version 1.27, 2003/10/08 19:20:47
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version 1.42, 2003/10/17 22:05:45
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Line 34 use Apache::lonhtmlcommon();
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Line 34 use Apache::lonhtmlcommon();
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use Apache::loncoursedata(); |
use Apache::loncoursedata(); |
use Apache::lonstatistics; |
use Apache::lonstatistics; |
use Apache::lonlocal; |
use Apache::lonlocal; |
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use HTML::Entities(); |
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use Time::Local(); |
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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>'); |
$r->print(&CreateInterface()); |
$r->print(&CreateInterface()); |
if (exists($ENV{'form.problemchoice'})) { |
# |
$r->print('<hr />'); |
my @Students = @Apache::lonstatistics::Students; |
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# |
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if (exists($ENV{'form.ClearCache'}) || |
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exists($ENV{'form.updatecaches'}) || |
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(exists($ENV{'form.firstanalysis'}) && |
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$ENV{'form.firstanalysis'} ne 'no')) { |
&Apache::lonstatistics::Gather_Full_Student_Data($r); |
&Apache::lonstatistics::Gather_Full_Student_Data($r); |
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} |
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if (! exists($ENV{'form.firstanalysis'})) { |
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$r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
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} else { |
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$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
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} |
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$r->rflush(); |
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if (exists($ENV{'form.problemchoice'}) && |
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! exists($ENV{'form.SelectAnother'})) { |
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$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
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&mt('Analyze Problem Again').'" />'); |
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$r->print(' 'x5); |
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$r->print('<input type="submit" name="ClearCache" value="'. |
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&mt('Clear Caches').'" />'); |
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$r->print(' 'x5); |
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$r->print('<input type="submit" name="updatecaches" value="'. |
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&mt('Update Student Data').'" />'); |
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$r->print(' 'x5); |
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$r->print('<input type="hidden" name="problemchoice" value="'. |
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$ENV{'form.problemchoice'}.'" />'); |
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$r->print('<input type="submit" name="SelectAnother" value="'. |
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&mt('Choose a different resource').'" />'); |
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$r->print(' 'x5); |
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# |
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$r->print('<hr />'); |
# |
# |
my ($symb,$part,$resid) = &get_problem_symb( |
my ($symb,$part,$resid) = &get_problem_symb( |
&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
); |
); |
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# |
my $resource = &get_resource_from_symb($symb); |
my $resource = &get_resource_from_symb($symb); |
if (defined($resource)) { |
if (defined($resource)) { |
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$r->print('<h3>'.$resource->{'src'}.'</h3>'); |
my %Data = &get_problem_data($resource->{'src'}); |
my %Data = &get_problem_data($resource->{'src'}); |
my $ORdata = $Data{$part.'.'.$resid}; |
my $ORdata = $Data{$part.'.'.$resid}; |
## |
## |
Line 57 sub BuildProblemAnalysisPage {
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Line 96 sub BuildProblemAnalysisPage {
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$base = "http://".$ENV{'SERVER_NAME'}.$base; |
$base = "http://".$ENV{'SERVER_NAME'}.$base; |
my $rendered_problem = |
my $rendered_problem = |
&Apache::lonnet::ssi_body($resource->{'src'}); |
&Apache::lonnet::ssi_body($resource->{'src'}); |
$rendered_problem =~ s/<form /<nop /g; |
$rendered_problem =~ s/<\s*form\s*/<nop /g; |
$rendered_problem =~ s/<\s*\/form\s>/<\/nop>/g; |
$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
$r->print('<table bgcolor="ffffff"><tr><td>'. |
$r->print('<table bgcolor="ffffff"><tr><td>'. |
'<base href="'.$base.'" />'. |
'<base href="'.$base.'" />'. |
$rendered_problem. |
$rendered_problem. |
Line 67 sub BuildProblemAnalysisPage {
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Line 106 sub BuildProblemAnalysisPage {
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## Analyze the problem |
## Analyze the problem |
my $PerformanceData = |
my $PerformanceData = |
&Apache::loncoursedata::get_optionresponse_data |
&Apache::loncoursedata::get_optionresponse_data |
(undef,$symb,$resid); |
(\@Students,$symb,$resid); |
if (defined($PerformanceData) && |
if (defined($PerformanceData) && |
ref($PerformanceData) eq 'ARRAY') { |
ref($PerformanceData) eq 'ARRAY') { |
my $analysis_html = &DoTriesAnalysis($PerformanceData,$ORdata); |
if ($ENV{'form.AnalyzeOver'} eq 'Tries') { |
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my $analysis_html = &tries_analysis($PerformanceData, |
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$ORdata); |
