version 1.4, 2002/07/27 20:48:36
|
version 1.18, 2002/08/12 18:21:42
|
Line 31
|
Line 31
|
# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei |
# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei |
# YEAR=2002 |
# YEAR=2002 |
# 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 |
# 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 |
# 5/12,5/14,5/15,5/19,5/26,7/16,7/25 Behrouz Minaei |
# 5/12,5/14,5/15,5/19,5/26,7/16,7/25,7/29,8/5 Behrouz Minaei |
# |
# |
### |
### |
|
|
Line 45 use GDBM_File;
|
Line 45 use GDBM_File;
|
|
|
|
|
sub BuildProblemStatisticsPage { |
sub BuildProblemStatisticsPage { |
my ($cacheDB, $students, $courseID, $c, $r,%color)=@_; |
my ($cacheDB, $students, $courseID, $c, $r)=@_; |
my %cache; |
my %cache; |
#my %DoDiff; |
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
return '<html><body>Unable to tie database.</body></html>'; |
return '<html><body>Unable to tie database.</body></html>'; |
} |
} |
|
|
Line 56 sub BuildProblemStatisticsPage {
|
Line 56 sub BuildProblemStatisticsPage {
|
$Ptr .= '<table border="0"><tbody>'; |
$Ptr .= '<table border="0"><tbody>'; |
$Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n"; |
$Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n"; |
$Ptr .= '<td align="left">'; |
$Ptr .= '<td align="left">'; |
$Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics'); |
$Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics', |
|
'Statistics'); |
|
$Ptr .= '</td></tr>'."\n"; |
|
$Ptr .= '<tr><td align="right"><b>Sorting Type:</b></td>'."\n"; |
|
$Ptr .= '<td align="left">'."\n"; |
|
$Ptr .= &Apache::lonhtmlcommon::AscendOrderOptions( |
|
$cache{'ProblemStatisticsAscend'}, |
|
'ProblemStatistics', |
|
'Statistics'); |
$Ptr .= '</td></tr>'."\n"; |
$Ptr .= '</td></tr>'."\n"; |
$Ptr .= &AscendOrderOptions($cache{'Ascend'}); |
|
$Ptr .= &ProblemStatisticsButtons($cache{'DisplayFormat'}); |
$Ptr .= &ProblemStatisticsButtons($cache{'DisplayFormat'}); |
$Ptr .= '</table>'; |
$Ptr .= '</table>'; |
|
|
$Ptr .= &ProblemStatisticsLegend(); |
$Ptr .= &ProblemStatisticsLegend(); |
|
$r->print($Ptr); |
|
$r->rflush(); |
|
|
untie(%cache); |
untie(%cache); |
|
&Create_PrgWin($r); |
|
my $count=0; |
foreach (@$students) { |
foreach (@$students) { |
|
&Update_PrgWin(scalar(@$students),$count,$_,$r); |
my $courseData = |
my $courseData = |
&Apache::loncoursedata::DownloadCourseInformation($_, $courseID); |
&Apache::loncoursedata::DownloadCourseInformation($_, $courseID); |
last if ($c->aborted()); |
last if ($c->aborted()); |
if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) { |
if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) { |
&Apache::loncoursedata::ProcessStudentData(\%cache, |
&Apache::loncoursedata::ProcessStudentData(\%cache, |
$courseData, $_); |
$courseData, $_); |
untie(%cache); |
untie(%cache); |
} |
} |
|
$count++; |
} |
} |
if($c->aborted()) { return $Ptr; } |
&Close_PrgWin($r); |
|
if($c->aborted()) { return; } |
|
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { |
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
return '<html><body>Unable to tie database.</body></html>'; |
return '<html><body>Unable to tie database.</body></html>'; |
} |
} |
my $discriminantFactor; |
|
my @list=(); |
|
my %Discuss=&Apache::loncoursedata::LoadDiscussion($courseID); |
|
my $index=0; |
|
foreach (@$students) { |
|
$index++; |
|
#&Apache::lonstatistics::Update_PrgWin(++$index,$r); |
|
$discriminantFactor = &ExtractStudentData(\%cache, $_, \@list, |
|
\%Discuss, $r); |
|
} |
|
#&Apache::lonstatistics::Close_PrgWin($r); |
|
|
|
my ($upper, $lower) = &Discriminant($discriminantFactor); |
|
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd", 13, "Disc."); |
9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd", 13, "Disc."); |
|
my $color=&setbgcolor(0); |
|
|
my %GraphDat= &BuildStatisticsTable(\%cache, $discriminantFactor, \@list, |
my $state=$ENV{'form.ProblemStatisticsHeading'}; |
\%Header, $students, $r, \%color); |
|
|
|
|
my $TempCache; |
|
|
|
if ($state) { |
|
$TempCache=&CacheStatisticsTable($state,\%cache,\%Header, |
|
$r,$color); |
|
} else { |
|
my %discriminant=(); |
|
my @list=(); |
|
my %Discuss=&Apache::loncoursedata::LoadDiscussion($courseID); |
|
my $index=0; |
|
foreach (@$students) { |
|
$index++; |
|
&ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r, |
|
\%discriminant); |
|
} |
|
my ($upper, $lower) = &Discriminant(\%discriminant,$r); |
|
$TempCache= &BuildStatisticsTable(\%cache, $upper, $lower, |
|
\@list, \%Header, $students, |
|
$r, $color); |
|
} |
untie(%cache); |
untie(%cache); |
|
|
return $Ptr; |
foreach (keys %$TempCache) { |
|
last if ($c->aborted()); |
|
if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) { |
|
$cache{$_}=$TempCache->{$_}; |
