version 1.13, 2002/08/05 20:53:38
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version 1.44, 2003/03/26 17:03:41
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
# (Navigate problems for statistical reports |
# YEAR=2001 |
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# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei |
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# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei |
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# 5/12,5/14,5/15,5/19,5/26,7/16,7/25,7/29,8/5 Behrouz Minaei |
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# |
# |
### |
### |
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package Apache::lonproblemstatistics; |
package Apache::lonproblemstatistics; |
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon; |
use Apache::loncoursedata; |
use Apache::loncoursedata; |
use GDBM_File; |
use Apache::lonstatistics; |
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use Spreadsheet::WriteExcel; |
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####################################################### |
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####################################################### |
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sub BuildProblemStatisticsPage { |
sub CreateInterface { |
my ($cacheDB, $students, $courseID, $c, $r)=@_; |
my $Str = ''; |
my %cache; |
$Str .= '<table cellspacing="5">'."\n"; |
#my %DoDiff; |
$Str .= '<tr>'; |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
$Str .= '<td align="center"><b>Sections</b></td>'; |
return '<html><body>Unable to tie database.</body></html>'; |
$Str .= '<td align="center"><b>Sequences and Folders</b></td>'; |
} |
$Str .= '<td align="center"><b>Output</b></td>'; |
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$Str .= '</tr>'."\n"; |
my $Ptr = ''; |
# |
$Ptr .= '<table border="0"><tbody>'; |
$Str .= '<tr><td align="center">'."\n"; |
$Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n"; |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Ptr .= '<td align="left">'; |
$Str .= '</td><td align="center">'; |
$Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics', |
# |
'Statistics'); |
my $only_seq_with_assessments = sub { |
$Ptr .= '</td></tr>'."\n"; |
my $s=shift; |
$Ptr .= '<tr><td align="right"><b>Sorting Type:</b></td>'."\n"; |
if ($s->{'num_assess'} < 1) { |
$Ptr .= '<td align="left">'."\n"; |
return 0; |
$Ptr .= &Apache::lonhtmlcommon::AscendOrderOptions( |
} else { |
$cache{'ProblemStatisticsAscend'}, |
return 1; |
'ProblemStatistics', |
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'Statistics'); |
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$Ptr .= '</td></tr>'."\n"; |
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$Ptr .= &ProblemStatisticsButtons($cache{'DisplayFormat'}); |
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$Ptr .= '</table>'; |
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$Ptr .= &ProblemStatisticsLegend(); |
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$r->print($Ptr); |
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$r->rflush(); |
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untie(%cache); |
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&Create_PrgWin($r); |
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my $count=0; |
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foreach (@$students) { |
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&Update_PrgWin(scalar(@$students),$count,$_,$r); |
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my $courseData = |
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&Apache::loncoursedata::DownloadCourseInformation($_, $courseID); |
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last if ($c->aborted()); |
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if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) { |
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&Apache::loncoursedata::ProcessStudentData(\%cache, |
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$courseData, $_); |
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untie(%cache); |
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} |
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$count++; |
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} |
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&Close_PrgWin($r); |
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if($c->aborted()) { return; } |
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unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
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return '<html><body>Unable to tie database.</body></html>'; |
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} |
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my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
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4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
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9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd", 13, "Disc."); |
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my $color=&setbgcolor(0); |
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my $state=$ENV{'form.ProblemStatisticsHeading'}; |
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# my $state=&Apache::lonstatistics::CheckFormElement(\%cache, |
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# 'ProblemStatisticsHeading', |
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# 'ProblemStatisticsHeading', |
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# 'Homework Sets Order'); |
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$r->print("<br>state=".$state); |
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my $TempCache; |
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if ($state) { |
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$TempCache=&CacheStatisticsTable($state,\%cache,\%Header, |
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$r,$color); |
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} else { |
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my %discriminant=(); |
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my @list=(); |
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my %Discuss=&Apache::loncoursedata::LoadDiscussion($courseID); |
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my $index=0; |
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foreach (@$students) { |
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$index++; |
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#&Apache::lonstatistics::Update_PrgWin(++$index,$r); |
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&ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r, |
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\%discriminant); |
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} |
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#&Apache::lonstatistics::Close_PrgWin($r); |
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my ($upper, $lower) = &Discriminant(\%discriminant,$r); |
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$TempCache= &BuildStatisticsTable(\%cache, $upper, $lower, |
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\@list, \%Header, $students, |
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$r, $color); |
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} |
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untie(%cache); |
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foreach (keys %$TempCache) { |
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last if ($c->aborted()); |
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if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) { |
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$cache{$_}=$TempCache->{$_}; |
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untie(%cache); |
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} |
} |
} |
}; |
if($c->aborted()) { return; } |
$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
untie(%cache); |
$only_seq_with_assessments); |
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$Str .= '</td><td>'."\n"; |
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$Str .= &CreateAndParseOutputSelector(); |
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$Str .= '</td></tr>'."\n"; |
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$Str .= '</table>'."\n"; |
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return $Str; |
} |
} |