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$r->print($analysis_html); |
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} elsif ($ENV{'form.AnalyzeOver'} eq 'Time') { |
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my $analysis_html = &time_analysis($PerformanceData, |
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$ORdata); |
$r->print($analysis_html); |
$r->print($analysis_html); |
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} else { |
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$r->print('<h2>'. |
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&mt('The analysis you have selected is '. |
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'not supported at this time'). |
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'</h2>'); |
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} |
} else { |
} else { |
$r->print('<h2>'. |
$r->print('<h2>'. |
&mt('There is no student data for this problem.'). |
&mt('There is no student data for this problem.'). |
Line 82 sub BuildProblemAnalysisPage {
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Line 133 sub BuildProblemAnalysisPage {
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} |
} |
$r->print('<hr />'); |
$r->print('<hr />'); |
} else { |
} else { |
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$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
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&mt('Analyze Problem').'" />'); |
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$r->print(' 'x5); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
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$r->print(&OptionResponseProblemSelector()); |
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} |
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} |
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######################################################### |
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######################################################### |
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## |
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## Misc interface routines use by analysis code |
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## |
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######################################################### |
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######################################################### |
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sub build_foil_index { |
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my ($ORdata) = @_; |
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return if (! exists($ORdata->{'Foils'})); |
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my %Foildata = %{$ORdata->{'Foils'}}; |
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my @Foils = sort(keys(%Foildata)); |
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my %Concepts; |
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foreach my $foilid (@Foils) { |
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push(@{$Concepts{$Foildata{$foilid}->{'Concept'}}}, |
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$foilid); |
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} |
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undef(@Foils); |
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# Having gathered the concept information in a hash, we now translate it |
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# into an array because we need to be consistent about order. |
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# Also put the foils in order, too. |
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my $sortfunction = sub { |
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my %Numbers = (one => 1, |
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two => 2, |
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three => 3, |
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four => 4, |
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five => 5, |
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six => 6, |
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seven => 7, |
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eight => 8, |
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nine => 9, |
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ten => 10,); |
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my $a1 = $a; |
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my $b1 = $b; |
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if (exists($Numbers{lc($a)})) { |
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$a1 = $Numbers{lc($a)}; |
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} |
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if (exists($Numbers{lc($b)})) { |
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$b1 = $Numbers{lc($b)}; |
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} |
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$a1 cmp $b1; |
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}; |
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my @Concepts; |
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foreach my $concept (sort $sortfunction (keys(%Concepts))) { |
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push(@Concepts,{ name => $concept, |
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foils => [@{$Concepts{$concept}}]}); |
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push(@Foils,(@{$Concepts{$concept}})); |
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} |
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# |
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# Build up the table of row labels. |
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my $table = '<table border="1" >'."\n"; |
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if (@Concepts > 1) { |
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$table .= '<tr>'. |
