--- loncom/interface/statistics/lonproblemstatistics.pm 2002/07/29 22:01:11 1.6
+++ loncom/interface/statistics/lonproblemstatistics.pm 2002/08/05 18:10:08 1.12
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# (Publication Handler
#
-# $Id: lonproblemstatistics.pm,v 1.6 2002/07/29 22:01:11 minaeibi Exp $
+# $Id: lonproblemstatistics.pm,v 1.12 2002/08/05 18:10:08 minaeibi Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -31,7 +31,7 @@
# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
# 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
-# 5/12,5/14,5/15,5/19,5/26,7/16,7/25,7/29 Behrouz Minaei
+# 5/12,5/14,5/15,5/19,5/26,7/16,7/25,7/29,8/5 Behrouz Minaei
#
###
@@ -56,9 +56,16 @@ sub BuildProblemStatisticsPage {
$Ptr .= '
';
$Ptr .= 'Select Map | '."\n";
$Ptr .= '';
- $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics');
+ $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics',
+ 'Statistics');
+ $Ptr .= ' |
'."\n";
+ $Ptr .= 'Sorting Type: | '."\n";
+ $Ptr .= ''."\n";
+ $Ptr .= &Apache::lonhtmlcommon::AscendOrderOptions(
+ $cache{'ProblemStatisticsAscend'},
+ 'ProblemStatistics',
+ 'Statistics');
$Ptr .= ' |
'."\n";
- $Ptr .= &AscendOrderOptions($cache{'Ascend'});
$Ptr .= &ProblemStatisticsButtons($cache{'DisplayFormat'});
$Ptr .= '
';
$Ptr .= &ProblemStatisticsLegend();
@@ -80,24 +87,53 @@ sub BuildProblemStatisticsPage {
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
return 'Unable to tie database.';
}
- my %discriminant=();
- my @list=();
- my %Discuss=&Apache::loncoursedata::LoadDiscussion($courseID);
- my $index=0;
- foreach (@$students) {
- $index++;
- #&Apache::lonstatistics::Update_PrgWin(++$index,$r);
- &ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r, \%discriminant);
- }
- #&Apache::lonstatistics::Close_PrgWin($r);
-
- my ($upper, $lower) = &Discriminant(\%discriminant);
+
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
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.");
my $color=&setbgcolor(0);
- my %GraphDat= &BuildStatisticsTable(\%cache, \%discriminant, \@list,
- \%Header, $students, $r, $color);
+
+ my $state=$ENV{'form.ProblemStatisticsHeading'};
+
+# my $state=&Apache::lonstatistics::CheckFormElement(\%cache,
+# 'ProblemStatisticsHeading',
+# 'ProblemStatisticsHeading',
+# 'Homework Sets Order');
+ $r->print("
state=".$state);
+
+ 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) {
+ $index++;
+ #&Apache::lonstatistics::Update_PrgWin(++$index,$r);
+ &ExtractStudentData(\%cache, $_, \@list,\%Discuss, $r,
+ \%discriminant);
+ }
+ #&Apache::lonstatistics::Close_PrgWin($r);
+ my ($upper, $lower) = &Discriminant(\%discriminant,$r);
+ $TempCache= &BuildStatisticsTable(\%cache, $upper, $lower,
+ \@list, \%Header, $students,
+ $r, $color);
+ }
+ untie(%cache);
+
+ foreach (keys %$TempCache) {
+ last if ($c->aborted());
+ if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
+ $cache{$_}=$TempCache->{$_};
+
+ untie(%cache);
+ }
+ }
+ if($c->aborted()) { return; }
untie(%cache);
}
@@ -157,6 +193,7 @@ sub ExtractStudentData {
my $TotFirst = 0;
my $TimeTot = 0;
my $Discussed=0;
+ my $discrim='';
my $tempSequenceOrder=100;
#$Apache::lonxml::debug=1;
@@ -165,15 +202,15 @@ sub ExtractStudentData {
foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
my $tempProblemOrder=100;
- $tempSequenceOrder++;
-# if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
-# $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
+ if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' &&
+ $cache->{'ProblemStatisticsMaps'} ne $cache->{$sequence.':title'}) {
# $r->print("
sequences=$cache->{'orderedSequences'}");
# $r->print("
".$cache->{$sequence.':title'});
-# next;
-# }
+ next;
+ }
+ $tempSequenceOrder++;
- my $Dis = '';
+ #$discrim .= '&';
foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
# $r->print("
problems=$cache->{$sequence.':problems'}");
my $problem = $cache->{$problemID.':problem'};
@@ -192,6 +229,7 @@ sub ExtractStudentData {
#}
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.
@@ -199,6 +237,7 @@ sub ExtractStudentData {
$problemID.
