--- loncom/interface/lonstatistics.pm 2002/03/02 01:42:42 1.5 +++ loncom/interface/lonstatistics.pm 2002/03/26 18:11:32 1.14 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # (Publication Handler # -# $Id: lonstatistics.pm,v 1.5 2002/03/02 01:42:42 minaeibi Exp $ +# $Id: lonstatistics.pm,v 1.14 2002/03/26 18:11:32 minaeibi Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,9 +28,10 @@ # (Navigate problems for statistical reports # YEAR=2001 # 5/05,7/09,7/25/01,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei -# 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 -# 1/22, 2/1, 2/6, 2/25 Behrouz Minaei +# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26 Behrouz Minaei +# ### package Apache::lonstatistics; @@ -39,19 +40,23 @@ use strict; use Apache::Constants qw(:common :http); use Apache::lonnet(); use Apache::lonhomework; +use Apache::loncommon; use HTML::TokeParser; use GDBM_File; -#use Benchmark; # -------------------------------------------------------------- Module Globals my %hash; my %CachData; my %GraphDat; +my %OpResp; my %maps; my %mapsort; my %section; my %StuBox; my %DiscFac; +my %DisUp; +my %DisLow; +my $UpCnt; my $CurMap; my $CurSec; my $CurStu; @@ -65,7 +70,6 @@ my $OpSel1; my $OpSel2; my $OpSelDis1; my $OpSelDis2; -my $CurDis=0; my $OpSel3; my $OpSel4; my $GData; @@ -75,11 +79,80 @@ my $lastres; my $DiscFlag; my $HWN; my $P_Order; -my %Header = (0,"Homework Problems",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", - 9,"S.D.",10,"Skew.",11,"Map"); -# 11,"Dis.F.",12,"Resourse URL"); + 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");#,13,"OpResp"); + +#------- Processing upperlist and lowerlist according to each problem +sub ProcessDisc { + my @List = @_; + @List = sort (@List); + my $Count = $#List+1; + my $Prb; + my @Dis; + my $Slvd=0; + my $tmp; + my $Sum1=0; + my $Sum2=0; + my $nIdx=0; + my $nStud=0; + my %Proc; + undef %Proc; + while ($nIdx<$Count) { + ($Prb,$tmp)=split(/\=/,$List[$nIdx]); + @Dis=split(/\+/,$tmp); + my $Temp = $Prb; + do { + $nIdx++; + $nStud++; + $Sum1 += $Dis[0]; + $Sum2 += $Dis[1]; + ($Prb,$tmp)=split(/\=/,$List[$nIdx]); + @Dis=split(/\+/,$tmp); + } while ( $Prb eq $Temp && $nIdx < $Count ); +# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud; + $Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud); +# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp}
"); + $Sum1=0; + $Sum2=0; + $nStud=0; + } + return %Proc; +} + + +#------- Creating Discimination factor +sub Discriminant { + my $Count=0; + foreach (keys(%DiscFac)){ + $Count++; + } + $UpCnt = int(0.27*$Count); + my $low=0; + my $up=$Count-$UpCnt; + my @UpList=(); + my @LowList=(); + $Count=0; + foreach my $key (sort(keys(%DiscFac))){ + $Count++; + #$r->print("
$Count) $key = $DiscFac{$key}"); + if ($low < $UpCnt || $Count > $up) { + $low++; + my $str=$DiscFac{$key}; + foreach(split(/\:/,$str)){ + if ($_) { + if ($low<$UpCnt){push(@LowList,$_);} + else {push(@UpList,$_);} + } + } + } + } + %DisUp=&ProcessDisc(@UpList); + %DisLow=&ProcessDisc(@LowList); +} + + sub NumericSort { $a <=> $b; } @@ -92,9 +165,7 @@ sub StudentReport { Please select a student' ); return; } - my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); - my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); - my %result = (); + my %result = &Apache::lonnet::dump($cid,$sdom,$sname); my $ResId; my $PrOrd; my $Code; @@ -115,11 +186,8 @@ sub StudentReport { "\n".' Results '. "\n".' Tries '. "\n".''; - unless ($reply=~/^error\:/) { - foreach (split(/\&/,$reply)){ - my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); - $result{$name}=$value; - } + my ($temp)=keys(%result); + unless ($temp=~/^error\:/) { foreach my $CurCol (@cols) { if (!