version 1.12, 2002/11/22 03:56:05
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version 1.41, 2003/10/16 15:24:49
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
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# $Id$ |
# $Id$ |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
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# YEAR=2002 |
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# 5/12,7/26,9/7,11/22 Behrouz Minaei |
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# |
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### |
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package Apache::lonproblemanalysis; |
package Apache::lonproblemanalysis; |
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use Apache::loncommon(); |
use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
use GDBM_File; |
use Apache::loncoursedata(); |
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use Apache::lonstatistics; |
my $jr; |
use Apache::lonlocal; |
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use HTML::Entities(); |
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my $plotcolors = ['#33ff00', |
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'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
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'#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', |
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]; |
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sub BuildProblemAnalysisPage { |
sub BuildProblemAnalysisPage { |
my ($cacheDB, $r)=@_; |
my ($r,$c)=@_; |
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$r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>'); |
my %cache; |
$r->print(&CreateInterface()); |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
# |
$r->print('Unable to tie database.'); |
my @Students = @Apache::lonstatistics::Students; |
return; |
# |
} |
if (exists($ENV{'form.ClearCache'}) || |
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exists($ENV{'form.updatecaches'}) || |
my $Ptr = ''; |
(exists($ENV{'form.firstanalysis'}) && |
$Ptr .= '<table border="0"><tbody>'; |
$ENV{'form.firstanalysis'} ne 'no')) { |
$Ptr .= '<tr><td align="right"><b>Select Sections</b>'; |
&Apache::lonstatistics::Gather_Full_Student_Data($r); |
$Ptr .= '</td>'."\n"; |
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$Ptr .= '<td align="left">'."\n"; |
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my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
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my @sections = split(':',$cache{'sectionList'}); |
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$Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, |
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\@sectionsSelected, |
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'Statistics'); |
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$Ptr .= '</td></tr>'."\n"; |
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$Ptr .= '<tr><td align="right"><b>Intervals</b></td>'."\n"; |
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$Ptr .= '<td align="left">'; |
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$Ptr .= &IntervalOptions($cache{'Interval'}); |
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$Ptr .= '</td></tr></table><br>'; |
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$r->print($Ptr); |
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$r->rflush(); |
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$r->print(&OptionResponseTable($cache{'OptionResponses'}, \%cache, $r)); |
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untie(%cache); |
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return; |
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} |
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sub BuildAnalyzePage { |
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my ($cacheDB, $students, $courseID,$r)=@_; |
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$jr = $r; |
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my $c = $r->connection; |
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my $Str = '</form>'; |
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my %cache; |
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unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
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$Str .= 'Unable to tie database.'; |
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$r->print($Str); |
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return; |
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} |
} |
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if (! exists($ENV{'form.firstanalysis'})) { |
# Remove students who don't have the proper section. |
$r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
} else { |
for(my $studentIndex=((scalar @$students)-1); $studentIndex>=0; |
$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
$studentIndex--) { |
} |
my $value = $cache{$students->[$studentIndex].':section'}; |
$r->rflush(); |
my $found = 0; |
if (exists($ENV{'form.problemchoice'}) && |
foreach (@sectionsSelected) { |
! exists($ENV{'form.SelectAnother'})) { |
if($_ eq 'none') { |
$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
if($value eq '' || !defined($value) || $value eq ' ') { |
&mt('Analyze Problem Again').'" />'); |
$found = 1; |
$r->print(' 'x5); |
last; |
$r->print('<input type="submit" name="ClearCache" value="'. |
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&mt('Clear Caches').'" />'); |
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$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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$r->print('<hr />'); |
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# |
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my ($symb,$part,$resid) = &get_problem_symb( |
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&Apache::lonnet::unescape($ENV{'form.problemchoice'}) |
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); |
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# |
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my $resource = &get_resource_from_symb($symb); |
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if (defined($resource)) { |
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$r->print('<h3>'.$resource->{'src'}.'</h3>'); |