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'<th>'.&mt('Concept Number').'</th>'. |
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'<th>'.&mt('Concept').'</th>'. |
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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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} 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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} |
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my $conceptindex = 1; |
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my $foilindex = 1; |
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foreach my $concept (@Concepts) { |
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my @FoilsInConcept = @{$concept->{'foils'}}; |
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my $firstfoil = shift(@FoilsInConcept); |
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if (@Concepts > 1) { |
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$table .= '<tr>'. |
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'<td>'.$conceptindex.'</td>'. |
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'<td>'.$concept->{'name'}.'</td>'. |
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'<td>'.$foilindex++.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
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"</tr>\n"; |
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} else { |
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$table .= '<tr>'. |
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'<td>'.$foilindex++.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'. |
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'<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'. |
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"</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{$foilid}->{'value'}.'</td>'. |
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"</tr>\n"; |
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} |
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} continue { |
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$foilindex++; |
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} |
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} continue { |
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$conceptindex++; |
} |
} |
# Okay, they asked for data, so make sure we get the latest data. |
$table .= "</table>\n"; |
$r->print(&OptionResponseProblemSelector()); |
# |
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# Build option index with color stuff |
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return ($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 $option (&mt('correct option chosen'),@{$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>'.$option.'</td>'. |
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"</tr>\n"); |
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} |
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shift(@Rows); # Throw away 'correct option chosen' color |
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$table .= join('',reverse(@Rows)); |
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$table .= "</table>\n"; |
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} |
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sub DoTriesAnalysis { |
######################################################### |
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######################################################### |
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## |
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## Tries Analysis |
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## |
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######################################################### |
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######################################################### |
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sub tries_analysis { |
my ($PerformanceData,$ORdata) = @_; |
my ($PerformanceData,$ORdata) = @_; |
my $mintries = 1; |
my $mintries = 1; |
my $maxtries = 3; |
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 @Foils = sort(keys(%ResponseData)); |
my $analysis = ''; |
my %Row_Label; |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
foreach my $foilid (@Foils) { |
$analysis = &Tries_Foil_Analysis($mintries,$maxtries,$Foils, |
my $value = $ORdata->{'Foiltext'}->{$foilid}; |
\%ResponseData,$ORdata); |
# &Apache::lonnet::logthis('row label '.$foilid.' = '.$value); |
} else { |
$Row_Label{$foilid} = $ORdata->{'Foiltext'}->{$foilid}; |
$analysis = &Tries_Concept_Analysis($mintries,$maxtries, |
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$Concepts,\%ResponseData,$ORdata); |
} |
} |
my @Rows; |
$table .= $analysis; |
$Rows[0] = ['<td> </td>']; |
return $table; |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
} |
push (@{$Rows[0]}, |
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'<th colspan="3">'.&mt('Attempt').' '.$i.'</th>'); |
sub Tries_Foil_Analysis { |
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my ($mintries,$maxtries,$Foils,$respdat,$ORdata) = @_; |
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my %ResponseData = %$respdat; |
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# |
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# Compute the data neccessary to make the plots |
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my @PlotData; |
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foreach my $foilid (@$Foils) { |
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for (my $i=$mintries;$i<=$maxtries;$i++) { |
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if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
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push(@{$PlotData[$i]->{'_correct'}},0); |
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} else { |
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push(@{$PlotData[$i]->{'_correct'}}, |
