--- loncom/interface/lonstatistics.pm 2002/03/02 01:42:42 1.5
+++ loncom/interface/lonstatistics.pm 2002/07/22 20:35:05 1.29
@@ -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 1.29 2002/07/22 20:35:05 stredwic Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -27,533 +27,819 @@
#
# (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
+# 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
+# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
# YEAR=2002
-# 1/22, 2/1, 2/6, 2/25 Behrouz Minaei
+# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
+# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei
+#
###
package Apache::lonstatistics;
-use strict;
+use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet();
use Apache::lonhomework;
+use Apache::loncommon;
+use Apache::loncoursedata;
+use Apache::lonhtmlcommon;
+use Apache::lonchart;
use HTML::TokeParser;
use GDBM_File;
-#use Benchmark;
# -------------------------------------------------------------- Module Globals
my %hash;
my %CachData;
my %GraphDat;
-my %maps;
-my %mapsort;
-my %section;
-my %StuBox;
-my %DiscFac;
-my $CurMap;
-my $CurSec;
-my $CurStu;
-my @cols;
-my @list;
-my @students;
-my $p_count;
-my $Pos;
my $r;
-my $OpSel1;
-my $OpSel2;
-my $OpSelDis1;
-my $OpSelDis2;
-my $CurDis=0;
-my $OpSel3;
-my $OpSel4;
my $GData;
-my $cid;
-my $firstres;
-my $lastres;
-my $DiscFlag;
-my $HWN;
-my $P_Order;
-my %Header = (0,"Homework Problems",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");
+my %color;
+my %foil_to_concept;
+my @Concepts;
+my %ConceptData;
+my %Answer=();
+my %mapsort;
-sub NumericSort {
- $a <=> $b;
-}
+my %Activity=();
+my %Grade=();
+my %DoDiff=();
+my %Discuss=();
+my $TotalDiscuss=0;
+my $TotalDiscuss_=0;
-# ------ Create different Student Report
-sub StudentReport {
- my ($sname,$sdom)=@_;
- if ( $sname eq 'All Students' ) {
- $r->print( '<h3><font color=blue>WARNING:
- Please select a student</font></h3>' );
- return;
- }
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome );
- my %result = ();
- 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 $Str = "\n".'<table border=2>'.
- "\n".'<tr>'.
- "\n".'<th> # </th>'.
- "\n".'<th> Set Title </th>'.
- "\n".'<th> Results </th>'.
- "\n".'<th> Tries </th>'.
- "\n".'</tr>';
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)){
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
- foreach my $CurCol (@cols) {
- if (!$CurCol){
- my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
- if ( $Set ) {
- $SetNo++;
- $Str .= "\n"."<tr>".
- "\n"."<td> $SetNo </td>".
- "\n"."<td> $Set </td>".
- "\n"."<td> $PtrCod </td>".
- "\n"."<td> $PtrTry</td>".
- "\n"."</tr>";
- }
- $PtrTry='';
- $PtrCod='';
- next;
- }
- ($PrOrd,$ResId)=split(/\:/,$CurCol);
- $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 $PartNo = 0;
- undef %TempHash;
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){
- if ($_=~/^stores\_(\d+)\_tries$/) {
- my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
- if ( $TempHash{"$Part"} eq '' ) {
- $TempHash{"$Part"} = $Part;
- $TempHash{$PartNo}=$Part;
- $TempHash{"$Part.Code"} = '-';
- $TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
- $PartNo++;
- }
- }
- }
- my $Prob = $Map.'___'.$2.'___'.
