'.$#Act); + for(my $n=0;$n<=$#Act;$n++){ + my ($res,$Degree)=split('@',$Act[$n]); + $DoDiff{$res}=$Degree; } } -sub GetUniqe { - my ($Index,$String,$C)=@_; - my @step = 5; - my @L=($C eq 'S') ? @LS : @LF; - my $Count=$#L+1; - my @List=(); - for(my $n=0;$n<$Count;$n++){ - my @t=split(/\:/,$L[$n]); - push(@List,$t[$Index]); - #$r->print("
$t[$Index]"); - } - @List = sort NumSort(@List); - - $r->print("
zone $C ------ $String "); - my $nIdx=0; - my $nPrb=0; - my %Proc; - undef %Proc; - while ( $nIdx < $Count ) { - my $Focus=$List[$nIdx]; - my $Temp = $Focus; - do { - $nIdx++; - $nPrb++; - $Focus=$List[$nIdx]; - #$Proc{$name}=$Focus; - } while ( $Focus == $Temp && $nIdx < $Count ); - $r->print("
$Temp --> $nPrb"); - $nPrb=0; - } - return %Proc; -} -sub GetUniq { - my ($Index,$String)=@_; - my @step = 5; - my $Count=0; - my @List=(); - my @temp=(); - foreach (keys(%DiscFac)){ - $Count++; - my @temp1=split(/\:/,$_); - @temp=($temp1[$Index],@temp1); - push(@List,join(':',@temp)); - } - @List = sort NumericSort(@List); - - $r->print("
zone ($Index) ------ $String ----- / $temp[3]"); - my $nIdx=0; - my $nPrb=0; - my %Proc; - undef %Proc; - while ( $nIdx < $Count ) { - my ($Focus,$Dummy,$name)=split(/\:/,$List[$nIdx]); - my $Temp = $Focus; - $Proc{$name}=$Focus; - do { - $nIdx++; - $nPrb++; - ($Focus,$Dummy,$name)=split(/\:/,$List[$nIdx]); - $Proc{$name}=$Focus; - } while ( $Focus == $Temp && $nIdx < $Count ); - $r->print("
$Temp --> $nPrb"); - $nPrb=0; +sub LoadClassFile { + my $file="/home/minaeibi/class.txt"; + open(FILEID, "<$file"); + my $line; + %Grade=(); + while ($line=
$_ --> $class{$_}"); -# } - # $DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. - # $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; - @LS=(); - @LF=(); + my @LS=(); + my @LF=(); + my @LM=(); my $cf=0; my $cs=0; - foreach (keys(%DiscFac)){ - my @l=split(/\:/,$_); - if ($class{$l[1]}){ - if( $class{$l[1]} == 4 ) { - $cs++; - push(@LS,('S:'.$l[6].':'.$l[0].':'.$l[5].':'.$l[4].':'.$l[3].':'.$class{$l[1]})); - } - elsif ( $class{$l[1]} < 3 ) { - $cf++; - push(@LF,('F:'.$l[6].':'.$l[0].':'.$l[5].':'.$l[4].':'.$l[3].':'.$class{$l[1]})); - } + my $cm=0; + foreach (keys(%$DiscFac)){ + my @l=split(/\:/,$_); + if (!($students->{$l[1]})) {next;} + my $Grade=$Grade{$students->{$l[1]}}; + if( $Grade > 3 ) { + $cs++; + push(@LS,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Successful")); + } elsif ( $Grade > 2 ) { + $cm++; + push(@LM,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Average")); + } else { + $cf++; + push(@LF,("$l[6],$l[5],$l[4],$l[7],$l[8],$l[9],Failed")); } - } + } + for(my $n=0;$n<$cs;$n++){$r->print('
'.$LS[$n]);} + for(my $n=0;$n<$cm;$n++){$r->print('
'.$LM[$n]);} + for(my $n=0;$n<$cf;$n++){$r->print('
'.$LF[$n]);} +} + + +sub ProcAct { + # return; + my ($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"; - $r->print("
zone successful"); - for(my $n=0;$n<$cs;$n++){ - $r->print('
'.$LS[$n]); + if (-e "$CacheDB") { + if (tie(%Activity,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { + return; + } + else { + $r->print("Unable to tie log Cache hash to db file"); + } } - - $r->print("
zone failed"); - for(my $n=0;$n<$cf;$n++){ - $r->print('
'.$LF[$n]); + else { + if (tie(%Activity,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { + foreach (keys %Activity) {delete $Activity{$_};} + &Build_log(); + } + else { + $r->print("Unable to tie log Build hash to db file"); + } } - -# my %Disc = &GetUniqe(@List,5,"Discrimination Factor"); -# my %Opnd = &GetUniq(@List,3,"Total Opened"); -# my %Trys = &GetUniq(@Lsit4,"Total Tries"); -# my %Slvd = &GetUniq(5,"Problems Solved"); - - # my (@L, $Index,$String)=@_; - my %Time = &GetUniqe(1,"Time",'S'); - &GetUniqe(1,"Time",'F'); - &GetUniqe(2,"Discrimination Factor",'S'); - &GetUniqe(2,"Discrimination Factor",'F'); - &GetUniqe(3,"Solved",'S'); - &GetUniqe(3,"Solved",'F'); - &GetUniqe(4,"Tries",'S'); - &GetUniqe(4,"Tries",'F'); - - &GetBin(1,2, " Time ... Discriminat",'S'); - &GetBin(1,2, " Time ... Discriminat",'F'); - &GetBin(1,3, " Time ... Solved",'S'); - &GetBin(1,3, " Time ... Solved",'F'); - &GetBin(1,4, " Time ... Tries",'S'); - &GetBin(1,4, " Time ... Tries",'F'); - &GetBin(2,3, " Discriminant ... Solved",'S'); - &GetBin(2,3, " Discriminant ... Solved",'F'); - &GetBin(2,4, " Discriminant ... Tries",'S'); - &GetBin(2,4, " Discriminant ... Tries",'F'); - &GetBin(3,4, " Solved ... Tries",'S'); - &GetBin(3,4, " solved ... Tries",'F'); -# foreach (keys(%Disc)) { -# $r->print("
: $Disc{$_} --> $Slvd{$_}"); - # } - # $r->print("
..........Discriminant ... Time................"); - ## foreach (keys(%Disc)) { - # $r->print("