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100*$ResponseData{$foilid}->[$i]->{'_correct'}/ |
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$ResponseData{$foilid}->[$i]->{'_total'}); |
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} |
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foreach my $option (@{$ORdata->{'Options'}}) { |
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push(@{$PlotData[$i]->{'_total'}}, |
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$ResponseData{$foilid}->[$i]->{'_total'}); |
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if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
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push (@{$PlotData[$i]->{$option}},0); |
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} else { |
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if ($ResponseData{$foilid}->[$i]->{'_total'} == |
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$ResponseData{$foilid}->[$i]->{'_correct'}) { |
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push(@{$PlotData[$i]->{$option}},0); |
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} else { |
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push (@{$PlotData[$i]->{$option}}, |
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100 * $ResponseData{$foilid}->[$i]->{$option} / |
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($ResponseData{$foilid}->[$i]->{'_total'} - |
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$ResponseData{$foilid}->[$i]->{'_correct'})); |
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} |
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} |
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} |
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} |
} |
} |
$Rows[1] = ['<th>'.&mt('Foil').'</th>']; |
# |
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# Build a table for the plots |
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my $analysis_html = "<table>\n"; |
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my $foilkey = &build_option_index($ORdata); |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
push (@{$Rows[1]},('<th>'.&mt('Correct').'</th>', |
my $count = $ResponseData{'_total'}->[$i]; |
'<th>'.&mt('Incorrect').'</th>', |
if ($count == 0) { |
'<th>'.&mt('Percent Correct').'</th>', |
$count = 'no submissions'; |
)); |
} elsif ($count == 1) { |
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$count = '1 submission'; |
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} else { |
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$count = $count.' submissions'; |
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} |
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my $title = 'Attempt '.$i.', '.$count; |
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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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} |
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my $correctgraph = &Apache::loncommon::DrawGraph |
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($title,'Foil Number','Percent Correct', |
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100,$plotcolors,$Datasets[0]); |
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$analysis_html.= '<tr><td>'.$correctgraph.'</td>'; |
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## |
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## |
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for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) { |
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$Datasets[0]->[$i]=0; |
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} |
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$count = $ResponseData{'_total'}->[$i]-$ResponseData{'_correct'}->[$i]; |
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if ($count == 0) { |
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$count = 'no submissions'; |
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} elsif ($count == 1) { |
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$count = '1 submission'; |
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} else { |
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$count = $count.' submissions'; |
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} |
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$title = 'Attempt '.$i.', '.$count; |
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my $incorrectgraph = &Apache::loncommon::DrawGraph |
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($title,'Foil Number','% Option Chosen Incorrectly', |
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100,$plotcolors,@Datasets); |
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$analysis_html.= '<td>'.$incorrectgraph.'</td>'; |
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$analysis_html.= '<td>'.$foilkey."<td></tr>\n"; |
} |
} |
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$analysis_html .= "</table>\n"; |
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return $analysis_html; |
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} |
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sub Tries_Concept_Analysis { |
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my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_; |
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my %ResponseData = %$respdat; |
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my $analysis_html = "<table>\n"; |
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# |
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# Compute the data neccessary to make the plots |
my @PlotData; |
my @PlotData; |
my @CumulativePlotData; |
# Concept analysis |
my $index = 1; |
# |
foreach my $foilid (@Foils) { |
# Note: we do not bother with characterizing the students incorrect |
my @Data = ('<td>'.$index.' '.$Row_Label{$foilid}.'</td>'); |
