version 1.38, 2003/10/14 22:02:49
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version 1.40, 2003/10/16 13:23:13
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Line 37 use Apache::lonstatistics;
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Line 37 use Apache::lonstatistics;
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use Apache::lonlocal; |
use Apache::lonlocal; |
use HTML::Entities(); |
use HTML::Entities(); |
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my $plotcolors = ['#33ff00', |
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'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
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'#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
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]; |
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sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
$r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); |
$r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); |
Line 54 sub BuildProblemAnalysisPage {
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Line 59 sub BuildProblemAnalysisPage {
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} else { |
} else { |
$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
} |
} |
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$r->rflush(); |
if (exists($ENV{'form.problemchoice'}) && |
if (exists($ENV{'form.problemchoice'}) && |
! exists($ENV{'form.SelectAnother'})) { |
! exists($ENV{'form.SelectAnother'})) { |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
Line 167 sub build_foil_index {
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Line 173 sub build_foil_index {
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ten => 10,); |
ten => 10,); |
my $a1 = $a; |
my $a1 = $a; |
my $b1 = $b; |
my $b1 = $b; |
if (exists($Numbers{$a})) { |
if (exists($Numbers{lc($a)})) { |
$a1 = $Numbers{$a}; |
$a1 = $Numbers{lc($a)}; |
} |
} |
if (exists($Numbers{$b})) { |
if (exists($Numbers{lc($b)})) { |
$b1 = $Numbers{$b}; |
$b1 = $Numbers{lc($b)}; |
} |
} |
$a1 cmp $b1; |
$a1 cmp $b1; |
}; |
}; |
my @Concepts; |
my @Concepts; |
foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
push(@Concepts,{name => $concept, |
push(@Concepts,{ name => $concept, |
foils => [@{$Concepts{$concept}}]}); |
foils => [@{$Concepts{$concept}}]}); |
push(@Foils,(@{$Concepts{$concept}})); |
push(@Foils,(@{$Concepts{$concept}})); |
} |
} |
# |
# |
# Build up the table of row labels. |
# Build up the table of row labels. |
my $table = '<table border="1" >'."\n"; |
my $table = '<table border="1" >'."\n"; |
$table .= '<tr>'. |
if (@Concepts > 1) { |
'<th>'.&mt('Concept Number').'</th>'. |
$table .= '<tr>'. |
'<th>'.&mt('Concept').'</th>'. |
'<th>'.&mt('Concept Number').'</th>'. |
'<th>'.&mt('Foil Number').'</th>'. |
'<th>'.&mt('Concept').'</th>'. |
'<th>'.&mt('Foil Name').'</th>'. |
'<th>'.&mt('Foil Number').'</th>'. |
'<th>'.&mt('Foil Text').'</th>'. |
'<th>'.&mt('Foil Name').'</th>'. |
'<th>'.&mt('Correct Value').'</th>'. |
'<th>'.&mt('Foil Text').'</th>'. |
"</tr>\n"; |
'<th>'.&mt('Correct Value').'</th>'. |
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"</tr>\n"; |
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} else { |
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$table .= '<tr>'. |
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'<th>'.&mt('Foil Number').'</th>'. |
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'<th>'.&mt('Foil Name').'</th>'. |
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'<th>'.&mt('Foil Text').'</th>'. |
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'<th>'.&mt('Correct Value').'</th>'. |
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"</tr>\n"; |
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} |
my $conceptindex = 1; |
my $conceptindex = 1; |
my $foilindex = 1; |
my $foilindex = 1; |
foreach my $concept (@Concepts) { |
foreach my $concept (@Concepts) { |
my @FoilsInConcept = @{$concept->{'foils'}}; |
my @FoilsInConcept = @{$concept->{'foils'}}; |
my $firstfoil = shift(@FoilsInConcept); |
my $firstfoil = shift(@FoilsInConcept); |
$table .= '<tr>'. |
if (@Concepts > 1) { |
'<td>'.$conceptindex.'</td>'. |
$table .= '<tr>'. |
'<td>'.$concept->{'name'}.'</td>'. |
'<td>'.$conceptindex.'</td>'. |
'<td>'.$foilindex++.'</td>'. |
'<td>'.$concept->{'name'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
'<td>'.$foilindex++.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
"</tr>\n"; |
'<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
foreach my $foilid (@FoilsInConcept) { |
"</tr>\n"; |
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} else { |
$table .= '<tr>'. |
$table .= '<tr>'. |
'<td></td>'. |
'<td>'.$foilindex++.'</td>'. |
'<td></td>'. |
'<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
