'.$#Act); - for(my $n=0;$n<=$#Act;$n++){ - my ($res,$Degree)=split('@',$Act[$n]); - $DoDiff{$res}=$Degree; - } - - return \%DoDiff; -} - -sub LoadClassFile { - my $file="/home/minaeibi/class.txt"; - open(FILEID, "<$file"); - my $line; - my %Grade=(); - while ($line=
'.$LS[$n];} - for(my $n=0;$n<$cm;$n++){$Str .= '
'.$LM[$n];} - for(my $n=0;$n<$cf;$n++){$Str .= '
'.$LF[$n];} - - return $Str; -} - -sub ProcAct { - # return; - my ($Act,$Submit)=@_; - my @Act=split(/\@/,$Act); - @Act = sort(@Act); - - ##$r->print('
'.$#Act); - ##for(my $n=0;$n<=$#Act;$n++){ -## $r->print('
n='.$n.')'.$Act[$n]); -## } - -# my $Beg=$Act[0]; - my $Dif=$Submit-$Act[0]; - $Dif = ($Dif>0) ? ($Dif/3600) : 0; - -# $r->print('
Access Number = '.$#Act.'
Submit Time='.$Submit.'
First Access='.$Act[0].'
Last Access='.$Act[$#Act].'
Submit - First = '.$Dif.''); - - -#time spent for solving the problem -# $r->print('
Def'.($Act[$#Act-1]-$Act[0])); - - return $Dif; -} - -sub LoadActivityLog { -# my $CacheDB = "/home/minaeibi/act183.log.cache"; - my $CacheDB = "/home/httpd/perl/tmp/act183.log.cache"; - - my %Activity; - if (-e "$CacheDB") { - if (tie(%Activity,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { - return; - } - else { -# $r->print("Unable to tie log Cache hash to db file"); - } - } - else { - if (tie(%Activity,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { - foreach (keys %Activity) {delete $Activity{$_};} - &Build_log(\%Activity); - } - else { -# $r->print("Unable to tie log Build hash to db file"); - } - } - return \%Activity; } -sub Build_log { - my ($Activity)=@_; - my $file="/home/minaeibi/act183.log"; - open(FILEID, "<$file"); - my $line; - my $count=0; - while ($line=
'.$time.':'.$who.'---'.$res); - &Update_PrgInit($count); - - } - } - } - -# my $c=1; -# foreach (sort keys %Activity) { -# $r->print('
'.$c.')'.$_.' ... '.$Activity{$_}); -# $c++; -# } - -} - -sub Activity { - my $file="/home/minaeibi/activity.log"; - my $userid='adamsde1'; -# $r->print("
Using $file"); -# $r->rflush(); - open(FILEID, "<$file"); - my $line; - my @allaccess; - my $Count=0; - while ($line=
$Count) ".localtime($date).": $who --> $res"); -# if ($post) { -# $Count++; -# $r->print("
$Count) Sent data ".join(':', -# &Apache::lonnet::unescape(@posts)).''); -# } -###888 $r->rflush(); - } - #push (@allaccess,unescape($access)); - #print $machine; - } - } -# @allaccess=sort(@allaccess); -# $Count=0; -# foreach my $access (@allaccess) { -# my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access); -# $Count++; -# $r->print("
$Count) $date: $who --> $resource"); -# $r->rflush(); -# if ($post) { -# $r->print("
Sent data ".join(':',unescape(@posts)).''); -# } -# } -} - -#---- END Activity log --------------------------------------------------- #---- Problem Statistics Web Page --------------------------------------- -#------- Processing upperlist and lowerlist according to each problem -sub ProcessDiscriminant { - my ($List) = @_; - 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<$Count) { - ($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).':'.$nStudent; - $Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent); -# $r->print("$nIndex) $Temp --> ($nStudent) $Proc{$Temp}
"); - $Sum1=0; - $Sum2=0; - $nStudent=0; - } - return %Proc; -} - -#------- Creating Discimination factor -sub Discriminant { - my ($discriminantFactor)=@_; - my @discriminantKeys=keys(%$discriminantFactor); - 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 $str=$discriminantFactor->{$key}; - foreach(split(/\:/,$str)){ - if($_) { - if($low<$UpCnt) { push(@LowList,$_); } - else { push(@UpList,$_); } - } - } - } - } - my %DisUp = &ProcessDiscriminant(\@UpList); - my %DisLow = &ProcessDiscriminant(\@LowList); - - return (\%DisUp, \%DisLow); -} - - sub NumericSort { $a <=> $b; } @@ -428,12 +145,9 @@ sub CloseTable { # ------ Dump the Student's DB file and handling the data for statistics table sub