$CurCol){ my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); @@ -147,7 +215,7 @@ sub StudentReport { my $PartNo = 0; undef %TempHash; foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){ - if ($_=~/^stores\_(\d+)\_tries$/) { + if ($_=~/^stores\_(\w+)\_tries$/) { my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); if ( $TempHash{"$Part"} eq '' ) { $TempHash{"$Part"} = $Part; @@ -164,8 +232,7 @@ sub StudentReport { $Code='U'; $Tries = 0; $Wrongs = 0; - $LatestVersion = $result{"version:$Prob"}; - + $LatestVersion = $result{"version:$Prob"}; if ( $LatestVersion ) { for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { my $vkeys = $result{"$Version:keys:$Prob"}; @@ -189,7 +256,7 @@ sub StudentReport { $TempHash{"$Part.Wrongs"} = $Wrongs; } } - } + } for ( my $n = 0; $n < $PartNo; $n++ ) { my $part = $TempHash{$n}; if ($PtrTry ne '') {$PtrTry .= ',';} @@ -212,17 +279,18 @@ sub StudentReport { } sub CreateTable { + my $ColNo=0; + foreach (keys(%Header)){ + $ColNo++; + } my ($Hd, $Hid)=@_; if ( $Hd == 1 ) { -# $Hid=~/(\d+)\.(\d+)/; $r->print('
'.$hash{'title_'.$Hid}.'' -# .' ('.&Apache::lonnet::declutter($hash{'map_id_'.$1}).')' - ); + '" target="_blank">'.$hash{'title_'.$Hid}.''); } my $Result = "\n".''; $Result .= ''."\n"; - for ( my $nIdx=0; $nIdx < 11; $nIdx++ ) { + for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) { $Result .= ''."\n"; } @@ -242,11 +310,22 @@ sub PreStatTable { "_$ENV{'user.domain'}_$cid\_statistics.db"; my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". "_$ENV{'user.domain'}_$cid\_graph.db"; - my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". - "_$ENV{'user.domain'}_$cid\_DiscFactor.db"; - $r->print('
'); + my $OpSel11=''; + my $OpSel12=''; + my $OpSel13=''; + my $Status = $ENV{'form.status'}; + if ( $Status eq 'Any' ) { $OpSel13='selected'; } + elsif ($Status eq 'Expired' ) { $OpSel12 = 'selected'; } + else { $OpSel11 = 'selected'; } my $Ptr = ''; + $Ptr .= '
Student Status:   '."\n". + ' '."\n"; + $Ptr .= '   '; + $Ptr .= ''."\n"; $Ptr .= '
Sorting Type:   '."\n". ''."\n"; $Ptr .= '
'.
-    '  #Stdnts: Total Number of Students opened the problem.
'. 
-    '  Tries  : Total Number of Tries for solving the problem.
'. 
-    '  Mod    : Maximunm Number of Tries for solving the problem.
'. 
-    '  Mean   : Average Number of the tries. [ Tries / #Stdnts ]
'.
-    '  #YES   : Number of students solved the problem correctly.
'. 
-    '  #yes   : Number of students solved the problem by override.
'.
-    '  %Wrng  : Percentage of students tried to solve the problem but'.
+    '  #Stdnts: Total Number of Students opened the problem.
'. 
+    '  Tries  : Total Number of Tries for solving the problem.
'. 
+    '  Mod    : Maximunm Number of Tries for solving the problem.
'. 
+    '  Mean   : Average Number of the tries. [ Tries / #Stdnts ]
'.
+    '  #YES   : Number of students solved the problem correctly.
'. 
+    '  #yes   : Number of students solved the problem by override.
'.
+    '  %Wrng  : Percentage of students tried to solve the problem but'.
     ' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]
'.
-#    '  DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]
'.
-    '  DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]
'.
-    '  S.D.   : Standard Deviation of the tries.'.
+#    '  DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]
'. Kashy formula
+    '  DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]
'. #Gerd formula
+    '  S.D.   : Standard Deviation of the tries.'.