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my %Data = &get_problem_data($resource->{'src'}); |
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my $ORdata = $Data{$part.'.'.$resid}; |
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## |
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## Render the problem |
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my $base; |
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($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|); |
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$base = "http://".$ENV{'SERVER_NAME'}.$base; |
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my $rendered_problem = |
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&Apache::lonnet::ssi_body($resource->{'src'}); |
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$rendered_problem =~ s/<\s*form\s*/<nop /g; |
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$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
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$r->print('<table bgcolor="ffffff"><tr><td>'. |
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'<base href="'.$base.'" />'. |
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$rendered_problem. |
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'</td></tr></table>'); |
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## |
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## Analyze the problem |
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my $PerformanceData = |
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&Apache::loncoursedata::get_optionresponse_data |
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(\@Students,$symb,$resid); |
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if (defined($PerformanceData) && |
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ref($PerformanceData) eq 'ARRAY') { |
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if ($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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$ORdata); |
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$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>'); |
} |
} |
} else { |
} else { |
if($value eq $_) { |
$r->print('<h2>'. |
$found = 1; |
&mt('There is no student data for this problem.'). |
last; |
'</h2>'); |
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} |
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} else { |
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$r->print('resource is undefined'); |
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} |
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$r->print('<hr />'); |
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} else { |
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$r->print('<input type="submit" name="ProblemAnalysis" value="'. |
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&mt('Analyze Problem').'" />'); |
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$r->print(' 'x5); |
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$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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$conceptindex++; |
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} |
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$table .= "</table>\n"; |
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# |
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# Build option index with color stuff |
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return ($table,\@Foils,\@Concepts); |
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} |
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sub build_option_index { |
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my ($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>'.$option.'</td>'. |
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"</tr>\n"); |
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} |
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$table .= join('',reverse(@Rows)); |
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$table .= "</table>\n"; |
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} |
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######################################################### |
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######################################################### |
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## |
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## Tries Analysis |
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## |
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######################################################### |
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######################################################### |
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sub tries_analysis { |
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my ($PerformanceData,$ORdata) = @_; |
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my $mintries = 1; |
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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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} |
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my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
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$mintries,$maxtries); |
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# |
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# Compute the data neccessary to make the plots |
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my @PlotData; # Array which holds the data for each plot |
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# @{$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); |
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if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
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$extrakey = &build_option_index($ORdata); |
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$xlabel = 'Foil Number'; |
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$ylabel = 'Percent Choosing Option'; |
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foreach my $foilid (@$Foils) { |
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for (my $i=$mintries;$i<=$maxtries;$i++) { |
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foreach my $option ('_correct',@{$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]->{$option}},0); |