$Disc{$_} --> $Time{$_}"); - # } - # $r->print("
..........Time ... Solved......................."); - # foreach (keys(%Disc)) { - # $r->print("
$Disc{$_} --> $Slvd{$_}"); - # } } -#------- 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 $Sum=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++; - $Sum += $Dis[$CurDis]; - ($Prb,$tmp)=split(/\=/,$List[$nIdx]); - @Dis=split(/\+/,$tmp); - } while ( $Prb eq $Temp && $nIdx < $Count ); -# $Proc{$Temp}=$Sum.':'.$nStud; - $Proc{$Temp}=($Sum/$nStud).':'.$nStud; -# $r->print("$nIdx) $Temp --> ($nPrb) $Proc{$Temp}
"); - $Sum=0; - $nStud=0; +sub Build_log { + my $file="/home/minaeibi/act183.log"; + open(FILEID, "<$file"); + my $line; + my $count=0; + while ($line=
'.$time.':'.$who.'---'.$res); + &Update_PrgInit($count); + + } + } } - return %Proc; + +# my $c=1; +# foreach (sort keys %Activity) { +# $r->print('
'.$c.')'.$_.' ... '.$Activity{$_}); +# $c++; +# } + } -#------- Creating Discimination factor table -sub DiscriminationTable { +sub Activity { +# $rid=~/(\d+)\.(\d+)/; +# my $MapId=$1; +# my $PrbId=$2; +# my $MapOrg = $hash{'map_id_'.$MapId}; +# my $Map = &Apache::lonnet::declutter($MapOrg); +# my $URI = $hash{'src_'.$rid}; +# my $Symb = $Map.'___'.$PrbId.'___'.&Apache::lonnet::declutter($URI); + 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; - foreach (keys(%DiscFac)){ - $Count++; + while ($line=
$Count) ".localtime($date).": $who --> $res"); +# if ($post) { +# $Count++; +# $r->print("
$Count) Sent data ".join(':', +# &Apache::lonnet::unescape(@posts)).''); +# } + $r->rflush(); + } + #push (@allaccess,unescape($access)); + #print $machine; + } } - my $UpCnt = int(0.27*$Count); - $r->print("
". - "Current map: \"$CurMap\" ". - "Current Section: \"$CurSec\" ". - "Number of valid students: $Count". - "
The Upper 27% has $UpCnt records.". - " The Lower 27% has $UpCnt records
". - "The Criterion of sorting the students: ". - "( Sum of Partial Credits Awarded / ". - "Total Number of Tries )". - "
"); - $r->rflush(); - my $low=0; - my $up=$Count-$UpCnt; - my @UpList=(); - my @LowList=(); - $Count=0; - foreach my $key (sort(keys(%DiscFac))){ - $Count++; -# $r->print("$Count) $key
"); +# @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) { +# $r->print("
Sent data ".join(':',unescape(@posts)).''); +# } +# } +} - if ($low < $UpCnt || $Count > $up) { - $low++; - my $str=$DiscFac{$key}; -# $r->print("$Count) $str
"); - foreach(split(/\:/,$str)){ - if ($_) { - if ($low<$UpCnt){push(@LowList,$_);} - else {push(@UpList,$_);} - } - } + +sub InitAnalysis { + my ($uri,$part,$problem,$student,$courseID)=@_; + my ($uname,$udom)=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' => $uname, + 'grade_domain' => $udom, + 'grade_courseid' => $courseID, + 'grade_symb' => $problem)); +# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze')); + +# (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); + %Answer=(); + %Answer=&Apache::lonnet::str2hash($Answ); + + my $parts=''; + foreach my $elm (@{$Answer{"parts"}}) { + $parts.="$elm,"; + } + chop($parts); + my $conc=''; + foreach my $elm (@{$Answer{"$parts.concepts"}}) { + $conc.="$elm@"; + } + chop($conc); + + @Concepts=split(/\@/,$conc); + foreach my $concept (@{$Answer{"$parts.concepts"}}) { + foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) { + $foil_to_concept{$foil} = $concept; + #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"}; } } - my %Up=&ProcessDisc(@UpList); - my %Low=&ProcessDisc(@LowList); + return; +} - my @list = (); - my $Useful; - my $UnUseful; - $p_count = 0; - foreach my $key( keys %CachData) { - my @Temp=split(/\:/,$CachData{$key}); - ($UnUseful,$Useful)=split(/\>/,$Temp[0]); - $list[$p_count]=$Useful.'&'.$CachData{$key}; - $p_count++; +sub Interval { + my ($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; + } + $ConceptData{"Int.$Int"}=$due; + for (my $i=0;$i<$Int;$i++) { + for (my $n=0; $n<=$#Concepts; $n++ ) { + my $tmp=$Concepts[$n]; + $ConceptData{"$tmp.$i.true"}=0; + $ConceptData{"$tmp.$i.false"}=0; + } } +} - @list = sort MySort (@list); - my $Result = "\n".'
| P# | '; - $Result .= "\n".''.$Header{0}.' | '; - $Result .= "\n".''.'Discrimination Factor'.' | '; - $Result .= "\n".''.'%Upper Award'.' | '; - $Result .= "\n".''.'%Lower Award'.' | '; - $Result .= "\n".''.'Upper Records'.' | '; - $Result .= "\n".''.'Lower Records'.' | '; - $Result .= "\n".''.'%Degree of Difficulty'.' | '; - $Result .= "\n".'
|---|---|---|---|---|---|---|---|
| '.($nIdx+1).' | '. - "\n".''.$Temp.' | '. - "\n".''.$_Dis.' | '. - "\n".''.$U_Dis.' | '. - "\n".''.$L_Dis.' | '. - "\n".''.$UpNo.' | '. - "\n".''.$LwNo.' | '. - "\n".''.($DoD).' | '. - "\n".'