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####################################################### |
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####################################################### |
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#---- Problem Statistics Web Page --------------------------------------- |
=pod |
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sub NumericSort { |
=item &CreateAndParseOutputSelector() |
$a <=> $b; |
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} |
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=cut |
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sub CreateProblemStatisticsTableHeading { |
####################################################### |
my ($displayFormat,$sequenceSource,$sequenceTitle,$headings,$r)=@_; |
####################################################### |
if($displayFormat eq 'Display CSV Format') { |
my $output_mode; |
$r->print('<br>"'.$sequenceTitle.'","'); |
my $show; |
$r->print($sequenceSource.'"'); |
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return; |
my @OutputOptions = |
} |
( |
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{ name => 'problem statistics grouped by sequence', |
$r->print('<br><a href="'.$sequenceSource. |
value => 'HTML problem statistics grouped', |
'" target="_blank">'.$sequenceTitle.'</a>'); |
description => 'Output statistics for the problem parts.', |
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mode => 'html', |
my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n"; |
show => 'grouped', |
for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { |
}, |
$Result .= '<th>'.'<input type="submit" name="'; |
{ name => 'problem statistics ungrouped', |
$Result .= 'ProblemStatisticsHeading" value="'; |
value => 'HTML problem statistics ungrouped', |
$Result .= $headings->{$nIndex}.'" />'.'</th>'."\n"; |
description => 'Output statistics for the problem parts.', |
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mode => 'html', |
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show => 'ungrouped', |
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}, |
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{ name => 'problem statistics, Excel', |
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value => 'Excel problem statistics', |
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description => 'Output statistics for the problem parts '. |
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'in an Excel workbook', |
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mode => 'excel', |
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show => 'all', |
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}, |
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{ name => 'Degree of Difficulty Plot', |
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value => 'plot deg diff', |
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description => 'Generate a plot of the degree of difficulty of each '. |
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'problem part.', |
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mode => 'plot', |
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show => 'deg of diff', |
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}, |
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{ name => 'Percent Wrong Plot', |
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value => 'plot per wrong', |
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description => 'Generate a plot showing the percent of students who '. |
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'were unable to complete each problem part', |
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mode => 'plot', |
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show => 'per wrong', |
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}, |
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); |
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sub OutputDescriptions { |
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my $Str = ''; |
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$Str .= "<h2>Output Modes</h2>\n"; |
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$Str .= "<dl>\n"; |
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foreach my $outputmode (@OutputOptions) { |
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$Str .=" <dt>".$outputmode->{'name'}."</dt>\n"; |
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$Str .=" <dd>".$outputmode->{'description'}."</dd>\n"; |
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} |
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$Str .= "</dl>\n"; |
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return $Str; |
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} |
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sub CreateAndParseOutputSelector { |
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my $Str = ''; |
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my $elementname = 'outputmode'; |
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# |
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# Format for output options is 'mode, restrictions'; |
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my $selected = 'html, with links'; |
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if (exists($ENV{'form.'.$elementname})) { |
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if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) { |
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$selected = $ENV{'form.'.$elementname}->[0]; |
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} else { |
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$selected = $ENV{'form.'.$elementname}; |
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} |
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} |
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# |
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# Set package variables describing output mode |
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$output_mode = 'html'; |
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$show = 'all'; |
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foreach my $option (@OutputOptions) { |
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next if ($option->{'value'} ne $selected); |
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$output_mode = $option->{'mode'}; |
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$show = $option->{'show'}; |
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} |
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# |
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# Build the form element |
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$Str = qq/<select size="5" name="$elementname">/; |
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foreach my $option (@OutputOptions) { |
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$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
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$Str .= " selected " if ($option->{'value'} eq $selected); |
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$Str .= ">".$option->{'name'}."<\/option>"; |
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} |
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$Str .= "\n</select>"; |
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return $Str; |
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} |
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############################################### |
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############################################### |
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############################################### |
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############################################### |
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sub Gather_Student_Data { |
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my ($r) = @_; |
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my $c = $r->connection(); |
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# |
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my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
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# |
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my @Students = @Apache::lonstatistics::Students; |
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# |
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# Open the progress window |