     '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
     ' where Xi denotes every student\'s tries ]
'.
-    '  Skew.  : Skewness of the students tries.'.
-    ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]
'.
-
-#    '  Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]'.	
+    '  Skew.  : Skewness of the students tries.'.
+	' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]
'.
+    '  Dis.F. : Discrimination Factor: A Standard for '.
+	'evaluating the problem according to a Criterion
'.
+	'           [Applied Criterion in %27 Upper Students - '.
+	'Applied the same Criterion in %27 Lower Students]
'.
+    '           1st Criterion for Sorting the Students: '.
+	'Sum of Partial Credit Awarded / Total Number of Tries
'.
+    '           2nd Criterion for Sorting the Students: '.
+	'Total number of Correct Answers / Total Number of Tries'.	
             '
'; $r->print($Ptr); @@ -290,7 +375,6 @@ sub PreStatTable { } else { if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { - tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); foreach (keys %DiscFac) {delete $CachData{$_};} foreach (keys %CachData) {delete $CachData{$_};} @@ -301,46 +385,73 @@ sub PreStatTable { $r->print("Unable to tie hash to db file"); } } + +#33333 +# my $c=0; +# foreach (sort keys %OpResp) { +# $r->print('
'.$c.$_.' ====== '.$OpResp{$_}); +# my $count=$#students+1; +# for (my $n=0;$n<1;$n++){ +# my ($sname,$sdom)=$students[$n]; +# my $Prob=$OpResp{$_}; +##my $userview=&Apache::lonnet::ssi($hash{'src_'.$ResId}); +# $r->print('
'.$Prob.$sname.$sdom.$cid. +# '
'.&Apache::loncommon::get_previous_attempt($Prob,$sname,$sdom,$cid)); +# #$r->print('
'.$Prob.$sname. ' *** '.&Apache::lonnet::ssi($hash{'src_'.$Prob})); +# } +# $c++; +# } + #$r->print('Total instances of the problems : '.($p_count*($#students+1))); untie(%CachData); untie(%GraphDat); - untie(%DiscFac); } # ------------------------------------- Find the section of student in a course sub usection { - my ($udom,$unam,$courseid)=@_; + my ($udom,$unam,$courseid,$ActiveFlag)=@_; $courseid=~s/\_/\//g; $courseid=~s/^(\w)/\/$1/; - map { + foreach (split(/\&/,&Apache::lonnet::reply('dump:'. + $udom.':'.$unam.':roles', + &Apache::lonnet::homeserver($unam,$udom)))){ my ($key,$value)=split(/\=/,$_); $key=&Apache::lonnet::unescape($key); if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { my $section=$1; if ($key eq $courseid.'_st') { $section=''; } my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value)); - $section=($section) ? $section : '(none)'; -# $section=(int($section)) ? int($section) : $section; -# $r->print($unam.'...'.$section.'
'); + if ( $ActiveFlag ne 'Any' ) { + my $now=time; + my $notactive=0; + if ($start) { + if ($now<$start) { $notactive=1; } + } + if ($end) { + if ($now>$end) { $notactive=1; } + } + if ((($ActiveFlag eq 'Expired') && $notactive == 1) || + (($ActiveFlag eq 'Active') && $notactive == 0 ) ) { + return $section; + } + else { return '-1'; } + } return $section; } - } split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles', - &Apache::lonnet::homeserver($unam,$udom))); - return ''; + } + return '-1'; } # ------ Dump the Student's DB file and handling the data for statistics table sub ExtractStudentData { - my ($student,$coid)=@_; + my $student=shift; my ($sname,$sdom) = split( /\:/, $student ); - my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); - my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); - my %result = (); + my %result = &Apache::lonnet::dump($cid,$sdom,$sname); my $ResId; my $PrOrd; my $Dis = ''; @@ -359,11 +470,8 @@ sub ExtractStudentData { my $LatestVersion; my $SecLimit; my $MapLimit; - unless ($reply=~/^error\:/) { - foreach (split(/\&/,$reply)) { - my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); - $result{$name}=$value; - } + my ($temp)=keys(%result); + unless ($temp=~/^error\:/) { foreach my $CurCol(@cols) { ($PrOrd,$ResId)=split(/\:/,$CurCol); if ( !$CurCol ) { next; } @@ -379,8 +487,9 @@ sub ExtractStudentData { my $PartNo = 0; $Dis .= ':'; undef %TempHash; - foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { - if ($_=~/^stores\_(\d+)\_tries$/) { + + foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { + if ($_=~/^stores\_(\w+)\_tries$/) { my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); if ( $TempHash{"$Part"} eq '' ) { $TempHash{"$Part"} = $Part; @@ -389,6 +498,7 @@ sub ExtractStudentData { $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; $PartNo++; } + #my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); } } @@ -404,8 +514,23 @@ sub ExtractStudentData { for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { my $vkeys = $result{"$Version:keys:$Prob"}; my @keys = split(/\:/,$vkeys); - + foreach my $Key (@keys) { +#333333333 +# if ($OpResp{$PrOrd}) { +# if (($Key=~/\.(\w+)\.submission$/)) { +# my $Resp = $result{"$Version:$Prob:$Key"}; +# $r->print('
'.$Prob.'
