$Answ; - $Str .= '<form>'; - $r->print($Str); - - untie(%cache); - - return; -} - -#---- Problem Analysis Web Page ---------------------------------------------- - -sub IntervalOptions { - my ($selectedInterval)=@_; - - my $interval = 1; - for(my $n=1; $n<=7; $n++) { - if($selectedInterval == $n) { - $interval = $n; - } - } - - my $Ptr = '<select name="Interval">'."\n"; - for(my $n=1; $n<=7;$ n++) { - $Ptr .= '<option'; - if($interval == $n) { - $Ptr .= ' selected'; + $r->print('<hr />'); + } else { + $r->print('<input type="submit" name="ProblemAnalysis" value="'. + &mt('Analyze Problem').'" />'); + $r->print(' 'x5); + $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); + $r->print(&OptionResponseProblemSelector()); + } +} + + +######################################################### +######################################################### +## +## Misc interface routines use by analysis code +## +######################################################### +######################################################### +sub build_foil_index { + my ($ORdata) = @_; + my @Foils = sort(keys(%{$ORdata->{'Foiltext'}})); + my %Row_Label; + foreach my $foilid (@Foils) { + my $value = $ORdata->{'Foiltext'}->{$foilid}; + $Row_Label{$foilid} = $ORdata->{'Foiltext'}->{$foilid}; + } + # + # Build up the table of row labels. + my $table = '<table border="1" >'."\n"; + $table .= '<tr><th>'.&mt('Foil Number').'</th>'. + '<th>'.&mt('Foil Text')."</th></tr>\n"; + my $index = 1; + foreach my $foilid (@Foils) { + $table .= '<tr><td>'.$index.'</td>'. + '<td>'.$Row_Label{$foilid}."</td></tr>\n"; + } continue { + $index++; + } + $table .= "</table>\n"; + return ($table,@Foils); +} + +######################################################### +######################################################### +## +## Tries Analysis +## +######################################################### +######################################################### +sub tries_analysis { + my ($PerformanceData,$ORdata) = @_; + my $mintries = 1; + my $maxtries = $ENV{'form.NumPlots'}; + my %ResponseData = &analyze_option_data_by_tries($PerformanceData, + $mintries,$maxtries); + my ($table,@Foils) = &build_foil_index($ORdata); + # + # Compute the data neccessary to make the plots + my @PlotData; + my @CumulativePlotData; + foreach my $foilid (@Foils) { + for (my $i=$mintries;$i<=$maxtries;$i++) { + # + # Gather the per-attempt data + push (@{$PlotData[$i]->{'good'}}, + $ResponseData{$foilid}->[$i]->{'percent_corr'}); + push (@{$PlotData[$i]->{'bad'}}, + 100-$ResponseData{$foilid}->[$i]->{'percent_corr'}); + # + # Someday we may need the cumulative data and I think + # this is a neat way of computing it as we go along. + push (@{$CumulativePlotData[$i]->{'good'}}, + $CumulativePlotData[-1]->{'good'}+ + $ResponseData{$foilid}->[$i]->{'correct'}); + push (@{$CumulativePlotData[$i]->{'bad'}}, + $CumulativePlotData[-1]->{'bad'}+ + $ResponseData{$foilid}->[$i]->{'incorrect'}); + } + } + # + # Build a table for the plots + $table .= "<table>\n"; + my @Plots; + for (my $i=$mintries;$i<=$maxtries;$i++) { + my $minstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; + my $maxstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; + foreach my $foilid (@Foils) { + if ($minstu > $ResponseData{$foilid}->[$i]->{'total'}) { + $minstu = $ResponseData{$foilid}->[$i]->{'total'}; + } + if ($maxstu < $ResponseData{$foilid}->[$i]->{'total'}) { + $maxstu = $ResponseData{$foilid}->[$i]->{'total'}; + } } - $Ptr .= '>'.$n."</option>"."\n"; - } - $Ptr .= '</select>'."\n"; - - return $Ptr; -} - -sub OptionResponseTable { - my ($optionResponses,$cache,$r)=@_; - - my @optionResponses=split(':::', $optionResponses); - my %partCount; - my %sequences; - my @orderedSequences=(); - foreach(@optionResponses) { - my ($sequence, $problemId, $part, undef)=split(':',$_); - $partCount{$problemId.':'.