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my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
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($r,'Statistics Compilation Status', |
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'Statistics Compilation Progress', scalar(@Students)); |
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# |
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while (my $student = shift @Students) { |
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return if ($c->aborted()); |
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my ($status,undef) = &Apache::loncoursedata::ensure_current_data |
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($student->{'username'},$student->{'domain'}, |
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$ENV{'request.course.id'}); |
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&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
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'last student'); |
} |
} |
$Result .= "\n".'</tr>'."\n"; |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
$r->print($Result); |
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$r->rflush(); |
$r->rflush(); |
} |
} |
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sub CloseTable { |
############################################### |
my ($cache,$r)=@_; |
############################################### |
if($cache->{'DisplayFormat'} eq 'Display CSV Format') { |
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return; |
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} |
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$r->print("\n".'</table>'."\n"); |
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$r->rflush(); |
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} |
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############################################### |
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############################################### |
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sub BuildProblemStatisticsPage { |
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my ($r,$c)=@_; |
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# |
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$output_mode = 'html'; |
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$show = 'grouped'; |
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# |
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$r->print(&CreateInterface()); |
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$r->print('<input type="hidden" name="statsfirstcall" value="no" />'); |
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$r->print('<input type="hidden" name="sortby" value="'.$ENV{'form.sortby'}. |
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'" />'); |
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if (! exists($ENV{'form.statsfirstcall'})) { |
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return; |
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} |
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# |
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&Gather_Student_Data($r); |
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# |
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# |
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if ($output_mode eq 'html') { |
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$r->print("<h2>". |
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$ENV{'course.'.$ENV{'request.course.id'}.'.description'}. |
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"</h2>\n"); |
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$r->print("<h3>".localtime(time)."</h3>"); |
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$r->rflush(); |
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if ($show eq 'grouped') { |
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&output_html_grouped_by_sequence($r); |
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} elsif ($show eq 'ungrouped') { |
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&output_html_ungrouped($r); |
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} |
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} elsif ($output_mode eq 'excel') { |
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$r->print("<h2>Preparing Excel Spreadsheet</h2>"); |
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&output_excel($r); |
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} else { |
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$r->print("<h1>Not implemented</h1>"); |
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} |
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return; |
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} |
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# Create progress |
############################################### |
sub Create_PrgWin { |
############################################### |
my ($r)=@_; |
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$r->print(<<ENDPOP); |
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<script> |
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popwin=open('','popwin','width=400,height=100'); |
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popwin.document.writeln('<html><body bgcolor="#88DDFF">'+ |
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'<title>LON-CAPA Statistics</title>'+ |
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'<h4>Computation Progress</h4>'+ |
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'<form name=popremain>'+ |
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'<input type=text size=35 name=remaining value=Starting></form>'+ |
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'</body></html>'); |
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popwin.document.close(); |
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</script> |
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ENDPOP |
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$r->rflush(); |
############################################### |
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############################################### |
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sub output_html_grouped_by_sequence { |
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my ($r) = @_; |
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#$r->print(&ProblemStatisticsLegend()); |
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my @Header = ("Title","Part","#Stdnts","Tries","Mod", |
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"Mean","#YES","#yes","%Wrng","DoDiff", |
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"S.D.","Skew.");#,"D.F.1st","D.F.2nd"); |
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# #FFFFE6 #EEFFCC #DDFFFF FFDDDD #DDFFDD #FFDDFF |
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foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
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my $show_part = 0; |
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next if ($sequence->{'num_assess'}<1); |
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$r->print("<h3>".$sequence->{'title'}."</h3>"); |
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$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
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$r->print('<table border="0" cellpadding="3">'."\n"); |
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$r->print('<tr bgcolor="#FFFFE6"><th>'. |
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join("</th><th>",@Header)."</th></tr>\n"); |
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foreach my $resource (@{$sequence->{'contents'}}) { |
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next if ($resource->{'type'} ne 'assessment'); |
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foreach my $part (@{$resource->{'parts'}}) { |
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my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
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$SKEW) = &Apache::loncoursedata::get_problem_statistics |
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(undef,$resource->{'symb'},$part, |
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$ENV{'request.course.id'}); |
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# |
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$show_part = 1 if ($part ne '0'); |
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$part = ' ' if ($part == 0); |
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# |
