$Count) ".localtime($date).": $who --> $res"); +# if ($post) { +# $Count++; +# $r->print("
$Count) Sent data ".join(':', +# &Apache::lonnet::unescape(@posts)).''); +# } + $r->rflush(); + } + ## push (@allaccess,unescape($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) { +# $r->print("
Sent data ".join(':',unescape(@posts)).''); +# } +# } +} + +#---- Analyze Web Page --------------------------------------------------- + sub InitAnalysis { - my ($rid, $student)=@_; - my ($uname,$udom)=split(/\:/,$student); - $rid=~/(\d+)\.(\d+)/; - my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'. - &Apache::lonnet::declutter($hash{'src_'.$rid}); - my $URI = $hash{'src_'.$rid}; - my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze', - 'grade_username' => $uname, - 'grade_domain' => $udom, - 'grade_courseid' => $cid, - 'grade_symb' => $symb)); -# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze')); + my ($uri,$part,$problem,$student,$courseID)=@_; + my ($username,$userdomain)=split(/\:/,$student); + + # Render the student's view of the problem. $Answ is the problem + # Stringafied + my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze', + 'grade_username' => $username, + 'grade_domain' => $userdomain, + 'grade_courseid' => $courseID, + 'grade_symb' => $problem)); +# my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze')); - (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); +# (undef,$Answ)=split(/_HASH_REF__/,$Answ,2); %Answer=(); %Answer=&Apache::lonnet::str2hash($Answ); +# foreach (sort(keys(%Answer))) { +# $r->print($_.' '.$Answer{$_}.'
'); +# } + my $parts=''; foreach my $elm (@{$Answer{"parts"}}) { $parts.="$elm,"; @@ -122,69 +146,72 @@ sub InitAnalysis { #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; } } - return $symb; -} + return; +} sub Interval { - my ($rid,$part,$symb)=@_; - my $Int=$ConceptData{"Interval"}; - my $due = &Apache::lonnet::EXT('resource.$part.duedate',$symb)+1; - my $opn = &Apache::lonnet::EXT('resource.$part.opendate',$symb); - my $add=int(($due-$opn)/$Int); - $ConceptData{"Int.0"}=$opn; - for (my $i=1;$i<$Int;$i++) { - $ConceptData{"Int.$i"}=$opn+$i*$add; + my ($part,$symb)=@_; + my $interval=$ConceptData{"Interval"}; + my $due = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb)+1; + my $open = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb); + my $add=int(($due-$open)/$interval); + $ConceptData{'Interval.0'}=$open; + for (my $i=1;$i<$interval;$i++) { + $ConceptData{'Interval.'.$i}=$open+$i*$add; } - $ConceptData{"Int.$Int"}=$due; - for (my $i=0;$i<$Int;$i++) { + $ConceptData{'Interval.'.$interval}=$due; + for (my $i=0;$i<$interval;$i++) { for (my $n=0; $n<=$#Concepts; $n++ ) { my $tmp=$Concepts[$n]; - $ConceptData{"$tmp.$i.true"}=0; - $ConceptData{"$tmp.$i.false"}=0; + $ConceptData{$tmp.'.'.$i.'.true'}=0; + $ConceptData{$tmp.'.'.$i.'.false'}=0; } } } - sub ShowOpGraph { - my ($InpStr, $Int_No)=@_; - my ($rid,$part)=split(/\:/,substr($InpStr,8)); - $ConceptData{"Interval"}=$Int_No; + my ($cache, $students, $courseID)=@_; + my $uri = $cache->{'AnalyzeURI'}; + my $part = $cache->{'AnalyzePart'}; + my $problem = $cache->{'AnalyzeProblem'}; + my $title = $cache->{'AnalyzeProblem'}; + my $interval = $cache->{'Interval'}; + $ConceptData{"Interval"} = $interval; + #Initialize the option response true answers - my $symb=&InitAnalysis($rid,$students[0]); + &InitAnalysis($uri, $part, $problem, $students->[0],$courseID); + #compute the intervals - &Interval($rid,$part,$symb); - my $URI = $hash{'src_'.$rid}; - my $Src = $hash{'title_'.$rid}; - $Src =~ s/\ /"_"/eg; - $r->print('