$part}++; - if(!defined($sequences{$sequence})) { - push(@orderedSequences, $sequence); - $sequences{$sequence} = $_; + $maxstu = 0 if (! $maxstu); + $minstu = 0 if (! $minstu); + my $title; + if ($maxstu == $minstu) { + $title = 'Attempt '.$i.', '.$maxstu.' students'; } else { - $sequences{$sequence} .= ':::'.$_; + $title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; } - } - - my $Str = ''; - - foreach my $sequence (@orderedSequences) { - my @optionProblems = split(':::', $sequences{$sequence}); - - $Str .= '<b>'.$cache->{$sequence.':title'}.'</b>'."\n"; - $Str .= "<table border=2><tr><th> \# </th><th> Problem Title </th>"; - $Str .= '<th> Resource </th><th> Analysis </th></tr>'."\n"; - - my $count = 1; - foreach(@optionProblems) { - my (undef, $problemId, $part, $response)= - split(':',$optionProblems[$count-1]); -# split(':',$sequences{$sequence}); - my $uri = $cache->{$problemId.':source'}; - my $title = $cache->{$problemId.':title'}; - - my $Temp = '<a href="'.$uri.'" target="_blank">'.$title.'</a>'; - $Str .= '<tr>'; - $Str .= '<td> '.$count.' </td>'; - $Str .= '<td bgcolor="#DDFFDD">'.$Temp.'</td>'; - $Str .= '<td bgcolor="#EEFFCC">'.$uri.'</td>'; - if($partCount{$problemId.':'.$part} < 2) { - $Str .= '<td><input type="submit" name="Analyze:::'; - $Str .= $problemId.':'.$part.'" value="'; - $Str .= 'Part '.$part; - $Str .= '" /></td></tr>'."\n"; + my $graphlink = &Apache::loncommon::DrawGraph($title, + 'Foil Number', + 'Percent Correct', + 100, + $PlotData[$i]->{'good'}, + $PlotData[$i]->{'bad'}); + push(@Plots,$graphlink); + } + # + # Should this be something the user can set? Too many dialogs! + my $plots_per_row = 2; + while (my $plotlink = shift(@Plots)) { + $table .= '<tr><td>'.$plotlink.'</td>'; + for (my $i=1;$i<$plots_per_row;$i++) { + if ($plotlink = shift(@Plots)) { + $table .= '<td>'.$plotlink.'</td>'; } else { - my $value = $problemId.':'.$part.':'.$response; - $Str .= '<td><input type="submit" name="Analyze:::'.$value; - $Str .= '" value="'; - $Str .= 'Part '.$part.' Response '.$response; - $Str .= '" /></td></tr>'."\n"; + $table .= '<td></td>'; } - $count++; } - $Str .= '</table><br>'."\n"; + $table .= "</tr>\n"; } - - return $Str; + $table .= "</table>\n"; + return ($table); } -#---- END Problem Analysis Web Page ------------------------------------------ - -#---- Analyze Web Page ------------------------------------------------------- - -#restore the student submissions and finding the result -=pod -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, $ConceptData); +sub analyze_option_data_by_tries { + my ($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; + my @Foilgrades = split('&',$grading); + my @Foilsubs = split('&',$submission); + for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { + if ($tries == $numtries) { + foreach my $foilgrade (@Foilgrades) { + my ($foilid,$correct) = split('=',$foilgrade); + if ($correct) { + $Trydata{$foilid}->[$numtries]->{'correct'}++; } else { - &Decide("false", $foil_to_concept->{$_}, - $time, $ConceptData); - } + $Trydata{$foilid}->[$numtries]->{'incorrect'}++; + } } } } } + foreach my $foilid (keys(%Trydata)) { + foreach my $tryhash (@{$Trydata{$foilid}}) { + next if ((! exists($tryhash->{'correct'}) && + ! exists($tryhash->{'incorrect'})) || + ($tryhash->{'correct'} < 1 && + $tryhash->{'incorrect'} < 1)); + $tryhash->{'total'} = $tryhash->{'correct'} + + $tryhash->{'incorrect'}; + $tryhash->{'percent_corr'} = 100 * + ($tryhash->{'correct'} / + ($tryhash->{'correct'} + $tryhash->{'incorrect'}) + ); + } + } + return %Trydata; +} + +######################################################### +######################################################### +## +## Time Analysis +## +######################################################### +######################################################### +sub time_analysis { + my ($PerformanceData,$ORdata) = @_; + my $num_plots = $ENV{'form.NumPlots'}; + my ($table,@Foils) = &build_foil_index($ORdata); + my $num_data = scalar(@$PerformanceData)-1; + my $percent = sprintf('%2f',100/$num_plots); + 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; + $plottitle = 'Tries plot '.