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my $wrongpercent = 0; |
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if (defined($num) && $num > 0) { |
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$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
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} |
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$r->print('<tr>'.&statistics_html_table_data |
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($resource,$part,$num,$tries,$mod,$mean,$Solved, |
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$solved,$wrongpercent,$DegOfDiff,$STD,$SKEW, |
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$show_part). |
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"</tr>\n"); |
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} |
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} |
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$r->print("</table>\n"); |
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$r->print("</td></tr></table>\n"); |
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$r->rflush(); |
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} |
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# |
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return; |
} |
} |
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# update progress |
############################################### |
sub Update_PrgWin { |
############################################### |
my ($totalStudents,$index,$name,$r)=@_; |
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$r->print('<script>popwin.document.popremain.remaining.value="'. |
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'Computing '.$index.'/'.$totalStudents.': '. |
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$name.'";</script>'); |
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$r->rflush(); |
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} |
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# close Progress Line |
############################################### |
sub Close_PrgWin { |
############################################### |
my ($r)=@_; |
sub output_html_ungrouped { |
$r->print('<script>popwin.close()</script>'); |
my ($r) = @_; |
$r->rflush(); |
# |
} |
my $show_container = 0; |
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my $show_part = 0; |
# ------ Dump the Student's DB file and handling the data for statistics table |
#$r->print(&ProblemStatisticsLegend()); |
sub ExtractStudentData { |
my @Header = ("Title","Part","#Stdnts","Tries","Mod", |
my ($cache,$name,$list,$Discuss,$r,$discriminant)=@_; |
"Mean","#YES","#yes","%Wrng","DoDiff", |
my $totalTries = 0; |
"S.D.","Skew");#,"D.F.1st","D.F.2nd"); |
my $totalAwarded = 0; |
# |
my $spent=0; |
my $sortby = undef; |
my $spent_yes=0; |
foreach (@Header) { |
my $TotDiscuss=0; |
if ($ENV{'form.sortby'} eq $_) { |
my $TotalOpend = 0; |
$sortby = $_; |
my $ProbSolved = 0; |
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my $ProbTot = 0; |
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my $TotFirst = 0; |
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my $TimeTot = 0; |
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my $Discussed=0; |
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my $discrim=''; |
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my $tempSequenceOrder=100; |
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#$Apache::lonxml::debug=1; |
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#&Apache::lonhomework::showhash(%$cache); |
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#$Apache::lonxml::debug=0; |
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foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
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my $tempProblemOrder=100; |
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if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
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$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
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# $r->print("<br>sequences=$cache->{'orderedSequences'}"); |
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# $r->print("<br>".$cache->{$sequence.':title'}); |
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next; |
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} |
} |
$tempSequenceOrder++; |
} |
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if (! defined($sortby) || $sortby eq '') { |
#$discrim .= '&'; |
$sortby = 'Container'; |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
} |
# $r->print("<br>problems=$cache->{$sequence.':problems'}"); |
# #FFFFE6 #EEFFCC #DDFFFF FFDDDD #DDFFDD #FFDDFF |
my $problem = $cache->{$problemID.':problem'}; |
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
# $r->print("<br>$problemID === $problem"); |
if (@Sequences > 1) { |
my $LatestVersion = $cache->{$name.':version:'.$problem}; |
unshift(@Header,"Container"); |
# Output dashes for all the parts of this problem if there |
$show_container = 1; |
# is no version information about the current problem. |
} |
#if(!$LatestVersion) { |
# |
# foreach my $part (split(/\:/,$cache->{$sequence.':'. |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
# $problemID. |
$r->rflush(); |
# ':parts'})) { |
# |
# $codes .= "-,"; |
# Compile the data |
# $attempts .= "0,"; |
my @Statsarray; |
# } |
foreach my $sequence (@Sequences) { |
# next; |
next if ($sequence->{'num_assess'}<1); |
#} |
foreach my $resource (@{$sequence->{'contents'}}) { |
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next if ($resource->{'type'} ne 'assessment'); |
my %partData=undef; |
foreach my $part (@{$resource->{'parts'}}) { |
$partData{'count'}=0; |
my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
# Initialize part data, display skips correctly |
$SKEW) = &Apache::loncoursedata::get_problem_statistics |
# Skip refers to when a student made no submissions on that |
(undef,$resource->{'symb'},$part, |
# part/problem. |
$ENV{'request.course.id'}); |
foreach my $part (split(/\:/,$cache->{$sequence.':'. |
# |
$problemID. |
$show_part = 1 if ($part ne '0'); |
':parts'})) { |
$part = ' ' if ($part == 0); |
$tempProblemOrder++; |
# |
$partData{'count'}++; |
my $wrongpercent = 0; |
# $r->print("<br>parts=$cache->{$sequence.':'.$problemID.':parts'}"); |
if (defined($num) && $num > 0) { |
$partData{$part.':order'}=$tempProblemOrder; |
$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
$partData{$part.':tries'}=0; |
} |
$partData{$part.':code'}='-'; |
push (@Statsarray, |
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{ 'sequence' => $sequence, |
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'resource' => $resource, |
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'Title' => $resource->{'title'}, |
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'Part' => $part, |
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'#Stdnts' => $num, |
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'Tries' => $tries, |
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'Mod' => $mod, |
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'Mean' => $mean, |
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'#YES' => $Solved, |
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'#yes' => $solved, |
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'%Wrng' => $wrongpercent, |
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'DoDiff' => $DegOfDiff, |
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'S.D.' => $STD, |
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'Skew' => $SKEW, |
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}); |
} |
} |
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} |
# Looping through all the versions of each part, starting with the |
} |
# oldest version. Basically, it gets the most recent |
# |
# set of grade data for each part. |
# Table Headers |
for(my $Version=1; $Version<=$LatestVersion; $Version++) { |
$r->print('<table border="0" cellpadding="3">'."\n"); |
foreach my $part (split(/\:/,$cache->{$sequence.':'. |
my $Str = ''; |
$problemID. |
foreach (@Header) { |
':parts'})) { |
next if ($_ eq 'Part' && !$show_part); |
|
# Do not allow sorting on some fields |
if(!defined($cache->{$name.":$Version:$problem". |
if ($_ eq $sortby || /^(Part)$/) { |
":resource.$part.solved"})) { |
$Str .= '<th>'.$_.'</th>'; |
# No grade for this submission, so skip |
} else { |
next; |
$Str .= '<th>'. |
|
'<a href="javascript:document.Statistics.sortby.value='."'$_'". |
|
';document.Statistics.submit();">'. |
|
$_.'</a></th>'; |
|
} |
|
} |
|
$r->print('<tr bgcolor="#FFFFE6">'.$Str."</tr>\n"); |