':parts'})) {
$tempProblemOrder++;
+ $partData{'count'}++;
# $r->print("
parts=$cache->{$sequence.':'.$problemID.':parts'}");
$partData{$part.':order'}=$tempProblemOrder;
$partData{$part.':tries'}=0;
@@ -225,13 +264,12 @@ sub ExtractStudentData {
$Discussed=0;
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'};
@@ -258,10 +296,10 @@ sub ExtractStudentData {
# 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'})) {
- #$r->print("
".$cache->{$sequence.':title'});
-
+ $partCounter++;
my $Yes = 0;
if($partData{$_.':code'} eq 'C' ||
$partData{$_.':code'} eq 'O') {
@@ -270,10 +308,12 @@ sub ExtractStudentData {
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};
@@ -293,7 +333,7 @@ sub ExtractStudentData {
$Discussed=1;
}
my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"};
- $Dis .= $tempSequenceOrder.'@'.$pOrder.'='.$DisF.'+'.$Yes;
+ $discrim .= $tempSequenceOrder.'@'.$pOrder.'='.$DisF.'+'.$Yes;
$ptr .= '&'.$partData{$_.':tries'}.
'&'.$partData{$_.':wrong'}.
'&'.$partData{$_.':code'};
@@ -323,41 +363,41 @@ sub ExtractStudentData {
$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.':'.$TotDiscuss;
- (%$discriminant)->{$pstr}=$Dis;
- }
+ }
+ 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;
}
}
-=pod
-sub MySort {
- if ( $Pos > 0 ) {
+
+sub MySort {
+ my $pos=shift;
+ if ( $pos > 0 ) {
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;}
else { $a <=> $b; }
}
else {
- if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;}
- else { $a cmp $b; }
+# if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;}
+# else { $a cmp $b; }
+ $a cmp $b;
}
}
-=cut
-sub BuildStatisticsTable {
- my ($cache,$discriminantFactor,$list,$headings,$students,$r,$color)=@_;
+sub BuildStatisticsTable {
+ my ($cache,$upper,$lower,$list,$headings,$students,$r,$color)=@_;
my $NoElements = scalar @$list;
- my @List=sort(@$list);
+ my @list=sort(@$list);
#6666666
# my $file="/home/httpd/perl/tmp/183d.txt";
@@ -377,18 +417,20 @@ sub BuildStatisticsTable {
my $dummy;
my $p_val;
my $ResId;
- my %GraphDat;
+ my %TempCache;
my $cIdx=0;
foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
-
- &CreateProblemStatisticsTableHeading(1,$cache->{$sequence.':source'},
+ if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' &&
+ $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]);
-
+ $list[$cIdx]);
my ($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar);
$sequence+=100;
while ($SqOrd==$sequence && $cIdx<$NoElements) {
@@ -415,7 +457,7 @@ sub BuildStatisticsTable {
elsif( $Code eq 'O' ) { $Override++; }
elsif( $Code eq '-' ) { $StdNo--; }
($tar,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,
- $List[$cIdx]);
+ $list[$cIdx]);
($SqOrd,$PrOrd,$Prob)=split(/\:/,$tar);
}
@@ -427,7 +469,11 @@ sub BuildStatisticsTable {
$Temp = ''.$cache->{$ResId.':title'}.$Dummy.'';
- my $res = &Apache::lonnet::declutter($cache->{'src_'.$ResId});
+ #$r->print('
rid='.$ResId);
+ #$r->print('
src='.$cache->{$ResId.':source'});
+ #$r->print('
tit='.$cache->{$ResId.':title'});
+
+ my $res = &Apache::lonnet::declutter($cache->{$ResId.':source'});
my $urlres=$res;
$ResId=~/(\d+)\.(\d+)/;
@@ -435,7 +481,7 @@ sub BuildStatisticsTable {
$urlres=$Map;
#######################
-# $res = ''.$res.'';
+# $res = ''.$res.'';
#$Map = ''.$res.'';
#------------------------ Compute the Average of Tries about one problem
@@ -481,8 +527,9 @@ 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);
@@ -494,12 +541,14 @@ sub BuildStatisticsTable {
my $SD = sprintf( "%.1f", $StdDev );
my $DoD = sprintf( "%.2f", $DoDiff );
my $Sk = sprintf( "%.1f", $Skewness );
- my $join = $Prob.'&'.$Temp.'&'.$StdNo.'&'.
+ my $join = $sequence.'@'.$pOrd.'&'.$Temp.'&'.$StdNo.'&'.
$TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.