'.$uri.''); $r->rflush(); + + #Java script Progress window + &Create_PrgWin(); + &Update_PrgWin("Starting-to-analyze-problem"); + for (my $index=0;$index<(scalar @$students);$index++) { + &Update_PrgWin($index); + &OpStatus($problem,$students->[$index],$courseID); + } + &Close_PrgWin(); + + $r->print('
'); + for (my $k=0; $k<$interval; $k++ ) { + &DrawGraph($k,$title); + } + 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); + $r->print("
Here you can see the Problem:
$Answ"); } -sub CreateDiscFac { - my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". - "_$ENV{'user.domain'}_$cid\_statistics.db"; - my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". - "_$ENV{'user.domain'}_$cid\_DiscFactor.db"; - - my $ptr=''; -# $ptr .= '
Discrimination Criterion: '."\n". -# ' '."\n"; - $ptr .= '
'; - $r->print($ptr); - - if ((-e "$CacheDB")&& - ($ENV{'form.sort'} ne 'Recalculate Discrimintion Factor')) { - if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { - tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640); - #&DiscriminationTable(); - &Classify(); - } - else {$r->print("Unable to tie hash to db file");} - } - else { - if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { - tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); - foreach (keys %CachData) {delete $CachData{$_};} - foreach (keys %DiscFac) {delete $DiscFac{$_};} - $DiscFlag=1; - &Build_Statistics(); - $DiscFlag=0; - &DiscriminationTable(); +sub DrawTable { + my $k=shift; + my $Max=0; + my @data1; + my @data2; + my $Correct=0; + my $Wrong=0; + for (my $n=0; $n<=$#Concepts; $n++ ) { + my $tmp=$Concepts[$n]; + $data1[$n]=$ConceptData{"$tmp.$k.true"}; + $Correct+=$data1[$n]; + $data2[$n]=$ConceptData{"$tmp.$k.false"}; + $Wrong+=$data2[$n]; + my $Sum=$data1[$n]+$data2[$n]; + if ( $Max<$Sum ) {$Max=$Sum;} + } + for (my $n=0; $n<=$#Concepts; $n++ ) { + if ($data1[$n]+$data2[$n]<$Max) { + $data2[$n]+=$Max-($data1[$n]+$data2[$n]); } - else {$r->print("Unable to tie hash to db file");} } - untie(%CachData); - untie(%DiscFac); -} - - -# ------ Create different Student Report -sub StudentReport { - my ($sname,$sdom)=@_; - if ( $sname eq 'All Students' ) { - $r->print( '
WARNING: - 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 $ResId; - 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 $P_No = $#data1+1; +# $r->print('From: ['.localtime($ConceptData{'Int.'.($k-1)}). +# '] To: ['.localtime($ConceptData{"Int.$k"}).']'); my $Str = "\n".'
| # | '. - "\n".'Set Title | '. - "\n".'Results | '. - "\n".'Tries | '. + "\n".'Concept | '. + "\n".'Correct | '. + "\n".'Wrong | '. "\n".'
|---|---|---|---|---|---|---|
| $SetNo | ". - "\n"."$Set | ". - "\n"."$PtrCod | ". - "\n"."$PtrTry | ". - "\n"."|||
| ".($n+1)." | ". + "\n".''.$Concepts[$n]." | ". + "\n".''.$data1[$n]." | ". + "\n".''.$data2[$n]." | ". + "\n"."From:['.localtime($ConceptData{'Int.'.$k}). + '] To: ['.localtime($ConceptData{'Int.'.($k+1)}-1). + "] | $Correct | $Wrong | "; + + $Str .= "\n".'