|
# |
|
# Sort the data |
|
my @OutputOrder; |
|
if ($sortby eq 'Container') { |
|
@OutputOrder = @Statsarray; |
|
} else { |
|
# $sortby is already defined, so we can charge ahead |
|
if ($sortby =~ /^(title|part)$/i) { |
|
# Alpha comparison |
|
@OutputOrder = sort { |
|
lc($a->{$sortby}) cmp lc($b->{$sortby}) || |
|
lc($a->{'Title'}) cmp lc($b->{'Title'}) || |
|
lc($a->{'Part'}) cmp lc($b->{'Part'}); |
|
} @Statsarray; |
|
} else { |
|
# Numerical comparison |
|
@OutputOrder = sort { |
|
my $retvalue = 0; |
|
if ($b->{$sortby} eq 'nan') { |
|
if ($a->{$sortby} ne 'nan') { |
|
$retvalue = -1; |
|
} else { |
|
$retvalue = 0; |
} |
} |
|
} |
my $tries=0; |
if ($a->{$sortby} eq 'nan') { |
my $time=0; |
if ($b->{$sortby} ne 'nan') { |
my $awarded=0; |
$retvalue = 1; |
$Discussed=0; |
|
my $code='-'; |
|
|
|
$awarded = $cache->{"$name:$Version:$problem:resource.". |
|
"$part.awarded"}; |
|
$partData{$part.':awarded'} = ($awarded) ? $awarded : 0; |
|
$totalAwarded += $awarded; |
|
|
|
$tries = $cache->{"$name:$Version:$problem". |
|
":resource.$part.tries"}; |
|
$partData{$part.':tries'} = ($tries) ? $tries : 0; |
|
$partData{$part.':wrong'} = $partData{$part.':tries'}; |
|
$totalTries += $tries; |
|
|
|
my $val = $cache->{$name.":$Version:$problem". |
|
":resource.$part.solved"}; |
|
if ($val eq 'correct_by_student') {$code = 'C';} |
|
elsif ($val eq 'correct_by_override') {$code = 'O';} |
|
elsif ($val eq 'incorrect_attempted') {$code = 'I';} |
|
elsif ($val eq 'incorrect_by_override'){$code = 'I';} |
|
elsif ($val eq 'excused') {$code = 'x';} |
|
$partData{$part.':code'}=$code; |
|
if($partData{$part.':wrong'} ne 0 && |
|
($code eq 'C' || $code eq 'O')) { |
|
$partData{$part.':wrong'}--; |
|
} |
} |
} |
} |
} |
if ($retvalue eq '0') { |
|
$retvalue = $b->{$sortby} <=> $a->{$sortby} || |
#$Apache::lonxml::debug=1; |
lc($a->{'Title'}) <=> lc($b->{'Title'}) || |
#&Apache::lonhomework::showhash(%partData); |
lc($a->{'Part'}) <=> lc($b->{'Part'}); |
#$Apache::lonxml::debug=0; |
} |
|
$retvalue; |
# Loop through all the parts for the current problem in the |
} @Statsarray; |
# correct order and prepare the output |
|
my $partCounter=0; |
|
foreach (split(/\:/,$cache->{$sequence.':'.$problemID. |
|
':parts'})) { |
|
$partCounter++; |
|
my $Yes = 0; |
|
if($partData{$_.':code'} eq 'C' || |
|
$partData{$_.':code'} eq 'O') { |
|
$Yes=1; |
|
} |
|
my $pOrder=$partData{$_.':order'}; |
|
my $ptr = $tempSequenceOrder.':'.$pOrder.':'.$problemID; |
|
|
|
if($partData{'count'} > 1) { |
|
$ptr .= "*(part $_)"; |
|
} |
|
#if($partCounter > 1) { |
|
$discrim .= '&'; |
|
#} |
|
|
|
my ($pr_no,$dod)=split('&',$ptr); |
|
# my $DoDiff=$DoDiff->{$dod}; |
|
# $r->print('<br>'.$name.'---'.$ptr.'==='.$DoDiff); |
|
|
|
my $Fac = ($partData{$_.':tries'}) ? |
|
($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; |
|
my $DisF; |
|
if($Fac > 0 && $Fac < 1) { |
|
$DisF = sprintf( "%.4f", $Fac ); |
|
} else { |
|
$DisF = $Fac; |
|
} |
|
|
|
if ($Discuss->{"$name:$problem"}) { |
|
$TotDiscuss++; |
|
$Discussed=1; |
|
} |
|
my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"}; |
|
$discrim .= $tempSequenceOrder.'@'.$pOrder.'='.$DisF.'+'.$Yes; |
|
$ptr .= '&'.$partData{$_.':tries'}. |
|
'&'.$partData{$_.':wrong'}. |
|
'&'.$partData{$_.':code'}; |
|
push (@$list, $ptr."&$Discussed"); |
|
# $r->print('<br>'.$_.$name.'---'.$ptr); |
|
|
|
#### if ($DoDiff>0.85) { |
|
|
|
$TimeTot += $time; |
|
|
|
if ($Yes==1 && $partData{$_.':tries'}==1) { |
|
$TotFirst++; |
|
} |
|
# my $Acts= $Activity->{$name.':'.$problem}; |
|
# if ($Acts) { |
|
# my $Pt=&ProcAct( $Acts, $time ); |
|
#my ($spe,$beg) = split(/\+/,$Pt); |
|
# my $spe= $Pt; |
|
# if ($Yes==1) {$spent_yes += $spe;} |
|
# $spent += $spe; |
|
#$Beg += $beg; |
|
# $r->print('<br>'.$name.'---'.$problem.'---'.$spe); |
|
# } |
|
$TotalOpend++; |
|
$ProbTot++; |
|
|
|
$tempProblemOrder++; |
|
} |
|
} |
} |
} |
} |
my $pstr; |
foreach my $row (@OutputOrder) { |
if($totalTries) { |
$r->print('<tr>'); |
my $DisFac = ($totalAwarded/$totalTries); |
if ($show_container) { |
my $DisFactor = sprintf( "%.4f", $DisFac ); |
$r->print('<td bgcolor="#FFFFE6">' |
my $TS = sprintf( "%.2f", $spent ); |
.$row->{'sequence'}->{'title'}.'</td>'); |
my $TS_yes = sprintf( "%.2f", $spent_yes ); |
} |
$pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'. |
$r->print(&stats_row_from_hash($row,$show_part)); |
$totalTries.':'.$ProbSolved.':'.$TotFirst.':'. |
$r->print("</tr>\n"); |
$TS_yes.':'.$TS.':'.$TotDiscuss; |
|
(%$discriminant)->{$pstr}=$discrim; |
|
} |
} |
|
$r->print("</table>\n"); |
|
$r->print("</td></tr></table>\n"); |
|
$r->rflush(); |
|
# |
|
return; |
} |
} |
|
|
|
sub stats_row_from_hash { |
|
my ($data,$show_part) = @_; |
sub MySort { |
return &statistics_html_table_data($data->{'resource'},$data->{'Part'}, |
my $pos=shift; |
$data->{'#Stdnts'}, $data->{'Tries'}, |
if ( $pos > 0 ) { |
$data->{'Mod'}, $data->{'Mean'}, |
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
$data->{'#YES'}, $data->{'#yes'}, |
else { $a <=> $b; } |
$data->{"\%Wrng"}, $data->{'DoDiff'}, |
} |
$data->{'S.D.'}, $data->{'Skew'}, |
else { |
$show_part); |
# if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
} |
# else { $a cmp $b; } |
|
$a cmp $b; |
############################################### |
|
############################################### |
|
|
|
############################################### |
|
############################################### |
|
sub output_excel { |
|
my ($r) = @_; |
|
my $filename = '/prtspool/'. |
|
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. |
|
time.'_'.rand(1000000000).'.xls'; |
|
# |
|
my $excel_workbook = undef; |
|
my $excel_sheet = undef; |
|
# |
|
my $rows_output = 0; |
|
my $cols_output = 0; |
|
# |
|
# Create sheet |
|
$excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); |
|
# |
|
# Check for errors |
|
if (! defined($excel_workbook)) { |
|
$r->log_error("Error creating excel spreadsheet $filename: $!"); |
|
$r->print("Problems creating new Excel file. ". |
|
"This error has been logged. ". |
|
"Please alert your LON-CAPA administrator"); |
|
return ; |
|
} |
|
# |
|
# The excel spreadsheet stores temporary data in files, then put them |
|
# together. If needed we should be able to disable this (memory only). |
|
# The temporary directory must be specified before calling 'addworksheet'. |
|
# File::Temp is used to determine the temporary directory. |
|
$excel_workbook->set_tempdir($Apache::lonnet::tmpdir); |
|
# |
|
# Add a worksheet |
|
my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; |
|
if (length($sheetname) > 31) { |
|
$sheetname = substr($sheetname,0,31); |
|
} |
|
$excel_sheet = $excel_workbook->addworksheet($sheetname); |
|
# |
|
# Put the course description in the header |
|
$excel_sheet->write($rows_output,$cols_output++, |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.description'}); |
|
$cols_output += 3; |
|
# |
|
# Put a description of the sections listed |
|
my $sectionstring = ''; |
|
my @Sections = @Apache::lonstatistics::SelectedSections; |
|
if (scalar(@Sections) > 1) { |
|
if (scalar(@Sections) > 2) { |
|
my $last = pop(@Sections); |
|
$sectionstring = "Sections ".join(', ',@Sections).', and '.$last; |
|
} else { |
|
$sectionstring = "Sections ".join(' and ',@Sections); |
|
} |
|
} else { |
|
if ($Sections[0] eq 'all') { |
|
$sectionstring = "All sections"; |
|
} else { |
|
$sectionstring = "Section ".$Sections[0]; |
|
} |
|
} |
|
$excel_sheet->write($rows_output,$cols_output++,$sectionstring); |
|
$cols_output += scalar(@Sections); |
|
# |
|
# Put the date in there too |
|
$excel_sheet->write($rows_output,$cols_output++, |
|
'Compiled on '.localtime(time)); |
|
# |
|
$rows_output++; |
|
$cols_output=0; |
|
# |
|
# Add the headers |
|
my @Header = ("Container","Title","Part","#Stdnts","Tries","Mod", |
|
"Mean","#YES","#yes","%Wrng","DoDiff", |
|
"S.D.","Skew.");#,"D.F.1st","D.F.2nd"); |
|
foreach (@Header) { |
|
$excel_sheet->write($rows_output,$cols_output++,$_); |
|
} |
|
$rows_output++; |
|
# |
|
# Write the data |
|
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
|
next if ($sequence->{'num_assess'}<1); |
|
foreach my $resource (@{$sequence->{'contents'}}) { |
|
next if ($resource->{'type'} ne 'assessment'); |
|
foreach my $part (@{$resource->{'parts'}}) { |
|
$cols_output=0; |
|
my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
|
$SKEW) = &Apache::loncoursedata::get_problem_statistics |
|
(undef,$resource->{'symb'},$part, |
|
$ENV{'request.course.id'}); |
|
# |
|
if (!defined($part) || $part eq '') { |
|
$part = ' '; |
|
} |
|
my $wrongpercent = 0; |
|
if (defined($num) && $num > 0) { |
|
$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