'<td>'.$foilindex.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
'<td>'.$Foildata{$foilid}->{'name'}.'</td>'. |
'<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'value'}.'</td>'. |
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"</tr>\n"; |
"</tr>\n"; |
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} |
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foreach my $foilid (@FoilsInConcept) { |
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if (@Concepts > 1) { |
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$table .= '<tr>'. |
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'<td></td>'. |
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'<td></td>'. |
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'<td>'.$foilindex.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'name'}.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'value'}.'</td>'. |
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"</tr>\n"; |
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} else { |
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$table .= '<tr>'. |
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'<td>'.$foilindex.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'name'}.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'text'}.'</td>'. |
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'<td>'.$Foildata{$foilid}->{'value'}.'</td>'. |
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"</tr>\n"; |
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} |
} continue { |
} continue { |
$foilindex++; |
$foilindex++; |
} |
} |
Line 221 sub build_foil_index {
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Line 254 sub build_foil_index {
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$conceptindex++; |
$conceptindex++; |
} |
} |
$table .= "</table>\n"; |
$table .= "</table>\n"; |
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# |
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# Build option index with color stuff |
return ($table,\@Foils,\@Concepts); |
return ($table,\@Foils,\@Concepts); |
} |
} |
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sub build_option_index { |
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my ($ORdata)= @_; |
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my $table = "<table>\n"; |
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my $optionindex = 0; |
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my @Rows; |
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foreach my $option ('correct',@{$ORdata->{'Options'}}) { |
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push (@Rows, |
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'<tr>'. |
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'<td bgcolor="'.$plotcolors->[$optionindex++].'">'. |
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(' 'x4).'</td>'. |
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'<td>'.$option.'</td>'. |
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"</tr>\n"); |
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} |
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$table .= join('',reverse(@Rows)); |
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$table .= "</table>\n"; |
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} |
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######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
Line 235 sub tries_analysis {
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Line 287 sub tries_analysis {
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my ($PerformanceData,$ORdata) = @_; |
my ($PerformanceData,$ORdata) = @_; |
my $mintries = 1; |
my $mintries = 1; |
my $maxtries = $ENV{'form.NumPlots'}; |
my $maxtries = $ENV{'form.NumPlots'}; |
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my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
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if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { |
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$table = '<h3>'. |
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&mt('Not enough data for concept analysis. '. |
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'Performing Foil Analysis'). |
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'</h3>'.$table; |
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$ENV{'form.AnalyzeAs'} = 'Foils'; |
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} |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
$mintries,$maxtries); |
$mintries,$maxtries); |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
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# |
# |
# Compute the data neccessary to make the plots |
# Compute the data neccessary to make the plots |
my @PlotData; |