|
|
|
untie(%cache); |
|
} |
|
} |
|
if($c->aborted()) { return; } |
|
untie(%cache); |
} |
} |
|
|
|
|
#---- Problem Statistics Web Page --------------------------------------- |
#---- Problem Statistics Web Page --------------------------------------- |
|
|
|
|
sub NumericSort { |
|
$a <=> $b; |
|
} |
|
|
|
|
|
sub CreateProblemStatisticsTableHeading { |
sub CreateProblemStatisticsTableHeading { |
my ($displayFormat,$sequenceSource,$sequenceTitle,$headings,$r)=@_; |
my ($displayFormat,$sequenceSource,$sequenceTitle,$headings,$r)=@_; |
if($displayFormat eq 'Display CSV Format') { |
if($displayFormat eq 'Display CSV Format') { |
Line 121 sub CreateProblemStatisticsTableHeading
|
Line 145 sub CreateProblemStatisticsTableHeading
|
$r->print($sequenceSource.'"'); |
$r->print($sequenceSource.'"'); |
return; |
return; |
} |
} |
|
if ($sequenceSource eq 'Sorted by: ') { |
$r->print('<br><a href="'.$sequenceSource. |
$r->print('<br><b>'.$sequenceSource.$sequenceTitle.'</b>'); |
'" target="_blank">'.$sequenceTitle.'</a>'); |
} else { |
|
$r->print('<br><a href="'.$sequenceSource. |
|
'" target="_blank">'.$sequenceTitle.'</a>'); |
|
} |
my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n"; |
my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n"; |
for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { |
for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { |
$Result .= '<th>'.'<input type="submit" name="'; |
$Result .= '<th>'.'<input type="submit" name="'; |
Line 146 sub CloseTable {
|
Line 172 sub CloseTable {
|
} |
} |
|
|
|
|
|
# Create progress |
|
sub Create_PrgWin { |
|
my ($r)=@_; |
|
$r->print(<<ENDPOP); |
|
<script> |
|
popwin=open('','popwin','width=400,height=100'); |
|
popwin.document.writeln('<html><body bgcolor="#88DDFF">'+ |
|
'<title>LON-CAPA Statistics</title>'+ |
|
'<h4>Computation Progress</h4>'+ |
|
'<form name=popremain>'+ |
|
'<input type=text size=35 name=remaining value=Starting></form>'+ |
|
'</body></html>'); |
|
popwin.document.close(); |
|
</script> |
|
ENDPOP |
|
|
|
$r->rflush(); |
|
} |
|
|
|
# update progress |
|
sub Update_PrgWin { |
|
my ($totalStudents,$index,$name,$r)=@_; |
|
$r->print('<script>popwin.document.popremain.remaining.value="'. |
|
'Computing '.$index.'/'.$totalStudents.': '. |
|
$name.'";</script>'); |
|
$r->rflush(); |
|
} |
|
|
|
# close Progress Line |
|
sub Close_PrgWin { |
|
my ($r)=@_; |
|
$r->print('<script>popwin.close()</script>'); |
|
$r->rflush(); |
|
} |
|
|
|
|
# ------ Dump the Student's DB file and handling the data for statistics table |
# ------ Dump the Student's DB file and handling the data for statistics table |
sub ExtractStudentData { |
sub ExtractStudentData { |
my ($cache,$name,$list,$Discuss,$r)=@_; |
my ($cache,$name,$list,$Discuss,$r,$discriminant)=@_; |
my %discriminantFactor; |
|
|
|
my $totalTries = 0; |
my $totalTries = 0; |
my $totalAwarded = 0; |
my $totalAwarded = 0; |
my $tempProblemOrder=0; |
|
my $spent=0; |
my $spent=0; |
my $spent_yes=0; |
my $spent_yes=0; |
my $TotDiscuss=0; |
my $TotDiscuss=0; |
Line 164 sub ExtractStudentData {
|
Line 222 sub ExtractStudentData {
|
my $TotFirst = 0; |
my $TotFirst = 0; |
my $TimeTot = 0; |
my $TimeTot = 0; |
my $Discussed=0; |
my $Discussed=0; |
|
my $discrim=''; |
|
my $tempSequenceOrder=100; |
|
|
$Apache::lonxml::debug=1; |
#$Apache::lonxml::debug=1; |
#&Apache::lonhomework::showhash(%$cache); |
#&Apache::lonhomework::showhash(%$cache); |
$Apache::lonxml::debug=0; |
#$Apache::lonxml::debug=0; |
|
|
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
# if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && |
my $tempProblemOrder=100; |
# $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { |
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
# $r->print("<br>$name --- $sequence"); |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
# $r->print("<br>".$cache->{$sequence.':title'}); |
next; |
# next; |
} |
# } |
$tempSequenceOrder++; |
|
|
my $Dis = ''; |
|
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
my $problem = $cache->{$problemID.':problem'}; |
my $problem = $cache->{$problemID.':problem'}; |
$r->print("<br>$problemID === $problem"); |
|
my $LatestVersion = $cache->{$name.':version:'.$problem}; |
my $LatestVersion = $cache->{$name.':version:'.$problem}; |
# Output dashes for all the parts of this problem if there |
# Output dashes for all the parts of this problem if there |
# is no version information about the current problem. |
# is no version information about the current problem. |
Line 195 $Apache::lonxml::debug=0;
|
Line 253 $Apache::lonxml::debug=0;
|
#} |
#} |
|
|
my %partData=undef; |
my %partData=undef; |
|
$partData{'count'}=0; |