ExtractStudentData { - my ($cache,$name,$list,$Discuss,$r)=@_; - my %discriminantFactor; - + my ($cache,$name,$list,$Discuss,$r,$discriminant)=@_; my $totalTries = 0; my $totalAwarded = 0; - my $tempProblemOrder=0; my $spent=0; my $spent_yes=0; my $TotDiscuss=0; @@ -443,23 +157,28 @@ sub ExtractStudentData { my $TotFirst = 0; my $TimeTot = 0; my $Discussed=0; + my $discrim=''; + my $tempSequenceOrder=100; -$Apache::lonxml::debug=1; +#$Apache::lonxml::debug=1; #&Apache::lonhomework::showhash(%$cache); -$Apache::lonxml::debug=0; +#$Apache::lonxml::debug=0; foreach my $sequence (split(':', $cache->{'orderedSequences'})) { + my $tempProblemOrder=100; + $tempSequenceOrder++; # if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && # $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { - $r->print("
$name --- $sequence"); - $r->print("
".$cache->{$sequence.':title'}); +# $r->print("
sequences=$cache->{'orderedSequences'}"); +# $r->print("
".$cache->{$sequence.':title'}); # next; # } - my $Dis = ''; + #$discrim .= '&'; foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { +# $r->print("
problems=$cache->{$sequence.':problems'}"); my $problem = $cache->{$problemID.':problem'}; - $r->print("
$problemID === $problem"); +# $r->print("
$problemID === $problem"); my $LatestVersion = $cache->{$name.':version:'.$problem}; # Output dashes for all the parts of this problem if there # is no version information about the current problem. @@ -474,12 +193,17 @@ $Apache::lonxml::debug=0; #} my %partData=undef; + $partData{'count'}=0; # Initialize part data, display skips correctly # Skip refers to when a student made no submissions on that # part/problem. foreach my $part (split(/\:/,$cache->{$sequence.':'. $problemID. ':parts'})) { + $tempProblemOrder++; + $partData{'count'}++; +# $r->print("
parts=$cache->{$sequence.':'.$problemID.':parts'}"); + $partData{$part.':order'}=$tempProblemOrder; $partData{$part.':tries'}=0; $partData{$part.':code'}='-'; } @@ -502,15 +226,14 @@ $Apache::lonxml::debug=0; my $time=0; my $awarded=0; $Discussed=0; - my $code='U'; + my $code='-'; - $awarded = $cache->{$name. - "$Version:$problem:resource.". + $awarded = $cache->{"$name:$Version:$problem:resource.". "$part.awarded"}; $partData{$part.':awarded'} = ($awarded) ? $awarded : 0; $totalAwarded += $awarded; - $tries = $cache->{$name.":$Version:$problem". + $tries = $cache->{"$name:$Version:$problem". ":resource.$part.tries"}; $partData{$part.':tries'} = ($tries) ? $tries : 0; $partData{$part.':wrong'} = $partData{$part.':tries'}; @@ -531,27 +254,36 @@ $Apache::lonxml::debug=0; } } +#$Apache::lonxml::debug=1; +#&Apache::lonhomework::showhash(%partData); +#$Apache::lonxml::debug=0; + # Loop through all the parts for the current problem in the # 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 $ptr = $tempProblemOrder.'&'.$problemID; + my $pOrder=$partData{$_.':order'}; + my $ptr = $tempSequenceOrder.':'.$pOrder.':'.$problemID; - if($_ > 1) { + if($partData{'count'} > 1) { $ptr .= "*(part $_)"; - $Dis .= '&'; } + #if($partCounter > 1) { + $discrim .= '&'; + #} my ($pr_no,$dod)=split('&',$ptr); # my $DoDiff=$DoDiff->{$dod}; # $r->print('
'.$name.'---'.$ptr.'==='.$DoDiff); - my $Fac = ($partData{$_.':Tries'}) ? + my $Fac = ($partData{$_.':tries'}) ? ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; my $DisF; if($Fac > 0 && $Fac < 1) { @@ -565,18 +297,18 @@ $Apache::lonxml::debug=0; $Discussed=1; } my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"}; - $Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes; - $ptr .= '&'.$partData{$_.'.tries'}. - '&'.$partData{$_.'.wrongs'}. - '&'.$partData{$_.'.code'}; + $discrim .= $tempSequenceOrder.'@'.$pOrder.'='.$DisF.'+'.$Yes; + $ptr .= '&'.$partData{$_.':tries'}. + '&'.$partData{$_.':wrong'}. + '&'.$partData{$_.':code'}; push (@$list, $ptr."&$Discussed"); - $r->print('
'.$name.'---'.$ptr); +# $r->print('