my @PlotData; # Array which holds the data for each plot |
my $xlabel; |
# @{$PlotData[$try]->{'datasetname'}} holds the data for |
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# try $try with respect to 'datasetname'. The array is |
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# filled either with per-foil or per-concept data. |
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my ($extrakey,$xlabel,$ylabel); |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
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$extrakey = &build_option_index($ORdata); |
$xlabel = 'Foil Number'; |
$xlabel = 'Foil Number'; |
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$ylabel = 'Option Chosen'; |
foreach my $foilid (@$Foils) { |
foreach my $foilid (@$Foils) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
# |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
# Gather the per-attempt data |
push(@{$PlotData[$i]->{'_total'}}, |
my $percent; |
$ResponseData{$foilid}->[$i]->{'_total'}); |
if ($ResponseData{$foilid}->[$i]->{'total'} == 0) { |
if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
$percent = 0; |
push (@{$PlotData[$i]->{$option}},0); |
} else { |
} else { |
$percent = $ResponseData{$foilid}->[$i]->{'correct'} / |
push (@{$PlotData[$i]->{$option}}, |
$ResponseData{$foilid}->[$i]->{'total'}; |
100 * $ResponseData{$foilid}->[$i]->{$option} / |
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$ResponseData{$foilid}->[$i]->{'_total'}); |
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} |
} |
} |
push (@{$PlotData[$i]->{'total'}}, |
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$ResponseData{$foilid}->[$i]->{'total'}); |
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push (@{$PlotData[$i]->{'good'}},100 * $percent); |
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push (@{$PlotData[$i]->{'bad'}}, 100 *(1-$percent)); |
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} |
} |
} |
} |
} else { |
} else { |
# Concept analysis |
# Concept analysis |
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# |
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# Note: we do not bother with characterizing the students incorrect |
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# answers at the concept level because an incorrect answer for one foil |
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# may be a correct answer for another foil. |
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$extrakey = ''; |
$xlabel = 'Concept Number'; |
$xlabel = 'Concept Number'; |
foreach my $concept (@$Concepts) { |
$ylabel = 'Percent Correct'; |
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my %ConceptData; |
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foreach my $concept (@{$Concepts}) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
# |
# |
# Gather the per-attempt data |
# Gather the per-attempt data |
my ($correct,$incorrect,$total); |
my $cdata = $ConceptData{$concept}->[$i]; |
foreach my $foil (@{$concept->{'foils'}}) { |
foreach my $foilid (@{$concept->{'foils'}}) { |
$correct += $ResponseData{$foil}->[$i]->{'correct'}; |
$cdata->{'_correct'} += |
$incorrect += $ResponseData{$foil}->[$i]->{'incorrect'}; |
$ResponseData{$foilid}->[$i]->{'_correct'}; |
$total += $ResponseData{$foil}->[$i]->{'total'}; |
$cdata->{'_total'} += |
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$ResponseData{$foilid}->[$i]->{'_total'}; |
} |
} |
push (@{$PlotData[$i]->{'correct'}}, $correct); |
push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
push (@{$PlotData[$i]->{'incorrect'}},$incorrect); |
if ($cdata->{'_total'} == 0) { |
push (@{$PlotData[$i]->{'total'}}, $total); |
push (@{$PlotData[$i]->{'_correct'}},0); |
my $percent; |
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if ($total == 0) { |
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$percent = 0; |
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} else { |
} else { |
$percent = $correct/$total; |
push (@{$PlotData[$i]->{'_correct'}}, |
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100*$cdata->{'_correct'}/$cdata->{'_total'}); |
} |
} |
push (@{$PlotData[$i]->{'good'}},100*$percent); |
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push (@{$PlotData[$i]->{'bad'}},100*(1-$percent)); |
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} |
} |
} |
} |
} |
} # End of work to fill @PlotData |
# |
# |
# Build a table for the plots |
# Build a table for the plots |
$table .= "<table>\n"; |
$table .= "<table>\n"; |
my @Plots; |
my @Plots; |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $minstu = $PlotData[$i]->{'total'}->[0]; |
my $minstu = $PlotData[$i]->{'_total'}->[0]; |
my $maxstu = $PlotData[$i]->{'total'}->[0]; |
my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