# Initialize part data, display skips correctly |
# Initialize part data, display skips correctly |
# Skip refers to when a student made no submissions on that |
# Skip refers to when a student made no submissions on that |
# part/problem. |
# part/problem. |
foreach my $part (split(/\:/,$cache->{$sequence.':'. |
foreach my $part (split(/\:/,$cache->{$sequence.':'. |
$problemID. |
$problemID. |
':parts'})) { |
':parts'})) { |
|
$tempProblemOrder++; |
|
$partData{'count'}++; |
|
$partData{$part.':order'}=$tempProblemOrder; |
$partData{$part.':tries'}=0; |
$partData{$part.':tries'}=0; |
$partData{$part.':code'}='-'; |
$partData{$part.':code'}='-'; |
} |
} |
Line 223 $Apache::lonxml::debug=0;
|
Line 285 $Apache::lonxml::debug=0;
|
my $time=0; |
my $time=0; |
my $awarded=0; |
my $awarded=0; |
$Discussed=0; |
$Discussed=0; |
my $code='U'; |
my $code='-'; |
|
|
$awarded = $cache->{$name. |
$awarded = $cache->{"$name:$Version:$problem:resource.". |
"$Version:$problem:resource.". |
|
"$part.awarded"}; |
"$part.awarded"}; |
$partData{$part.':awarded'} = ($awarded) ? $awarded : 0; |
$partData{$part.':awarded'} = ($awarded) ? $awarded : 0; |
$totalAwarded += $awarded; |
$totalAwarded += $awarded; |
|
|
$tries = $cache->{$name.":$Version:$problem". |
$tries = $cache->{"$name:$Version:$problem". |
":resource.$part.tries"}; |
":resource.$part.tries"}; |
$partData{$part.':tries'} = ($tries) ? $tries : 0; |
$partData{$part.':tries'} = ($tries) ? $tries : 0; |
$partData{$part.':wrong'} = $partData{$part.':tries'}; |
$partData{$part.':wrong'} = $partData{$part.':tries'}; |
Line 254 $Apache::lonxml::debug=0;
|
Line 315 $Apache::lonxml::debug=0;
|
|
|
# Loop through all the parts for the current problem in the |
# Loop through all the parts for the current problem in the |
# correct order and prepare the output |
# correct order and prepare the output |
|
my $partCounter=0; |
foreach (split(/\:/,$cache->{$sequence.':'.$problemID. |
foreach (split(/\:/,$cache->{$sequence.':'.$problemID. |
':parts'})) { |
':parts'})) { |
#$r->print("<br>".$cache->{$sequence.':title'}); |
$partCounter++; |
|
|
my $Yes = 0; |
my $Yes = 0; |
if($partData{$_.':code'} eq 'C' || |
if($partData{$_.':code'} eq 'C' || |
$partData{$_.':code'} eq 'O') { |
$partData{$_.':code'} eq 'O') { |
$Yes=1; |
$Yes=1; |
} |
} |
my $ptr = $tempProblemOrder.'&'.$problemID; |
my $pOrder=$partData{$_.':order'}; |
|
my $ptr = $tempSequenceOrder.':'.$pOrder.':'.$problemID; |
|
|
if($_ > 1) { |
if($partData{'count'} > 1) { |
$ptr .= "*(part $_)"; |
$ptr .= "*(part $_)"; |
$Dis .= '&'; |
|
} |
} |
|
$discrim .= '&'; |
|
|
my ($pr_no,$dod)=split('&',$ptr); |
my ($pr_no,$dod)=split('&',$ptr); |
# my $DoDiff=$DoDiff->{$dod}; |
# my $DoDiff=$DoDiff->{$dod}; |
# $r->print('<br>'.$name.'---'.$ptr.'==='.$DoDiff); |
# $r->print('<br>'.$name.'---'.$ptr.'==='.$DoDiff); |
|
|
my $Fac = ($partData{$_.':Tries'}) ? |
my $Fac = ($partData{$_.':tries'}) ? |
($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; |
($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; |
my $DisF; |
my $DisF; |
if($Fac > 0 && $Fac < 1) { |
if($Fac > 0 && $Fac < 1) { |
Line 288 $Apache::lonxml::debug=0;
|
Line 350 $Apache::lonxml::debug=0;
|
$Discussed=1; |
$Discussed=1; |
} |
} |
my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"}; |
my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"}; |
$Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes; |
$discrim .= $tempSequenceOrder.'@'.$pOrder.'='.$DisF.'+'.$Yes; |
$ptr .= '&'.$partData{$_.'.tries'}. |
$ptr .= '&'.$partData{$_.':tries'}. |
'&'.$partData{$_.'.wrongs'}. |
'&'.$partData{$_.':wrong'}. |
'&'.$partData{$_.'.code'}; |
'&'.$partData{$_.':code'}; |
push (@$list, $ptr."&$Discussed"); |
push (@$list, $ptr."&$Discussed"); |
$r->print('<br>'.$name.'---'.$ptr); |
# $r->print('<br>'.$_.$name.'---'.$ptr); |
|
|
#### if ($DoDiff>0.85) { |
#### if ($DoDiff>0.85) { |
|
|
$TimeTot += $time; |
$TimeTot += $time; |
|
|
if ($Yes==1 && $partData{$_.'.Tries'}==1) { |
if ($Yes==1 && $partData{$_.':tries'}==1) { |
$TotFirst++; |
$TotFirst++; |
} |
} |
# my $Acts= $Activity->{$name.':'.$problem}; |
# my $Acts= $Activity->{$name.':'.$problem}; |
Line 318 $Apache::lonxml::debug=0;
|
Line 380 $Apache::lonxml::debug=0;
|
$tempProblemOrder++; |
$tempProblemOrder++; |
} |
} |
} |
} |
my $pstr; |
|
if($totalTries) { |
|
my $DisFac = ($totalAwarded/$totalTries); |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
my $TS = sprintf( "%.2f", $spent ); |
|
my $TS_yes = sprintf( "%.2f", $spent_yes ); |
|
# $DiscFac{$DisFactor}=$Dis; |
|
$pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'. |
|
$totalTries.':'.$ProbSolved.':'.$TotFirst.':'. |
|
$TS_yes.':'.$TS.':'.$TotDiscuss; |
|
$discriminantFactor{$pstr}=$Dis; |
|
} |
|
} |
} |
|
my $pstr; |
return (\%discriminantFactor); |
if($totalTries) { |