');
+}
+
+
+sub Decide {
+ #deciding the true or false answer belongs to each interval
+ my ($type,$foil,$time)=@_;
+ my $k=0;
+ while ($time>$ConceptData{'Int.'.($k+1)} &&
+ $k<$ConceptData{'Interval'}) {$k++;}
+ $ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
+}
+
+#restore the student submissions and finding the result
+sub OpStatus {
+ my ($problem, $student, $courseID)=@_;
+ my ($username,$userdomain)=split(/':'/,$student);
+ my $code='U';
+ my %reshash=&Apache::lonnet::restore($problem, $courseID, $userdomain,
+ $username);
+ my @True = ();
+ my @False = ();
+ my $flag=0;
+ if ($reshash{'version'}) {
+ my $tries=0;
+ &Apache::lonhomework::showhash(%Answer);
+ for (my $version=1;$version<=$reshash{'version'};$version++) {
+ my $time=$reshash{"$version:timestamp"};
+
+ foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) {
+ if (($key=~/\.(\w+)\.(\w+)\.submission$/)) {
+ my $Id1 = $1; my $Id2 = $2;
+ #check if this is a repeat submission, if so skip it
+ if ($reshash{"$version:resource.$Id1.previous"}) { next; }
+ #if no solved this wasn't a real submission, ignore it
+ if (!defined($reshash{"$version:resource.$Id1.solved"})) {
+ &Apache::lonxml::debug("skipping ");
+ next;
+ }
+ my $Resp = $reshash{"$version:$key"};
+ my %submission=&Apache::lonnet::str2hash($Resp);
+ foreach (keys %submission) {
+ my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"};
+ if ($submission{$_}) {
+ if ($submission{$_} eq $Ansr) {
+ &Decide("true",$_,$time );
+ }
+ else {&Decide("false",$_,$time );}
}
- }
- }
- for ( my $n = 0; $n < $PartNo; $n++ ) {
- my $part = $TempHash{$n};
- if ($PtrTry ne '') {$PtrTry .= ',';}
- $PtrTry .= "$TempHash{$part.'.Tries'}";
- $PtrCod .= "$TempHash{$part.'.Code'}";
- }
- }
- else {
- for(my $n=0; $n<$PartNo; $n++) {
- if ($PtrTry ne '') {$PtrTry .= ',';}
- $PtrTry .= "0";
- $PtrCod .= "-";
- }
+ }
+ }
}
}
}
- $Str .= "\n".'';
- $r->print($Str);
- $r->rflush();
}
+#---- END Analyze Web Page ----------------------------------------------
+#---- Problem Statistics Web Page ---------------------------------------
-# ------------------------------------------- Prepare Statistics Table
-sub PreStatTable {
- my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$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";
- $r->print(''); +#------- Processing upperlist and lowerlist according to each problem +sub ProcessDiscriminant { + my ($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; + } - my $Ptr = ''; + return %Proc; +} - $Ptr .= '
Sorting Type: '."\n". - ' '."\n"; - $Ptr .= ' '; - $Ptr .= ''."\n"; - $Ptr .= ' '; - $Ptr .= ''."\n"; - $Ptr .= '
'. - ' #Stdnts: Total Number of Students opened the problem.'; - $r->print($Ptr); - $r->rflush(); - - my $Result = "\n".'
'. - ' 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 / #Stdns ]
'. - ' #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) ]
'. - ' S.D. : Standard Deviation of the tries.[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) where Xi is every student\'s tries ]
'. - ' Skew. : Skewness of the students tries. [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]
'. -# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]
'. - ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]
'. -# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]'. - '
| P# | '."\n"; - for ( my $nIdx=0; $nIdx < 12; $nIdx++ ) { - $Result .= ''.''.' | '."\n"; - } - $Result .= "\n".'
|---|
"'.$sequenceTitle.'","'); + $r->print($sequenceSource.'"'); + return; + } + + $r->print('
'.$sequenceTitle.''); -sub usection { - my ($udom,$unam,$courseid)=@_; - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; - map { - my ($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.'
'); - return $section; - } - } split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles', - &Apache::lonnet::homeserver($unam,$udom))); - return ''; + my $Result = "\n".'
| P# | '."\n"; + for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) { + $Result .= ''.''.' | '."\n"; + } + $Result .= "\n".'
|---|
'); - } split(/\&/,$reply); - foreach $ResId (@cols) { - if ( !$ResId ) { next; } - $ResId=~/(\d+)\.(\d+)/; - my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); - if ( $CurMap ne 'All Maps' ) { - my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); - if ( $Map ne $ResMap ) { next; } - } - my $meta=$hash{'src_'.$ResId}; - my $PartNo = 0; - $Dis .= ':'; - undef %TempHash; - map { - if ($_=~/^stores\_(\d+)\_tries$/) { - my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); - if ( $TempHash{"$Part"} eq '' ) { - $TempHash{"$Part"} = $Part; - $TempHash{$PartNo}=$Part; - $TempHash{"$Part.Code"} = 'U'; - $PartNo++; - } - } - } split(/\,/,&Apache::lonnet::metadata($meta,'keys')); + my $Discussed=0; - my $Prob = $Map.'___'.$2.'___'. - &Apache::lonnet::declutter( $hash{'src_'.$ResId} ); - $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"}; -#$r->print($Version.'---'.$Prob.'==='.$Time.'
'); - 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}"; - 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"}; - $TimeTot += $TempHash{"$part.Time"}; - $Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes; - $ptr .= "*$ResId:$TempHash{$part.'.Tries'}". - ":$TempHash{$part.'.Wrongs'}". - ":$TempHash{$part.'.Code'}"; -#$r->print($sname.' -- '.$ptr.'--- timestamp='.$TempHash{"$part.Time"}.'
'); - push (@list, $ptr); - $TotalOpend++; - $ProbTot++; - } + foreach my $sequence (split(':', $cache->{'orderedSequences'})) { + if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && + $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { + next; + } + + 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'}='-'; } - else { - for(my $n=0; $n<$PartNo; $n++) { - push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); - $ProbTot++; + + # 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; + $Discussed=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; + + if($_ > 1) { + $ptr .= "*(part $_)"; + $Dis .= '&'; + } + + my ($pr_no,$dod)=split('&',$ptr); + my $DoDiff=$DoDiff{$dod}; +# $r->print('
'.$name.'---'.$ptr.'==='.$DoDiff); + + my $Fac = ($partData{$_.':Tries'}) ? + ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0; + my $DisF; + if($Fac > 0 && $Fac < 1) { + $DisF = sprintf( "%.4f", $Fac ); + } else { + $DisF = $Fac; + } + + if ($Discuss{"$name:$problem"}) { + $TotDiscuss++; + $Discussed=1; + } + my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"}; + $Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes; + $ptr .= '&'.$partData{$_.'.Tries'}. + '&'.$partData{$_.'.Wrongs'}. + '&'.$partData{$_.'.Code'}; + push (@$list, $ptr."&$Discussed"); + +#### if ($DoDiff>0.85) { + + $TimeTot += $time; + + if ($Yes==1 && $partData{$_.'.Tries'}==1) { + $TotFirst++; + } + my $Acts= $Activity{$name.':'.$problem}; + if ($Acts) { + my $Pt=&ProcAct( $Acts, $time ); + #my ($spe,$beg) = split(/\+/,$Pt); + my $spe= $Pt; + if ($Yes==1) {$spent_yes += $spe;} + $spent += $spe; + #$Beg += $beg; +# $r->print('
'.$name.'---'.$problem.'---'.$spe); } - } + $TotalOpend++; + $ProbTot++; + + $tempProblemOrder++; + } } - if ( $TotalTries ) { - my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; -# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100); + my $pstr; + if($totalTries) { + my $DisFac = ($totalAwarded/$totalTries); 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.'