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} else { |
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push (@{$PlotData[$i]->{$option}}, |
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100 * $ResponseData{$foilid}->[$i]->{$option} / |
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$ResponseData{$foilid}->[$i]->{'_total'}); |
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} |
} |
} |
} |
} |
} |
} |
if($found == 0) { |
} else { |
splice(@$students, $studentIndex, 1); |
# Concept analysis |
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# |
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# Note: we do not bother with characterizing the students incorrect |
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# answers at the concept level because an incorrect answer for one foil |
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# may be a correct answer for another foil. |
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$extrakey = ''; |
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$xlabel = 'Concept Number'; |
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$ylabel = 'Percent Correct'; |
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my %ConceptData; |
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foreach my $concept (@{$Concepts}) { |
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for (my $i=$mintries;$i<=$maxtries;$i++) { |
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# |
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# Gather the per-attempt data |
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my $cdata = $ConceptData{$concept}->[$i]; |
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foreach my $foilid (@{$concept->{'foils'}}) { |
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$cdata->{'_correct'} += |
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$ResponseData{$foilid}->[$i]->{'_correct'}; |
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$cdata->{'_total'} += |
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$ResponseData{$foilid}->[$i]->{'_total'}; |
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} |
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push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
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if ($cdata->{'_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*$cdata->{'_correct'}/$cdata->{'_total'}); |
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} |
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} |
} |
} |
} |
} # End of work to fill @PlotData |
unless(untie(%cache)) { |
# |
$r->print('Can not untie hash.'); |
# Build a table for the plots |
$r->rflush(); |
$table .= "<table>\n"; |
} |
my @Plots; |
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for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $error = |
my $minstu = $PlotData[$i]->{'_total'}->[0]; |
&Apache::loncoursedata::DownloadStudentCourseDataSeparate($students, |
my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
'true', |
foreach my $count (@{$PlotData[$i]->{'_total'}}) { |
$cacheDB, |
if ($minstu > $count) { |
'true', |
$minstu = $count; |
'true', |
} |
$courseID, |
if ($maxstu < $count) { |
$r, $c); |
$maxstu = $count; |
if($error ne 'OK') { |
} |
$r->print($error.'<br>Error downloading course data<br>'); |
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return; |
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} |
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unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
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$Str .= 'Unable to tie database.'; |
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$r->print($Str); |
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return; |
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} |
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my ($problemId, $part, $responseId)=split(':',$cache{'AnalyzeInfo'}); |
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my $uri = $cache{$problemId.':source'}; |
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my $problem = $cache{$problemId.':problem'}; |
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my $title = $cache{$problemId.':title'}; |
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my $interval = $cache{'Interval'}; |
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my %ConceptData; |
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$ConceptData{"Interval"} = $interval; |
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#Initialize the option response true answers |
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my ($analyzeData) = &InitAnalysis($uri, $part, $responseId, $problem, |
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$students->[0], $courseID); |
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if(defined($analyzeData->{'error'})) { |
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$Str .= $analyzeData->{'error'}.'<br>Incorrect part requested.<br>'; |
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$r->print($Str); |
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return; |
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} |
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$r->print($Str); |
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$Str = ''; |
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if($c->aborted()) { untie(%cache); return; } |
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|
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#compute the intervals |
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&Interval($part, $problem, $interval, $analyzeData->{'concepts'}, |
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\%ConceptData); |
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$title =~ s/\ /"_"/eg; |
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$Str .= '<br><b>'.$uri.'</b>'; |
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$r->print($Str); |
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$Str = ''; |
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if($c->aborted()) { untie(%cache); return; } |
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#Java script Progress window |
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for(my $index=0; $index<(scalar @$students); $index++) { |
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if($c->aborted()) { untie(%cache); return; } |