|
my $DisFac = ($totalAwarded/$totalTries); |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
my $TS = sprintf( "%.2f", $spent ); |
|
my $TS_yes = sprintf( "%.2f", $spent_yes ); |
|
$pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'. |
|
$totalTries.':'.$ProbSolved.':'.$TotFirst.':'. |
|
$TS_yes.':'.$TS.':'.$TotDiscuss; |
|
(%$discriminant)->{$pstr}=$discrim; |
|
} |
} |
} |
|
|
|
sub NumericSort { |
|
$a <=> $b; |
|
} |
|
|
=pod |
sub OrderedSort { |
sub MySort { |
if ($ENV{'form.order'} eq 'Descending') { |
if ( $Pos > 0 ) { |
$b <=> $a; |
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
} else { |
else { $a <=> $b; } |
$a <=> $b; |
} |
|
else { |
|
if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
|
else { $a cmp $b; } |
|
} |
} |
} |
} |
=cut |
|
|
|
|
|
sub BuildStatisticsTable { |
sub BuildStatisticsTable { |
my ($cache,$discriminantFactor,$list,$headings,$students,$r,%color)=@_; |
my ($cache,$upper,$lower,$list,$headings,$students,$r,$color)=@_; |
|
my $NoElements = scalar @$list; |
|
my @list=sort(@$list); |
|
|
#6666666 |
#6666666 |
# my $file="/home/httpd/perl/tmp/183d.txt"; |
# my $file="/home/httpd/perl/tmp/183d.txt"; |
Line 364 sub BuildStatisticsTable {
|
Line 424 sub BuildStatisticsTable {
|
## 'Loading Discussion...";</script>'); |
## 'Loading Discussion...";</script>'); |
## my ($doDiffFile) = &LoadDoDiffFile(); |
## my ($doDiffFile) = &LoadDoDiffFile(); |
|
|
|
##777777 |
|
## $Str .= &Classify($discriminantFactor, $students); |
|
|
my $p_count = 0; |
my $p_count = 0; |
my $nIndex = 0; |
|
my $dummy; |
my $dummy; |
my $p_val; |
my $p_val; |
my $ResId; |
my $ResId; |
my %GraphDat; |
my %TempCache; |
my $NoElements = scalar @$list; |
my $cIdx=0; |
|
|
|
|
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
|
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
$cache->{$sequence.':source'}, |
next; |
$cache->{$sequence.':title'}, |
} |
|
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
|
$cache->{$sequence.':source'}, |
|
$cache->{$sequence.':title'}, |
$headings,$r); |
$headings,$r); |
|
my ($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { |
$list[$cIdx]); |
my $problem = $cache->{$problemID.':problem'}; |
my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
$r->print("<br>$problem"); |
$sequence+=100; |
|
while ($SqOrd==$sequence && $cIdx<$NoElements) { |
} |
|
} |
|
} |
|
=pod |
|
##777777 |
|
## $Str .= &Classify($discriminantFactor, $students); |
|
|
|
|
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
my @lpr=split(/\&/,$pr); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my %storestats=(); |
my %storestats=(); |
my ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]); |
my $pOrd=$PrOrd; |
my $Temp = $Prob; |
my $Temp = $Prob; |
my $MxTries = 0; |
my $MxTries = 0; |
my $TotalTries = 0; |
my $TotalTries = 0; |
Line 406 sub BuildStatisticsTable {
|
Line 459 sub BuildStatisticsTable {
|
my $StdNo = 0; |
my $StdNo = 0; |
my $DiscNo=0; |
my $DiscNo=0; |
my @StdLst; |
my @StdLst; |
while ( $PrOrd == $lpr[$i] ) |
while ($pOrd==$PrOrd && $cIdx<$NoElements) |
{ |
{ |
$nIndex++; |
$cIdx++; |
$StdNo++; |
$StdNo++; |
$StdLst[ $StdNo ] = $Tries; |
$StdLst[ $StdNo ] = $Tries; |
$TotalTries += $Tries; |
$TotalTries += $Tries; |
Line 416 sub BuildStatisticsTable {
|
Line 469 sub BuildStatisticsTable {
|
if ( $Code eq 'C' ){ $YES++; } |
if ( $Code eq 'C' ){ $YES++; } |
elsif( $Code eq 'I' ) { $Incorrect++; } |
elsif( $Code eq 'I' ) { $Incorrect++; } |
elsif( $Code eq 'O' ) { $Override++; } |
elsif( $Code eq 'O' ) { $Override++; } |
elsif( $Code eq 'U' ) { $StdNo--; } |
elsif( $Code eq '-' ) { $StdNo--; } |
($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]); |
($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, |
} |
$list[$cIdx]); |
|
($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); |
|
} |
|
|
$p_count++; |
$p_count++; |
my $Dummy; |
my $Dummy; |
($ResId,$Dummy)=split(/\*/,$Temp); |
($ResId,$Dummy)=split(/\*/,$Temp); |
|
$Temp = '<a href="'.$cache->{$ResId.':source'}. |
|
'" target="_blank">'.$cache->{$ResId.':title'}.$Dummy.'</a>'; |
|
|
$Temp = '<a href="'.$cache->{'src_'.$ResId}. |
# my $urlres = $cache->{$sequence.':source'}); |
'" target="_blank">'.$cache->{'title_'.$ResId}.$Dummy.'</a>'; |
#check with Gerd |
|
#symb of the problem (already decluttered and cleaned) |
my $res = &Apache::lonnet::declutter($cache->{'src_'.$ResId}); |
my $urlres = $cache->{$ResId.':problem'}; |
my $urlres=$res; |
|
|
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $cache->{'map_id_'.$1} ); |
|
$urlres=$Map; |
|
|
|
$res = '<a href="'.$cache->{'src_'.$ResId}.'">'.$res.'</a>'; |
|
#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
|
|
|
#------------------------ Compute the Average of Tries about one problem |