foreach my $count (@{$PlotData[$i]->{'total'}}) { |
foreach my $count (@{$PlotData[$i]->{'_total'}}) { |
if ($minstu > $count) { |
if ($minstu > $count) { |
$minstu = $count; |
$minstu = $count; |
} |
} |
Line 303 sub tries_analysis {
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Line 369 sub tries_analysis {
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$maxstu = $count; |
$maxstu = $count; |
} |
} |
} |
} |
$maxstu = 0 if (! $maxstu); |
$maxstu = 0 if (! defined($maxstu)); |
$minstu = 0 if (! $minstu); |
$minstu = 0 if (! defined($minstu)); |
my $title; |
my $title; |
if ($maxstu == $minstu) { |
if ($maxstu == $minstu) { |
$title = 'Attempt '.$i.', '.$maxstu.' students'; |
$title = 'Attempt '.$i.', '.$maxstu.' students'; |
} else { |
} else { |
$title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
$title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
} |
} |
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my @Datasets; |
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foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
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next if (! exists($PlotData[$i]->{$option})); |
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push(@Datasets,$PlotData[$i]->{$option}); |
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} |
my $graphlink = &Apache::loncommon::DrawGraph($title, |
my $graphlink = &Apache::loncommon::DrawGraph($title, |
$xlabel, |
$xlabel, |
'Percent Correct', |
$ylabel, |
100, |
100, |
$PlotData[$i]->{'good'}, |
$plotcolors, |
$PlotData[$i]->{'bad'}); |
@Datasets); |
push(@Plots,$graphlink); |
push(@Plots,$graphlink); |
} |
} |
# |
# |
# Should this be something the user can set? Too many dialogs! |
# Should this be something the user can set? Too many dialogs! |
my $plots_per_row = 2; |
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while (my $plotlink = shift(@Plots)) { |
while (my $plotlink = shift(@Plots)) { |
$table .= '<tr><td>'.$plotlink.'</td>'; |
$table .= '<tr><td>'.$plotlink.'</td><td>'.$extrakey."</td></tr>\n"; |
for (my $i=1;$i<$plots_per_row;$i++) { |
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if ($plotlink = shift(@Plots)) { |
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$table .= '<td>'.$plotlink.'</td>'; |
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} else { |
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$table .= '<td></td>'; |
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} |
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} |
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$table .= "</tr>\n"; |
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} |
} |
$table .= "</table>\n"; |
$table .= "</table>\n"; |
return ($table); |
return ($table); |
Line 345 sub analyze_option_data_by_tries {
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Line 407 sub analyze_option_data_by_tries {
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foreach my $row (@$PerformanceData) { |
foreach my $row (@$PerformanceData) { |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my ($grading,$submission,$time,$tries) = @$row; |
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next if ($grading eq 'MISSING_ANSWER'); |
my @Foilgrades = split('&',$grading); |
my @Foilgrades = split('&',$grading); |
my @Foilsubs = split('&',$submission); |
my @Foilsubs = split('&',$submission); |
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
if ($tries == $numtries) { |
if ($tries == $numtries) { |
foreach my $foilgrade (@Foilgrades) { |
for (my $i=0;$i<=$#Foilgrades;$i++) { |
my ($foilid,$correct) = split('=',$foilgrade); |
my ($foilid,$correct) = split('=',$Foilgrades[$i]); |
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my (undef,$submission) = split('=',$Foilsubs[$i]); |
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$submission = &HTML::Entities::decode($submission); |
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$submission =~ s/\%20/ /g; |
if ($correct) { |
if ($correct) { |
$Trydata{$foilid}->[$numtries]->{'correct'}++; |
$Trydata{$foilid}->[$numtries]->{'_correct'}++; |
} else { |
} else { |
$Trydata{$foilid}->[$numtries]->{'incorrect'}++; |
$Trydata{$foilid}->[$numtries]->{$submission}++; |
} |
} |
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$Trydata{$foilid}->[$numtries]->{'_total'}++; |
} |
} |
} |
} |
} |
} |
} |
} |
foreach my $foilid (keys(%Trydata)) { |
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foreach my $tryhash (@{$Trydata{$foilid}}) { |
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next if ((! exists($tryhash->{'correct'}) && |
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! exists($tryhash->{'incorrect'})) || |
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($tryhash->{'correct'} < 1 && |
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$tryhash->{'incorrect'} < 1)); |