($i+1); + } - return; -} -=cut - -sub OpStatus { - my ($problemID, $student, $ConceptData, $foil_to_concept, - $analyzeData, $cache, $courseID)=@_; - - my $ids = $analyzeData->{'parts'}; - my ($uname,$udom)=split(/\:/,$student); - my $symb = $cache->{$problemID.':problem'}; - - my @True = (); - my @False = (); - my $flag=0; - my $tries=0; - -# $jr->print("<br> ID= $problemID <br> student= $student<br> prob= $symb<br>"); - - foreach my $id (@$ids) { - my ($part, $response) = split(/\./, $id); -#=pod - my %reshash=&Apache::lonnet::restore($symb,$courseID,$udom,$uname); - if ($reshash{'version'}) { - my $tries=0; - #&Apache::lonhomework::showhash(%$analyzeData); - for (my $version=1;$version<=$reshash{'version'};$version++) { - my $time=$reshash{"$version:timestamp"}; - - foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) { - if (($key=~/\.(\w+)\.(\w+)\.submission$/)) { - my $Id1 = $1; my $Id2 = $2; - #check if this is a repeat submission, if so skip it - if ($reshash{"$version:resource.$Id1.previous"}) { next; } - #if no solved this wasn't a real submission, ignore it - if (!defined($reshash{"$version:resource.$Id1.solved"})) { - &Apache::lonxml::debug("skipping "); - next; - } - my $Resp = $reshash{"$version:$key"}; - my %submission=&Apache::lonnet::str2hash($Resp); - foreach (keys %submission) { - my $Ansr = $analyzeData->{"$Id1.$Id2.foil.value.$_"}; - if($submission{$_} eq $Ansr) { - &Decide("true", $foil_to_concept->{$_}, - $time, $ConceptData); - } else { - &Decide("false", $foil_to_concept->{$_}, - $time, $ConceptData); - } - } - } - } - } - } -#=cut -=pod - 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, $ConceptData); - } - } + ($plothtml,$starttime,$endtime,$data) = + &analyze_option_data_by_time($PerformanceData, + $begin_index,$end_index, + $plottitle, + @Foils); + my $startdateform = &Apache::lonhtmlcommon::date_setter + ('Statistics','startdate_'.$i,$starttime); + my $enddateform = &Apache::lonhtmlcommon::date_setter + ('Statistics','enddate_'.$i,$endtime); + $plothtml.= "<br />\n". + "<b>Start Time</b>: "." ".$startdateform."<br />\n". + "<b>End Time</b> : "." ".$enddateform."<br />\n"; + $table.=$plothtml; + } + return $table; +} + +sub analyze_option_data_by_time { + my ($PerformanceData,$begin_index,$end_index,$description,@Foils) = @_; + 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; + my @Foilgrades = split('&',$grading); + my @Foilsubs = split('&',$submission); + foreach my $foilgrade (@Foilgrades) { + my ($foilid,$correct) = split('=',$foilgrade); + if ($correct) { + $TimeData{$foilid}->{'correct'}++; + } else { + $TimeData{$foilid}->{'incorrect'}++; } } -=cut } - - return; + # + # Compute the total and percent correct + my @Plotdata1; + my @Plotdata2; + foreach my $foilid (@Foils) { + if (! exists($TimeData{$foilid}->{'correct'})) { + $TimeData{$foilid}->{'correct'} = 0; + } + if (! exists($TimeData{$foilid}->{'incorrect'})) { + $TimeData{$foilid}->{'incorrect'} = 0; + } + $TimeData{$foilid}->{'total'} = $TimeData{$foilid}->{'correct'} + + $TimeData{$foilid}->{'incorrect'}; + $TimeData{$foilid}->{'percent_corr'} = 100 * + $TimeData{$foilid}->{'correct'} / + $TimeData{$foilid}->{'total'}; + push (@Plotdata1, $TimeData{$foilid}->{'percent_corr'}); + push (@Plotdata2,100-$TimeData{$foilid}->{'percent_corr'}); + } + # + # Create the plot + my $graphlink = &Apache::loncommon::DrawGraph + ($description,#'Time Interval Analysis', + 'Foil Number', + 'Percent Correct / Incorrect', + 100, + \@Plotdata1,\@Plotdata2); + # + return ($graphlink,$starttime,$endtime,\%TimeData); } -=pod -sub OpStatus { - my ($rid,$student,$ConceptData,$foil_to_concept,$analyzeData,$cache)=@_; - my ($uname,$udom)=split(/\:/,$student); - my $code='U'; - $rid=~/(\d+)\.