# 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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my %ConceptData; |
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foreach my $concept (@{$Concepts}) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
push(@Data, |
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('<td>'.$ResponseData{$foilid}->[$i]->{'correct'}.'</td>', |
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'<td>'.$ResponseData{$foilid}->[$i]->{'incorrect'}. |
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'</td>', |
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'<td>'. |
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sprintf("%4.2f", |
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$ResponseData{$foilid}->[$i]->{'percent_corr'}). |
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'</td>')); |
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# |
# |
# Gather the per-attempt data |
# Gather the per-attempt data |
push (@{$PlotData[$i]->{'good'}}, |
my $cdata = $ConceptData{$concept}->[$i]; |
$ResponseData{$foilid}->[$i]->{'percent_corr'}); |
foreach my $foilid (@{$concept->{'foils'}}) { |
push (@{$PlotData[$i]->{'bad'}}, |
$cdata->{'_correct'} += |
100-$ResponseData{$foilid}->[$i]->{'percent_corr'}); |
$ResponseData{$foilid}->[$i]->{'_correct'}; |
} |
$cdata->{'_total'} += |
for (my $i=0;$i<=$maxtries;$i++) { |
$ResponseData{$foilid}->[$i]->{'_total'}; |
push (@{$CumulativePlotData[$i]->{'good'}}, |
} |
$CumulativePlotData[-1]->{'good'}+ |
push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
$ResponseData{$foilid}->[$i]->{'correct'}); |
if ($cdata->{'_total'} == 0) { |
push (@{$CumulativePlotData[$i]->{'bad'}}, |
push (@{$PlotData[$i]->{'_correct'}},0); |
$CumulativePlotData[-1]->{'bad'}+ |
} else { |
$ResponseData{$foilid}->[$i]->{'incorrect'}); |
push (@{$PlotData[$i]->{'_correct'}}, |
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100*$cdata->{'_correct'}/$cdata->{'_total'}); |
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} |
} |
} |
push(@Rows,\@Data); |
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} continue { |
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$index++; |
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} |
} |
my @Data = ('<td></td>'); |
# Build a table for the plots |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $minstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; |
my $minstu = $PlotData[$i]->{'_total'}->[0]; |
my $maxstu = $ResponseData{$Foils[0]}->[$i]->{'total'}; |
my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
foreach my $foilid (@Foils) { |
foreach my $count (@{$PlotData[$i]->{'_total'}}) { |
if ($minstu > $ResponseData{$foilid}->[$i]->{'total'}) { |
if ($minstu > $count) { |
$minstu = $ResponseData{$foilid}->[$i]->{'total'}; |
$minstu = $count; |
} |
} |
if ($maxstu < $ResponseData{$foilid}->[$i]->{'total'}) { |
if ($maxstu < $count) { |
$maxstu = $ResponseData{$foilid}->[$i]->{'total'}; |
$maxstu = $count; |
} |
} |
} |
} |
my $graphlink; |
$maxstu = 0 if (! defined($maxstu)); |
if ($maxstu == $minstu) { |
$minstu = 0 if (! defined($minstu)); |
$graphlink = &DrawGraph('Attempt '.$i.', '.$maxstu.' students', |
my $title; |
'Foil Number', |
my $count = $ResponseData{'_total'}->[$i]; |
'Percent Correct', |
if ($count == 0) { |
100, |
$count = 'no submissions'; |
$PlotData[$i]->{'good'}, |
} elsif ($count == 1) { |
$PlotData[$i]->{'bad'}); |
$count = '1 submission'; |
} else { |
} else { |
$graphlink = &DrawGraph('Attempt '.$i.', '.$minstu.'-'.$maxstu. |
$count = $count.' submissions'; |
' students', |
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'Foil Number', |
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'Percent Correct', |
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100, |
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$PlotData[$i]->{'good'}, |
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$PlotData[$i]->{'bad'}); |
|
} |
} |
push(@Data,'<td colspan="3">'.$graphlink.'</td>'); |
$title = 'Attempt '.$i.', '.$count; |
} |
my $graphlink = &Apache::loncommon::DrawGraph |
push (@Rows,\@Data); |
($title,'Concept Number','Percent Correct', |
my $table = '<table border="1" >'."\n"; |
100,$plotcolors,$PlotData[$i]->{'_correct'}); |
for (my $i=0; $i <=$#Rows;$i++) { |
$analysis_html.= '<tr><td>'.$graphlink."</td></tr>\n"; |
$table .= '<tr>'.join('',@{$Rows[$i]})."</tr>\n"; |
|
} |
} |
$table .= '</table>'; |
$analysis_html .= "</table>\n"; |
return ($table); |
return $analysis_html; |
} |
} |
|
|
sub analyze_option_data_by_tries { |
sub analyze_option_data_by_tries { |
Line 195 sub analyze_option_data_by_tries {
|
Line 466 sub analyze_option_data_by_tries {
|
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
foreach my $row (@$PerformanceData) { |
foreach my $row (@$PerformanceData) { |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my $tries = &get_tries_from_row($row); |
my @Foilgrades = split('&',$grading); |
my %Row = &Process_Row($row); |
my @Foilsubs = split('&',$submission); |
while (my ($foilid,$href) = each(%Row)) { |
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
if (! ref($href)) { |
if ($tries == $numtries) { |
$Trydata{$foilid}->[$tries] += $href; |
foreach my $foilgrade (@Foilgrades) { |
next; |
my ($foilid,$correct) = split('=',$foilgrade); |
} |
if ($correct) { |
while (my ($option,$value) = each(%$href)) { |
$Trydata{$foilid}->[$numtries]->{'correct'}++; |
$Trydata{$foilid}->[$tries]->{$option}+=$value; |
} else { |
|
$Trydata{$foilid}->[$numtries]->{'incorrect'}++; |
|
} |
|
} |
|
} |
} |
} |
} |
} |
} |
foreach my $foilid (keys(%Trydata)) { |
return %Trydata; |
foreach my $tryhash (@{$Trydata{$foilid}}) { |
} |
next if ((! exists($tryhash->{'correct'}) && |
|
! exists($tryhash->{'incorrect'})) || |
######################################################### |
($tryhash->{'correct'} < 1 && |
######################################################### |
$tryhash->{'incorrect'} < 1)); |
## |
$tryhash->{'total'} = $tryhash->{'correct'} + |
## Time Analysis |
$tryhash->{'incorrect'}; |
