--- loncom/interface/statistics/lonproblemanalysis.pm 2004/02/10 19:49:54 1.65 +++ loncom/interface/statistics/lonproblemanalysis.pm 2004/02/16 20:50:03 1.68 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemanalysis.pm,v 1.65 2004/02/10 19:49:54 matthew Exp $ +# $Id: lonproblemanalysis.pm,v 1.68 2004/02/16 20:50:03 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -99,6 +99,7 @@ sub BuildProblemAnalysisPage { } $r->rflush(); # + my $problem_types = '(option|radiobutton|numerical)'; if (exists($ENV{'form.problemchoice'}) && ! exists($ENV{'form.SelectAnother'})) { foreach my $button (@SubmitButtons) { @@ -120,8 +121,8 @@ sub BuildProblemAnalysisPage { # my ($prev,$curr,$next) = &Apache::lonstathelpers::get_prev_curr_next($current_problem, - '(option|radiobutton)', - 'response', + $problem_types, + 'response', ); if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { $current_problem = $prev; @@ -157,6 +158,9 @@ sub BuildProblemAnalysisPage { &RadioResponseAnalysis($r,$current_problem, $ProblemData, \@Students); + } elsif ($current_problem->{'resptype'} eq 'numerical') { + &NumericalResponseAnalysis($r,$current_problem, + $ProblemData,\@Students); } else { $r->print('

This analysis is not supported

'); } @@ -168,10 +172,135 @@ sub BuildProblemAnalysisPage { $r->print(' 'x5); $r->print('

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

'); $r->print(&Apache::lonstathelpers::ProblemSelector - ('(option|radiobutton)')); + ($problem_types)); } } +######################################################### +######################################################### +## +## 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; +} + +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"); + $r->rflush(); + my ($min,$max); + foreach my $student (@$Students) { + my $sname = $student->{'username'}; + my $sdom = $student->{'domain'}; + my $answer = analyze_problem_as_student($resource, + $sname,$sdom, + $partid,$respid); + if (! defined($min) || $min > $answer) { + $min = $answer; + } + if (! defined($max) || $max < $answer) { + $max = $answer; + } +# $r->print(''. +# ''. +# ''. +# ''. +# ''."\n"); + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, + &mt('last student')); + $student->{'answer'} = $answer; + } + $r->print("
'.$sname.''.$sdom.''.$answer.'
\n"); + $r->rflush(); + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); + # close progress window + return ($max,$min); +} + +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 $worksheet; +} ######################################################### ######################################################### @@ -183,7 +312,7 @@ sub BuildProblemAnalysisPage { sub RadioResponseAnalysis { my ($r,$problem,$ProblemData,$Students) = @_; my ($resource,$respid) = ($problem->{'resource'}, - $problem->{'respid'}); + $problem->{'respid'}); my $analysis_html; my $PerformanceData = &Apache::loncoursedata::get_response_data @@ -1268,15 +1397,15 @@ sub build_foil_index { my $a1 = lc($a); my $b1 = lc($b); if (exists($Numbers{$a1})) { - $a = $Numbers{$a1}; + $a1 = $Numbers{$a1}; } if (exists($Numbers{$b1})) { - $b = $Numbers{$b1}; + $b1 = $Numbers{$b1}; } - if (($a =~/^\d+$/) && ($b =~/^\d+$/)) { - return $a <=> $b; + if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) { + return $a1 <=> $b1; } else { - return $a cmp $b; + return $a1 cmp $b1; } }; my @Concepts; @@ -1552,6 +1681,27 @@ sub Process_OR_Row { return %RowData; } + +sub analyze_problem_as_student { + my ($resource,$sname,$sdom,$partid,$respid) = @_; + my $url = $resource->{'src'}; + my $symb = $resource->{'symb'}; + my $courseid = $ENV{'request.course.id'}; + my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', + 'grade_domain' => $sdom, + 'grade_username' => $sname, + 'grade_symb' => $symb, + 'grade_courseid' => $courseid)); + (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); + my %Answer=&Apache::lonnet::str2hash($Answ); + my $key = $partid.'.'.$respid.'.answer'; + my $student_answer = $Answer{$key}->[0]; + if (! defined($student_answer)) { + $student_answer = $Answer{$key}->[1]; + } + return ($student_answer); +} + ## ## 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 @@ -1566,6 +1716,17 @@ sub get_problem_data { my %Partdata; foreach my $part (@{$Answer{'parts'}}) { while (my($key,$value) = each(%Answer)) { + # + # Logging code: + if (0) { + &Apache::lonnet::logthis($part.' got key "'.$key.'"'); + if (ref($value) eq 'ARRAY') { + &Apache::lonnet::logthis(' '.join(',',@$value)); + } else { + &Apache::lonnet::logthis(' '.$value); + } + } + # End of logging code next if ($key !~ /^$part/); $key =~ s/^$part\.//; if (ref($value) eq 'ARRAY') { @@ -1579,6 +1740,8 @@ sub get_problem_data { $Partdata{$part}->{'_Foils'}->{$foil}->{'_Concept'}= $concept; } + } elsif ($key =~ /^(incorrect|answer|ans_low|ans_high)$/) { + $Partdata{$part}->{$key}=$value; } } else { if ($key=~ /^foil\.text\.(.*)$/) { @@ -1599,11 +1762,3 @@ sub get_problem_data { 1; __END__ - -##### -# partdata{part}->{_Foils}->{foilid}->{'name'} = $ -# ->{'text'} = $ -# ->{'value'} = $ -# ->{'_Concept'} = $ -# partdata{part}->{_Options} = @ -# partdata{part}->{_Concepts} = @