'.$_.$name.'---'.$ptr); #### if ($DoDiff>0.85) { $TimeTot += $time; - if ($Yes==1 && $partData{$_.'.Tries'}==1) { + if ($Yes==1 && $partData{$_.':tries'}==1) { $TotFirst++; } # my $Acts= $Activity->{$name.':'.$problem}; @@ -595,21 +327,18 @@ $Apache::lonxml::debug=0; $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; - } } - - return (\%discriminantFactor); + 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 ); + $pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'. + $totalTries.':'.$ProbSolved.':'.$TotFirst.':'. + $TS_yes.':'.$TS.':'.$TotDiscuss; + (%$discriminant)->{$pstr}=$discrim; + } } @@ -628,7 +357,9 @@ sub MySort { 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 # my $file="/home/httpd/perl/tmp/183d.txt"; @@ -641,39 +372,28 @@ sub BuildStatisticsTable { ## 'Loading Discussion...";'); ## my ($doDiffFile) = &LoadDoDiffFile(); +##777777 +## $Str .= &Classify($discriminantFactor, $students); + my $p_count = 0; - my $nIndex = 0; my $dummy; my $p_val; my $ResId; my %GraphDat; - my $NoElements = scalar @$list; - + my $cIdx=0; foreach my $sequence (split(':', $cache->{'orderedSequences'})) { - &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, - $cache->{$sequence.':source'}, - $cache->{$sequence.':title'}, + &CreateProblemStatisticsTableHeading(1,$cache->{$sequence.':source'}, + $cache->{$sequence.':title'}, $headings,$r); - - foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { - my $problem = $cache->{$problemID.':problem'}; - $r->print("
$problem"); - - } - } -} -=pod -##777777 -## $Str .= &Classify($discriminantFactor, $students); - - - my ($Hid,$pr)=split(/\:/,$mapsort{$_}); - my @lpr=split(/\&/,$pr); - for (my $i=1; $i<=$#lpr; $i++) { + my ($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/, + $List[$cIdx]); + my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar); + $sequence+=100; + while ($SqOrd==$sequence && $cIdx<$NoElements) { my %storestats=(); - my ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]); + my $pOrd=$PrOrd; my $Temp = $Prob; my $MxTries = 0; my $TotalTries = 0; @@ -683,9 +403,9 @@ sub BuildStatisticsTable { my $StdNo = 0; my $DiscNo=0; my @StdLst; - while ( $PrOrd == $lpr[$i] ) + while ($pOrd==$PrOrd && $cIdx<$NoElements) { - $nIndex++; + $cIdx++; $StdNo++; $StdLst[ $StdNo ] = $Tries; $TotalTries += $Tries; @@ -693,16 +413,19 @@ sub BuildStatisticsTable { if ( $Code eq 'C' ){ $YES++; } elsif( $Code eq 'I' ) { $Incorrect++; } elsif( $Code eq 'O' ) { $Override++; } - elsif( $Code eq 'U' ) { $StdNo--; } - ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]); - } + 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); - $Temp = ''.$cache->{'title_'.$ResId}.$Dummy.''; +###################### + $Temp = ''.$cache->{$ResId.':title'}.$Dummy.''; my $res = &Apache::lonnet::declutter($cache->{'src_'.$ResId}); my $urlres=$res; @@ -710,14 +433,15 @@ sub BuildStatisticsTable { $ResId=~/(\d+)\.(\d+)/; my $Map = &Apache::lonnet::declutter( $cache->{'map_id_'.$1} ); $urlres=$Map; - - $res = ''.$res.''; +####################### + +# $res = ''.$res.''; #$Map = ''.$res.''; #------------------------ 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.'___timestamp'}=time; $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; @@ -757,8 +481,9 @@ sub BuildStatisticsTable { } #--------------------- Compute the Discrimination Factors - my ($Up1,$Up2)=split(/\:/,':');#jason$DisUp->{$lpr[$i]}); - my ($Lw1,$Lw2)=split(/\:/,':');#jason$DisLow->{$lpr[$i]}); + my ($Up1,$Up2)=split(/\:/,$upper->{$sequence.'@'.$pOrd}); + my ($Lw1,$Lw2)=split(/\:/,$lower->{$sequence.'@'.$pOrd}); + my $Dis1 = $Up1 - $Lw1; my $Dis2 = $Up2 - $Lw2; my $_D1 = sprintf("%.2f", $Dis1); @@ -770,7 +495,7 @@ sub BuildStatisticsTable { my $SD = sprintf( "%.1f", $StdDev ); my $DoD = sprintf( "%.2f", $DoDiff ); my $Sk = sprintf( "%.1f", $Skewness ); - my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'. + my $join = $Prob.'&'.$Temp.'&'.$StdNo.'&'. $TotalTries.'&'.$MxTries.'&'.