## |
$tryhash->{'percent_corr'} = 100 * |
######################################################### |
($tryhash->{'correct'} / |
######################################################### |
($tryhash->{'correct'} + $tryhash->{'incorrect'}) |
sub time_analysis { |
); |
my ($PerformanceData,$ORdata) = @_; |
|
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { |
|
$table = '<h3>'. |
|
&mt('Not enough data for concept analysis. '. |
|
'Performing Foil Analysis'). |
|
'</h3>'.$table; |
|
$ENV{'form.AnalyzeAs'} = 'Foils'; |
|
} |
|
my $num_plots = $ENV{'form.NumPlots'}; |
|
my $num_data = scalar(@$PerformanceData)-1; |
|
my $percent = sprintf('%2f',100/$num_plots); |
|
# |
|
$table .= "<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); |
|
if (! defined($starttime) || ! defined($endtime)) { |
|
my $sec_in_day = 86400; |
|
my $last_sub_time = &get_time_from_row($PerformanceData->[-1]); |
|
my ($sday,$smon,$syear); |
|
(undef,undef,undef,$sday,$smon,$syear) = |
|
localtime($last_sub_time - $sec_in_day*$i); |
|
$starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); |
|
$endtime = $starttime + $sec_in_day; |
|
if ($i == ($num_plots -1 )) { |
|
$starttime = &get_time_from_row($PerformanceData->[0]); |
|
} |
|
} |
|
my $startdateform = &Apache::lonhtmlcommon::date_setter |
|
('Statistics','startdate_'.$i,$starttime); |
|
my $enddateform = &Apache::lonhtmlcommon::date_setter |
|
('Statistics','enddate_'.$i,$endtime); |
|
# |
|
my $begin_index; |
|
my $end_index; |
|
my $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if (&get_time_from_row($PerformanceData->[$j]) > $starttime); |
|
} |
|
$begin_index = $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if (&get_time_from_row($PerformanceData->[$j]) > $endtime); |
|
} |
|
$end_index = $j; |
|
## |
|
my $interval = { |
|
begin_index => $begin_index, |
|
end_index => $end_index, |
|
startdateform => $startdateform, |
|
enddateform => $enddateform, |
|
}; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$table .= &Foil_Time_Analysis($PerformanceData,$ORdata,$Foils, |
|
$interval); |
|
} else { |
|
$table .= &Concept_Time_Analysis($PerformanceData,$ORdata, |
|
$Concepts,$interval); |
} |
} |
} |
} |
return %Trydata; |
# |
|
return $table; |
} |
} |
|
|
sub DrawGraph { |
sub Foil_Time_Analysis { |
my ($title,$xlabel,$ylabel,$MaxY,$values1,$values2)=@_; |
my ($PerformanceData,$ORdata,$Foils,$interval) = @_; |
if (! defined($values1) || ref($values1) ne 'ARRAY') { |
my $analysis_html; |
return ''; |
my $foilkey = &build_option_index($ORdata); |
} |
my ($begin_index,$end_index) = ($interval->{'begin_index'}, |
$title = '' if (! defined($title)); |
$interval->{'end_index'}); |
$xlabel = '' if (! defined($xlabel)); |
my %TimeData; |
$ylabel = '' if (! defined($ylabel)); |
# |
$title = &Apache::lonnet::escape($title); |
# Compute the number getting the foils correct or incorrects |
$xlabel = &Apache::lonnet::escape($xlabel); |
for (my $j=$begin_index;$j<=$end_index;$j++) { |
$ylabel = &Apache::lonnet::escape($ylabel); |
my $row = $PerformanceData->[$j]; |
# |
next if (! defined($row)); |
my $sendValues1 = join(',', @$values1); |
my %Row = &Process_Row($row); |
my $sendValues2; |
while (my ($foilid,$href) = each(%Row)) { |
if (defined($values2)) { |
if (! ref($href)) { |
$sendValues2 = join(',', @$values2); |
$TimeData{$foilid} += $href; |
} |
next; |
|
} |
my $sendCount = scalar(@$values1); |
while (my ($option,$value) = each(%$href)) { |
$MaxY =1 if ($MaxY < 1); |
$TimeData{$foilid}->{$option}+=$value; |
if ( int($MaxY) < $MaxY ) { |
} |
$MaxY++; |
} |
$MaxY = int($MaxY); |
} |
} |
my @Plotdata; |
my @GData = ($title,$xlabel,$ylabel,$MaxY,$sendCount,$sendValues1); |
foreach my $foil (@$Foils) { |
if (defined($sendValues2)) { |
my $total = $TimeData{$foil}->{'_total'}; |
push (@GData,$sendValues2); |
if ($total == 0) { |
|
push(@{$Plotdata[0]},0); |
|
} else { |
|
push(@{$Plotdata[0]}, |
|
100 * $TimeData{$foil}->{'_correct'} / $total); |
|
} |
|
my $total_incorrect = $total - $TimeData{$foil}->{'_correct'}; |
|
my $optionidx = 1; |
|
foreach my $option (@{$ORdata->{'Options'}}) { |
|
if ($total_incorrect == 0) { |
|
push(@{$Plotdata[$optionidx]},0); |
|
} else { |
|
push(@{$Plotdata[$optionidx]}, |
|
100 * $TimeData{$foil}->{$option} / $total_incorrect); |
|
} |
|
} continue { |
|
$optionidx++; |
|
} |
|
} |
|
# |
|
# Create the plot |
|
my $count = $end_index-$begin_index; |
|
my $title; |
|
if ($count == 0) { |
|
$title = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$title = 'one submission'; |
|
} else { |
|
$title = $count.' submissions'; |
} |
} |
return '<IMG src="/cgi-bin/graph.png?'. |
my $correctplot = &Apache::loncommon::DrawGraph($title, |
(join('&', @GData)).'" border="1" />'; |
'Foil Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
$Plotdata[0]); |
|
for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) { |
|
$Plotdata[0]->[$j]=0; |
|
} |
|
$count = $end_index-$begin_index-$TimeData{'_correct'}; |
|
if ($count == 0) { |
|
$title = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$title = 'one submission'; |
|
} else { |
|
$title = $count.' submissions'; |
|
} |
|
my $incorrectplot = &Apache::loncommon::DrawGraph($title, |
|
'Foil Number', |
|
'Incorrect Option Choice', |
|
100, |
|
$plotcolors, |
|
@Plotdata); |
|
$analysis_html.='<tr>'. |
|
'<td>'.$correctplot.'</td>'. |
|
'<td>'.$incorrectplot.'</td>'. |
|
'<td align="left" valign="top">'.$foilkey.'</td>'."</tr>\n"; |
|
$analysis_html.= '<tr>'.'<td colspan="3">'. |
|
'<b>Start Time</b>:'. |
|
' '.$interval->{'startdateform'}.'<br />'. |
|
'<b>End Time</b> : '. |
|
' '.$interval->{'enddateform'}.'<br />'. |
|
# '<b>Plot Title</b> :'. |
|
# (" "x3).$interval->{'titleform'}. |
|
'</td>'. |
|
"</tr>\n"; |
|
return $analysis_html; |
} |
} |
|
|
|
sub Concept_Time_Analysis { |
|
my ($PerformanceData,$ORdata,$Concepts,$interval) = @_; |
|
my $analysis_html; |
|
## |
|
## Determine starttime, endtime, startindex, endindex |
|
my ($begin_index,$end_index) = ($interval->{'begin_index'}, |
|
$interval->{'end_index'}); |
|
my %TimeData; |
|