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&OpStatus($problemId, $students->[$index], \%ConceptData, |
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$analyzeData->{'foil_to_concept'}, $analyzeData, |
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\%cache, $courseID); |
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} |
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$Str .= '<br>'; |
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for (my $k=0; $k<$interval; $k++ ) { |
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if($c->aborted()) { untie(%cache); return $Str; } |
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$Str .= &DrawGraph($k, $title, $analyzeData->{'concepts'}, |
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\%ConceptData); |
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$r->print($Str); |
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$Str = ''; |
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} |
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for (my $k=0; $k<$interval; $k++ ) { |
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if($c->aborted()) { untie(%cache); return $Str; } |
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$Str .= &DrawTable($k, $analyzeData->{'concepts'}, \%ConceptData); |
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$r->print($Str); |
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$Str = ''; |
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} |
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my $Answ=&Apache::lonnet::ssi($uri); |
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$Str .= '<br><b>Here you can see the Problem:</b><br>'.$Answ; |
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$Str .= '<form>'; |
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$r->print($Str); |
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untie(%cache); |
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return; |
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} |
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|
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#---- Problem Analysis Web Page ---------------------------------------------- |
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sub IntervalOptions { |
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my ($selectedInterval)=@_; |
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my $interval = 1; |
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for(my $n=1; $n<=7; $n++) { |
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if($selectedInterval == $n) { |
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$interval = $n; |
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} |
} |
} |
$maxstu = 0 if (! defined($maxstu)); |
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$minstu = 0 if (! defined($minstu)); |
my $Ptr = '<select name="Interval">'."\n"; |
my $title; |
for(my $n=1; $n<=7;$ n++) { |
if ($maxstu == $minstu) { |
$Ptr .= '<option'; |
$title = 'Attempt '.$i.', '.$maxstu.' students'; |
if($interval == $n) { |
} else { |
$Ptr .= ' selected'; |
$title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
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} |
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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 $graphlink = &Apache::loncommon::DrawGraph($title, |
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$xlabel, |
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$ylabel, |
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100, |
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$plotcolors, |
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@Datasets); |
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push(@Plots,$graphlink); |
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} |
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# |
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# Should this be something the user can set? Too many dialogs! |
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while (my $plotlink = shift(@Plots)) { |
|
$table .= '<tr><td>'.$plotlink.'</td><td>'.$extrakey."</td></tr>\n"; |
|
} |
|
$table .= "</table>\n"; |
|
return ($table); |
|
} |
|
|
|
sub analyze_option_data_by_tries { |
|
my ($PerformanceData,$mintries,$maxtries) = @_; |
|
my %Trydata; |
|
$mintries = 1 if (! defined($mintries) || $mintries < 1); |
|
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
|
foreach my $row (@$PerformanceData) { |
|
next if (! defined($row)); |
|
my ($grading,$submission,$time,$tries) = @$row; |
|
next if ($grading eq 'MISSING_ANSWER'); |
|
my @Foilgrades = split('&',$grading); |
|
my @Foilsubs = split('&',$submission); |
|
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
|
if ($tries == $numtries) { |
|
for (my $i=0;$i<=$#Foilgrades;$i++) { |
|
my ($foilid,$correct) = split('=',$Foilgrades[$i]); |
|
my (undef,$submission) = split('=',$Foilsubs[$i]); |
|
$submission = &Apache::lonnet::unescape($submission); |
|
if ($correct) { |
|
$Trydata{$foilid}->[$numtries]->{'_correct'}++; |
|
} else { |
|
$Trydata{$foilid}->[$numtries]->{$submission}++; |
|
} |
|
$Trydata{$foilid}->[$numtries]->{'_total'}++; |
|
} |
|
} |
} |
} |
$Ptr .= '>'.$n."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
return %Trydata; |
|
|
return $Ptr; |
|
} |
} |
|
|
sub OptionResponseTable { |
######################################################### |
my ($optionResponses,$cache,$r)=@_; |
######################################################### |
|
## |
my @optionResponses=split(':::', $optionResponses); |
## Time Analysis |
my %partCount; |
## |
my %sequences; |
######################################################### |
my @orderedSequences=(); |
######################################################### |
foreach(@optionResponses) { |
sub time_analysis { |
my ($sequence, $problemId, $part, undef)=split(':',$_); |
my ($PerformanceData,$ORdata) = @_; |
$partCount{$problemId.':'.$part}++; |
my $num_plots = $ENV{'form.NumPlots'}; |
if(!defined($sequences{$sequence})) { |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
push(@orderedSequences, $sequence); |
my $num_data = scalar(@$PerformanceData)-1; |
$sequences{$sequence} = $_; |
my $percent = sprintf('%2f',100/$num_plots); |
|
my $extratable = ''; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$extratable = &build_option_index($ORdata); |
|
} |
|
$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); |