$Avg.'&'. $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. @@ -787,16 +512,15 @@ sub BuildStatisticsTable { &Apache::lonnet::put('resevaldata',\%storestats,$1,$2); } #-------------------------------- Row of statistical table - &TableRow($cache,$join,$i,($p_count-1),$r,\%color,\%GraphDat); + &TableRow($cache,$join,$cIdx,($p_count-1),$r,$color,\%GraphDat); } &CloseTable($cache,$r); } - &Close_PrgWin(); +### &Close_PrgWin(); #666666 # close( OUT ); #666666 } -=cut =pod sub Cache_Statistics { @@ -833,7 +557,7 @@ sub Cache_Statistics { for (my $i=1; $i<=$#lpr; $i++) { my($Pre, $Post) = split(/\@/,$list[$nIndex]); #$r->print('
'.$Pre.'---'.$Post); - &TableRow($cache,$Post,$i,$nIndex,\%color,\%GraphDat); + &TableRow($cache,$Post,$i,$nIndex,$color,\%GraphDat); $nIndex++; } &CloseTable($cache); @@ -843,7 +567,7 @@ sub Cache_Statistics { &CreateProblemStatisticsTableHeading($cache,0); for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { my($Pre, $Post) = split(/\@/,$list[$nIndex]); - &TableRow($cache,$Post,$nIndex,$nIndex,\%color,\%GraphDat); + &TableRow($cache,$Post,$nIndex,$nIndex,$color,\%GraphDat); } &CloseTable($cache); } @@ -854,6 +578,7 @@ sub TableRow { my ($cache,$Str,$Idx,$RealIdx,$r,$color,$GraphDat)=@_; my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str); +# $r->print('
'.$Str); if ($ENV{'form.showcsv'}) { my ($ResId,$Dummy)=split(/\*/,$Prob); my $Ptr = "\n".'
'. @@ -896,9 +621,32 @@ sub TableRow { "\n".'
| '; - $Ptr .= '#Stdnts: | '; + $Ptr .= '#Stdnts'; $Ptr .= 'Total Number of Students opened the problem.'; $Ptr .= ' |
| '; - $Ptr .= 'Tries: | '; + $Ptr .= 'Tries'; $Ptr .= 'Total Number of Tries for solving the problem.'; $Ptr .= ' |
| '; - $Ptr .= 'Mod: | '; + $Ptr .= 'Mod'; $Ptr .= 'Maximunm Number of Tries for solving the problem.'; $Ptr .= ' |
| '; - $Ptr .= 'Mean: | '; + $Ptr .= 'Mean'; $Ptr .= 'Average Number of the tries. [ Tries / #Stdnts ]'; $Ptr .= ' |
| '; - $Ptr .= '#YES: | '; + $Ptr .= '#YES'; $Ptr .= 'Number of students solved the problem correctly.'; $Ptr .= ' |
| '; - $Ptr .= '#yes: | '; + $Ptr .= '#yes'; $Ptr .= 'Number of students solved the problem by override.'; $Ptr .= ' |
| '; - $Ptr .= '%Wrng: | '; + $Ptr .= '%Wrng'; $Ptr .= 'Percentage of students tried to solve the problem '; $Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]'; $Ptr .= ' |
| '; - $Ptr .= 'DoDiff: | '; + $Ptr .= 'DoDiff'; $Ptr .= 'Degree of Difficulty of the problem. '; $Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]'; $Ptr .= ' |
| '; - $Ptr .= 'S.D.: | '; + $Ptr .= 'S.D.'; $Ptr .= 'Standard Deviation of the tries. '; $Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) '; $Ptr .= 'where Xi denotes every student\'s tries ]'; $Ptr .= ' |
| '; - $Ptr .= 'Skew.: | '; + $Ptr .= 'Skew.'; $Ptr .= 'Skewness of the students tries.'; $Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]'; $Ptr .= ' |
| '; - $Ptr .= 'Dis.F.: | '; + $Ptr .= 'Dis.F.'; $Ptr .= 'Discrimination Factor: A Standard for evaluating the ';
$Ptr .= 'problem according to a Criterion '; $Ptr .= '[Applied Criterion in %27 Upper Students - '; @@ -1024,12 +772,101 @@ sub ProblemStatisticsLegend { 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(" $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(" $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,$r); + + return (\%DisUp, \%DisLow); +} + + + #---- END Problem Statistics Web Page ---------------------------------------- #---- Problem Statistics Graph Web Page -------------------------------------- # ------------------------------------------- Prepare data for Graphical chart +sub BuildDiffGraph { + my ($r)=@_; + + my $graphData = &GetGraphData('DiffGraph', $r); + return '  ';
+}
+
+sub BuildWrongGraph {
+ my ($r)=@_;
+
+ my $graphData = &GetGraphData('WrongGraph', $r);
+ return '';
+}
+
+
sub GetGraphData {
my ($ylab,$r,%GraphDat)=@_;
my $Col;
@@ -1073,5 +910,7 @@ sub GetGraphData {
}
}
}
+
+
1;
__END__
|