#------------------------ Compute the Average of Tries about one problem |
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
|
|
#-------------------------------- Compute percentage of Wrong tries |
#-------------------------------- Compute percentage of Wrong tries |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
|
|
Line 480 sub BuildStatisticsTable {
|
Line 529 sub BuildStatisticsTable {
|
} |
} |
|
|
#--------------------- Compute the Discrimination Factors |
#--------------------- Compute the Discrimination Factors |
my ($Up1,$Up2)=split(/\:/,':');#jason$DisUp->{$lpr[$i]}); |
my ($Up1,$Up2)=split(/\:/,$upper->{$sequence.'@'.$pOrd}); |
my ($Lw1,$Lw2)=split(/\:/,':');#jason$DisLow->{$lpr[$i]}); |
my ($Lw1,$Lw2)=split(/\:/,$lower->{$sequence.'@'.$pOrd}); |
|
|
my $Dis1 = $Up1 - $Lw1; |
my $Dis1 = $Up1 - $Lw1; |
my $Dis2 = $Up2 - $Lw2; |
my $Dis2 = $Up2 - $Lw2; |
my $_D1 = sprintf("%.2f", $Dis1); |
my $_D1 = sprintf("%.2f", $Dis1); |
Line 493 sub BuildStatisticsTable {
|
Line 543 sub BuildStatisticsTable {
|
my $SD = sprintf( "%.1f", $StdDev ); |
my $SD = sprintf( "%.1f", $StdDev ); |
my $DoD = sprintf( "%.2f", $DoDiff ); |
my $DoD = sprintf( "%.2f", $DoDiff ); |
my $Sk = sprintf( "%.1f", $Skewness ); |
my $Sk = sprintf( "%.1f", $Skewness ); |
my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'. |
my $join = $sequence.'@'.$pOrd.'&'.$Temp.'&'.$StdNo.'&'. |
$TotalTries.'&'.$MxTries.'&'.$Avg.'&'. |
$TotalTries.'&'.$MxTries.'&'.$Avg.'&'. |
$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. |
$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. |
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. |
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. |
$DiscNo.'&'.$Prob; |
$DiscNo.'&'.$Prob; |
##8888 $CachData{($p_count-1)}=$join; |
|
|
$TempCache{'CacheTable:'.($p_count-1)}=$join; |
|
|
#6666666 |
#6666666 |
# $r->print('<br>'.$out.'&'.$DoD); |
# $r->print('<br>'.$out.'&'.$DoD); |
# print (OUT $out.'@'.$DoD.'&'); |
# print (OUT $out.'@'.$DoD.'&'); |
#6666666 |
#6666666 |
|
|
|
#check with Gerd |
$urlres=~/^(\w+)\/(\w+)/; |
$urlres=~/^(\w+)\/(\w+)/; |
if ($StdNo) { |
if ($StdNo) { |
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
&Apache::lonnet::put('nohist_resevaldata',\%storestats, |
|
$1,$2); |
} |
} |
#-------------------------------- Row of statistical table |
#-------------------------------- Row of statistical table |
&TableRow($cache,$join,$i,($p_count-1),$r,\%color,\%GraphDat); |
&TableRow($cache,$join,$cIdx,($p_count-1),$r,$color, |
|
\%TempCache); |
} |
} |
|
$TempCache{'ProblemCount'}=$p_count; |
&CloseTable($cache,$r); |
&CloseTable($cache,$r); |
} |
} |
&Close_PrgWin(); |
### &Close_PrgWin(); |
#666666 |
#6666666 |
# close( OUT ); |
# close( OUT ); |
#666666 |
#666666 |
|
return \%TempCache; |
} |
} |
=cut |
|
|
|
=pod |
|
sub Cache_Statistics { |
|
my ($cache,$color)=@_; |
|
my @list = (); |
|
my $Useful; |
|
my $UnUseful; |
|
# $r->print('<input type="hidden" name="show" value="excel" />'."\n"); |
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
if ($Pos > 0) {$Pos++;} |
|
my $p_count = 0; |
|
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\&/,$CachData{$key}); |
|
if ( $Pos == 0 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); |
|
} |
|
else { |
|
$Useful = $Temp[$Pos]; |
|
} |
|
$list[$p_count]=$Useful.'@'.$CachData{$key}; |
|
$p_count++; |
|
} |
|
|
|
@list = sort MySort (@list); |
sub CacheStatisticsTable { |
|
my ($state,$cache,$headings,$r,$color)=@_; |
|
my @list = (); |
|
my %TempCache; |
|
my %myHeader = reverse( %$headings ); |
|
my $pos = $myHeader{$state}; |
|
if ($pos > 0) {$pos++;} |
|
my $p_count = $cache->{'ProblemCount'}; |
|
|
|
for ( my $k=0; $k<$p_count;$k++) { |
|
my $key=$cache->{'CacheTable:'.$k}; |
|
my @Temp=split(/\&/,$key); |
|
$list[$k]=$Temp[$pos].'+'.$key; |
|
} |
|
|
|
if ($pos>0) { |
|
@list = sort OrderedSort (@list); |
|
} else { |
|
@list = sort (@list); |
|
} |
|
my $cIdx=0; |
|
|
my $nIndex=0; |
if ( $pos == 0 ) { |
|
foreach my $sequence (split(':', $cache->{'orderedSequences'})) { |
|
if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' && |
|
$cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) { |
|
next; |
|
} |
|
if ($cIdx==$p_count) { |
|
return \%TempCache; |
|
} |
|
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
|
$cache->{$sequence.':source'}, |
|
$cache->{$sequence.':title'}, |
|
$headings,$r); |
|
|
if ( $Pos == 0 ) { |
my ($tar)=split(/\&/,$list[$cIdx]); |
foreach (sort keys %mapsort) { |
$tar=~s/\+//eg; |
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
my ($SqOrd)=split(/\@/,$tar); |
&CreateProblemStatisticsTableHeading($cache,1,$Hid); |
$sequence+=100; |
my @lpr=split(/\&/,$pr); |
while ($SqOrd==$sequence && $cIdx<$p_count) { |