|
my ($begin_index,$end_index,$plottitle,$plothtml,$data); |
|
if (! defined($starttime) || ! defined($endtime)) { |
|
$begin_index = $i*int($num_data/$num_plots); |
|
$end_index = ($i+1)*int($num_data/$num_plots); |
|
my $lownum = sprintf('%2.1f',$i*$percent); |
|
$lownum =~ s/(\.0)$//; |
|
my $highnum = sprintf('%2.1f',($i+1)*$percent); |
|
$highnum =~ s/(\.0)$//; |
|
$plottitle = $lownum.'% to '.$highnum.'% of submissions'; |
} else { |
} else { |
$sequences{$sequence} .= ':::'.$_; |
my $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if ($PerformanceData->[$j]->[2] > $starttime); |
|
} |
|
$begin_index = $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if ($PerformanceData->[$j]->[2] > $endtime); |
|
} |
|
$end_index = $j; |
|
$plottitle = $ENV{'form.plottitle_'.$i}; |
} |
} |
} |
($plothtml,$starttime,$endtime,$data) = |
|
&analyze_option_data_by_time($PerformanceData, |
my $Str = ''; |
$begin_index,$end_index, |
|
$plottitle,$Foils, |
foreach my $sequence (@orderedSequences) { |
$Concepts,$ORdata); |
my @optionProblems = split(':::', $sequences{$sequence}); |
my $startdateform = &Apache::lonhtmlcommon::date_setter |
|
('Statistics','startdate_'.$i,$starttime); |
$Str .= '<b>'.$cache->{$sequence.':title'}.'</b>'."\n"; |
my $enddateform = &Apache::lonhtmlcommon::date_setter |
$Str .= "<table border=2><tr><th> \# </th><th> Problem Title </th>"; |
('Statistics','enddate_'.$i,$endtime); |
$Str .= '<th> Resource </th><th> Analysis </th></tr>'."\n"; |
$table.="<tr><td>".$plothtml.'</td><td align="left" valign="top">'. |
|
"<b>Start Time</b>: ".$startdateform."<br />". |
my $count = 1; |
"<b>End Time</b> : "." ".$enddateform."<br />". |
foreach(@optionProblems) { |
'<b>Plot Title</b> :'.(" "x3). |
my (undef, $problemId, $part, $response)= |
'<input type="text" size="30" name="plottitle_'.$i.'" value="'. |
split(':',$optionProblems[$count-1]); |
&HTML::Entities::encode($plottitle).'" /><br />'.$extratable. |
# split(':',$sequences{$sequence}); |
"</td></tr>\n"; |
my $uri = $cache->{$problemId.':source'}; |
} |
my $title = $cache->{$problemId.':title'}; |
$table .="</table>\n"; |
|
return $table; |
my $Temp = '<a href="'.$uri.'" target="_blank">'.$title.'</a>'; |
} |
$Str .= '<tr>'; |
|
$Str .= '<td> '.$count.' </td>'; |
sub analyze_option_data_by_time { |
$Str .= '<td bgcolor="#DDFFDD">'.$Temp.'</td>'; |
my ($PerformanceData,$begin_index, |
$Str .= '<td bgcolor="#EEFFCC">'.$uri.'</td>'; |
$end_index,$description,$Foils,$Concepts,$ORdata) = @_; |
if($partCount{$problemId.':'.$part} < 2) { |
my %TimeData; |
$Str .= '<td><input type="submit" name="Analyze:::'; |
# |
$Str .= $problemId.':'.$part.'" value="'; |
# Get the start and end times for this segment of the plot |
$Str .= 'Part '.$part; |
my $starttime = $PerformanceData->[$begin_index]->[2]; |
$Str .= '" /></td></tr>'."\n"; |
my $endtime = $PerformanceData->[$end_index ]->[2]; |
|
# |
|
# Compute the number getting the foils correct or incorrects |
|
for (my $i=$begin_index;$i<=$end_index;$i++) { |
|
my $row = $PerformanceData->[$i]; |
|
next if (! defined($row)); |
|
my ($grading,$submission,$time,$tries) = @$row; |
|
next if ($grading eq 'MISSING_ANSWER'); |
|
my @Foilgrades = split('&',$grading); |
|
my @Foilsubs = split('&',$submission); |
|
for (my $j=0;$j<=$#Foilgrades;$j++) { |
|
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
|
my (undef,$submission) = split('=',$Foilsubs[$j]); |
|
if ($correct) { |
|
$TimeData{$foilid}->{'_correct'}++; |
} else { |
} else { |
my $value = $problemId.':'.$part.':'.$response; |
$submission = &HTML::Entities::decode($submission); |
$Str .= '<td><input type="submit" name="Analyze:::'.$value; |
$submission =~ s/\%20/ /g; |
$Str .= '" value="'; |
$TimeData{$foilid}->{$submission}++; |
$Str .= 'Part '.$part.' Response '.$response; |
|
$Str .= '" /></td></tr>'."\n"; |
|
} |
} |
$count++; |
$TimeData{$foilid}->{'_total'}++; |
} |
} |
$Str .= '</table><br>'."\n"; |
|
} |
} |
|
# |
return $Str; |
# Compute the total and percent correct |
} |
my @Plotdata; |
|
my ($xlabel,$ylabel); |
#---- END Problem Analysis Web Page ------------------------------------------ |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$xlabel = 'Foil Number'; |
#---- Analyze Web Page ------------------------------------------------------- |
$ylabel = 'Option Chosen'; |
|
foreach my $foil (@$Foils) { |
#restore the student submissions and finding the result |
my $total = $TimeData{$foil}->{'_total'}; |
=pod |
my $optionidx = 0; |
sub OpStatus { |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
my ($problemID, $student, $ConceptData, $foil_to_concept, |
if ($total > 0) { |
$analyzeData, $cache)=@_; |
push(@{$Plotdata[$optionidx]}, |
|
100 * $TimeData{$foil}->{$option} / $total); |
my $ids = $analyzeData->{'parts'}; |
} else { |
|
push(@{$Plotdata[$optionidx]},0); |
my @True = (); |
|
my @False = (); |
|
my $flag=0; |
|
|
|
my $tries=0; |
|
|
|
foreach my $id (@$ids) { |
|
my ($part, $response) = split(/\./, $id); |
|
my $time=$cache->{$student.':'.$problemID.':'.$part.':timestamp'}; |
|
my @submissions = split(':::', $cache->{$student.':'.$problemID.':'. |
|
$part.':'.$response. |
|
':submission'}); |
|
foreach my $Resp (@submissions) { |
|
my %submission=&Apache::lonnet::str2hash($Resp); |
|
foreach (keys(%submission)) { |
|
if($submission{$_}) { |
|
my $answer = $analyzeData->{$id.'.foil.value.'.$_}; |
|
if($submission{$_} eq $answer) { |
|
&Decide("true", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} else { |
|
&Decide("false", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} |
|
} |
} |
|
} continue { |
|
$optionidx++; |
|
} |
|
} |
|
} else { |
|
$xlabel = 'Concept Number'; |
|
$ylabel = 'Percent Correct'; |
|
foreach my $concept (@$Concepts) { |
|
my $correct; |
|
my $total; |
|
foreach my $foil (@{$concept->{'foils'}}) { |
|
$correct+=$TimeData{$foil}->{'_correct'}; |
|
$total +=$TimeData{$foil}->{'_total'}; |
|
} |
|
if ($total > 0) { |
|
push(@{$Plotdata[0]},100 * $correct / $total); |
|
} else { |
|
push(@{$Plotdata[0]},0); |
} |
} |
} |
} |
} |
} |
|
# |
return; |
# Create the plot |
|
my $graphlink = &Apache::loncommon::DrawGraph |
|
($description,#'Time Interval Analysis', |
|
$xlabel, |
|
$ylabel, |
|
100, |
|
$plotcolors, |
|
@Plotdata); |
|
# |
|
return ($graphlink,$starttime,$endtime,\%TimeData); |
|
} |
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Interface |
|
## |
|
######################################################### |
|
######################################################### |