'); + 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}=$Dis; } } - #$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'
'); -} - -# ------------------------------------------------------------ Build page table -sub tracetable { - my ($rid,$beenhere)=@_; - $rid=~/(\d+)\.(\d+)/; - $maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$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; - #$maps{&Apache::lonnet::declutter($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.'&'); - - if ($hash{'src_'.$frid}) { - if ($hash{'src_'.$frid}=~ - /\.(problem|exam|quiz|assess|survey|form)$/) { - $cols[$#cols+1]=$frid; - } - } - } - } else { - if ($hash{'src_'.$rid}) { - if ($hash{'src_'.$rid}=~ - /\.(problem|exam|quiz|assess|survey|form)$/) { - $cols[$#cols+1]=$rid; - } - } - } - if (defined($hash{'to_'.$rid})) { - map { - &tracetable($hash{'goesto_'.$_},$beenhere); - } split(/\,/,$hash{'to_'.$rid}); - } - } + return (\%discriminantFactor); } + +=pod sub MySort { - if ( $Pos > 0 && $Pos < 11 ) { + if ( $Pos > 0 ) { if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} else { $a <=> $b; } } @@ -852,220 +848,414 @@ sub MySort { else { $a cmp $b; } } } +=cut -sub Build_Statistics { - $r->print(<
Computation Progress
'+ - ''+ - ''); - popwin.document.close(); - -ENDPOP - - $r->rflush(); -# ---------------------------- Gathering the Data of students' tries - my $index; - for ($index=0;$index<=$#students;$index++) { -#----------- update progress - $r->print(''); - $r->rflush(); +sub BuildStatisticsTable { + my ($cache,$discriminantFactor,$list,$headings,$students)=@_; - &ExtractStudentData($students[$index],$cid); - } -#--------------------- close Progress Line - $r->print(''); - $r->rflush(); -# -------------------- sorting the Data - @list = sort(@list); - $OpSel2=''; - $OpSel1='selected'; - - $p_count = 0; - my $nIdx = 0; - my $dummy; +#6666666 +# my $file="/home/httpd/perl/tmp/183d.txt"; +# open(OUT, ">$file"); +#6666666 + &Create_PrgWin(); +##777777 +## &LoadActivityLog(); +## $r->print(''); +## &LoadDoDiffFile(); + &LoadDiscussion(); + + my $p_count = 0; + my $nIndex = 0; + my $dummy; my $p_val; my $ResId; - my $NoElements = $#list + 1; -#-------------------------------- loop for data representation - while ( $nIdx < $NoElements ) { - my %storestats=(); - my ($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); - my $Temp = $Prob; - my $MxTries = 0; - my $TotalTries = 0; - my $YES = 0; - my $Incorrect = 0; - my $Override = 0; - my $StdNo = 0; - my @StdLst; - do { - $nIdx++; - $StdNo++; - $StdLst[ $StdNo ] = $Tries; - $TotalTries += $Tries; - if ( $MxTries < $Tries ) { $MxTries = $Tries; } - if ( $Code eq 'C' ){ $YES++; } - elsif( $Code eq 'I' ) { $Incorrect++; } - elsif( $Code eq 'O' ) { $Override++; } - elsif( $Code eq 'U' ) { $StdNo--; } - ($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); - } while ( $Prob eq $Temp && $nIdx < $NoElements ); - - $p_count++; + my $NoElements = scalar @$list; - ($Temp,$ResId)=split(/\*/,$Temp); - - $Temp = ''.$Temp.''; - - my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); - my $urlres=$res; + foreach my $sequence (split(':', $cache->{'orderedSequences'})) { + if($cache->{'ProblemStatisticsMap'} ne 'All Maps' && + $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) { + next; + } - $ResId=~/(\d+)\.(\d+)/; - my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); - $urlres=$Map; + &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'}, + $cache->{$sequence.':source'}, + $cache->{$sequence.':title'}, + $headings); + +##777777 +## &Classify($discriminantFactor, $students); + + + my ($Hid,$pr)=split(/\:/,$mapsort{$_}); + my @lpr=split(/\&/,$pr); + for (my $i=1; $i<=$#lpr; $i++) { + my %storestats=(); + my ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]); + my $Temp = $Prob; + my $MxTries = 0; + my $TotalTries = 0; + my $YES = 0; + my $Incorrect = 0; + my $Override = 0; + my $StdNo = 0; + my $DiscNo=0; + my @StdLst; + while ( $PrOrd == $lpr[$i] ) + { + $nIndex++; + $StdNo++; + $StdLst[ $StdNo ] = $Tries; + $TotalTries += $Tries; + if ( $MxTries < $Tries ) { $MxTries = $Tries; } + 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]); + } + + $p_count++; + my $Dummy; + ($ResId,$Dummy)=split(/\*/,$Temp); + + $Temp = ''.$hash{'title_'.$ResId}.$Dummy.''; + + my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); + my $urlres=$res; + + $ResId=~/(\d+)\.(\d+)/; + my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); + $urlres=$Map; - - $res = ''.$res.''; - - #$Map = ''.$res.''; + $res = ''.$res.''; + #$Map = ''.