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$tryhash->{'total'} = $tryhash->{'correct'} + |
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$tryhash->{'incorrect'}; |
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} |
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} |
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return %Trydata; |
return %Trydata; |
} |
} |
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Line 386 sub time_analysis {
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Line 443 sub time_analysis {
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my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
my $num_data = scalar(@$PerformanceData)-1; |
my $num_data = scalar(@$PerformanceData)-1; |
my $percent = sprintf('%2f',100/$num_plots); |
my $percent = sprintf('%2f',100/$num_plots); |
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my $extratable = ''; |
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if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
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$extratable = &build_option_index($ORdata); |
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} |
$table .= "<table>\n"; |
$table .= "<table>\n"; |
for (my $i=0;$i<$num_plots;$i++) { |
for (my $i=0;$i<$num_plots;$i++) { |
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
Line 416 sub time_analysis {
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Line 477 sub time_analysis {
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($plothtml,$starttime,$endtime,$data) = |
($plothtml,$starttime,$endtime,$data) = |
&analyze_option_data_by_time($PerformanceData, |
&analyze_option_data_by_time($PerformanceData, |
$begin_index,$end_index, |
$begin_index,$end_index, |
$plottitle, |
$plottitle,$Foils, |
@$Concepts); |
$Concepts,$ORdata); |
my $startdateform = &Apache::lonhtmlcommon::date_setter |
my $startdateform = &Apache::lonhtmlcommon::date_setter |
('Statistics','startdate_'.$i,$starttime); |
('Statistics','startdate_'.$i,$starttime); |
my $enddateform = &Apache::lonhtmlcommon::date_setter |
my $enddateform = &Apache::lonhtmlcommon::date_setter |
Line 427 sub time_analysis {
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Line 488 sub time_analysis {
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"<b>End Time</b> : "." ".$enddateform."<br />". |
"<b>End Time</b> : "." ".$enddateform."<br />". |
'<b>Plot Title</b> :'.(" "x3). |
'<b>Plot Title</b> :'.(" "x3). |
'<input type="text" size="30" name="plottitle_'.$i.'" value="'. |
'<input type="text" size="30" name="plottitle_'.$i.'" value="'. |
&HTML::Entities::encode($plottitle).'" /><br />'. |
&HTML::Entities::encode($plottitle).'" /><br />'.$extratable. |
"</td></tr>\n"; |
"</td></tr>\n"; |
} |
} |
$table .="</table>\n"; |
$table .="</table>\n"; |
Line 435 sub time_analysis {
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Line 496 sub time_analysis {
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} |
} |
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sub analyze_option_data_by_time { |
sub analyze_option_data_by_time { |
my ($PerformanceData,$begin_index,$end_index,$description,@Concepts) = @_; |
my ($PerformanceData,$begin_index, |
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$end_index,$description,$Foils,$Concepts,$ORdata) = @_; |
my %TimeData; |
my %TimeData; |
# |
# |
# Get the start and end times for this segment of the plot |
# Get the start and end times for this segment of the plot |
Line 447 sub analyze_option_data_by_time {
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Line 509 sub analyze_option_data_by_time {
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my $row = $PerformanceData->[$i]; |
my $row = $PerformanceData->[$i]; |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my ($grading,$submission,$time,$tries) = @$row; |
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next if ($grading eq 'MISSING_ANSWER'); |
my @Foilgrades = split('&',$grading); |
my @Foilgrades = split('&',$grading); |
my @Foilsubs = split('&',$submission); |
my @Foilsubs = split('&',$submission); |
foreach my $foilgrade (@Foilgrades) { |
for (my $j=0;$j<=$#Foilgrades;$j++) { |
my ($foilid,$correct) = split('=',$foilgrade); |
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
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my (undef,$submission) = split('=',$Foilsubs[$j]); |
if ($correct) { |
if ($correct) { |
$TimeData{$foilid}->{'correct'}++; |
$TimeData{$foilid}->{'_correct'}++; |
} else { |
} else { |
$TimeData{$foilid}->{'incorrect'}++; |
$submission = &HTML::Entities::decode($submission); |
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$submission =~ s/\%20/ /g; |
|
$TimeData{$foilid}->{$submission}++; |
} |
} |
|
$TimeData{$foilid}->{'_total'}++; |