|
sub CreateInterface { |
|
## |
|
## Environment variable initialization |
|
if (! exists$ENV{'form.AnalyzeOver'}) { |
|
$ENV{'form.AnalyzeOver'} = 'Tries'; |
|
} |
|
## |
|
## Build the menu |
|
my $Str = ''; |
|
$Str .= '<table cellspacing="5">'."\n"; |
|
$Str .= '<tr>'; |
|
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
|
$Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; |
|
# $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; |
|
$Str .= '<td align="center"> </td>'; |
|
$Str .= '</tr>'."\n"; |
|
## |
|
## |
|
$Str .= '<tr><td align="center">'."\n"; |
|
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
|
$Str .= '</td>'; |
|
# |
|
$Str .= '<td align="center">'; |
|
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
|
$Str .= '</td>'; |
|
# |
|
# $Str .= '<td align="center">'; |
|
my $only_seq_with_assessments = sub { |
|
my $s=shift; |
|
if ($s->{'num_assess'} < 1) { |
|
return 0; |
|
} else { |
|
return 1; |
|
} |
|
}; |
|
&Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
|
$only_seq_with_assessments); |
|
## |
|
## |
|
$Str .= '<td>'; |
|
{ # 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"; |
|
$Str .= '</table>'."\n"; |
|
return ($Str); |
} |
} |
=cut |
|
|
|
sub OpStatus { |
sub OptionResponseProblemSelector { |
my ($problemID, $student, $ConceptData, $foil_to_concept, |
my $Str; |
$analyzeData, $cache, $courseID)=@_; |
$Str = "\n<table>\n"; |
|
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
my $ids = $analyzeData->{'parts'}; |
next if ($seq->{'num_assess'}<1); |
my ($uname,$udom)=split(/\:/,$student); |
my $seq_str = ''; |
my $symb = $cache->{$problemID.':problem'}; |
foreach my $res (@{$seq->{'contents'}}) { |
|
next if ($res->{'type'} ne 'assessment'); |
my @True = (); |
foreach my $part (@{$res->{'parts'}}) { |
my @False = (); |
my $partdata = $res->{'partdata'}->{$part}; |
my $flag=0; |
if (! exists($partdata->{'option'}) || |
my $tries=0; |
$partdata->{'option'} == 0) { |
|
next; |
# $jr->print("<br> ID= $problemID <br> student= $student<br> prob= $symb<br>"); |
} |
|
for (my $i=0;$i<scalar(@{$partdata->{'ResponseTypes'}});$i++){ |
foreach my $id (@$ids) { |
my $respid = $partdata->{'ResponseIds'}->[$i]; |
my ($part, $response) = split(/\./, $id); |
my $resptype = $partdata->{'ResponseTypes'}->[$i]; |
#=pod |
if ($resptype eq 'option') { |
my %reshash=&Apache::lonnet::restore($symb,$courseID,$udom,$uname); |
my $value = &Apache::lonnet::escape($res->{'symb'}.':'.$part.':'.$respid); |
if ($reshash{'version'}) { |
my $checked = ''; |
my $tries=0; |
if ($ENV{'form.problemchoice'} eq $value) { |
#&Apache::lonhomework::showhash(%$analyzeData); |
$checked = 'checked '; |
for (my $version=1;$version<=$reshash{'version'};$version++) { |
} |
my $time=$reshash{"$version:timestamp"}; |
$seq_str .= '<tr><td>'. |
|
'<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. |
foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) { |
'</td><td>'. |
if (($key=~/\.(\w+)\.(\w+)\.submission$/)) { |
'<a href="'.$res->{'src'}.'">'.$res->{'title'}.'</a> '; |
my $Id1 = $1; my $Id2 = $2; |
if ($partdata->{'option'} > 1) { |
#check if this is a repeat submission, if so skip it |
$seq_str .= &mt('response').' '.$respid; |
if ($reshash{"$version:resource.$Id1.previous"}) { next; } |
} |
#if no solved this wasn't a real submission, ignore it |
$seq_str .= "</td></tr>\n"; |
if (!defined($reshash{"$version:resource.$Id1.solved"})) { |
|
&Apache::lonxml::debug("skipping "); |
|
next; |
|
} |
|
my $Resp = $reshash{"$version:$key"}; |
|
my %submission=&Apache::lonnet::str2hash($Resp); |
|
foreach (keys %submission) { |
|
my $Ansr = $analyzeData->{"$Id1.$Id2.foil.value.$_"}; |
|
if($submission{$_} eq $Ansr) { |
|
&Decide("true", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} else { |
|
&Decide("false", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
#=cut |
|
=pod |
|
my $time=$cache->{$student.':'.$problemID.':'.$part.':timestamp'}; |
|
my @submissions = split(':::', $cache->{$student.':'.$problemID.':'. |
|
$part.':'.$response. |
|
':submission'}); |
|
foreach my $Resp (@submissions) { |
|
my %submission=&Apache::lonnet::str2hash($Resp); |
|
foreach (keys(%submission)) { |
|
if($submission{$_}) { |
|
my $answer = $analyzeData->{$id.'.foil.value.'.$_}; |
|
if($submission{$_} eq $answer) { |
|
&Decide("true", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} else { |
|
&Decide("false", $foil_to_concept->{$_}, |
|
$time, $ConceptData); |
|
} |
} |
} |
} |
} |
} |
} |
} |
=cut |
if ($seq_str ne '') { |
|
$Str .= '<tr><td> </td><td><b>'.$seq->{'title'}.'</b></td>'. |
|
"</tr>\n".$seq_str; |
|
} |
} |
} |
|
$Str .= "</table>\n"; |
return; |
return $Str; |
} |
} |
|
|
=pod |
######################################################### |
sub OpStatus { |
######################################################### |
my ($rid,$student,$ConceptData,$foil_to_concept,$analyzeData,$cache)=@_; |
## |
my ($uname,$udom)=split(/\:/,$student); |
## Misc functions |
my $code='U'; |
## |
$rid=~/(\d+)\.(\d+)/; |
######################################################### |
my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'. |
######################################################### |
&Apache::lonnet::declutter($hash{'src_'.$rid}); |
sub get_problem_symb { |
my %reshash=&Apache::lonnet::restore($symb,$cid,$udom,$uname); |
my $problemstring = shift(); |
my @True = (); |
my ($symb,$partid,$resid) = ($problemstring=~ /^(.*):([^:]*):([^:]*)$/); |
my @False = (); |
return ($symb,$partid,$resid); |
my $flag=0; |
} |
if ($reshash{'version'}) { |
|
my $tries=0; |
sub get_resource_from_symb { |
&Apache::lonhomework::showhash(%Answer); |
my ($symb) = @_; |
for (my $version=1;$version<=$reshash{'version'};$version++) { |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
my $time=$reshash{"$version:timestamp"}; |
foreach my $res (@{$seq->{'contents'}}) { |
|
if ($res->{'symb'} eq $symb) { |
foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) { |
return $res; |
if (($key=~/\.(\w+)\.(\w+)\.submission$/)) { |
|
my $Id1 = $1; my $Id2 = $2; |
|
#check if this is a repeat submission, if so skip it |
|
if ($reshash{"$version:resource.$Id1.previous"}) { next; } |
|
#if no solved this wasn't a real submission, ignore it |
|
if (!defined($reshash{"$version:resource.$Id1.solved"})) { |
|
&Apache::lonxml::debug("skipping "); |
|
next; |
|
} |
|
my $Resp = $reshash{"$version:$key"}; |
|
my %submission=&Apache::lonnet::str2hash($Resp); |
|
foreach (keys %submission) { |
|