'.$sname.'
'.$PrOrd.'
'.$Key.'
'.$Resp.''); +# $r->rflush(); +# +# my %submission=&Apache::lonnet::str2hash($Resp); +# my $cb=0; +# foreach (sort keys %submission) { +# $r->print('
'.$cb.')'.$_.' ... '.$submission{$_}); +# $cb++; +# } +# } +# } if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { my $Part = $1; $Tries = $result{"$Version:$Prob:resource.$Part.tries"}; @@ -416,7 +541,6 @@ sub ExtractStudentData { $TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; $TotalTries += $TempHash{"$Part.Tries"}; $TotParCr += $TempHash{"$Part.ParCr"}; -#$r->print($Version.'---'.$Prob.'==='.$Time.'
'); my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; if ( $Val eq 'correct_by_student' ) { $Wrongs = $Tries - 1; $Code = 'C'; } @@ -435,12 +559,14 @@ sub ExtractStudentData { my $Yes = 0; if ( $TempHash{$part.'.Code'} eq 'C' || $TempHash{$part.'.Code'} eq 'O' ) - {$ProbSolved++;$Yes=1;} -# my $ptr = "$hash{'title_'.$ResId}"; - my $ptr = $TempHash{$part.'.PrOrd'}.':'.$ResId; + {$ProbSolved++;$Yes=1;} + + # my $ptr = "$hash{'title_'.$ResId}"; + my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$ResId; + if ( $PartNo > 1 ) { $ptr .= "*(part $part)"; - $Dis .= ':'; + $Dis .= '&'; } my $Fac = ($TempHash{"$part.Tries"}) ? ($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0; @@ -451,10 +577,10 @@ sub ExtractStudentData { else {$DisF = $Fac;} # $DisF .= '+'.$TempHash{"$part.Time"}; $TimeTot += $TempHash{"$part.Time"}; - $Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes; - $ptr .= ":$TempHash{$part.'.Tries'}". - ":$TempHash{$part.'.Wrongs'}". - ":$TempHash{$part.'.Code'}"; + $Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes; + $ptr .= "&$TempHash{$part.'.Tries'}". + "&$TempHash{$part.'.Wrongs'}". + "&$TempHash{$part.'.Code'}"; push (@list, $ptr); $TotalOpend++; $ProbTot++; @@ -462,22 +588,21 @@ sub ExtractStudentData { } #else { #for(my $n=0; $n<$PartNo; $n++) { - # push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); + # push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U"); # $ProbTot++; #} #} } if ( $TotalTries ) { my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; -# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100); my $DisFactor = sprintf( "%.4f", $DisFac ); - my $time; - if ($ProbSolved){ - $time = int(($TimeTot/$ProbSolved)-10000000); - } - $DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. - $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; -#$r->print($DisFactor.$sname.'
--- Dis= '.$Dis.'