$DiscNo.'&'.$Prob;
-##8888 $CachData{($p_count-1)}=$join;
+
+#####{$sequence.'@'.$pOrd}
+ $TempCache{'CacheTable:'.($p_count-1)}=$join;
#6666666
# $r->print('
'.$out.'&'.$DoD);
@@ -511,47 +560,72 @@ sub BuildStatisticsTable {
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2);
}
#-------------------------------- Row of statistical table
- &TableRow($cache,$join,$cIdx,($p_count-1),$r,$color,\%GraphDat);
+ &TableRow($cache,$join,$cIdx,($p_count-1),$r,$color,
+ \%TempCache);
}
+ $TempCache{'ProblemCount'}=$p_count;
&CloseTable($cache,$r);
}
### &Close_PrgWin();
#666666
# close( OUT );
#666666
+ return \%TempCache;
}
-=pod
-sub Cache_Statistics {
- my ($cache,$color)=@_;
+
+sub CacheStatisticsTable {
+ my ($state,$cache,$Header,$r,$color)=@_;
my @list = ();
my $Useful;
- my $UnUseful;
-# $r->print(''."\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]);
+ my $UnUseful;
+ my %TempCache;
+ my %myHeader = reverse( %$Header );
+ 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);
+ if ( $pos == 0 ) {
+ ($UnUseful,$Useful)=split(/\>/,$Temp[$pos]);
}
else {
- $Useful = $Temp[$Pos];
+ $Useful = $Temp[$pos];
}
- $list[$p_count]=$Useful.'@'.$CachData{$key};
- $p_count++;
+ $list[$k]=$Useful.'@'.$key;
+ $r->print('
'.$list[$k]);
}
+
@list = sort MySort (@list);
my $nIndex=0;
+ return \%TempCache;
+}
+
+
+=pod
+
if ( $Pos == 0 ) {
- foreach (sort keys %mapsort) {
- my ($Hid,$pr)=split(/\:/,$mapsort{$_});
- &CreateProblemStatisticsTableHeading($cache,1,$Hid);
+ foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
+ if($cache->{'ProblemStatisticsMaps'} ne 'All Maps' &&
+ $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 @lpr=split(/\&/,$pr);
for (my $i=1; $i<=$#lpr; $i++) {
my($Pre, $Post) = split(/\@/,$list[$nIndex]);
@@ -563,64 +637,70 @@ sub Cache_Statistics {
}
}
else {
- &CreateProblemStatisticsTableHeading($cache,0);
+ &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'},
+ $cache->{$sequence.':source'},
+ $cache->{$sequence.':title'},
+ $headings,$r);
for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) {
my($Pre, $Post) = split(/\@/,$list[$nIndex]);
&TableRow($cache,$Post,$nIndex,$nIndex,$color,\%GraphDat);
}
&CloseTable($cache);
}
+
+ return \%TempCache;
}
-=cut
+
+=cut
+
sub TableRow {
my ($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 $Ptr;
+ if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
my ($ResId,$Dummy)=split(/\*/,$Prob);
- my $Ptr = "\n".'
'.
- "\n".'"'.($RealIdx+1).'",'.
- "\n".'"'.$cache->{'title_'.$ResId}.$Dummy.'",'.
- "\n".'"'.$cache->{'src_'.$ResId}.'",'.
- "\n".'"'.$StdNo.'",'.
- "\n".'"'.$TotalTries.'",'.
- "\n".'"'.$MxTries.'",'.
- "\n".'"'.$Avg.'",'.
- "\n".'"'.$YES.'",'.
- "\n".'"'.$Override.'",'.
- "\n".'"'.$Wrng.'",'.
- "\n".'"'.$DoD.'",'.
- "\n".'"'.$SD.'",'.
- "\n".'"'.$Sk.'",'.
- "\n".'"'.$_D1.'",'.
- "\n".'"'.$_D2.'"'.
- "\n".'"'.$DiscNo.'"';
+ $Ptr="\n".'
'.
+ "\n".'"'.($RealIdx+1).'",'.
+ "\n".'"'.$cache->{$ResId.':title'}.$Dummy.'",'.
+ "\n".'"'.$cache->{$ResId.':source'}.'",'.
+ "\n".'"'.$StdNo.'",'.
+ "\n".'"'.$TotalTries.'",'.
+ "\n".'"'.$MxTries.'",'.
+ "\n".'"'.$Avg.'",'.
+ "\n".'"'.$YES.'",'.
+ "\n".'"'.$Override.'",'.
+ "\n".'"'.$Wrng.'",'.
+ "\n".'"'.$DoD.'",'.
+ "\n".'"'.$SD.'",'.
+ "\n".'"'.$Sk.'",'.
+ "\n".'"'.$_D1.'",'.
+ "\n".'"'.$_D2.'"'.