$res.''; #------------------------ Compute the Average of Tries about one problem - my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; + my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; - $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; - $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; - $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; + $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; + $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; + $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; #-------------------------------- Compute percentage of Wrong tries - my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; + my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; #-------------------------------- Compute Standard Deviation - my $StdDev = 0; - if ( $StdNo > 1 ) { - for ( my $n = 0; $n < $StdNo; $n++ ) { - my $Dif = $StdLst[ $n ]-$Average; - $StdDev += $Dif*$Dif; - } - $StdDev /= ( $StdNo - 1 ); - $StdDev = sqrt( $StdDev ); - } + my $StdDev = 0; + if ( $StdNo > 1 ) { + for ( my $n = 0; $n < $StdNo; $n++ ) { + my $Dif = $StdLst[ $n ]-$Average; + $StdDev += $Dif*$Dif; + } + $StdDev /= ( $StdNo - 1 ); + $StdDev = sqrt( $StdDev ); + } #-------------------------------- Compute Degree of Difficulty - my $DoDiff = 0; - if( $TotalTries > 0 ) { - $DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); + my $DoDiff = 0; + if( $TotalTries > 0 ) { + $DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); # $DoDiff = ($TotalTries)/($YES + $Override+ 0.1); - } + } - $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff; + $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff; #-------------------------------- Compute the Skewness - my $Skewness = 0; - my $Sum = 0; - if ( $StdNo > 0 && $StdDev > 0 ) { - for ( my $n = 0; $n < $StdNo; $n++ ) { - my $Dif = $StdLst[ $n ]-$Average; - $Skewness += $Dif*$Dif*$Dif; - } - $Skewness /= $StdNo; - $Skewness /= $StdDev*$StdDev*$StdDev; - } -#----------------- 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 ); - - $CachData{($p_count-1)}=$Temp.':'.$StdNo.':'.$TotalTries.':'. - $MxTries.':'.$Avg.':'.$YES.':'. - $Override.':'.$Wrng.':'.$SD.':'. - $Sk.':'.$DoD.':'.$Map.':'.$Prob; - - $urlres=~/^(\w+)\/(\w+)/; - if ($StdNo) { - &Apache::lonnet::put('resevaldata',\%storestats,$1,$2); - } + my $Skewness = 0; + my $Sum = 0; + if ( $StdNo > 0 && $StdDev > 0 ) { + for ( my $n = 0; $n < $StdNo; $n++ ) { + my $Dif = $StdLst[ $n ]-$Average; + $Skewness += $Dif*$Dif*$Dif; + } + $Skewness /= $StdNo; + $Skewness /= $StdDev*$StdDev*$StdDev; + } + +#--------------------- Compute the Discrimination Factors + my ($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); + 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 = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'. + $TotalTries.'&'.$MxTries.'&'.$Avg.'&'. + $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. + $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'. + $DiscNo.'&'.$Prob; + $CachData{($p_count-1)}=$join; + +#6666666 +# $r->print(''.$out.'&'.$DoD); +# print (OUT $out.'@'.$DoD.'&'); +#6666666 + + $urlres=~/^(\w+)\/(\w+)/; + if ($StdNo) { + &Apache::lonnet::put('resevaldata',\%storestats,$1,$2); + } #-------------------------------- Row of statistical table - if ( $DiscFlag == 0 ) { - $r->print( "\n".'
'.$Pre.'---'.$Post); + &TableRow($cache,$Post,$i,$nIndex); + $nIndex++; + } + &CloseTable($cache); + } + } + else { + &CreateProblemStatisticsTableHeading($cache,0); + for ( my $nIndex = 0; $nIndex < $p_count; $nIndex++ ) { + my($Pre, $Post) = split(/\@/,$list[$nIndex]); + &TableRow($cache,$Post,$nIndex,$nIndex); + } + &CloseTable($cache); + } +} +=cut + + + +sub TableRow { + my ($Str,$Idx,$RealIdx)=@_; + my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, + $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str); + if ($ENV{'form.showcsv'}) { + my ($ResId,$Dummy)=split(/\*/,$Prob); + my $Ptr = "\n".'
'. + "\n".'"'.($RealIdx+1).'",'. + "\n".'"'.$hash{'title_'.$ResId}.$Dummy.'",'. + "\n".'"'.$hash{'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.'"'; + + $r->print("\n".$Ptr); + } + 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 .= ' |
| Disc. | '; + $Ptr .= 'Number of Students had at least one discussion.'; + $Ptr .= ' |
Select number of intervals'."\n". + ''."\n"; + + return $Ptr; } +sub OptionResponseTable { + my ($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 .= '
'); - $section{$ssec}=$ssec; - if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { - $students[$StudNo]=$name; - $StuBox{$sname}=$ssec; - } - $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.'&'); + return $Str; +} + +#---- END Problem Analysis Web Page ------------------------------------------ + +#---- Student Assessment Web Page -------------------------------------------- + +# ------ Create different Student Report +sub StudentReport { + my ($cache, $name)=@_; + + my $Str = ''; + if($cache->{$name.':error'} =~ /course/) { + my ($username)=split(':',$name); + $Str .= 'No course data for student '; + $Str .= ''.$username.'.'; + return $Str; + } + + $Str .= "
| \# | Set Title | "; + $Str .= 'Results | Tries |
|---|---|---|---|