# |
|
# Compute the number getting the foils correct or incorrects |
|
for (my $j=$begin_index;$j<=$end_index;$j++) { |
|
my $row = $PerformanceData->[$j]; |
|
next if (! defined($row)); |
|
my %Row = &Process_Row($row); |
|
while (my ($foilid,$href) = each(%Row)) { |
|
if (! ref($href)) { |
|
$TimeData{$foilid} += $href; |
|
next; |
|
} |
|
while (my ($option,$value) = each(%$href)) { |
|
$TimeData{$foilid}->{$option}+=$value; |
|
} |
|
} |
|
} |
|
# |
|
# Put the data in plottable form |
|
my @Plotdata; |
|
foreach my $concept (@$Concepts) { |
|
my ($total,$correct); |
|
foreach my $foil (@{$concept->{'foils'}}) { |
|
$total += $TimeData{$foil}->{'_total'}; |
|
$correct += $TimeData{$foil}->{'_correct'}; |
|
} |
|
if ($total == 0) { |
|
push(@Plotdata,0); |
|
} else { |
|
push(@Plotdata,100 * $correct / $total); |
|
} |
|
} |
|
# |
|
# Create the plot |
|
my $title = ($end_index - $begin_index).' submissions'; |
|
my $correctplot = &Apache::loncommon::DrawGraph($title, |
|
'Concept Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
\@Plotdata); |
|
$analysis_html.='<tr>'. |
|
'<td>'.$correctplot.'</td>'. |
|
'<td align="left" valign="top">'. |
|
'<b>Start Time</b>: '.$interval->{'startdateform'}.'<br />'. |
|
'<b>End Time</b> : '. |
|
' '.$interval->{'enddateform'}.'<br />'. |
|
# '<b>Plot Title</b> :'.(" "x3). |
|
# $interval->{'titleform'}. |
|
'</td>'. |
|
"</tr>\n"; |
|
return $analysis_html; |
|
} |
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Excel output |
|
## |
|
######################################################### |
|
######################################################### |
|
sub prepare_excel_sheet { |
|
my ($PerformanceData,$ORdata) = @_; |
|
my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
} |
|
|
sub get_problem_symb { |
sub process_data_for_excel_sheet { |
my $problemstring = shift(); |
my ($PerformanceData,$Foils,$Concepts,$ORdata)=@_; |
my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
|
return ($symb,$partid,$resid); |
|
} |
} |
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Interface |
|
## |
|
######################################################### |
|
######################################################### |
sub CreateInterface { |
sub CreateInterface { |
|
## |
|
## Environment variable initialization |
|
if (! exists$ENV{'form.AnalyzeOver'}) { |
|
$ENV{'form.AnalyzeOver'} = 'Tries'; |
|
} |
|
## |
|
## Build the menu |
my $Str = ''; |
my $Str = ''; |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<tr>'; |
$Str .= '<tr>'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
$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('Enrollment Status').'</b></td>'; |
$Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; |
# $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; |
|
$Str .= '<td align="center"> </td>'; |
$Str .= '</tr>'."\n"; |
$Str .= '</tr>'."\n"; |
# |
## |
|
## |
$Str .= '<tr><td align="center">'."\n"; |
$Str .= '<tr><td align="center">'."\n"; |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Str .= '</td><td align="center">'; |
$Str .= '</td>'; |
|
# |
|
$Str .= '<td align="center">'; |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= '</td><td align="center">'; |
$Str .= '</td>'; |
|
# |
|
# $Str .= '<td align="center">'; |
my $only_seq_with_assessments = sub { |
my $only_seq_with_assessments = sub { |
my $s=shift; |
my $s=shift; |
if ($s->{'num_assess'} < 1) { |
if ($s->{'num_assess'} < 1) { |
Line 290 sub CreateInterface {
|
Line 770 sub CreateInterface {
|
return 1; |
return 1; |
} |
} |
}; |
}; |
$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
&Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
$only_seq_with_assessments); |
$only_seq_with_assessments); |
$Str .= '</td></tr>'."\n"; |
## |
|
## |
|
$Str .= '<td>'; |
|
{ # These braces are here to organize the code, not scope it. |
|
{ |
|
$Str .= '<nobr>'.&mt('Analyze Over '); |
|
$Str .='<select name="AnalyzeOver" >'; |
|
$Str .= '<option value="Tries" '; |
|
if (! exists($ENV{'form.AnalyzeOver'}) || |
|
$ENV{'form.AnalyzeOver'} eq 'Tries'){ |
|
# Default to Tries |
|
$Str .= ' selected '; |
|
} |
|
$Str .= '>'.&mt('Tries').'</option>'; |
|
$Str .= '<option value="Time" '; |
|
$Str .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'Time'); |
|
$Str .= '>'.&mt('Time').'</option>'; |
|
$Str .= '</select></nobr><br />'; |
|
} |
|
{ |
|
$Str .= '<nobr>'.&mt('Analyze as '); |
|
$Str .='<select name="AnalyzeAs" >'; |
|
$Str .= '<option value="Concepts" '; |
|
if (! exists($ENV{'form.AnalyzeAs'}) || |
|
$ENV{'form.AnalyzeAs'} eq 'Concepts'){ |
|
# Default to Concepts |
|
$Str .= ' selected '; |
|
} |
|
$Str .= '>'.&mt('Concepts').'</option>'; |
|
$Str .= '<option value="Foils" '; |
|
$Str .= ' selected ' if ($ENV{'form.AnalyzeAs'} eq 'Foils'); |
|
$Str .= '>'.&mt('Foils').'</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"; |
$Str .= '</table>'."\n"; |
$Str .= '<input type="submit" name="ProblemAnalysis" value="'. |
return $Str; |
&mt('Analyze Problem').'" />'; |
|
$Str .= ' 'x5; |
|
$Str .= '<input type="submit" name="ClearCache" value="'. |
|
&mt('Clear Caches').'" />'; |
|
$Str .= ' 'x5; |
|
return ($Str); |
|
} |
} |
|
|
sub OptionResponseProblemSelector { |
sub OptionResponseProblemSelector { |
Line 310 sub OptionResponseProblemSelector {
|
Line 837 sub OptionResponseProblemSelector {
|
next if ($seq->{'num_assess'}<1); |
next if ($seq->{'num_assess'}<1); |
my $seq_str = ''; |
my $seq_str = ''; |
foreach my $res (@{$seq->{'contents'}}) { |
foreach my $res (@{$seq->{'contents'}}) { |
# &Apache::lonnet::logthis('checking '.$res->{'title'}); |
|
next if ($res->{'type'} ne 'assessment'); |
next if ($res->{'type'} ne 'assessment'); |
foreach my $part (@{$res->{'parts'}}) { |
foreach my $part (@{$res->{'parts'}}) { |
my $partdata = $res->{'partdata'}->{$part}; |
my $partdata = $res->{'partdata'}->{$part}; |
Line 348 sub OptionResponseProblemSelector {
|
Line 874 sub OptionResponseProblemSelector {
|
return $Str; |
return $Str; |
} |
} |
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Misc functions |