|
} |
|
foreach ($sequence->{'title'},$resource->{'title'},$part, |
|
$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent, |
|
$DegOfDiff,$STD,$SKEW) { |
|
$excel_sheet->write($rows_output,$cols_output++,$_); |
|
} |
|
$rows_output++; |
|
} |
|
} |
} |
} |
|
# |
|
# Write the excel file |
|
$excel_workbook->close(); |
|
# Tell the user where to get their excel file |
|
$r->print('<br />'. |
|
'<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n"); |
|
$r->rflush(); |
|
return; |
} |
} |
|
|
|
|
|
|
sub BuildStatisticsTable { |
sub statistics_html_table_data { |
my ($cache,$upper,$lower,$list,$headings,$students,$r,$color)=@_; |
my ($resource,$part,$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent, |
my $NoElements = scalar @$list; |
$DegOfDiff,$STD,$SKEW,$show_part) = @_; |
my @list=sort(@$list); |
my $row = ''; |
|
$row .= '<td bgcolor="#FFFFE6">'. |
#6666666 |
'<a href="'.$resource->{'src'}.'" target="_blank" >'. |
# my $file="/home/httpd/perl/tmp/183d.txt"; |
$resource->{'title'}.'</a>'. |
# open(OUT, ">$file"); |
'</td>'; |
#6666666 |
$row .= '<td bgcolor="#FFFFE6">'.$part.'</td>' if ($show_part); |
## &Apache::lonstatistics::Create_PrgWin($r); |
foreach ($num,$tries) { |
##777777 |
$row .= '<td bgcolor="#EEFFCC" align="right">'.$_.'</td>'; |
## my (%Activity) = &LoadActivityLog(); |
} |
## $r->print('<script>popwin.document.popremain.remaining.value="'. |
foreach ($mod,$mean) { |
## 'Loading Discussion...";</script>'); |
$row .= '<td bgcolor="#DDFFFF" align="right">'. |
## my ($doDiffFile) = &LoadDoDiffFile(); |
sprintf("%5.2f",$_).'</td>'; |
|
} |
##777777 |
foreach ($Solved,$solved) { |
## $Str .= &Classify($discriminantFactor, $students); |
$row .= '<td bgcolor="#DDFFFF" align="right">'.$_.'</td>'; |
|
} |
my $p_count = 0; |
foreach ($wrongpercent) { |
my $dummy; |
$row .= '<td bgcolor="#DDFFFF" align="right">'. |
my $p_val; |
sprintf("%5.1f",$_).'</td>'; |
my $ResId; |
} |
my %TempCache; |
foreach ($DegOfDiff,$STD,$SKEW) { |
my $cIdx=0; |
$row .= '<td bgcolor="#FFDDDD" align="right">'. |
|
sprintf("%5.2f",$_).'</td>'; |
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
} |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
return $row; |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
} |
next; |
|
} |
|
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
|
$cache->{$sequence.':source'}, |
|
$cache->{$sequence.':title'}, |
|
$headings,$r); |
|
my ($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
|
$list[$cIdx]); |
|
my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
|
$sequence+=100; |
|
while ($SqOrd==$sequence && $cIdx<$NoElements) { |
|
my %storestats=(); |
|
my $pOrd=$PrOrd; |
|
my $Temp = $Prob; |
|
my $MxTries = 0; |
|
my $TotalTries = 0; |
|
my $YES = 0; |
|
my $Incorrect = 0; |
|
my $Override = 0; |
|
my $StdNo = 0; |
|
my $DiscNo=0; |
|
my @StdLst; |
|
while ($pOrd==$PrOrd && $cIdx<$NoElements) |
|
{ |
|
$cIdx++; |
|
$StdNo++; |
|
$StdLst[ $StdNo ] = $Tries; |
|
$TotalTries += $Tries; |
|
if ( $MxTries < $Tries ) { $MxTries = $Tries; } |
|
if ( $Code eq 'C' ){ $YES++; } |
|
elsif( $Code eq 'I' ) { $Incorrect++; } |
|
elsif( $Code eq 'O' ) { $Override++; } |
|
elsif( $Code eq '-' ) { $StdNo--; } |
|
($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
|
$list[$cIdx]); |
|
($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
|
} |
|
|
|
$p_count++; |
|
my $Dummy; |
|
($ResId,$Dummy)=split(/\*/,$Temp); |
|
|
|
###################### |
|
$Temp = '<a href="'.$cache->{$ResId.':source'}. |
|
'" target="_blank">'.$cache->{$ResId.':title'}.$Dummy.'</a>'; |
|
|
|
#$r->print('<br>rid='.$ResId); |
|
#$r->print('<br>src='.$cache->{$ResId.':source'}); |
|
#$r->print('<br>tit='.$cache->{$ResId.':title'}); |
|
|
|
my $res = &Apache::lonnet::declutter($cache->{$ResId.':source'}); |
|
my $urlres=$res; |
|
|
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $cache->{'map_id_'.$1} ); |
|
$urlres=$Map; |
|
####################### |
|
|
|
# $res = '<a href="'.$cache->{$ResId.':source'}.'">'.$res.'</a>'; |
|
#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
|
|
|
#------------------------ Compute the Average of Tries about one problem |
|
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
|
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
|
|
|
#-------------------------------- Compute percentage of Wrong tries |
|
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
|
|
|
#-------------------------------- Compute Standard Deviation |
|
my $StdDev = 0; |
|
if ( $StdNo > 1 ) { |
|
for ( my $n = 0; $n < $StdNo; $n++ ) { |
|
my $Dif = $StdLst[ $n ]-$Average; |
|
$StdDev += $Dif*$Dif; |
|
} |
|
$StdDev /= ( $StdNo - 1 ); |
|
$StdDev = sqrt( $StdDev ); |
|
} |
|
|
|
#-------------------------------- Compute Degree of Difficulty |
############################################### |
my $DoDiff = 0; |
############################################### |
if( $TotalTries > 0 ) { |
|
$DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); |
|
# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1); |
|
} |
|
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff; |
|
|
|
#-------------------------------- Compute the Skewness |
sub BuildGraphicChart { |
my $Skewness = 0; |
my ($graph,$cacheDB,$courseDescription,$students,$courseID,$r,$c)=@_; |
my $Sum = 0; |
my %cache; |
if ( $StdNo > 0 && $StdDev > 0 ) { |
my $max; |
for ( my $n = 0; $n < $StdNo; $n++ ) { |
my $title = ''; |
my $Dif = $StdLst[ $n ]-$Average; |
if($graph eq 'DoDiffGraph') { |
$Skewness += $Dif*$Dif*$Dif; |
$title = 'Degree-of-Difficulty'; |
} |
} else { |
$Skewness /= $StdNo; |
$title = 'Wrong-Percentage'; |
$Skewness /= $StdDev*$StdDev*$StdDev; |
} |
|
my $currentSequence = -1; |
|
my $sortProblems = 'Sort Within Sequence'; |
|
my ($result, $orderedProblems) = |
|
&InitializeProblemStatistics($cacheDB, $students, $courseID, $c, $r); |
|
if($result ne 'OK') { |
|
return; |
|
} |
|
my @values = (); |
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
|
return 'Unable to tie database.7'; |
|
} |
|
foreach(@$orderedProblems) { |
|
my ($sequence,$problem,$part)=split(':', $_); |
|
if($cache{'StatisticsMaps'} ne 'All Maps' && |
|
$cache{'StatisticsMaps'} ne $cache{$sequence.':title'}) { |
|
next; |
|
} |
|
if( $currentSequence == -1 || |
|
($sortProblems eq 'Sort Within Sequence' && |
|
$currentSequence != $sequence)) { |
|
if($currentSequence != -1) { |
|
&DrawGraph(\@values,$courseDescription,$title,$max,$r); |
} |
} |
|
if($sortProblems eq 'Sort Within Sequence') { |
|
$r->print('<br><b>'.$cache{$sequence.':title'}.'</b>'."\n"); |
|
} |
|
$currentSequence = $sequence; |
|
@values = (); |
|
$max=0; |
|
} |
|
my $data = 0; |
|
if($graph eq 'DoDiffGraph') { |
|
$data = sprintf("%.2f", $cache{$_.':degreeOfDifficulty'}), |
|
} else { |
|
$data = sprintf("%.1f", $cache{$_.':percentWrong'}), |
|
} |
|
if($max < $data) { |
|
$max = $data; |
|
} |
|
push(@values, $data); |
|
} |
|
untie(%cache); |
|
&DrawGraph(\@values,$courseDescription,$title,$max,$r); |
|
return; |
|
} |
|
|
#--------------------- Compute the Discrimination Factors |
sub DrawGraph { |
my ($Up1,$Up2)=split(/\:/,$upper->{$sequence.'@'.$pOrd}); |
my ($values,$courseDescription,$title,$Max,$r)=@_; |
my ($Lw1,$Lw2)=split(/\:/,$lower->{$sequence.'@'.$pOrd}); |
my $sendValues = join(',', @$values); |
|
my $sendCount = scalar(@$values); |
my $Dis1 = $Up1 - $Lw1; |
$r->print("<br>The Maximum Value is: $Max"); |
my $Dis2 = $Up2 - $Lw2; |
if ( $Max > 1 ) { |
my $_D1 = sprintf("%.2f", $Dis1); |
if ($Max % 10) { |
my $_D2 = sprintf("%.2f", $Dis2); |
if ( int($Max) < $Max ) { |
|
$Max++; |
#----------------- Some restition in presenting the float numbers |
$Max = int($Max); |
my $Avg = sprintf( "%.2f", $Average ); |
|
my $Wrng = sprintf( "%.1f", $Wrong ); |
|
my $SD = sprintf( "%.1f", $StdDev ); |
|
my $DoD = sprintf( "%.2f", $DoDiff ); |
|
my $Sk = sprintf( "%.1f", $Skewness ); |
|
my $join = $sequence.'@'.$pOrd.'&'.$Temp.'&'.$StdNo.'&'. |
|
$TotalTries.'&'.$MxTries.'&'.$Avg.'&'. |
|
$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. |
|
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. |
|
$DiscNo.'&'.$Prob; |
|
|
|
#####{$sequence.'@'.$pOrd} |
|
$TempCache{'CacheTable:'.($p_count-1)}=$join; |
|
|
|
#6666666 |
|
# $r->print('<br>'.$out.'&'.$DoD); |
|
# print (OUT $out.'@'.$DoD.'&'); |
|
#6666666 |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
} |
#-------------------------------- Row of statistical table |
|
&TableRow($cache,$join,$cIdx,($p_count-1),$r,$color, |
|
\%TempCache); |
|
} |
} |
$TempCache{'ProblemCount'}=$p_count; |
#(10 - $Max % 10); |
&CloseTable($cache,$r); |
} else { $Max = 1; } |
} |
my @GData = ('','Problem_number',$title,$Max,$sendCount,$sendValues); |