} |
} |
} |
} |
# |
# |
# Compute the total and percent correct |
# Compute the total and percent correct |
my @Plotdata1; |
my @Plotdata; |
my @Plotdata2; |
my ($xlabel,$ylabel); |
foreach my $concept (@Concepts) { |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
my ($correct,$incorrect,$total); |
$xlabel = 'Foil Number'; |
foreach my $foilid (@{$concept->{'foils'}}) { |
$ylabel = 'Option Chosen'; |
if (! exists($TimeData{$foilid}->{'correct'})) { |
foreach my $foil (@$Foils) { |
$TimeData{$foilid}->{'correct'} = 0; |
my $total = $TimeData{$foil}->{'_total'}; |
} |
my $optionidx = 0; |
if (! exists($TimeData{$foilid}->{'incorrect'})) { |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
$incorrect = 0; |
if ($total > 0) { |
$TimeData{$foilid}->{'incorrect'} = 0; |
push(@{$Plotdata[$optionidx]}, |
} |
100 * $TimeData{$foil}->{$option} / $total); |
$correct += $TimeData{$foilid}->{'correct'}; |
} else { |
$incorrect += $TimeData{$foilid}->{'incorrect'}; |
push(@{$Plotdata[$optionidx]},0); |
$total += $TimeData{$foilid}->{'correct'}+ |
} |
$TimeData{$foilid}->{'incorrect'}; |
} continue { |
$TimeData{$foilid}->{'total'} = $TimeData{$foilid}->{'correct'} + |
$optionidx++; |
$TimeData{$foilid}->{'incorrect'}; |
|
my $percent; |
|
if ($TimeData{$foilid}->{'total'} == 0) { |
|
$percent = 0; |
|
} else { |
|
$percent = $TimeData{$foilid}->{'correct'} / |
|
$TimeData{$foilid}->{'total'}; |
|
} |
|
$TimeData{$foilid}->{'percent_corr'} = 100 * $percent; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
push (@Plotdata1, $TimeData{$foilid}->{'percent_corr'}); |
|
push (@Plotdata2,100-$TimeData{$foilid}->{'percent_corr'}); |
|
} |
} |
} |
} |
if ($ENV{'form.AnalyzeAs'} ne 'Foils') { |
} else { |
if ($total == 0) { |
$xlabel = 'Concept Number'; |
push (@Plotdata1,0); |
$ylabel = 'Percent Correct'; |
push (@Plotdata2,100); |
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 { |
} else { |
push (@Plotdata1,100 * $correct / $total); |
push(@{$Plotdata[0]},0); |
push (@Plotdata2,100 * (1-$correct / $total)); |
|
} |
} |
} |
} |
} |
} |
# |
# |
# Create the plot |
# Create the plot |
my $xlabel; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$xlabel = 'Foil Number'; |
|
} else { |
|
$xlabel = 'Concept Number'; |
|
} |
|
my $graphlink = &Apache::loncommon::DrawGraph |
my $graphlink = &Apache::loncommon::DrawGraph |
($description,#'Time Interval Analysis', |
($description,#'Time Interval Analysis', |
$xlabel, |
$xlabel, |
'Percent Correct / Incorrect', |
$ylabel, |
100, |
100, |
\@Plotdata1,\@Plotdata2); |
$plotcolors, |
|
@Plotdata); |
# |
# |
return ($graphlink,$starttime,$endtime,\%TimeData); |
return ($graphlink,$starttime,$endtime,\%TimeData); |
} |
} |
Line 690 sub get_resource_from_symb {
|
Line 747 sub get_resource_from_symb {
|
return undef; |
return undef; |
} |
} |
|
|
|
## |
|
## get problem data and put it into a useful data structure. |
|
## note: we must force each foil and option to not begin or end with |
|
## spaces as they are stored without such data. |
|
## |
sub get_problem_data { |
sub get_problem_data { |
my ($url) = @_; |
my ($url) = @_; |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
Line 703 sub get_problem_data {
|
Line 765 sub get_problem_data {
|
$key =~ s/^$part\.//; |
$key =~ s/^$part\.//; |
if (ref($value) eq 'ARRAY') { |
if (ref($value) eq 'ARRAY') { |
if ($key eq 'options') { |
if ($key eq 'options') { |
|
for(my $i=0;$i<scalar(@$value);$i++) { |
|
$value->[$i]=~ s/(\s*$|^\s*)//g; |
|
} |
$Partdata{$part}->{'Options'}=$value; |
$Partdata{$part}->{'Options'}=$value; |
} elsif ($key eq 'concepts') { |
} elsif ($key eq 'concepts') { |
$Partdata{$part}->{'Concepts'}=$value; |
$Partdata{$part}->{'Concepts'}=$value; |
} elsif ($key =~ /^concept\.(.*)$/) { |
} elsif ($key =~ /^concept\.(.*)$/) { |
my $concept = $1; |
my $concept = $1; |
foreach my $foil (@$value) { |
foreach my $foil (@$value) { |
|
$foil =~ s/(\s*$|^\s*)//g; |
$Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}= |
$Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}= |
$concept; |
$concept; |
} |
} |
} |
} |
} else { |
} else { |
$value =~ s/^\s*//g; |
$value =~ s/(\s*$|^\s*)//g; |
$value =~ s/\s*$//g; |
|
if ($key=~ /^foil\.text\.(.*)$/) { |
if ($key=~ /^foil\.text\.(.*)$/) { |
my $foil = $1; |
my $foil = $1; |
|
$foil =~ s/(\s*$|^\s*)//g; |
$Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil; |
$Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil; |
$Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value; |
$Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value; |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
my $foil = $1; |
my $foil = $1; |
|
$foil =~ s/(\s*$|^\s*)//g; |
$Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value; |
$Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value; |
} |
} |
} |
} |