'); + $DiscFac{$DisFactor}=$Dis; + #my $time; + #if ($ProbSolved){ + #$time = int(($TimeTot/$ProbSolved)-10000000); + #} + #$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. + # $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; } } #$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'
'); @@ -487,6 +612,7 @@ sub ExtractStudentData { # ------------------------------------------------------------ Build page table sub tracetable { my ($rid,$beenhere)=@_; + my $IsMap=0; $rid=~/(\d+)\.(\d+)/; $maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; #$maps{$HWN}=$hash{'title_'.$rid}; @@ -498,7 +624,9 @@ sub tracetable { $cols[$#cols+1]=0; $P_Order++; $HWN=$P_Order; - $mapsort{$HWN} = $rid.':'; + $mapsort{$HWN} = $rid.':'; + $IsMap=1; + #$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= # $hash{'title_'.$rid}; } @@ -513,36 +641,54 @@ sub tracetable { my $meta=$hash{'src_'.$frid}; my $PartNo = 0; + my $Part; + # if ($IsMap==0){ if ($meta) { if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { - if ($_=~/^stores\_(\d+)\_tries$/) { - &Apache::lonnet::metadata($meta,$_.'.part'); + if ($_=~/^stores\_(\w+)\_tries$/) { + $Part=&Apache::lonnet::metadata($meta,$_.'.part'); $P_Order++; $mapsort{$HWN} .= '&'.$P_Order; $PartNo++; - $r->print('
'.$PartNo.'---'.$P_Order); + #$r->print('
'.$PartNo.'---'.$P_Order); + } + foreach my $K(split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) { + if ($K=~/^optionresponse\_($Part)\_(\w+)$/) { + #$r->print('
'.$_.'...'.$P_Order.'---'.$Part); + $OpResp{$P_Order+1}=$frid; + } + } } } } } + # } } else { $cols[$#cols+1]=($P_Order+1).':'.$rid; my $meta=$hash{'src_'.$rid}; my $PartNo = 0; - if ($meta) { + if ($meta) { if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { - foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { - if ($_=~/^stores\_(\d+)\_tries$/) { - &Apache::lonnet::metadata($meta,$_.'.part'); + foreach my $Key(split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { + if ($Key=~/^stores\_(\w+)\_tries$/) { + my $Part=&Apache::lonnet::metadata($meta,$Key.'.part'); $P_Order++; $mapsort{$HWN} .= '&'.$P_Order; $PartNo++; + foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) { + if ($_=~/^optionresponse\_($Part)\_(\w+)$/) { + #$r->print('
'.$_.'...'.$P_Order.'---'.$Part); + $OpResp{$P_Order+1}=$rid; + } + + } + } } } - } + } } if (defined($hash{'to_'.$rid})) { foreach (split(/\,/,$hash{'to_'.$rid})){ @@ -553,7 +699,7 @@ sub tracetable { } sub MySort { - if ( $Pos > 0 && $Pos < 11 ) { + if ( $Pos > 0 ) { if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} else { $a <=> $b; } } @@ -567,7 +713,7 @@ sub Build_Statistics { $r->print(< popwin=open('','popwin','width=400,height=100'); - popwin.document.writeln(''+ + popwin.document.writeln(''+ 'LON-CAPA Statistics'+ '

Computation Progress

'+ '
'+ @@ -587,14 +733,18 @@ ENDPOP $students[$index].'";'); $r->rflush(); - &ExtractStudentData($students[$index],$cid); + &ExtractStudentData($students[$index]); } -#--------------------- close Progress Line - $r->print(''); - $r->rflush(); + # -------------------- sorting the Data + $r->print(''); + @list = sort (@list); + + &Discriminant(); + $OpSel2=''; $OpSel1='selected'; @@ -611,7 +761,7 @@ ENDPOP &CreateTable(1,$Hid); for (my $i=1; $i<=$#lpr; $i++) { my %storestats=(); - my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); + my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]); my $Temp = $Prob; my $MxTries = 0; my $TotalTries = 0; @@ -631,7 +781,7 @@ ENDPOP elsif( $Code eq 'I' ) { $Incorrect++; } elsif( $Code eq 'O' ) { $Override++; } elsif( $Code eq 'U' ) { $StdNo--; } - ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); + ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]); } $p_count++; @@ -692,16 +842,25 @@ ENDPOP $Skewness /= $StdNo; $Skewness /= $StdDev*$StdDev*$StdDev; } + +#--------------------- Compute the Discrimination Factors + my ($Up1,$Up2)=split(/\:/,$DisUp{$lpr[$i]}); + my ($Lw1,$Lw2)=split(/\:/,$DisLow{$lpr[$i]}); + my $Dis1 = $Up1 - $Lw1; + my $Dis2 = $Up2 - $Lw2; + my $_D1 = sprintf("%.2f", $Dis1); + my $_D2 = sprintf("%.2f", $Dis2); + #----------------- Some restition in presenting the float numbers 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 = $PrOrd.':'.$Temp.':'.$StdNo.':'. - $TotalTries.':'.$MxTries.':'.$Avg.':'. - $YES.':'.$Override.':'.$Wrng.':'.$DoD.':'. - $SD.':'.$Sk.':'.$Map.':'.$Prob; + my $join = $PrOrd.'&'.$Temp.'&'.$StdNo.'&'. + $TotalTries.'&'.$MxTries.'&'.$Avg.'&'. + $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. + $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.$Prob; $CachData{($p_count-1)}=$join; $urlres=~/^(\w+)\/(\w+)/; @@ -715,6 +874,9 @@ ENDPOP } &CloseTable(); } +#--------------------- close Progress Line + $r->print(''); + $r->rflush(); } sub Cache_Statistics { @@ -726,14 +888,14 @@ sub Cache_Statistics { if ($Pos > 0) {$Pos++;} $p_count = 0; foreach my $key( keys %CachData) { - my @Temp=split(/\:/,$CachData{$key}); - if ( $Pos == 0 || $Pos == 11 ) { + my @Temp=split(/\&/,$CachData{$key}); + if ( $Pos == 0 ) { ($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); } else { $Useful = $Temp[$Pos]; } - $list[$p_count]=$Useful.'&'.$CachData{$key}; + $list[$p_count]=$Useful.'@'.$CachData{$key}; $p_count++; } @@ -747,7 +909,8 @@ sub Cache_Statistics { &CreateTable(1,$Hid); my @lpr=split(/\&/,$pr); for (my $i=1; $i<=$#lpr; $i++) { - my($Pre, $Post) = split(/\&/,$list[$nIdx]); + my($Pre, $Post) = split(/\@/,$list[$nIdx]); + #$r->print('
'.$Pre.'---'.$Post); &TableRow($Post,$i,$nIdx); $nIdx++; } @@ -757,7 +920,7 @@ sub Cache_Statistics { else { &CreateTable(0); for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { - my($Pre, $Post) = split(/\&/,$list[$nIdx]); + my($Pre, $Post) = split(/\@/,$list[$nIdx]); &TableRow($Post,$nIdx,$nIdx); } &CloseTable(); @@ -766,14 +929,15 @@ sub Cache_Statistics { sub TableRow { my ($Str,$Idx,$RealIdx)=@_; - my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES, - $Override,$Wrng,$DoD,$SD,$Sk,$res,$Prob)=split(/\:/,$Str); - $r->print( "\n".''. + my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, + $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$Str); + my $Ptr = "\n".''. "\n".''. - "\n".''. - "\n".''. - "\n".''. - "\n".''. + # "\n".''. + "\n".''. + "\n".''. + "\n".''. + "\n".''. "\n".''. "\n".''. "\n".''. @@ -781,8 +945,15 @@ sub TableRow { "\n".''. "\n".''. "\n".''. -# "\n".''. - "\n".'' ); + "\n".''. + "\n".''; +# if( $OpResp{$PrOrd} ) { +# $Ptr.=''; +# } +# else { +# $Ptr.=''; +# } + $r->print("\n".$Ptr.'' ); $GraphDat{$RealIdx}=$DoD.':'.$Wrng; } @@ -839,6 +1010,7 @@ sub initial { undef %CachData; undef %GraphDat; undef %DiscFac; + undef %OpResp; undef $CurMap; undef $CurSec; undef $CurStu; @@ -866,23 +1038,40 @@ sub ClassList { my $classlst=&Apache::lonnet::reply ('dump:'.$cdom.':'.$cnum.':classlist',$chome); my $StudNo = 0; + my $now=time; unless ($classlst=~/^error\:/) { foreach (sort split(/\&/,$classlst)) { my ($name,$value)=split(/\=/,$_); my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); $name=&Apache::lonnet::unescape($name); my ($sname,$sdom)=split(/\:/,$name); - my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid); - if ($ssec==-1) {next;} - $ssec=($ssec) ? $ssec : '(none)'; - #$ssec=(int($ssec)) ? int($ssec) : $ssec; - #$r->print($sname.'...'.$ssec.'