'.$URI.''); + &Interval($part,$problem); + + $title =~ s/\ /"_"/eg; + $r->print('
'.$uri.''); $r->rflush(); #Java script Progress window &Create_PrgWin(); - &Update_PrgWin("Starting to analyze problem"); - for (my $index=0;$index<=$#students;$index++) { - &Update_PrgWin($index); - &OpStatus($rid,$students[$index]); + &Update_PrgWin("Starting to analyze problem",0,0,''); + for(my $index=0; $index<(scalar @$students); $index++) { + &Update_PrgWin(scalar @$students, $index+1, $students->[$index]); + &OpStatus($problem, $students->[$index], $courseID); } &Close_PrgWin(); $r->print('
'); - for (my $k=0; $k<$Int_No; $k++ ) { - &DrawGraph($k,$Src); + for(my $k=0; $k<$interval; $k++ ) { + &DrawGraph($k,$title); } - for (my $k=0; $k<$Int_No; $k++ ) { + for(my $k=0; $k<$interval; $k++ ) { &DrawTable($k); } #$Apache::lonxml::debug=1; #&Apache::lonhomework::showhash(%ConceptData); #$Apache::lonxml::debug=0; - my $Answ=&Apache::lonnet::ssi($URI); + my $Answ=&Apache::lonnet::ssi($uri); $r->print("
Here you can see the Problem:
$Answ"); } - sub DrawTable { my $k=shift; my $Max=0; @@ -220,9 +247,9 @@ sub DrawTable { for (my $n=0; $n<=$#Concepts; $n++ ) { $Str .= "\n"."
');
}
-sub AnalyzeProblem {
- # selecting the number of intervals
- my $OpSel='';
- my $CurInt = $ENV{'form.interval'};
- if ($CurInt eq '') {$CurMap = '1';}
- my $Ptr = 'Select number of intervals'."\n".
- ''."\n";
- $r->print( $Ptr );
-
- #the table of option response problems
- $r->print('Option Response Problems in this course:
'); - my $Str = "\n".'
| # | '. - "\n".'Problem Title | '. - "\n".'Resouse | '. - "\n".'Address | '. - "\n".'
|---|---|---|---|
| $P_No | ". - "\n"."".$Temp." | ". - "\n"."".$hash{'src_'.$rid}." | ". - "\n"."".''.' | '. - "\n"."
"); + } 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; - $nStud=0; + $nStudent=0; } + return %Proc; } #------- Creating Discimination factor sub Discriminant { - my $Count=0; - foreach (keys(%DiscFac)){ - $Count++; - } - $UpCnt = int(0.27*$Count); + 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(keys(%DiscFac))){ + foreach my $key (sort(@discriminantKeys)) { $Count++; - #$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,$_);} - } - } - } + if($low < $UpCnt || $Count > $up) { + $low++; + my $str=$discriminantFactor->{$key}; + foreach(split(/\:/,$str)){ + if($_) { + if($low<$UpCnt) { push(@LowList,$_); } + else { push(@UpList,$_); } + } + } + } } - %DisUp=&ProcessDisc(@UpList); - %DisLow=&ProcessDisc(@LowList); + my %DisUp = &ProcessDiscriminant(\@UpList); + my %DisLow = &ProcessDiscriminant(\@LowList); + + return (\%DisUp, \%DisLow); } - sub NumericSort { $a <=> $b; } -# ------ Create different Student Report -sub StudentReport { - my ($sname,$sdom)=@_; - if ( $sname eq 'All Students' ) { - $r->print( '
WARNING: - Please select a student
' ); +sub CreateProblemStatisticsTableHeading { + my ($displayFormat,$sequenceSource,$sequenceTitle,$headings)=@_; + if($displayFormat eq 'Display CSV Format') { + $r->print('"'.$sequenceTitle.'","'); + $r->print($sequenceSource.'"'); return; } - my %result = &Apache::lonnet::dump($cid,$sdom,$sname); - my $ResId; - my $PrOrd; - my $Code; - my $Tries; - my $TotalTries = 0; - my $ParCr = 0; - my $Wrongs; - my %TempHash; - my $Version; - my $LatestVersion; - my $PtrTry=''; - my $PtrCod=''; - my $SetNo=0; - my $Str = "\n".'