(\d+)/; - my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'. - &Apache::lonnet::declutter($hash{'src_'.$rid}); - my %reshash=&Apache::lonnet::restore($symb,$cid,$udom,$uname); - my @True = (); - my @False = (); - my $flag=0; - if ($reshash{'version'}) { - my $tries=0; - &Apache::lonhomework::showhash(%Answer); - for (my $version=1;$version<=$reshash{'version'};$version++) { - my $time=$reshash{"$version:timestamp"}; - - foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) { - if (($key=~/\.(\w+)\.(\w+)\.submission$/)) { - my $Id1 = $1; my $Id2 = $2; - #check if this is a repeat submission, if so skip it - if ($reshash{"$version:resource.$Id1.previous"}) { next; } - #if no solved this wasn't a real submission, ignore it - if (!defined($reshash{"$version:resource.$Id1.solved"})) { - &Apache::lonxml::debug("skipping "); - next; - } - my $Resp = $reshash{"$version:$key"}; - my %submission=&Apache::lonnet::str2hash($Resp); - foreach (keys %submission) { - my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"}; - if ($submission{$_}) { - if ($submission{$_} eq $Ansr) { - &Decide("true",$_,$time ); - } - else {&Decide("false",$_,$time );} - } - } - } - } - } - } -} -=cut - -sub DrawGraph { - my ($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.'&'; - $GData .= (join(',',@data1)).'&'.(join(',',@data2)); - - return '<IMG src="/cgi-bin/graph.gif?'.$GData.'" border=1/>'; -} - -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[$n]); - } + + +######################################################### +######################################################### +## +## Interface +## +######################################################### +######################################################### +sub CreateInterface { + ## + ## Environment variable initialization + if (! exists$ENV{'form.AnalyzeBy'}) { + $ENV{'form.AnalyzeBy'} = 'Tries'; } - my $P_No = (scalar @data1); + ## + ## Build the menu my $Str = ''; -# $Str .= '<br><b>From: ['.localtime($ConceptData->{'Int.'.($k-1)}); -# $Str .= '] To: ['.localtime($ConceptData->{"Int.$k"}).']</b>'; - $Str .= "\n".'<table border=2>'. - "\n".'<tr>'. - "\n".'<th> # </th>'. - "\n".'<th> Concept </th>'. - "\n".'<th> Correct </th>'. - "\n".'<th> Wrong </th>'. - "\n".'</tr>'; - - for(my $n=0; $n<(scalar @$Concepts); $n++ ) { - $Str .= '<tr>'."\n"; - $Str .= '<td>'.($n+1).'</td>'."\n"; - my ($currentConcept) = split('::',$Concepts->[$n]); - $Str .= '<td bgcolor="EEFFCC">'.$currentConcept; - $Str .= '</td>'."\n"; - $Str .= '<td bgcolor="DDFFDD">'.$data1[$n].'</td>'."\n"; - $Str .= '<td bgcolor="FFDDDD">'.$data2[$n].'</td>'."\n"; - $Str .= '</tr>'."\n"; - } - $Str .= '<td></td><td><b>From:['.localtime($ConceptData->{'Int.'.$k}); - $Str .= '] To: ['.localtime($ConceptData->{'Int.'.($k+1)}-1); - $Str .= ']</b></td><td>'.$Correct.'</td><td>'.$Wrong.'</td>'; + $Str .= '<table cellspacing="5">'."\n"; + $Str .= '<tr>'; + $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; + $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; +# $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; + $Str .= '<td align="center"> </td>'; + $Str .= '</tr>'."\n"; + ## + ## + $Str .= '<tr><td align="center">'."\n"; + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); + $Str .= '</td>'; + # + $Str .= '<td align="center">'; + $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); + $Str .= '</td>'; + # +# $Str .= '<td align="center">'; + 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 .= '</td>'; + # + $Str .= '<td>'; + $Str .= '<nobr>'.