for (my $i=1; $i<=$#lpr; $i++) { |
my($Pre, $Post) = split(/\+/,$list[$cIdx]); |
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
&TableRow($cache,$Post,$cIdx,$cIdx,$r,$color,\%TempCache); |
#$r->print('<br>'.$Pre.'---'.$Post); |
$cIdx++; |
&TableRow($cache,$Post,$i,$nIndex,\%color,\%GraphDat); |
my ($tar)=split(/\&/,$list[$cIdx]); |
$nIndex++; |
$tar=~s/\+//eg; |
|
($SqOrd)=split(/\@/,$tar); |
} |
} |
&CloseTable($cache); |
&CloseTable($cache,$r); |
} |
} |
} |
} |
else { |
else { |
&CreateProblemStatisticsTableHeading($cache,0); |
&CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, |
|
'Sorted by: ', |
|
$headings->{$pos-1}, |
|
$headings,$r); |
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { |
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { |
my($Pre, $Post) = split(/\@/,$list[$nIndex]); |
my($Pre, $Post) = split(/\+/,$list[$nIndex]); |
&TableRow($cache,$Post,$nIndex,$nIndex,\%color,\%GraphDat); |
&TableRow($cache,$Post,$nIndex,$nIndex,$r,$color,\%TempCache); |
} |
} |
&CloseTable($cache); |
&CloseTable($cache,$r); |
} |
} |
|
|
|
return \%TempCache; |
} |
} |
=cut |
|
|
|
sub TableRow { |
sub TableRow { |
my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; |
my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; |
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, |
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, |
$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str); |
$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str); |
if ($ENV{'form.showcsv'}) { |
my $Ptr; |
|
if($cache->{'DisplayFormat'} eq 'Display CSV Format') { |
my ($ResId,$Dummy)=split(/\*/,$Prob); |
my ($ResId,$Dummy)=split(/\*/,$Prob); |
my $Ptr = "\n".'<br>'. |
$Ptr="\n".'<br>'. |
"\n".'"'.($RealIdx+1).'",'. |
"\n".'"'.($RealIdx+1).'",'. |
"\n".'"'.$cache->{'title_'.$ResId}.$Dummy.'",'. |
"\n".'"'.$cache->{$ResId.':title'}.$Dummy.'",'. |
"\n".'"'.$cache->{'src_'.$ResId}.'",'. |
"\n".'"'.$cache->{$ResId.':source'}.'",'. |
"\n".'"'.$StdNo.'",'. |
"\n".'"'.$StdNo.'",'. |
"\n".'"'.$TotalTries.'",'. |
"\n".'"'.$TotalTries.'",'. |
"\n".'"'.$MxTries.'",'. |
"\n".'"'.$MxTries.'",'. |
"\n".'"'.$Avg.'",'. |
"\n".'"'.$Avg.'",'. |
"\n".'"'.$YES.'",'. |
"\n".'"'.$YES.'",'. |
"\n".'"'.$Override.'",'. |
"\n".'"'.$Override.'",'. |
"\n".'"'.$Wrng.'",'. |
"\n".'"'.$Wrng.'",'. |
"\n".'"'.$DoD.'",'. |
"\n".'"'.$DoD.'",'. |
"\n".'"'.$SD.'",'. |
"\n".'"'.$SD.'",'. |
"\n".'"'.$Sk.'",'. |
"\n".'"'.$Sk.'",'. |
"\n".'"'.$_D1.'",'. |
"\n".'"'.$_D1.'",'. |
"\n".'"'.$_D2.'"'. |
"\n".'"'.$_D2.'"'. |
"\n".'"'.$DiscNo.'"'; |
"\n".'"'.$DiscNo.'"'; |
|
|
$r->print("\n".$Ptr); |
$r->print("\n".$Ptr); |
} |
} else { |
else{ |
$Ptr="\n".'<tr>'. |
my $Ptr = "\n".'<tr>'. |
"\n".'<td>'.($RealIdx+1).'</td>'. |
"\n".'<td>'.($RealIdx+1).'</td>'. |
"\n".'<td>'.$Temp.'</td>'. |
# "\n".'<td>'.$PrOrd.$Temp.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'. |
"\n".'<td>'.$Temp.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$StdNo.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$MxTries.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$TotalTries.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'>'.$Avg.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'>'.$MxTries.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$YES.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'>'.$Avg.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$Override.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$YES.'</td>'. |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$Wrng.'</td>'. |
"\n".'<td bgcolor='.$color->{"gb"}.'> '.$Override.'</td>'. |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$DoD.'</td>'. |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$Wrng.'</td>'. |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$SD.'</td>'. |
"\n".'<td bgcolor='.$color->{"red"}.'> '.$DoD.'</td>'. |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$Sk.'</td>'. |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$SD.'</td>'. |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D1.'</td>'. |
"\n".'<td bgcolor='.$color->{"green"}.'> '.$Sk.'</td>'. |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D2.'</td>'. |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D1.'</td>'. |
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$DiscNo.'</td>'; |
"\n".'<td bgcolor='.$color->{"purple"}.'> '.$_D2.'</td>'. |
|
"\n".'<td bgcolor='.$color->{"yellow"}.'> '.$DiscNo.'</td>'; |
|
$r->print("\n".$Ptr.'</tr>' ); |
$r->print("\n".$Ptr.'</tr>' ); |
} |
} |
$GraphDat->{$RealIdx}=$DoD.':'.$Wrng; |
$GraphDat->{'GraphGif:'.$RealIdx}=$DoD.':'.$Wrng; |
} |
|
|
|
sub StatusOptions { |
|
my ($cache)=@_; |
|
|
|
my $Status = $cache->{'Status'}; |
|
my $OpSel1 = ''; |
|
my $OpSel2 = ''; |