| # | '. - "\n".'Set Title | '. - "\n".'Results | '. - "\n".'Tries | '. - "\n".'
|---|---|---|---|
| $SetNo | ". - "\n"."$Set | ". - "\n"."$PtrCod | ". - "\n"."$PtrTry | ". - "\n"."
'.$sequenceTitle.''); -sub CreateTable { - my ($Hd, $Hid)=@_; - if ($ENV{'form.showcsv'}) { - if ( $Hd == 1 ) { - $r->print('
"'.$hash{'title_'.$Hid}.'","'.$hash{'src_'.$Hid}.'"'); - } - return; - } - my $ColNo=0; - foreach (keys(%Header)){ - $ColNo++; - } - if ( $Hd == 1 ) { - $r->print('
'.$hash{'title_'.$Hid}.''); - } - my $Result = "\n".'
| P# | '."\n"; - for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) { - $Result .= ''.''.' | '."\n"; + my $Result = "\n".'
|---|
| P# | '."\n"; + for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { + $Result .= ''.''.' | '."\n"; } $Result .= "\n".'
|---|
Student Status: '."\n". - ' '."\n"; - $Ptr .= ' '; - $Ptr .= ''."\n"; - - $Ptr .= '
Sorting Type: '."\n". - ' '."\n"; - $Ptr .= ' '; - $Ptr .= ''."\n"; - $Ptr .= ' '; - $Ptr .= ''."\n"; - - $Ptr .= '
'. - ' #Stdnts: Total Number of Students opened the problem.'; - - $r->print($Ptr); - - $r->print('Output CSV format: print(' checked'); } - $r->print('>'); - - $r->rflush(); - - if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { - if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { - tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); - &Cache_Statistics(); - } - else { - $r->print("Unable to tie hash to db file"); - } - } - else { - if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { - tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); - foreach (keys %DiscFac) {delete $CachData{$_};} - foreach (keys %CachData) {delete $CachData{$_};} - $DiscFlag=0; - &Build_Statistics(); - } - else { - $r->print("Unable to tie hash to db file"); +# ------ Dump the Student's DB file and handling the data for statistics table +sub ExtractStudentData { + my ($cache,$name)=@_; + my %discriminantFactor; + my @list=(); + + my $totalTries = 0; + my $totalAwarded = 0; + my $tempProblemOrder=0; + foreach my $sequence (split(':', $cache->{'orderedSequences'})) { + if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && + $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { + next; } - } - -# $r->print('Total instances of the problems : '.($p_count*($#students+1))); - untie(%CachData); - untie(%GraphDat); -} + my $Dis = ''; + foreach my $problemID (split(':', $cache->{$sequence.':problems'})) { + my $problem = $cache->{$problemID.':problem'}; + my $LatestVersion = $cache->{$name.':version:'.$problem}; + + # Output dashes for all the parts of this problem if there + # is no version information about the current problem. + #if(!$LatestVersion) { + # foreach my $part (split(/\:/,$cache->{$sequence.':'. + # $problemID. + # ':parts'})) { + # $codes .= "-,"; + # $attempts .= "0,"; + # } + # next; + #} + + my %partData=undef; + # 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'})) { + $partData{$part.':tries'}=0; + $partData{$part.':code'}='-'; + } -# ------------------------------------- Find the section of student in a course - -sub usection { - my ($udom,$unam,$courseid,$ActiveFlag)=@_; - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; - 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)); - 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; - } - } - return '-1'; -} + # Looping through all the versions of each part, starting with the + # oldest version. Basically, it gets the most recent + # set of grade data for each part. + for(my $Version=1; $Version<=$LatestVersion; $Version++) { + foreach my $part (split(/\:/,$cache->{$sequence.':'. + $problemID. + ':parts'})) { + + if(!defined($cache->{$name.":$Version:$problem". + ":resource.