### &Close_PrgWin(); |
# $r->print('</form>'."\n"); |
#666666 |
$r->print('<br>'."\n"); |
# close( OUT ); |
$r->print('<IMG src="/cgi-bin/graph.png?'. |
#666666 |
(join('&', @GData)).'" border="1" />'); |
return \%TempCache; |
# $r->print('<form>'."\n"); |
|
$r->print('<br>'."\n"); |
} |
} |
|
|
|
#---- Problem Statistics Web Page --------------------------------------- |
sub CacheStatisticsTable { |
sub CreateProblemStatisticsTableHeading { |
my ($state,$cache,$Header,$r,$color)=@_; |
my ($headings,$r)=@_; |
my @list = (); |
my $Str=''; |
my $Useful; |
$Str .= '<tr>'."\n"; |
my $UnUseful; |
$Str .= '<th bgcolor="#ffffe6">P#</th>'."\n"; |
my %TempCache; |
foreach(@$headings) { |
my %myHeader = reverse( %$Header ); |
$Str .= '<th bgcolor="#ffffe6">'; |
my $pos = $myHeader{$state}; |
$Str .= '<a href="/adm/statistics?reportSelected='; |
if ($pos > 0) {$pos++;} |
$Str .= &Apache::lonnet::escape('Problem Statistics'); |
my $p_count = $cache->{'ProblemCount'}; |
$Str .= '&ProblemStatisticsSort='; |
|
$Str .= &Apache::lonnet::escape($_).'">'.$_.'</a> </th>'."\n"; |
for ( my $k=0; $k<$p_count;$k++) { |
|
my $key=$cache->{'CacheTable:'.$k}; |
|
my @Temp=split(/\&/,$key); |
|
if ( $pos == 0 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$pos]); |
|
} |
|
else { |
|
$Useful = $Temp[$pos]; |
|
} |
|
$list[$k]=$Useful.'@'.$key; |
|
$r->print('<br>'.$list[$k]); |
|
} |
} |
|
$Str .= "\n".'</tr>'."\n"; |
|
return $Str; |
@list = sort MySort (@list); |
|
|
|
my $nIndex=0; |
|
|
|
return \%TempCache; |
|
} |
} |
|
|
|
sub BuildStatisticsTable { |
=pod |
my ($cache,$displayFormat,$sortProblems,$orderedProblems,$headings, |
|
$r,$color)=@_; |
if ( $Pos == 0 ) { |
my $count = 1; |
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
my $currentSequence = -1; |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
foreach(@$orderedProblems) { |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
my ($sequence,$problem,$part)=split(':', $_); |
next; |
if($cache->{'StatisticsMaps'} ne 'All Maps' && |
} |
$cache->{'StatisticsMaps'} ne $cache->{$sequence.':title'}) { |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
next; |
$cache->{$sequence.':source'}, |
} |
$cache->{$sequence.':title'}, |
if($currentSequence == -1 || |
$headings,$r); |
($sortProblems eq 'Sort Within Sequence' && |
|
$currentSequence != $sequence)) { |
my ($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
if($displayFormat ne 'Display CSV Format') { |
$list[$cIdx]); |
if($currentSequence ne -1) { |
my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
$r->print('</table>'); |
$sequence+=100; |
$r->print('</td></tr></table><br>'); |
while ($SqOrd==$sequence && $cIdx<$NoElements) { |
} |
my %storestats=(); |
if($sortProblems eq 'Sort Within Sequence') { |
my @lpr=split(/\&/,$pr); |
$r->print('<b>'.$cache->{$sequence.':title'}.'</b>'); |
for (my $i=1; $i<=$#lpr; $i++) { |
} |
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
#$r->print('<br>'.$Pre.'---'.$Post); |
$r->print('<table border="0" cellpadding="3">'."\n"); |
&TableRow($cache,$Post,$i,$nIndex,$color,\%GraphDat); |
$r->print(&CreateProblemStatisticsTableHeading($headings, $r)); |
$nIndex++; |
} else { |
} |
if($sortProblems eq 'Sort Within Sequence') { |
&CloseTable($cache); |
$r->print('"'.$cache->{$sequence.':title'}.'"'); |
} |
} |
|
$r->print('<br>'); |
|
} |
|
$currentSequence = $sequence; |
|
} |
|
my $ref = '<a href="'.$cache->{$problem.':source'}. |
|
'" target="_blank">'.$cache->{$problem.':title'}.'</a>'; |
|
my $title = $cache->{$problem.':title'}; |
|
if($part != 0) { |
|
$title .= ' Part '.$part; |
|
} |
|
my $source = $cache->{$problem.':source'}; |
|
my $tableData = join('&', $ref, $title, $source, |
|
$cache->{$_.':studentCount'}, |
|
$cache->{$_.':totalTries'}, |
|
$cache->{$_.':maxTries'}, |
|
$cache->{$_.':mean'}, |
|
$cache->{$_.':correct'}, |
|
$cache->{$_.':correctByOverride'}, |
|
$cache->{$_.':percentWrong'}, |
|
$cache->{$_.':degreeOfDifficulty'}, |
|
$cache->{$_.':standardDeviation'}, |
|
$cache->{$_.':skewness'}, |
|
$cache->{$_.':discriminationFactor1'}, |
|
$cache->{$_.':discriminationFactor2'}); |
|
&TableRow($displayFormat,$tableData,$count,$r,$color); |
|
$count++; |
} |
} |
else { |
if($displayFormat ne 'Display CSV Format') { |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
$r->print('</table>'."\n"); |
$cache->{$sequence.':source'}, |
$r->print('</td></tr></table>'); |
$cache->{$sequence.':title'}, |
} else { |
$headings,$r); |
$r->print('<br>'); |
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { |
|
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
|
&TableRow($cache,$Post,$nIndex,$nIndex,$color,\%GraphDat); |
|
} |
|
&CloseTable($cache); |
|
} |
} |
|
return; |
return \%TempCache; |
|
} |
} |
|
|
=cut |
|
|
|
|
|
sub TableRow { |
sub TableRow { |
my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; |
my ($displayFormat,$Str,$RealIdx,$r,$color)=@_; |
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, |
my($ref,$title,$source,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, |
$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str); |
$Wrng,$DoD,$SD,$Sk,$_D1,$_D2)=split(/\&/,$Str); |
my $Ptr; |
my $Ptr; |
if($cache->{'DisplayFormat'} eq 'Display CSV Format') { |
if($displayFormat eq 'Display CSV Format') { |
my ($ResId,$Dummy)=split(/\*/,$Prob); |
$Ptr='"'.$RealIdx.'",'."\n". |
$Ptr="\n".'<br>'. |
'"'.$title.'",'."\n". |
"\n".'"'.($RealIdx+1).'",'. |
'"'.$source.'",'."\n". |
"\n".'"'.$cache->{$ResId.':title'}.$Dummy.'",'. |
'"'.$StdNo.'",'."\n". |
"\n".'"'.$cache->{$ResId.':source'}.'",'. |
'"'.$TotalTries.'",'."\n". |
"\n".'"'.$StdNo.'",'. |
'"'.$MxTries.'",'."\n". |
"\n".'"'.$TotalTries.'",'. |
'"'.$Avg.'",'."\n". |
"\n".'"'.$MxTries.'",'. |
'"'.$YES.'",'."\n". |
"\n".'"'.$Avg.'",'. |
'"'.$Override.'",'."\n". |
"\n".'"'.$YES.'",'. |
'"'.$Wrng.'",'."\n". |
"\n".'"'.$Override.'",'. |
'"'.$DoD.'",'."\n". |
"\n".'"'.$Wrng.'",'. |
'"'.$SD.'",'."\n". |
"\n".'"'.$DoD.'",'. |
'"'.$Sk.'",'."\n". |
"\n".'"'.$SD.'",'. |
'"'.$_D1.'",'."\n". |
"\n".'"'.$Sk.'",'. |
'"'.$_D2.'"'."\n". |
"\n".'"'.$_D1.'",'. |
"<br>\n"; |
"\n".'"'.$_D2.'"'. |
|
"\n".'"'.$DiscNo.'"'; |
|
|
|
$r->print("\n".$Ptr); |
$r->print("\n".$Ptr); |
} else { |
} else { |
$Ptr="\n".'<tr>'. |
$Ptr='<tr>'."\n". |
"\n".'<td>'.($RealIdx+1).'</td>'. |
'<td bgcolor="#ffffe6">'.$RealIdx.'</td>'."\n". |
# "\n".'<td>'.$PrOrd.$Temp.'</td>'. |
'<td bgcolor="#ffffe6">'.$ref.'</td>'."\n". |
"\n".'<td>'.$Temp.'</td>'. |
'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'. |
'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'. |
'<td bgcolor='.$color->{"yellow"}.'>'.$MxTries.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$MxTries.'</td>'. |
'<td bgcolor='.$color->{"gb"}.'>'.$Avg.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"gb"}.'>'.$Avg.'</td>'. |
'<td bgcolor='.$color->{"gb"}.'> '.$YES.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$YES.'</td>'. |
'<td bgcolor='.$color->{"gb"}.'> '.$Override.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$Override.'</td>'. |
'<td bgcolor='.$color->{"red"}.'> '.$Wrng.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$Wrng.'</td>'. |
'<td bgcolor='.$color->{"red"}.'> '.$DoD.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$DoD.'</td>'. |
'<td bgcolor='.$color->{"green"}.'> '.$SD.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$SD.'</td>'. |
'<td bgcolor='.$color->{"green"}.'> '.$Sk.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$Sk.'</td>'. |
'<td bgcolor='.$color->{"purple"}.'> '.$_D1.'</td>'."\n". |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D1.'</td>'. |
'<td bgcolor='.$color->{"purple"}.'> '.$_D2.'</td>'."\n"; |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D2.'</td>'. |
$r->print($Ptr.'</tr>'."\n"); |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$DiscNo.'</td>'; |
|
$r->print("\n".$Ptr.'</tr>' ); |
|
} |
} |
$GraphDat->{'graph_gif:'.$RealIdx}=$DoD.':'.$Wrng; |
return; |
} |
} |
|
|
|
|
# For loading the colored table for display or un-colored for print |
# For loading the colored table for display or un-colored for print |
sub setbgcolor { |
sub setbgcolor { |
my $PrintTable=shift; |
my $PrintTable=shift; |
Line 761 sub setbgcolor {
|
Line 823 sub setbgcolor {
|
$color{"green"}="#DDFFDD"; |
$color{"green"}="#DDFFDD"; |
$color{"purple"}="#FFDDFF"; |
$color{"purple"}="#FFDDFF"; |
} |
} |
|
|
return \%color; |
return \%color; |
} |
} |
|
|
sub ProblemStatisticsButtons { |
sub ProblemStatisticsButtons { |
my ($displayFormat)=@_; |
my ($displayFormat, $displayLegend, $sortProblems)=@_; |
|
|
my $Ptr = '<tr><td></td><td align="left">'; |
my $Ptr = '<tr><td></td><td align="left">'; |
$Ptr .= '<input type="submit" name="DoDiffGraph" '; |