|
my $OpSel3 = ''; |
|
|
|
if($Status eq 'Any') { $OpSel3 = ' selected'; } |
|
elsif($Status eq 'Expired' ) { $OpSel2 = ' selected'; } |
|
else { $OpSel1 = ' selected'; } |
|
|
|
my $Ptr = ''; |
|
$Ptr .= '<tr><td align="right"><b>Student Status:</b></td>'."\n"; |
|
$Ptr .= '<td align="left"><select name="Status">'; |
|
$Ptr .= '<option'.$OpSel1.'>Active</option>'."\n"; |
|
$Ptr .= '<option'.$OpSel2.'>Expired</option>'."\n"; |
|
$Ptr .= '<option'.$OpSel3.'>Any</option>'."\n"; |
|
$Ptr .= '</select></td></tr>'."\n"; |
|
|
|
return $Ptr; |
|
} |
} |
|
|
sub AscendOrderOptions { |
|
my ($order)=@_; |
|
|
|
my $OpSel1 = ''; |
|
my $OpSel2 = ''; |
|
|
|
if($order eq 'Ascending') { |
# For loading the colored table for display or un-colored for print |
$OpSel1 = ' selected'; |
sub setbgcolor { |
|
my $PrintTable=shift; |
|
my %color; |
|
if ($PrintTable){ |
|
$color{"gb"}="#FFFFFF"; |
|
$color{"red"}="#FFFFFF"; |
|
$color{"yellow"}="#FFFFFF"; |
|
$color{"green"}="#FFFFFF"; |
|
$color{"purple"}="#FFFFFF"; |
} else { |
} else { |
$OpSel2 = ' selected'; |
$color{"gb"}="#DDFFFF"; |
|
$color{"red"}="#FFDDDD"; |
|
$color{"yellow"}="#EEFFCC"; |
|
$color{"green"}="#DDFFDD"; |
|
$color{"purple"}="#FFDDFF"; |
} |
} |
|
|
my $Ptr = ''; |
return \%color; |
$Ptr .= '<tr><td align="right"><b>Sorting Type:</b></td>'."\n"; |
|
$Ptr .= '<td align="left"><select name="Ascend">'."\n"; |
|
$Ptr .= '<option'.$OpSel1.'>Ascending</option>'."\n". |
|
'<option'.$OpSel2.'>Descending</option>'."\n"; |
|
$Ptr .= '</select></td></tr>'."\n"; |
|
|
|
return $Ptr; |
|
} |
} |
|
|
sub ProblemStatisticsButtons { |
sub ProblemStatisticsButtons { |
my ($displayFormat)=@_; |
my ($displayFormat)=@_; |
|
|
my $Ptr = '<tr><td></td><td align="left">'; |
my $Ptr = '<tr><td></td><td align="left">'; |
$Ptr .= '<input type=submit name="ProblemStatisticsRecalculate" '; |
|
$Ptr .= 'value="Recalculate Statistics"/>'."\n"; |
|
$Ptr .= ' '; |
|
$Ptr .= '<input type="submit" name="DoDiffGraph" '; |
$Ptr .= '<input type="submit" name="DoDiffGraph" '; |
$Ptr .= 'value="DoDiff Graph" />'."\n"; |
$Ptr .= 'value="DoDiff Graph" />'."\n"; |
$Ptr .= ' '; |
$Ptr .= ' '; |
Line 682 sub ProblemStatisticsButtons {
|
Line 726 sub ProblemStatisticsButtons {
|
$Ptr .= ' '; |
$Ptr .= ' '; |
$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 CSV Format" />'."\n"; |
|
} else { |
|
$Ptr .= 'value="Display Table Format" />'."\n"; |
$Ptr .= 'value="Display Table Format" />'."\n"; |
|
} else { |
|
$Ptr .= 'value="Display CSV Format" />'."\n"; |
} |
} |
$Ptr .= '</td></tr>'; |
$Ptr .= '</td></tr>'; |
|
|
Line 695 sub ProblemStatisticsLegend {
|
Line 739 sub ProblemStatisticsLegend {
|
my $Ptr = ''; |
my $Ptr = ''; |
$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 opened 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>Maximunm Number of Tries for solving the problem.'; |
$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 the 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.'; |
$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 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>%Wrng</b></td>'; |
$Ptr .= '<td>Percentage of students tried to solve the problem '; |
$Ptr .= '<td>Percentage of students tried to solve the problem '; |
$Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]'; |
$Ptr .= 'but 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. '; |
$Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]'; |
$Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>S.D.</b>:</td>'; |
$Ptr .= '<b>S.D.</b></td>'; |
$Ptr .= '<td>Standard Deviation of the tries. '; |
$Ptr .= '<td>Standard Deviation of the tries. '; |
$Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) '; |
$Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) '; |
$Ptr .= 'where Xi denotes every student\'s tries ]'; |
$Ptr .= 'where Xi denotes every student\'s tries ]'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Skew.</b>:</td>'; |
$Ptr .= '<b>Skew.</b></td>'; |
$Ptr .= '<td>Skewness of the students tries.'; |
$Ptr .= '<td>Skewness of the students tries.'; |
$Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]'; |
$Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$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 - '; |
$Ptr .= '<b>[Applied Criterion in %27 Upper Students - '; |
Line 749 sub ProblemStatisticsLegend {
|
Line 793 sub ProblemStatisticsLegend {
|
|
|
#------- Processing upperlist and lowerlist according to each problem |
#------- Processing upperlist and lowerlist according to each problem |
sub ProcessDiscriminant { |
sub ProcessDiscriminant { |
my ($List) = @_; |
my ($List,$r) = @_; |
my @sortedList = sort (@$List); |
my @sortedList = sort (@$List); |
my $Count = scalar @sortedList; |
my $Count = scalar @sortedList; |