$part.solved"})) { + # No grade for this submission, so skip + next; + } + + my $tries=0; + my $time=0; + my $awarded=0; + my $code='U'; + + $awarded = $cache->{$name. + "$Version:$problem:resource.". + "$part.awarded"}; + $partData{$part.':awarded'} = ($awarded) ? $awarded : 0; + $totalAwarded += $awarded; + + $tries = $cache->{$name.":$Version:$problem". + ":resource.$part.tries"}; + $partData{$part.':tries'} = ($tries) ? $tries : 0; + $partData{$part.':wrong'} = $partData{$part.':tries'}; + $totalTries += $tries; + + my $val = $cache->{$name.":$Version:$problem". + ":resource.$part.solved"}; + if ($val eq 'correct_by_student') {$code = 'C';} + elsif ($val eq 'correct_by_override') {$code = 'O';} + elsif ($val eq 'incorrect_attempted') {$code = 'I';} + elsif ($val eq 'incorrect_by_override'){$code = 'I';} + elsif ($val eq 'excused') {$code = 'x';} + $partData{$part.':code'}=$code; + + if($partData{$part.':wrong'} ne 0 && + ($code eq 'C' || $code eq 'O')) { + $partData{$part.':wrong'}--; + } + } + } + # Loop through all the parts for the current problem in the + # correct order and prepare the output + foreach (split(/\:/,$cache->{$sequence.':'.$problemID. + ':parts'})) { + my $Yes = 0; + if($partData{$_.':code'} eq 'C' || + $partData{$_.':code'} eq 'O') { + $Yes=1; + } + #my $ptr = "$hash{'title_'.$ResId}"; + my $ptr = $tempProblemOrder.'&'.$problemID; -# ------ Dump the Student's DB file and handling the data for statistics table -sub ExtractStudentData { - my $student=shift; - my ($sname,$sdom) = split( /\:/, $student ); - my %result = &Apache::lonnet::dump($cid,$sdom,$sname); - my $ResId; - my $PrOrd; - my $Dis = ''; - my $Code; - my $Tries; - my $ParCr; - my $TotalTries = 0; - my $TotalOpend = 0; - my $ProbSolved = 0; - my $ProbTot = 0; - my $TimeTot = 0; - my $TotParCr = 0; - my $Wrongs; - my %TempHash; - my $Version; - my $LatestVersion; - my $SecLimit; - my $MapLimit; - my ($temp)=keys(%result); - unless ($temp=~/^error\:/) { - foreach my $CurCol(@cols) { - ($PrOrd,$ResId)=split(/\:/,$CurCol); - if ( !$CurCol ) { next; } - $ResId=~/(\d+)\.(\d+)/; - my $MapId=$1; - my $PrbId=$2; - my $MapOrg = $hash{'map_id_'.$MapId}; - my $Map = &Apache::lonnet::declutter($MapOrg); - if ( $CurMap ne 'All Maps' ) { - my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); - if ( $Map ne $ResMap ) { next; } - } - my $meta=$hash{'src_'.$ResId}; - my $PartNo = 0; - $Dis .= ':'; - undef %TempHash; - - foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { - if ($_=~/^stores\_(\w+)\_tries$/) { - my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); - if ( $TempHash{"$Part"} eq '' ) { - $TempHash{"$Part"} = $Part; - $TempHash{$PartNo}=$Part; - $TempHash{"$Part.Code"} = 'U'; - $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; - $PartNo++; - } - #my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); - } - } - &Apache::lonnet::declutter( $hash{'src_'.