+ "\n".'"'.$DiscNo.'"';
$r->print("\n".$Ptr);
- }
- else{
- my $Ptr = "\n".''.
- "\n".''.($RealIdx+1).' | '.
- # "\n".''.$PrOrd.$Temp.' | '.
- "\n".''.$Temp.' | '.
- "\n".' '.$StdNo.' | '.
- "\n".''.$TotalTries.' | '.
- "\n".''.$MxTries.' | '.
- "\n".''.$Avg.' | '.
- "\n".' '.$YES.' | '.
- "\n".' '.$Override.' | '.
- "\n".' '.$Wrng.' | '.
- "\n".' '.$DoD.' | '.
- "\n".' '.$SD.' | '.
- "\n".' '.$Sk.' | '.
- "\n".' '.$_D1.' | '.
- "\n".' '.$_D2.' | '.
- "\n".' '.$DiscNo.' | ';
+ } else {
+ $Ptr="\n".'
'.
+ "\n".''.($RealIdx+1).' | '.
+ # "\n".''.$PrOrd.$Temp.' | '.
+ "\n".''.$Temp.' | '.
+ "\n".' '.$StdNo.' | '.
+ "\n".''.$TotalTries.' | '.
+ "\n".''.$MxTries.' | '.
+ "\n".''.$Avg.' | '.
+ "\n".' '.$YES.' | '.
+ "\n".' '.$Override.' | '.
+ "\n".' '.$Wrng.' | '.
+ "\n".' '.$DoD.' | '.
+ "\n".' '.$SD.' | '.
+ "\n".' '.$Sk.' | '.
+ "\n".' '.$_D1.' | '.
+ "\n".' '.$_D2.' | '.
+ "\n".' '.$DiscNo.' | ';
$r->print("\n".$Ptr.'
' );
}
-# $GraphDat->{$RealIdx}=$DoD.':'.$Wrng;
+ $GraphDat->{'graph_gif:'.$RealIdx}=$DoD.':'.$Wrng;
}
@@ -645,59 +725,10 @@ sub setbgcolor {
return \%color;
}
-
-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 .= 'Student Status: | '."\n";
- $Ptr .= ' |
'."\n";
-
- return $Ptr;
-}
-
-sub AscendOrderOptions {
- my ($order)=@_;
-
- my $OpSel1 = '';
- my $OpSel2 = '';
-
- if($order eq 'Ascending') {
- $OpSel1 = ' selected';
- } else {
- $OpSel2 = ' selected';
- }
-
- my $Ptr = '';
- $Ptr .= 'Sorting Type: | '."\n";
- $Ptr .= ' |
'."\n";
-
- return $Ptr;
-}
-
sub ProblemStatisticsButtons {
my ($displayFormat)=@_;
my $Ptr = ' | ';
- $Ptr .= 'print(" $nIndex) $sortedList[$nIndex]");
($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
@Dis=split(/\+/,$tmp);
my $Temp = $Problem;
@@ -797,9 +829,8 @@ sub ProcessDiscriminant {
($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} ");
+# $r->print(" $nIndex) $Temp --> ($nStudent) $Proc{$Temp}");
$Sum1=0;
$Sum2=0;
$nStudent=0;
@@ -810,8 +841,11 @@ sub ProcessDiscriminant {
#------- Creating Discimination factor
sub Discriminant {
- my ($discriminantFactor)=@_;
- my @discriminantKeys=keys(%$discriminantFactor);
+ my ($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);
@@ -825,8 +859,8 @@ sub Discriminant {
$Count++;
if($low < $UpCnt || $Count > $up) {
$low++;
- my $str=$discriminantFactor->{$key};
- foreach(split(/\:/,$str)){
+ my $str=$discriminant->{$key};
+ foreach(split(/\&/,$str)){
if($_) {
if($low<$UpCnt) { push(@LowList,$_); }
else { push(@UpList,$_); }
@@ -834,13 +868,11 @@ sub Discriminant {
}
}
}
- my %DisUp = &ProcessDiscriminant(\@UpList);
- my %DisLow = &ProcessDiscriminant(\@LowList);
+ my %DisUp = &ProcessDiscriminant(\@UpList,$r);
+ my %DisLow = &ProcessDiscriminant(\@LowList,$r);
return (\%DisUp, \%DisLow);
-}
-
-
+}
#---- END Problem Statistics Web Page ----------------------------------------
@@ -852,14 +884,18 @@ sub BuildDiffGraph {
my ($r)=@_;
my $graphData = &GetGraphData('DiffGraph', $r);
- return '';
+ $r->print('');
+
+ return;
}
sub BuildWrongGraph {
my ($r)=@_;
my $graphData = &GetGraphData('WrongGraph', $r);
- return '';
+ $r->print('');
+
+ return;
}
|