| '.$sequence.' | '; + $Str .= ''.$cache->{$sequence.':title'}.' | '; + + $codes = ''; + $attempts = ''; + 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'}='-'; + } + + # 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 $code='U'; + + $tries = $cache->{$name.":$Version:$problem". + ":resource.$part.tries"}; + $partData{$part.':tries'}=($tries) ? $tries : 0; + + my $val = $cache->{$name.":$Version:$problem". + ":resource.$part.solved"}; + if ($val eq 'correct_by_student') {$code = 'Y';} + elsif ($val eq 'correct_by_override') {$code = 'y';} + elsif ($val eq 'incorrect_attempted') {$code = 'N';} + elsif ($val eq 'incorrect_by_override'){$code = 'N';} + elsif ($val eq 'excused') {$code = 'x';} + $partData{$part.':code'}=$code; + } + } + + # Loop through all the parts for the current problem in the + # correct order and prepare the output + foreach (split(/\:/,$cache->{$sequence.':'.$problemID. + ':parts'})) { + $codes .= $partData{$_.':code'}.','; + $attempts .= $partData{$_.':tries'}.','; + } + } + $codes =~ s/,$//; + $attempts =~ s/,$//; + $Str .= ''.$codes.' | '; + $Str .= ''.$attempts.' | '; + $Str .= '
');
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['sort','download']);
+ &CheckFormElement($cache, 'Status', 'Status', 'Active');
+ &CheckFormElement($cache, 'postdata', 'reportSelected', 'Class list');
+ &CheckFormElement($cache, 'reportSelected', 'reportSelected',
+ 'Class list');
+ &CheckFormElement($cache, 'DownloadAll', 'DownloadAll', 'false');
+ &CheckFormElement($cache, 'sort', 'sort', 'fullname');
+ &CheckFormElement($cache, 'download', 'download', 'false');
+
+ if(defined($ENV{'form.CreateStudentAssessment'}) ||
+ defined($ENV{'form.NextStudent'}) ||
+ defined($ENV{'form.PreviousStudent'})) {
+ $cache->{'reportSelected'} = 'Student Assessment';
}
- else {
- $r->print('
');
-# ---------------------------------------------------------------- Course title
- $r->print('Course : "'. - $ENV{'course.'.$ENV{'request.course.id'}. - '.description'}.'"
'.localtime().'
'); -# ------------------------------- This is going to take a while, produce output - $r->rflush(); - - $r->print("\n".''. - "\n".''. - "\n".''); - $r->rflush(); + return; + + # Select page to display + if(defined($ENV{'form.ProblemStatistics'}) || + defined($ENV{'form.ProblemStatisticsRecalculate'}) || + defined($ENV{'form.DisplayCSVFormat'})) { + $cache->{'GoToPage'} = 'ProblemStatistics'; + &CheckFormElement($cache, 'DisplayCSVFormat', + 'DisplayFormat', 'Display Table Format'); + &CheckFormElement($cache, 'Ascend','ProblemStatisticsAscend', + 'Ascending'); + &CheckFormElement($cache, 'Maps', 'ProblemStatisticsMap', + 'All Maps'); + } elsif(defined($ENV{'form.ProblemAnalysis'})) { + $cache->{'GoToPage'} = 'ProblemAnalysis'; + &CheckFormElement($cache, 'Interval', 'Interval', '1'); + } elsif(defined($ENV{'form.DoDiffGraph'})) { + $cache->{'GoToPage'} = 'DoDiffGraph'; + } elsif(defined($ENV{'form.PercentWrongGraph'})) { + $cache->{'GoToPage'} = 'PercentWrongGraph'; + } elsif(defined($ENV{'form.ActivityLog'})) { + $cache->{'GoToPage'} = 'ActivityLog'; + } else { + $cache->{'GoToPage'} = 'Menu'; } + + &CheckFormElement($cache, 'Status', 'Status', 'Active'); + + return; } -sub StudentOptions { - my $OpSel5=''; - $CurStu = $ENV{'form.student'}; - if ( $CurStu eq '' ) { - $CurStu = 'All Students'; - $OpSel5 = 'selected'; - } - my $Ptr =''; -# ----------------------------------- Loading the Students Combobox - $Ptr .= 'Select Student'."\n". - ''; - $Ptr .= '
'; - $r->print( $Ptr ); - $r->rflush(); -} - -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'; } - $CurMap = $ENV{'form.maps'}; - if ( $CurMap eq '' ) { - $CurMap = 'All Maps'; - $OpSel3 = 'selected'; - } - $CurSec = $ENV{'form.section'}; - if ( $CurSec eq '' ) { - $CurSec = 'All Sections'; - $OpSel4 = 'selected'; + my $sortBy = ''; + if(defined($cache->{'sort'})) { + $sortBy = ':'.$cache->{'sort'}; } + my @order = sort { $cache->{$a.$sortBy} cmp $cache->{$b.$sortBy} || + $cache->{$a.':fullname'} cmp $cache->{$b.':fullname'} } + @sorted1Students; + + return \@order; } +sub PrepareData { + my ($c, $cacheDB)=@_; -sub MapSecOptions { -# ----------------------------------- Loading the Maps Combobox - my $Ptr = '
'; - $Ptr .= '
'; - $Ptr .= '
Select Map '."\n". - ''; - $Ptr .= ' '; -# ----------------------------------- Loading the Sections Combobox - $Ptr .= '
Select Section'."\n". - ''."\n"; - $r->print( $Ptr ); + if($c->aborted()) { + untie(%cache); + return 'aborted'; + } + + # Active is a temporary solution, remember to change + Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c); + if($c->aborted()) { + untie(%cache); + return 'aborted'; + } + + &ProcessFormData(\%cache); + my $students = &SortStudents(\%cache); + + if($cache{'download'} ne 'false') { + my $who = $cache{'download'}; + my $courseData = + &Apache::loncoursedata::DownloadStudentCourseInformation( + $who, $courseID, + $cache{$who.':lastDownloadTime'}); + &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData, $who); + $cache{'download'} = 'false'; + } elsif($cache{'DownloadAll'} ne 'false') { + my @allStudents; + if($cache{'DownloadAll'} eq 'sorted') { + @allStudents = @$students; + } else { + @allStudents = split(':::', $cache{'NamesOfStudents'}); + } + foreach (@allStudents) { + my $courseData = + &Apache::loncoursedata::DownloadStudentCourseInformation( + $_, $courseID, + $cache{$_.':lastDownloadTime'}); + &Apache::loncoursedata::ProcessStudentData(\%cache, $courseData, + $_); + if($c->aborted()) { + untie(%cache); + return 'aborted'; + } + } + $cache{'DownloadAll'} = 'false'; + } + + if($c->aborted()) { + untie(%cache); + return 'aborted'; + } + + if($c->aborted()) { + untie(%cache); + return 'aborted'; + } + + untie(%cache); + + return ('OK', $students); +} + +# Create progress +sub Create_PrgWin { + $r->print(<