$ResId} ); - my $URI = $hash{'src_'.$ResId}; - my $Prob = $Map.'___'.$PrbId.'___'. - &Apache::lonnet::declutter($URI); - $Code='U'; - $Tries = 0; - $ParCr = 0; - $Wrongs = 0; - $LatestVersion = $result{"version:$Prob"}; - if ( $LatestVersion ) { - for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { - my $vkeys = $result{"$Version:keys:$Prob"}; - my @keys = split(/\:/,$vkeys); - foreach my $Key (@keys) { - if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { - my $Part = $1; - $Tries = $result{"$Version:$Prob:resource.$Part.tries"}; - $ParCr = $result{"$Version:$Prob:resource.$Part.awarded"}; - my $Time = $result{"$Version:$Prob:timestamp"}; - $TempHash{"$Part.Time"} = ($Time) ? $Time : 0; - $TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; - $TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; - $TotalTries += $TempHash{"$Part.Tries"}; - $TotParCr += $TempHash{"$Part.ParCr"}; - my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; - if ( $Val eq 'correct_by_student' ) - { $Wrongs = $Tries - 1; $Code = 'C'; } - elsif ( $Val eq 'correct_by_override' ) - { $Wrongs = $Tries - 1; $Code = 'O'; } - elsif ( $Val eq 'incorrect_attempted' || - $Val eq 'incorrect_by_override' ) - { $Wrongs = $Tries; $Code = 'I'; } - $TempHash{"$Part.Code"} = $Code; - $TempHash{"$Part.Wrongs"} = $Wrongs; - } - } - } - for ( my $n = 0; $n < $PartNo; $n++ ) { - my $part = $TempHash{$n}; - 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; - - if ( $PartNo > 1 ) { - $ptr .= "*(part $part)"; - $Dis .= '&'; - } - my $Fac = ($TempHash{"$part.Tries"}) ? - ($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0; - my $DisF; - if ( $Fac > 0 && $Fac < 1 ) { - $DisF = sprintf( "%.4f", $Fac ); - } - else {$DisF = $Fac;} -# $DisF .= '+'.$TempHash{"$part.Time"};33333333 - $TimeTot += $TempHash{"$part.Time"}; - $Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes; - $ptr .= "&$TempHash{$part.'.Tries'}". - "&$TempHash{$part.'.Wrongs'}". - "&$TempHash{$part.'.Code'}"; - push (@list, $ptr); - $TotalOpend++; - $ProbTot++; - } + if($_ > 1) { + $ptr .= "*(part $_)"; + $Dis .= '&'; + } + my $Fac = ($partData{$_.':Tries'}) ? + ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; + my $DisF; + if($Fac > 0 && $Fac < 1) { + $DisF = sprintf( "%.4f", $Fac ); + } else { + $DisF = $Fac; + } + $Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes; + $ptr .= '&'.$partData{$_.'.Tries'}. + '&'.$partData{$_.'.Wrongs'}. + '&'.$partData{$_.'.Code'}; + push (@list, $ptr); + $tempProblemOrder++; } - #else { - #for(my $n=0; $n<$PartNo; $n++) { - # push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U"); - # $ProbTot++; - #} - #} } - if ( $TotalTries ) { - my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; + if($totalTries) { + my $DisFac = ($totalAwarded/$totalTries); my $DisFactor = sprintf( "%.4f", $DisFac ); - $DiscFac{$DisFactor}=$Dis; - #my $time; - #if ($ProbSolved){ - #$time = int(($TimeTot/$ProbSolved)-10000000); - #} - #$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. - # $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; + $discriminantFactor{$DisFactor}=$Dis; } } - #$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'
'. - ' Tries : Total Number of Tries for solving the problem.
'. - ' Max : Maximunm Number of Tries for solving the problem.