$Ptr .= '<input type="submit" name="DoDiffGraph" '; |
$Ptr .= 'value="DoDiff Graph" />'."\n"; |
$Ptr .= 'value="Plot Degree of Difficulty" />'."\n"; |
$Ptr .= ' '; |
$Ptr .= '</td><td align="left">'; |
$Ptr .= '<input type="submit" name="PercentWrongGraph" '; |
$Ptr .= '<input type="submit" name="PercentWrongGraph" '; |
$Ptr .= 'value="%Wrong Graph" />'."\n"; |
$Ptr .= 'value="Plot Percent Wrong" />'."\n"; |
$Ptr .= ' '; |
$Ptr .= '</td></tr><tr><td></td><td>'."\n"; |
|
$Ptr .= '<input type="submit" name="SortProblems" '; |
|
if($sortProblems eq 'Sort All Problems') { |
|
$Ptr .= 'value="Sort Within Sequence" />'."\n"; |
|
} else { |
|
$Ptr .= 'value="Sort All Problems" />'."\n"; |
|
} |
|
$Ptr .= '</td><td align="left">'; |
|
$Ptr .= '<input type="submit" name="DisplayLegend" '; |
|
if($displayLegend eq 'Show Legend') { |
|
$Ptr .= 'value="Hide Legend" />'."\n"; |
|
} else { |
|
$Ptr .= 'value="Show Legend" />'."\n"; |
|
} |
|
$Ptr .= '</td><td align="left">'; |
$Ptr .= '<input type="submit" name="DisplayCSVFormat" '; |
$Ptr .= '<input type="submit" name="DisplayCSVFormat" '; |
if($displayFormat eq 'Display CSV Format') { |
if($displayFormat eq 'Display CSV Format') { |
$Ptr .= 'value="Display Table Format" />'."\n"; |
$Ptr .= 'value="Display Table Format" />'."\n"; |
Line 782 sub ProblemStatisticsButtons {
|
Line 856 sub ProblemStatisticsButtons {
|
$Ptr .= 'value="Display CSV Format" />'."\n"; |
$Ptr .= 'value="Display CSV Format" />'."\n"; |
} |
} |
$Ptr .= '</td></tr>'; |
$Ptr .= '</td></tr>'; |
|
|
return $Ptr; |
return $Ptr; |
} |
} |
|
|
Line 791 sub ProblemStatisticsLegend {
|
Line 864 sub ProblemStatisticsLegend {
|
$Ptr = '<table border="0">'; |
$Ptr = '<table border="0">'; |
$Ptr .= '<tr><td>'; |
$Ptr .= '<tr><td>'; |
$Ptr .= '<b>#Stdnts</b></td>'; |
$Ptr .= '<b>#Stdnts</b></td>'; |
$Ptr .= '<td>Total Number of Students opened the problem.'; |
$Ptr .= '<td>Total number of students attempted the problem.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Tries</b></td>'; |
$Ptr .= '<b>Tries</b></td>'; |
$Ptr .= '<td>Total Number of Tries for solving the problem.'; |
$Ptr .= '<td>Total number of tries for solving the problem.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Mod</b></td>'; |
$Ptr .= '<b>Mod</b></td>'; |
$Ptr .= '<td>Maximunm Number of Tries for solving the problem.'; |
$Ptr .= '<td>Largest number of tries for solving the problem by a student.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Mean</b></td>'; |
$Ptr .= '<b>Mean</b></td>'; |
$Ptr .= '<td>Average Number of the tries. [ Tries / #Stdnts ]'; |
$Ptr .= '<td>Average number of tries. [ Tries / #Stdnts ]'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>#YES</b></td>'; |
$Ptr .= '<b>#YES</b></td>'; |
$Ptr .= '<td>Number of students solved the problem correctly.'; |
$Ptr .= '<td>Number of students solved the problem correctly.'; |
Line 808 sub ProblemStatisticsLegend {
|
Line 881 sub ProblemStatisticsLegend {
|
$Ptr .= '<b>#yes</b></td>'; |
$Ptr .= '<b>#yes</b></td>'; |
$Ptr .= '<td>Number of students solved the problem by override.'; |
$Ptr .= '<td>Number of students solved the problem by override.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>%Wrng</b></td>'; |
$Ptr .= '<b>%Wrong</b></td>'; |
$Ptr .= '<td>Percentage of students tried to solve the problem '; |
$Ptr .= '<td>Percentage of students who tried to solve the problem '; |
$Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]'; |
$Ptr .= 'but is still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>DoDiff</b></td>'; |
$Ptr .= '<b>DoDiff</b></td>'; |
$Ptr .= '<td>Degree of Difficulty of the problem. '; |
$Ptr .= '<td>Degree of Difficulty of the problem. '; |
Line 828 sub ProblemStatisticsLegend {
|
Line 901 sub ProblemStatisticsLegend {
|
$Ptr .= '<b>Dis.F.</b></td>'; |
$Ptr .= '<b>Dis.F.</b></td>'; |
$Ptr .= '<td>Discrimination Factor: A Standard for evaluating the '; |
$Ptr .= '<td>Discrimination Factor: A Standard for evaluating the '; |
$Ptr .= 'problem according to a Criterion<br>'; |
$Ptr .= 'problem according to a Criterion<br>'; |
$Ptr .= '<b>[Applied Criterion in %27 Upper Students - '; |
$Ptr .= '<b>[Criterion to group students into %27 Upper Students - '; |
$Ptr .= 'Applied the same Criterion in %27 Lower Students]</b><br>'; |
$Ptr .= 'and %27 Lower Students]</b><br>'; |
$Ptr .= '<b>1st Criterion</b> for Sorting the Students: '; |
$Ptr .= '<b>1st Criterion</b> for Sorting the Students: '; |
$Ptr .= '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>'; |
$Ptr .= '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>'; |
$Ptr .= '<b>2nd Criterion</b> for Sorting the Students: '; |
$Ptr .= '<b>2nd Criterion</b> for Sorting the Students: '; |
Line 838 sub ProblemStatisticsLegend {
|
Line 911 sub ProblemStatisticsLegend {
|
$Ptr .= '<tr><td><b>Disc.</b></td>'; |
$Ptr .= '<tr><td><b>Disc.</b></td>'; |
$Ptr .= '<td>Number of Students had at least one discussion.'; |
$Ptr .= '<td>Number of Students had at least one discussion.'; |
$Ptr .= '</td></tr></table>'; |
$Ptr .= '</td></tr></table>'; |
|
|
return $Ptr; |
return $Ptr; |
} |
} |
|
|
#------- Processing upperlist and lowerlist according to each problem |
|
sub ProcessDiscriminant { |
|
my ($List,$r) = @_; |
|
my @sortedList = sort (@$List); |
|
my $Count = scalar @sortedList; |
|
my $Problem; |
|
my @Dis; |
|
my $Slvd=0; |
|
my $tmp; |
|
my $Sum1=0; |
|
my $Sum2=0; |
|
my $nIndex=0; |
|
my $nStudent=0; |
|
my %Proc=undef; |
|
while ($nIndex<$Count) { |
|
# $r->print("<br> $nIndex) $sortedList[$nIndex]"); |
|
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
|
@Dis=split(/\+/,$tmp); |
|
my $Temp = $Problem; |
|
do { |
|
$nIndex++; |
|
$nStudent++; |
|
$Sum1 += $Dis[0]; |
|
$Sum2 += $Dis[1]; |
|
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
|
@Dis=split(/\+/,$tmp); |
|
} while ( $Problem eq $Temp && $nIndex < $Count ); |
|
$Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent); |
|
# $r->print("<br> $nIndex) $Temp --> ($nStudent) $Proc{$Temp}"); |
|
$Sum1=0; |
|
$Sum2=0; |
|
$nStudent=0; |
|
} |
|
|
|
return %Proc; |
|
} |
|
|
|
#------- Creating Discimination factor |
|
sub Discriminant { |
|
my ($discriminant,$r)=@_; |
|
#$Apache::lonxml::debug=1; |
|
#&Apache::lonhomework::showhash(%$discriminant); |
|
#$Apache::lonxml::debug=0; |
|
my @discriminantKeys=keys(%$discriminant); |
|
my $Count = scalar @discriminantKeys; |
|
|
|
my $UpCnt = int(0.27*$Count); |
|
my $low=0; |
|
my $up=$Count-$UpCnt; |
|
my @UpList=(); |
|
my @LowList=(); |
|
|
|
$Count=0; |
|
foreach my $key (sort(@discriminantKeys)) { |
|
$Count++; |
|
if($low < $UpCnt || $Count > $up) { |
|
$low++; |
|
my $str=$discriminant->{$key}; |
|
foreach(split(/\&/,$str)){ |
|
if($_) { |
|
if($low<$UpCnt) { push(@LowList,$_); } |
|
else { push(@UpList,$_); } |
|
} |
|
} |
|
} |
|
} |
|
my %DisUp = &ProcessDiscriminant(\@UpList,$r); |
|
my %DisLow = &ProcessDiscriminant(\@LowList,$r); |
|
|
|
return (\%DisUp, \%DisLow); |
|
} |
|
|
|
#---- END Problem Statistics Web Page ---------------------------------------- |
#---- END Problem Statistics Web Page ---------------------------------------- |
|
|
#---- Problem Statistics Graph Web Page -------------------------------------- |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
|
|
|
sub BuildDiffGraph { |
|
my ($r)=@_; |
|
|
|
my $graphData = &GetGraphData('DiffGraph', $r); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'); |
|
|
|
return; |
|
} |
|
|
|
sub BuildWrongGraph { |
|
my ($r)=@_; |
|
|
|
my $graphData = &GetGraphData('WrongGraph', $r); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'); |
|
|
|
return; |
|
} |
|
|
|
|
|
sub GetGraphData { |
|
my ($ylab,$r,%GraphDat)=@_; |
|
my $Col; |
|
my $data=''; |
|
my $count = 0; |
|
my $Max = 0; |
|
my $cid=$ENV{'request.course.id'}; |
|
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
|
foreach (keys %GraphDat) {delete $GraphDat{$_};} |
|
if (-e "$GraphDB") { |
|
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
|
if ( $ylab eq 'DoDiff Graph' ) { |
|
$ylab = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} |
|
else { |
|
$ylab = 'Wrong-Percentage'; |
|
$Col = 1; |
|
} |
|
foreach (sort NumericSort keys %GraphDat) { |
|
my @Temp=split(/\:/,$GraphDat{$_}); |
|
my $inf = $Temp[$Col]; |
|
if ( $Max < $inf ) {$Max = $inf;} |
|
$data .= $inf.','; |
|
$count++; |
|
} |
|
if ( $Max > 1 ) { |
|
$Max += (10 - $Max % 10); |
|
$Max = int($Max); |
|
} |
|
else { $Max = 1; } |
|
untie(%GraphDat); |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
my $GData=$Course.'&'.'Problems'.'&'.$ylab.'&'. |
|
$Max.'&'.$count.'&'.$data; |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
} |
|
|
|
|
|
1; |
1; |
__END__ |
__END__ |