Computation Progress
'+ + ''+ + ''); + popwin.document.close(); + +ENDPOP + $r->rflush(); } +# update progress +sub Update_PrgWin { + my ($totalStudents,$index,$name)=@_; + $r->print(''); + $r->rflush(); +} -# ================================================================ Main Handler +# close Progress Line +sub Close_PrgWin { + $r->print(''); + $r->rflush(); +} -sub handler { - $r=shift; +# For loading the colored table for display or un-colored for print +sub setbgcolor { + my $PrintTable=shift; + undef %color; + if ($PrintTable){ + $color{"gb"}="#FFFFFF"; + $color{"red"}="#FFFFFF"; + $color{"yellow"}="#FFFFFF"; + $color{"green"}="#FFFFFF"; + $color{"purple"}="#FFFFFF"; + } else { + $color{"gb"}="#DDFFFF"; + $color{"red"}="#FFDDDD"; + $color{"yellow"}="#EEFFCC"; + $color{"green"}="#DDFFDD"; + $color{"purple"}="#FFDDFF"; + } - if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { -# ------------------------------------------- Set document type for header only - if ($r->header_only) { - if ($ENV{'browser.mathml'}) { - $r->content_type('text/xml'); - } - else { - $r->content_type('text/html'); - } - &Apache::loncommon::no_cache($r); - $r->send_http_header; - return OK; - } - my $requrl=$r->uri; -# ----------------------------------------------------------------- Tie db file + return; +} - undef %hash; +sub initial { + undef %hash; + undef %CachData; + undef %GraphDat; + undef %ConceptData; + undef $GData; +} + +#---- END HELPER FUNCTIONS --------------------------------------------------- + +sub BuildProblemStatisticsPage { + my ($cacheDB, $students, $courseID, $c)=@_; + + my %cache; + unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { + $r->print('Unable to tie database.'); + return; + } - if ($ENV{'request.course.fn'}) { - my $fn=$ENV{'request.course.fn'}; - if (-e "$fn.db") { - if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { -# ------------------------------------------------------------------- Hash tied - $r->content_type('text/html'); - $r->send_http_header; - &Menu(); - } - else { - $r->content_type('text/html'); - $r->send_http_header; - $r->print('Coursemap undefined.'); - } -# ------------------------------------------------------------------ Untie hash - unless (untie(%hash)) { - &Apache::lonnet::logthis("WARNING: ". - "Could not untie coursemap $fn (browse)."); - } + my $Ptr = ''; + $Ptr .= '| Select Map | '."\n"; + $Ptr .= ''; + $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics'); + $Ptr .= ' |
');
+
+ return;
+}
+
+sub BuildWrongGraph {
+ my ($courseID)=@_;
+
+ my $graphData = &GetGraphData('WrongGraph', $courseID);
+ $r->print('');
+
+ return;
+}
+
+sub BuildAnalyzePage {
+ my ($cacheDB, $students, $courseID)=@_;
+
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('Unable to tie database.');
+ return;
+ }
+
+ &ShowOpGraph(\%cache, $students, $courseID);
+
+ untie(%cache);
+
+ return;
+}
+
+sub BuildProblemAnalysisPage {
+ my ($cacheDB)=@_;
+
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('Unable to tie database.');
+ return;
+ }
+
+ $r->print(&IntervalOptions());
+ $r->print(&OptionResponseTable(\%cache));
+
+ untie(%cache);
+
+ return;
+}
+
+sub BuildStudentAssessmentPage {
+ my ($cacheDB, $students, $courseID, $c)=@_;
+
+ my %cache;
+
+ my $Ptr = '';
+ $Ptr .= '| Select Map | '."\n"; + $Ptr .= ''; + $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'StudentAssessment'); + $Ptr .= ' | ||||||
| Select Student | '."\n"; + $Ptr .= ''."\n"; + $Ptr .= &Apache::lonhtmlcommon::StudentOptions(\%cache, $students, + $selectedName, + 'StudentAssessment'); + $Ptr .= ' | ||||||
';
+ $Ptr .= 'print($Ptr);
+
+ if($selectedName eq 'No Student Selected') {
+ $r->print('WARNING: '); + $r->print('Please select a student'); + return; + } + + my $selected=0; + foreach (@$students) { + next if ($_ ne $selectedName && + $selectedName ne 'All Students'); + $selected = 1; + my $courseData = + &Apache::loncoursedata::DownloadStudentCourseInformation($_, + $courseID); + last if ($c->aborted()); + if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) { + &Apache::loncoursedata::ProcessStudentData(\%cache, + $courseData, $_); + if(!$c->aborted()) { $r->print(&StudentReport(\%cache, $_)); } + untie(%cache); + } + } + if($selected == 0) { + $r->print('WARNING: '); + $r->print('Please select a student'); + return; + } + + return; +} + +sub BuildClasslist { + my ($cacheDB,$students,$studentInformation,$headings,$spacePadding)=@_; + + my %cache; + unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) { + return 'Unable to tie database.'; + } + + my $Str=''; + $Str .= '
|