my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"}; |
|
if ($submission{$_}) { |
|
if ($submission{$_} eq $Ansr) { |
|
&Decide("true",$_,$time ); |
|
} |
|
else {&Decide("false",$_,$time );} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
=cut |
|
|
|
sub DrawGraph { |
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my ($k,$Src,$Concepts,$ConceptData)=@_; |
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my $Max=0; |
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my @data1; |
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my @data2; |
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|
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# Adjust Data and find the Max |
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for (my $n=0; $n<(scalar @$Concepts); $n++ ) { |
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my $tmp=$Concepts->[$n]; |
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$data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'}; |
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$data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'}; |
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my $Sum=$data1[$n]+$data2[$n]; |
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if($Max < $Sum) { |
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$Max=$Sum; |
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} |
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} |
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for (my $n=0; $n<(scalar @$Concepts); $n++ ) { |
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if ($data1[$n]+$data2[$n]<$Max) { |
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$data2[$n]+=$Max-($data1[$n]+$data2[$n]); |
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} |
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} |
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my $P_No = (scalar @data1); |
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|
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if($Max > 1) { |
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$Max += (10 - $Max % 10); |
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$Max = int($Max); |
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} else { |
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$Max = 1; |
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} |
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|
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my $Titr=($ConceptData->{'Interval'}>1) ? $Src.'_interval_'.($k+1) : $Src; |
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# $GData=$Titr.'&Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2; |
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my $GData = ''; |
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$GData = $Titr.'&Concepts&Answers&'.$Max.'&'.$P_No.'&'; |
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$GData .= (join(',',@data1)).'&'.(join(',',@data2)); |
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|
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return '<IMG src="/cgi-bin/graph.gif?'.$GData.'" border=1/>'; |
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} |
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|
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sub DrawTable { |
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my ($k,$Concepts,$ConceptData)=@_; |
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my $Max=0; |
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my @data1; |
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my @data2; |
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my $Correct=0; |
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my $Wrong=0; |
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for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
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my $tmp=$Concepts->[$n]; |
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$data1[$n]=$ConceptData->{$tmp.'.'.$k.'.true'}; |
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$Correct+=$data1[$n]; |
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$data2[$n]=$ConceptData->{$tmp.'.'.$k.'.false'}; |
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$Wrong+=$data2[$n]; |
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my $Sum=$data1[$n]+$data2[$n]; |
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if($Max < $Sum) { |
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$Max=$Sum; |
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} |
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} |
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for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
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if ($data1[$n]+$data2[$n]<$Max) { |
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$data2[$n]+=$Max-($data1[$n]+$data2[$n]); |
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} |
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} |
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my $P_No = (scalar @data1); |
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my $Str = ''; |
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# $Str .= '<br><b>From: ['.localtime($ConceptData->{'Int.'.($k-1)}); |
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# $Str .= '] To: ['.localtime($ConceptData->{"Int.$k"}).']</b>'; |
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$Str .= "\n".'<table border=2>'. |
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"\n".'<tr>'. |
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"\n".'<th> # </th>'. |
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"\n".'<th> Concept </th>'. |
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"\n".'<th> Correct </th>'. |
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"\n".'<th> Wrong </th>'. |
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"\n".'</tr>'; |
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|
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for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
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$Str .= '<tr>'."\n"; |
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$Str .= '<td>'.($n+1).'</td>'."\n"; |
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my ($currentConcept) = split('::',$Concepts->[$n]); |