&mt('Analyze By '); + $Str .='<select name="AnalyzeBy" >'; + # + $Str .= '<option value="Tries" '; + if (! exists($ENV{'form.AnalyzeBy'}) || $ENV{'form.AnalyzeBy'} eq 'Tries'){ + # Default to Tries + $Str .= ' selected '; + } + $Str .= '>'.&mt('Tries').'</option>'; + # + $Str .= '<option value="Time" '; + $Str .= ' selected ' if ($ENV{'form.AnalyzeBy'} eq 'Time'); + $Str .= '>'.&mt('Time').'</option>'; + $Str .= '</select></nobr><br />'; + # + $Str .= '<br /><nobr>'.&mt('Number of Plots:'); + $Str .= '<select name="NumPlots">'; + if (! exists($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) { + $Str .= '<option value="'.$i.'" '; + if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; } + $Str .= '>'.$i.'</option>'; + } + $Str .= '</select></nobr>'; + $Str .= '</td>'; + # + $Str .= '</tr>'."\n"; $Str .= '</table>'."\n"; + return ($Str); +} - 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; +sub OptionResponseProblemSelector { + my $Str; + $Str = "\n<table>\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<scalar(@{$partdata->{'ResponseTypes'}});$i++){ + my $respid = $partdata->{'ResponseIds'}->[$i]; + my $resptype = $partdata->{'ResponseTypes'}->[$i]; + if ($resptype eq 'option') { + my $value = &Apache::lonnet::escape($res->{'symb'}.':'.$part.':'.$respid); + my $checked = ''; + if ($ENV{'form.problemchoice'} eq $value) { + $checked = 'checked '; + } + $seq_str .= '<tr><td>'. + '<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. + '</td><td>'. + '<a href="'.$res->{'src'}.'">'.$res->{'title'}.'</a> '; + if ($partdata->{'option'} > 1) { + $seq_str .= &mt('response').' '.$respid; + } + $seq_str .= "</td></tr>\n"; + } + } } } - } else { - foreach (@{$Answer->{'parts'}}) { - if($_ =~ /$part/) { - push(@parts, $_); - $found = 1; - last; + if ($seq_str ne '') { + $Str .= '<tr><td> </td><td><b>'.$seq->{'title'}.'</b></td>'. + "</tr>\n".$seq_str; + } + } + $Str .= "</table>\n"; + return $Str; +} + +######################################################### +######################################################### +## +## Misc functions +## +######################################################### +######################################################### +sub get_problem_symb { + my $problemstring = shift(); + my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); + return ($symb,$partid,$resid); +} + +sub get_resource_from_symb { + my ($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} = $concept; +sub get_problem_data { + my ($url) = @_; +# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze', +# 'grade_username' => $sname, +# 'grade_domain' => $sdom, +# 'grade_courseid' => $cid, +# 'grade_symb' => $symb)); + my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); + (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); + my %Answer; + %Answer=&Apache::lonnet::str2hash($Answ); +# &Apache::lonnet::logthis('keys of %Answer = '.join(', ',(keys(%Answer)))); +# &Apache::lonnet::logthis('$Answer{parts} = '. +# join(', ',@{$Answer{'parts'}})); + 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}->{$foil}->{'Concept'}=$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.'.$1}; + # &Apache::lonnet::logthis($part.' '.$key.' (array) = '. + # join(', ',@$value)); + } else { + $value =~ s/^\s*//g; + $value =~ s/\s*$//g; + if ($key=~ /^foil\.text\.(.*)$/) { + my $foil = $1; + $Partdata{$part}->{'Foiltext'}->{$foil}=$value; + } elsif ($key =~ /^foil\.value\.(.*)$/) { + my $foil = $1; + $Partdata{$part}->{'FoilValues'}->{$foil}=$value; } +# &Apache::lonnet::logthis($part.' '.$key.' = '.$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; - } - } +# my $parts=''; +# foreach my $elm (@{$Answer{"parts"}}) { +# $parts.="$elm,"; +# } +# 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"}; +# } +# } +# return $symb; + return %Partdata; } + 1; + __END__