'); - $section{$ssec}=$ssec; - if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { - $students[$StudNo]=$name; - $StuBox{$sname}=$ssec; - } - $StudNo++; + my $active=1; + my $Status=$ENV{'form.status'}; + $Status = ($Status) ? $Status : 'Active'; + if ( ( ($end) && $now > $end ) && + ( ($Status eq 'Active') ) ) { $active=0; } + if ( ($Status eq 'Expired') && + ($end == 0 || $now < $end) ) { $active=0; } + if ($active) { + my $thisindex=$#students+1; + $name=&Apache::lonnet::unescape($name); + $students[$thisindex]=$name; + my ($sname,$sdom)=split(/\:/,$name); + #my %reply=&Apache::lonnet::idrget($sdom,$sname); + #my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname. + # ':environment:lastname&generation&firstname&middlename', + # &Apache::lonnet::homeserver($sname,$sdom)); + my $ssec=&usection($sdom,$sname,$cid,$Status); + if ($ssec==-1) {next;} + $ssec=($ssec) ? $ssec : '(none)'; + #$ssec=(int($ssec)) ? int($ssec) : $ssec; + $section{$ssec}=$ssec; + if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { + $students[$StudNo]=$name; + $StuBox{$sname}=$sdom; + } + $StudNo++; + } } } else { @@ -892,18 +1081,11 @@ sub ClassList { $r->rflush(); # --------------- Find all assessments and put them into some linear-like order &tracetable($firstres,'&'.$lastres.'&'); - # my $c=0; # foreach (sort keys %mapsort) { # $r->print('
'.$c.')'.$_.' ... '.$mapsort{$_}); # $c++; # } -#foreach(@cols) { -# $c++; -# $r->print('
'.$cols[$c]); -#} -#$r->print('
Count = '.$c); - } # ------------------------------------------------------------- End render page @@ -939,22 +1121,16 @@ sub Menu { my $content = $ENV{'form.sort'}; if ($content eq '' || $content eq 'Return to Menu') { my $Ptr = '

'; - $Ptr .= '';#General Statistics"/>'; + $Ptr .= ''; $Ptr .= '

'; $Ptr .= ''; - $Ptr .= '

'; -# $Ptr .= '';#"Problem Evaluation"/>'; $Ptr .= '

'; $r->print( $Ptr ); } else { &initial(); &ClassList(); - if ( $content eq 'Discrimination' || #'Problem Evaluation' || - $content eq 'Recalculate Discrimintion Factor' ) { - &CreateDiscFac(); - } - elsif ( $content eq 'Student Assessment' || + if ( $content eq 'Student Assessment' || $content eq 'Create Student Report' ) { &StudentOptions(); &StudentReport($CurStu,$StuBox{"$CurStu"}); @@ -994,20 +1170,11 @@ sub StudentOptions { } sub GetStatus { - - $OpSelDis1=''; - $OpSelDis2=''; $OpSel1=''; $OpSel2=''; $OpSel3=''; $OpSel4=''; -# if ( $ENV{'form.DisType'} eq 'Total Number of Correct Answers' ) { -# $OpSelDis1='selected'; -# $CurDis=0; -# } -# else { $OpSel2 = 'selected'; $CurDis = 1;} - if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } else { $OpSel1 = 'selected'; }
P#'.''.'
'.($RealIdx+1).''.$Temp.' '.$StdNo.''.$TotalTries.''.$MxTries.''.$PrOrd.$Temp.''.$Temp.' '.$StdNo.''.$TotalTries.''.$MxTries.''.$Avg.' '.$YES.' '.$Override.''.$DoD.' '.$SD.' '.$Sk.''.$res.'
'.$_D1.' '.$_D2.''.''.' --------