|
## |
|
######################################################### |
|
######################################################### |
|
sub get_problem_symb { |
|
my $problemstring = shift(); |
|
my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
|
return ($symb,$partid,$resid); |
|
} |
|
|
sub get_resource_from_symb { |
sub get_resource_from_symb { |
my ($symb) = @_; |
my ($symb) = @_; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
Line 360 sub get_resource_from_symb {
|
Line 899 sub get_resource_from_symb {
|
return undef; |
return undef; |
} |
} |
|
|
|
sub get_time_from_row { |
|
my ($row) = @_; |
|
if (ref($row)) { |
|
return $row->[3]; |
|
} |
|
return undef; |
|
} |
|
|
|
sub get_tries_from_row { |
|
my ($row) = @_; |
|
if (ref($row)) { |
|
return $row->[4]; |
|
} |
|
return undef; |
|
} |
|
|
|
sub Process_Row { |
|
my ($row) = @_; |
|
my %RowData; |
|
my ($award,$grading,$submission,$time,$tries) = @$row; |
|
next if ($award eq 'MISSING_ANSWER'); |
|
if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { |
|
$RowData{'_correct'} = 1; |
|
} |
|
$RowData{'_total'} = 1; |
|
my @Foilgrades = split('&',$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) { |
|
$RowData{$foilid}->{'_correct'}++; |
|
} else { |
|
$submission = &Apache::lonnet::unescape($submission); |
|
$submission =~ s/\%20/ /g; |
|
$RowData{$foilid}->{$submission}++; |
|
} |
|
$RowData{$foilid}->{'_total'}++; |
|
} |
|
return %RowData; |
|
} |
|
|
|
## |
|
## 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. |
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## |
sub get_problem_data { |
sub get_problem_data { |
my ($url) = @_; |
my ($url) = @_; |
# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze', |
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# 'grade_username' => $sname, |
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# 'grade_domain' => $sdom, |
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# 'grade_courseid' => $cid, |
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# 'grade_symb' => $symb)); |
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my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
my %Answer; |
my %Answer; |
%Answer=&Apache::lonnet::str2hash($Answ); |
%Answer=&Apache::lonnet::str2hash($Answ); |
# &Apache::lonnet::logthis('keys of %Answer = '.join(', ',(keys(%Answer)))); |
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# &Apache::lonnet::logthis('$Answer{parts} = '. |
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# join(', ',@{$Answer{'parts'}})); |
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my %Partdata; |
my %Partdata; |
foreach my $part (@{$Answer{'parts'}}) { |
foreach my $part (@{$Answer{'parts'}}) { |
while (my($key,$value) = each(%Answer)) { |
while (my($key,$value) = each(%Answer)) { |
Line 387 sub get_problem_data {
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Line 965 sub get_problem_data {
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} elsif ($key =~ /^concept\.(.*)$/) { |
} elsif ($key =~ /^concept\.(.*)$/) { |
my $concept = $1; |
my $concept = $1; |
foreach my $foil (@$value) { |
foreach my $foil (@$value) { |
$Partdata{$part}->{$foil}->{'Concept'}=$concept; |
$Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}= |
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$concept; |
} |
} |
} |
} |
# &Apache::lonnet::logthis($part.' '.$key.' (array) = '. |
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# join(', ',@$value)); |
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} else { |
} else { |
$value =~ s/^\s*//g; |
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$value =~ s/\s*$//g; |
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if ($key=~ /^foil\.text\.(.*)$/) { |
if ($key=~ /^foil\.text\.(.*)$/) { |
my $foil = $1; |
my $foil = $1; |
$Partdata{$part}->{'Foiltext'}->{$foil}=$value; |
$Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil; |
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$Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value; |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
my $foil = $1; |
my $foil = $1; |
$Partdata{$part}->{'FoilValues'}->{$foil}=$value; |
$Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value; |
} |
} |
# &Apache::lonnet::logthis($part.' '.$key.' = '.$value); |
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} |
} |
} |
} |
} |
} |
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# my $parts=''; |
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# foreach my $elm (@{$Answer{"parts"}}) { |
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# $parts.="$elm,"; |
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# } |
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# chop($parts); |
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# my $conc=''; |
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# foreach my $elm (@{$Answer{"$parts.concepts"}}) { |
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# $conc.="$elm@"; |
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# } |
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# chop($conc); |
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# |
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# @Concepts=split(/\@/,$conc); |
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# foreach my $concept (@{$Answer{"$parts.concepts"}}) { |
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# foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) { |
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# $foil_to_concept{$foil} = $concept; |
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# #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; |
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# } |
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# } |
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# return $symb; |
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return %Partdata; |
return %Partdata; |
} |
} |
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