'. - ' Avg. : 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) ]
'. 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 - Avg.)^2)) / (#Stdnts-1)'. - ' where Xi denotes every student\'s tries ]
'. - ' Skew. : Skewness of the students tries.'. - ' [ (sqrt( sum((Xi - Avg.)^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'. - '
'); -} - -# ------------------------------------------------------------ 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_'.$rid}; - unless ($beenhere=~/\&$rid\&/) { - $beenhere.=$rid.'&'; - if (defined($hash{'is_map_'.$rid})) { - my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}; - if ( $cmap eq 'sequence' || $cmap eq 'page' ) { - $cols[$#cols+1]=0; - $P_Order++; - $HWN=$P_Order; - $mapsort{$HWN} = $rid.':'; - $IsMap=1; - - #$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= - # $hash{'title_'.$rid}; - } - if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && - (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { - my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; - - &tracetable($hash{'map_start_'.$hash{'src_'.$rid}}, - '&'.$frid.'&'); - - $cols[$#cols+1]=($P_Order+1).':'.$frid; - - 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 ($_=~/^stores\_(\w+)\_tries$/) { - $Part=&Apache::lonnet::metadata($meta,$_.'.part'); - $P_Order++; - $mapsort{$HWN} .= '&'.$P_Order; - $PartNo++; - #$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}="$frid:$Part"; - } - } - } - } - } - } - # } - } else { - $cols[$#cols+1]=($P_Order+1).':'.$rid; - my $meta=$hash{'src_'.$rid}; - my $PartNo = 0; - if ($meta) { - if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { - 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}="$rid:$Part";; - } - - } - - } - } - } - } - } - if (defined($hash{'to_'.$rid})) { - foreach (split(/\,/,$hash{'to_'.$rid})){ - &tracetable($hash{'goesto_'.$_},$beenhere); - } - } - } + return (\%discriminantFactor, \@list); } sub MySort { @@ -981,73 +608,31 @@ sub MySort { } } -sub Create_PrgWin { -#----------- Create progress - $r->print(<
Computation Progress
'+ - ''+ - ''); - popwin.document.close(); - -ENDPOP - - $r->rflush(); -} - - -sub Update_PrgWin { -#----------- update progress - my $index = shift; - $r->print(''); - $r->rflush(); -} - -sub Close_PrgWin { -#--------------------- close Progress Line - $r->print(''); - $r->rflush(); -} - -sub Build_Statistics { - &Create_PrgWin(); -# ---------------------------- Gathering the Data of students' tries - for (my $index=0;$index<=$#students;$index++) { - &Update_PrgWin($index); - &ExtractStudentData($students[$index]); - } - -# -------------------- sorting the Data - $r->print(''); - - @list = sort (@list); - - &Discriminant(); +sub BuildStatisticsTable { + my ($cache,$discriminantFactor,$list,$headings)=@_; - $OpSel2=''; - $OpSel1='selected'; - - $p_count = 0; - my $nIdx = 0; - my $dummy; + my $p_count = 0; + my $nIndex = 0; + my $dummy; my $p_val; my $ResId; - my $NoElements = $#list + 1; -#-------------------------------- loop for data representation - foreach (sort keys %mapsort) { + my $NoElements = scalar @$list; + + foreach my $sequence (split(':', $cache->{'orderedSequences'})) { + if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && + $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { + next; + } + + &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, + $cache->{$sequence.':source'}, + $cache->{$sequence.':title'}, + $headings); my ($Hid,$pr)=split(/\:/,$mapsort{$_}); my @lpr=split(/\&/,$pr); - &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->[$nIndex]); my $Temp = $Prob; my $MxTries = 0; my $TotalTries = 0; @@ -1058,7 +643,7 @@ sub Build_Statistics { my @StdLst; while ( $PrOrd == $lpr[$i] ) { - $nIdx++; + $nIndex++; $StdNo++; $StdLst[ $StdNo ] = $Tries; $TotalTries += $Tries; @@ -1067,7 +652,7 @@ sub Build_Statistics { 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->[$nIndex]); } $p_count++; @@ -1130,8 +715,8 @@ sub Build_Statistics { } #--------------------- Compute the Discrimination Factors - my ($Up1,$Up2)=split(/\:/,$DisUp{$lpr[$i]}); - my ($Lw1,$Lw2)=split(/\:/,$DisLow{$lpr[$i]}); + my ($Up1,$Up2)=split(/\:/,':');#jason$DisUp->{$lpr[$i]}); + my ($Lw1,$Lw2)=split(/\:/,':');#jason$DisLow->{$lpr[$i]}); my $Dis1 = $Up1 - $Lw1; my $Dis2 = $Up2 - $Lw2; my $_D1 = sprintf("%.2f", $Dis1); @@ -1155,16 +740,16 @@ sub Build_Statistics { &Apache::lonnet::put('resevaldata',\%storestats,$1,$2); } #-------------------------------- Row of statistical table - if ( $DiscFlag == 0 ) { - &TableRow($join,$i,($p_count-1)); - } + &TableRow($cache,$join,$i,($p_count-1)); } - &CloseTable(); + &CloseTable($cache); } &Close_PrgWin(); } +=pod sub Cache_Statistics { + my ($cache)=@_; my @list = (); my $Useful; my $UnUseful; @@ -1172,7 +757,7 @@ sub Cache_Statistics { my %myHeader = reverse( %Header ); $Pos = $myHeader{$ENV{'form.sort'}}; if ($Pos > 0) {$Pos++;} - $p_count = 0; + my $p_count = 0; foreach my $key( keys %CachData) { my @Temp=split(/\&/,$CachData{$key}); if ( $Pos == 0 ) { @@ -1187,37 +772,37 @@ sub Cache_Statistics { @list = sort MySort (@list); - my $nIdx=0; + my $nIndex=0; if ( $Pos == 0 ) { foreach (sort keys %mapsort) { my ($Hid,$pr)=split(/\:/,$mapsort{$_}); - &CreateTable(1,$Hid); + &CreateProblemStatisticsTableHeading($cache,1,$Hid); my @lpr=split(/\&/,$pr); for (my $i=1; $i<=$#lpr; $i++) { - my($Pre, $Post) = split(/\@/,$list[$nIdx]); + my($Pre, $Post) = split(/\@/,$list[$nIndex]); #$r->print(''.$Pre.'---'.$Post); - &TableRow($Post,$i,$nIdx); - $nIdx++; + &TableRow($cache,$Post,$i,$nIndex); + $nIndex++; } - &CloseTable(); + &CloseTable($cache); } } else { - &CreateTable(0); - for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { - my($Pre, $Post) = split(/\@/,$list[$nIdx]); - &TableRow($Post,$nIdx,$nIdx); + &CreateProblemStatisticsTableHeading($cache,0); + for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { + my($Pre, $Post) = split(/\@/,$list[$nIndex]); + &TableRow($cache,$Post,$nIndex,$nIndex); } - &CloseTable(); + &CloseTable($cache); } } - +=cut sub TableRow { - my ($Str,$Idx,$RealIdx)=@_; + my ($cache,$Str,$Idx,$RealIdx)=@_; my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$Str); - if ($ENV{'form.showcsv'}) { + if($cache->{'DisplayFormat'} eq 'Display CSV Format') { my ($ResId,$Dummy)=split(/\*/,$Prob); my $Ptr = "\n".'
'. "\n".'"'.($RealIdx+1).'",'. @@ -1236,417 +821,1077 @@ sub TableRow { "\n".'"'.$_D1.'",'. "\n".'"'.$_D2.'"'; $r->print("\n".$Ptr); - } - else{ + } else { my $Ptr = "\n".'