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$Str .= '<td bgcolor="EEFFCC">'.$currentConcept; |
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$Str .= '</td>'."\n"; |
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$Str .= '<td bgcolor="DDFFDD">'.$data1[$n].'</td>'."\n"; |
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$Str .= '<td bgcolor="FFDDDD">'.$data2[$n].'</td>'."\n"; |
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$Str .= '</tr>'."\n"; |
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} |
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$Str .= '<td></td><td><b>From:['.localtime($ConceptData->{'Int.'.$k}); |
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$Str .= '] To: ['.localtime($ConceptData->{'Int.'.($k+1)}-1); |
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$Str .= ']</b></td><td>'.$Correct.'</td><td>'.$Wrong.'</td>'; |
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$Str .= '</table>'."\n"; |
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|
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return $Str; |
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#$Apache::lonxml::debug=1; |
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#&Apache::lonhomework::showhash(%ConceptData); |
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#$Apache::lonxml::debug=0; |
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} |
|
|
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#---- END Analyze Web Page ---------------------------------------------- |
|
|
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sub Decide { |
|
#deciding the true or false answer belongs to each interval |
|
my ($type,$concept,$time,$ConceptData)=@_; |
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my $k=0; |
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while($time > $ConceptData->{'Int.'.($k+1)} && |
|
$k < $ConceptData->{'Interval'}) { |
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$k++; |
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} |
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$ConceptData->{$concept.'.'.$k.'.'.$type}++; |
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|
|
return; |
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} |
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|
|
sub InitAnalysis { |
|
my ($uri,$part,$responseId,$problem,$student,$courseID)=@_; |
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my ($name,$domain)=split(/\:/,$student); |
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|
|
my %analyzeData; |
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# Render the student's view of the problem. $Answ is the problem |
|
# Stringafied |
|
my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze', |
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'grade_username' => $name, |
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'grade_domain' => $domain, |
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'grade_courseid' => $courseID, |
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'grade_symb' => $problem)); |
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my ($Answer)=&Apache::lonnet::str2hashref($Answ); |
|
|
|
my $found = 0; |
|
my @parts=(); |
|
if(defined($responseId)) { |
|
foreach (@{$Answer->{'parts'}}) { |
|
if($_ eq $part.'.'.$responseId) { |
|
push(@parts, $_); |
|
$found = 1; |
|
last; |
|
} |
|
} |
|
} else { |
|
foreach (@{$Answer->{'parts'}}) { |
|
if($_ =~ /$part/) { |
|
push(@parts, $_); |
|
$found = 1; |
|
last; |
|
} |
} |
} |
} |
} |
} |
|
return undef; |
|
} |
|
|
if($found == 0) { |
## |
$analyzeData{'error'} = 'No parts matching selected values'; |
## get problem data and put it into a useful data structure. |
return \%analyzeData; |
## note: we must force each foil and option to not begin or end with |
} |
## spaces as they are stored without such data. |
|
## |
my @Concepts=(); |
sub get_problem_data { |
my %foil_to_concept; |
my ($url) = @_; |
foreach my $currentPart (@parts) { |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); |
if(defined($Answer->{$currentPart.'.concepts'})) { |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
foreach my $concept (@{$Answer->{$currentPart.'.concepts'}}) { |
my %Answer; |
push(@Concepts, $concept); |
%Answer=&Apache::lonnet::str2hash($Answ); |
foreach my $foil (@{$Answer->{$currentPart.'.concept.'. |
my %Partdata; |
$concept}}) { |
foreach my $part (@{$Answer{'parts'}}) { |
$analyzeData{$currentPart.'.foil.value.'.$foil} = |
while (my($key,$value) = each(%Answer)) { |
$Answer->{$currentPart.'.foil.value.'.$foil}; |
next if ($key !~ /^$part/); |
$foil_to_concept{$foil} = $concept; |
$key =~ s/^$part\.//; |
|
if (ref($value) eq 'ARRAY') { |
|
if ($key eq 'options') { |
|
$Partdata{$part}->{'Options'}=$value; |
|
} elsif ($key eq 'concepts') { |
|
$Partdata{$part}->{'Concepts'}=$value; |
|
} elsif ($key =~ /^concept\.(.*)$/) { |
|
my $concept = $1; |
|
foreach my $foil (@$value) { |
|
$Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}= |
|
$concept; |
|
} |
} |
} |
} |
} else { |
} else { |
if ($key=~ /^foil\.text\.(.*)$/) { |
foreach (keys(%$Answer)) { |
my $foil = $1; |
if(/$currentPart.foil\.value\.(.*)$/) { |
$Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil; |
push(@Concepts, $1); |
$Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value; |
$foil_to_concept{$1} = $1; |
} elsif ($key =~ /^foil\.value\.(.*)$/) { |
$analyzeData{$currentPart.'.foil.value.'.$1} = |
my $foil = $1; |
$Answer->{$currentPart.'.foil.value.'.$1}; |
$Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value; |
} |
} |
} |
} |
} |
} |
} |
} |
|
return %Partdata; |
$analyzeData{'parts'} = \@parts; |
|
$analyzeData{'concepts'} = \@Concepts; |
|
$analyzeData{'foil_to_concept'} = \%foil_to_concept; |
|
|
|
return \%analyzeData; |
|
} |
|
|
|
sub Interval { |
|
my ($part,$symb,$interval,$Concepts,$ConceptData)=@_; |
|
my $Int=$interval; |
|
my $due = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb); |
|
my $opn = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb); |
|
my $add=int(($due-$opn)/$Int); |
|
$ConceptData->{'Int.0'}=$opn; |
|
for(my $i=1; $i<$Int; $i++) { |
|
$ConceptData->{'Int.'.$i}=$opn+$i*$add; |
|
} |
|
$ConceptData->{'Int.'.$Int}=$due; |
|
for(my $i=0; $i<$Int; $i++) { |
|
for(my $n=0; $n<(scalar @$Concepts); $n++ ) { |
|
my $tmp=$Concepts->[$n]; |
|
$ConceptData->{$tmp.'.'.$i.'.true'}=0; |
|
$ConceptData->{$tmp.'.'.$i.'.false'}=0; |
|
} |
|
} |
|
} |
} |
|
|
1; |
1; |
|
|
__END__ |
__END__ |