my $Problem; |
my $Problem; |
Line 762 sub ProcessDiscriminant {
|
Line 806 sub ProcessDiscriminant {
|
my $nStudent=0; |
my $nStudent=0; |
my %Proc=undef; |
my %Proc=undef; |
while ($nIndex<$Count) { |
while ($nIndex<$Count) { |
|
# $r->print("<br> $nIndex) $sortedList[$nIndex]"); |
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
@Dis=split(/\+/,$tmp); |
@Dis=split(/\+/,$tmp); |
my $Temp = $Problem; |
my $Temp = $Problem; |
Line 773 sub ProcessDiscriminant {
|
Line 818 sub ProcessDiscriminant {
|
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]); |
@Dis=split(/\+/,$tmp); |
@Dis=split(/\+/,$tmp); |
} while ( $Problem eq $Temp && $nIndex < $Count ); |
} while ( $Problem eq $Temp && $nIndex < $Count ); |
# $Proc{$Temp}=($Sum1/$nStudent).':'.$nStudent; |
|
$Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent); |
$Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent); |
# $r->print("$nIndex) $Temp --> ($nStudent) $Proc{$Temp} <br>"); |
# $r->print("<br> $nIndex) $Temp --> ($nStudent) $Proc{$Temp}"); |
$Sum1=0; |
$Sum1=0; |
$Sum2=0; |
$Sum2=0; |
$nStudent=0; |
$nStudent=0; |
Line 786 sub ProcessDiscriminant {
|
Line 830 sub ProcessDiscriminant {
|
|
|
#------- Creating Discimination factor |
#------- Creating Discimination factor |
sub Discriminant { |
sub Discriminant { |
my ($discriminantFactor)=@_; |
my ($discriminant,$r)=@_; |
my @discriminantKeys=keys(%$discriminantFactor); |
my @discriminantKeys=keys(%$discriminant); |
my $Count = scalar @discriminantKeys; |
my $Count = scalar @discriminantKeys; |
|
|
my $UpCnt = int(0.27*$Count); |
my $UpCnt = int(0.27*$Count); |
Line 801 sub Discriminant {
|
Line 845 sub Discriminant {
|
$Count++; |
$Count++; |
if($low < $UpCnt || $Count > $up) { |
if($low < $UpCnt || $Count > $up) { |
$low++; |
$low++; |
my $str=$discriminantFactor->{$key}; |
my $str=$discriminant->{$key}; |
foreach(split(/\:/,$str)){ |
foreach(split(/\&/,$str)){ |
if($_) { |
if($_) { |
if($low<$UpCnt) { push(@LowList,$_); } |
if($low<$UpCnt) { push(@LowList,$_); } |
else { push(@UpList,$_); } |
else { push(@UpList,$_); } |
Line 810 sub Discriminant {
|
Line 854 sub Discriminant {
|
} |
} |
} |
} |
} |
} |
my %DisUp = &ProcessDiscriminant(\@UpList); |
my %DisUp = &ProcessDiscriminant(\@UpList,$r); |
my %DisLow = &ProcessDiscriminant(\@LowList); |
my %DisLow = &ProcessDiscriminant(\@LowList,$r); |
|
|
return (\%DisUp, \%DisLow); |
return (\%DisUp, \%DisLow); |
} |
} |
|
|
|
|
|
|
#---- END Problem Statistics Web Page ---------------------------------------- |
#---- END Problem Statistics Web Page ---------------------------------------- |
|
|
Line 824 sub Discriminant {
|
Line 866 sub Discriminant {
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
# ------------------------------------------- Prepare data for Graphical chart |
|
|
sub BuildDiffGraph { |
sub BuildGraphicChart { |
my ($r)=@_; |
my ($ylab,$r,$cacheDB)=@_; |
|
my %cache; |
my $graphData = &GetGraphData('DiffGraph', $r); |
|
return '<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'; |
|
} |
|
|
|
sub BuildWrongGraph { |
|
my ($r)=@_; |
|
|
|
my $graphData = &GetGraphData('WrongGraph', $r); |
|
return '<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />'; |
|
} |
|
|
|
|
|
sub GetGraphData { |
|
my ($ylab,$r,%GraphDat)=@_; |
|
my $Col; |
my $Col; |
my $data=''; |
my $data=''; |
my $count = 0; |
my $count = 0; |
my $Max = 0; |
my $Max = 0; |
|
|
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
|
return '<html><body>Unable to tie database.</body></html>'; |
|
} |
|
|
|
my $p_count = $cache{'ProblemCount'}; |
|
|
|
for ( my $k=0; $k<$p_count;$k++) { |
|
my @Temp=split(/\:/,$cache{'GraphGif:'.$k}); |
|
my $inf = $Temp[$Col]; |
|
if ( $Max < $inf ) {$Max = $inf;} |
|
$data .= $inf.','; |
|
$count++; |
|
} |
|
untie(%cache); |
|
# $r->print("<br>count=$p_count >>data= $data"); |
|
|
|
if ( $Max > 1 ) { |
|
$Max += (10 - $Max % 10); |
|
$Max = int($Max); |
|
} else { $Max = 1; } |
|
|
my $cid=$ENV{'request.course.id'}; |
my $cid=$ENV{'request.course.id'}; |
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
if ( $ylab eq 'DoDiff Graph' ) { |
foreach (keys %GraphDat) {delete $GraphDat{$_};} |
$ylab = 'Degree-of-Difficulty'; |
if (-e "$GraphDB") { |
$Col = 0; |
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
} else { |
if ( $ylab eq 'DoDiff Graph' ) { |
$ylab = 'Wrong-Percentage'; |
$ylab = 'Degree-of-Difficulty'; |
$Col = 1; |
$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"); |
|
} |
|
} |
} |
} |
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
my $GData=$Course.'&'.'Problems#'.'&'.$ylab.'&'. |
|
$Max.'&'.$count.'&'.$data; |
|
|
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
|
|
|
return; |
|
} |
|
|
1; |
1; |
__END__ |
__END__ |