| '; + $Ptr .= '#Stdnts: | '; + $Ptr .= 'Total Number of Students opened the problem.'; + $Ptr .= ' |
| '; + $Ptr .= 'Tries: | '; + $Ptr .= 'Total Number of Tries for solving the problem.'; + $Ptr .= ' |
| '; + $Ptr .= 'Mod: | '; + $Ptr .= 'Maximunm Number of Tries for solving the problem.'; + $Ptr .= ' |
| '; + $Ptr .= 'Mean: | '; + $Ptr .= 'Average Number of the tries. [ Tries / #Stdnts ]'; + $Ptr .= ' |
| '; + $Ptr .= '#YES: | '; + $Ptr .= 'Number of students solved the problem correctly.'; + $Ptr .= ' |
| '; + $Ptr .= '#yes: | '; + $Ptr .= 'Number of students solved the problem by override.'; + $Ptr .= ' |
| '; + $Ptr .= '%Wrng: | '; + $Ptr .= 'Percentage of students tried to solve the problem '; + $Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]'; + $Ptr .= ' |
| ';
+# Kashy formula
+# ' DoDiff : Degree of Difficulty of the problem. '. +# '[ Tries/(#YES+#yes+0.1) ] '. + #Gerd formula + $Ptr .= 'DoDiff: | ';
+ $Ptr .= 'Degree of Difficulty of the problem. '; + $Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]'; + $Ptr .= ' |
| '; + $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 .= 'Skewness of the students tries.'; + $Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]'; + $Ptr .= ' |
| '; + $Ptr .= 'Dis.F.: | '; + $Ptr .= 'Discrimination Factor: A Standard for evaluating the ';
+ $Ptr .= 'problem according to a Criterion '; + $Ptr .= '[Applied Criterion in %27 Upper Students - '; + $Ptr .= 'Applied the same Criterion in %27 Lower Students] '; + $Ptr .= '1st Criterion for Sorting the Students: '; + $Ptr .= 'Sum of Partial Credit Awarded / Total Number of Tries '; + $Ptr .= '2nd Criterion for Sorting the Students: '; + $Ptr .= 'Total number of Correct Answers / Total Number of Tries'; + $Ptr .= ' |
Select number of intervals'."\n". + ''."\n"; - &GetStatus(); + return $Ptr; +} - $cid=$ENV{'request.course.id'}; - my $chome=$ENV{'course.'.$cid.'.home'}; - my ($cdom,$cnum)=split(/\_/,$cid); -# ----------------------- Get first and last resource, see if there is anything - $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; - $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; - if (($firstres) && ($lastres)) { -# my %students = &Apache::lonnet::dump('classlist',$cdom,$cnum); -# $Apache::lonxml::debug=1; -# &Apache::lonhomework::showhash(%students); -# $Apache::lonxml::debug=0; -# my $StudNo = 0; -# my $now=time; -# my ($temp)=keys(%students); -# unless ($temp=~/^error\:/) { -# foreach my $KeyPoint(sort keys(%students)) { - - - my $classlst=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':classlist',$chome); - - my $StudNo = 0; - my $now=time; - unless ($classlst=~/^error\:/) { - foreach my $KeyPoint(sort split(/\&/,$classlst)) { - my ($name,$value)=split(/\=/,$KeyPoint); - my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); - 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 $ssec=&usection($sdom,$sname,$cid,$Status); - if ($ssec==-1 || $ssec eq 'adm' ) {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 { - $r->print('
Could not access course data
'); - } - $r->print("Total number of students : ".($#students+1)); - $r->rflush(); -# --------------- Find all assessments and put them into some linear-like order - &tracetable($firstres,'&'.$lastres.'&'); -# my $c=0; -# foreach (sort keys %mapsort) { -# $r->print(''.$c.')'.$_.' ... '.$mapsort{$_}); -# $c++; -# } -# my $c=1; -# foreach (sort keys %OpResp) { -# $r->print('
'.$c.')'.$_.' ... '.$OpResp{$_}.' ... '.$hash{'src_'.$OpResp{$_}}); -# $c++; -# } +sub OptionResponseTable { + my ($cache)=@_; + my $Str = ''; + $Str .= '
Option Response Problems in this course:'."\n"; + $Str .= '
'."\n"; + $Str .= "
| \# | Problem Title | "; + $Str .= 'Resource | Analysis |
|---|---|---|---|
| '.$number.' | '; + $Str .= ''.$Temp.' | '; + $Str .= ''.$uri.' | '; + $Str .= '