- &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
- $Code='U';
- $Tries = 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"};
- $TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0;
- $TotalTries += $Tries;
- my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
- if ( $Val eq 'correct_by_student' )
- { $Wrongs = $Tries - 1; $Code = 'Y'; }
- elsif ( $Val eq 'correct_by_override' )
- { $Wrongs = $Tries - 1; $Code = 'y'; }
- elsif ( $Val eq 'incorrect_attempted' ||
- $Val eq 'incorrect_by_override' )
- { $Wrongs = $Tries; $Code = 'N'; }
- $TempHash{"$Part.Code"} = $Code;
- $TempHash{"$Part.Wrongs"} = $Wrongs;
- }
- }
- }
- 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 .= "-";
- }
+sub LoadDiscussion {
+# my $symb=shift;
+# $r->print('<br>$cid ... '.$symb);
+# my %contrib=&Apache::lonnet::dump('msu_2964385f9033c63msul1','msu','2964385f9033c63msul1');
+ my $cid=$ENV{'request.course.id'};
+ my %contrib=&Apache::lonnet::dump(
+ $ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+ foreach my $temp(keys %contrib) {
+ if ($temp=~/^version/) {
+ my $ver=$contrib{$temp};
+ my ($dummy,$prb)=split(':',$temp);
+ for (my $idx=1; $idx<=$ver; $idx++ ) {
+ my $name=$contrib{"$idx:$prb:sendername"};
+ $Discuss{"$name:$prb"}=$idx;
}
- }
- }
- $Str .= "\n".'</table>';
- $r->print($Str);
- $r->rflush();
+ }
+ }
+# $r->print('<br>cid='.$cid);
+# my %contrib=&Apache::lonnet::restore($symb,$cid,
+# $ENV{$cid.'.domain'},
+# $ENV{'course.'.$cid.'.num'});
+
+# $Apache::lonxml::debug=1;
+# &Apache::lonhomework::showhash(%Discuss);
+# $Apache::lonxml::debug=0;
}
-sub CreateTable {
- my ($Hd, $Hid)=@_;
- if ( $Hd == 1 ) {
-# $Hid=~/(\d+)\.(\d+)/;
- $r->print('<br><a href="'.$hash{'src_'.$Hid}.
- '" target="_blank">'.$hash{'title_'.$Hid}.'</a>'
-# .' ('.&Apache::lonnet::declutter($hash{'map_id_'.$1}).')'
- );
- }
- my $Result = "\n".'<table border=2>';
- $Result .= '<tr><th>P#</th>'."\n";
- for ( my $nIdx=0; $nIdx < 11; $nIdx++ ) {
- $Result .= '<th>'.'<input type="submit" name="sort" value="'.
- $Header{$nIdx}.'" />'.'</th>'."\n";
+sub LoadDoDiffFile {
+ my $file="/home/minaeibi/183d.txt";
+ open(FILEID, "<$file");
+ my $line=<FILEID>;
+ %DoDiff=();
+ my @Act=split('&',$line);
+
+# $r->print('<br>'.$#Act);
+ for(my $n=0;$n<=$#Act;$n++){
+ my ($res,$Degree)=split('@',$Act[$n]);
+ $DoDiff{$res}=$Degree;
}
- $Result .= "\n".'</tr>'."\n";
- $r->print( $Result );
- $r->rflush();
}
-sub CloseTable {
- $r->print("\n".'</table>'."\n");
- $r->rflush();
+
+sub LoadClassFile {
+ my $file="/home/minaeibi/class.txt";
+ open(FILEID, "<$file");
+ my $line;
+ %Grade=();
+ while ($line=<FILEID>) {
+ my ($id,$ex1,$ex2,$ex3,$ex4,$hw,$final,$grade)=split(' ',$line);
+ $Grade{$id}=$grade;
+ }
}
-
-# ------------------------------------------- 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('<br><input type="submit" name="sort" value="Recalculate Statistics" />');
- my $Ptr = '';
- $Ptr .= '<br><b> Sorting Type: </b>'."\n".
- '<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n".
- '<option '.$OpSel2.'>Descending</option> </select> '."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n";
- $Ptr .= ' ';
- $Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n";
+#------- Classification
+sub Classify {
+ my ($DiscFac, $students)=@_;
+ &LoadClassFile();
+ my $Count=0;
+ my @List=();
+ my @LS=();
+ my @LF=();
+ my @LM=();
+ my $cf=0;
+ my $cs=0;
+ 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++){$r->print('<br>'.$LS[$n]);}
+ for(my $n=0;$n<$cm;$n++){$r->print('<br>'.$LM[$n]);}
+ for(my $n=0;$n<$cf;$n++){$r->print('<br>'.$LF[$n]);}
+}
- $Ptr .= '<pre>'.
- ' #Stdnts: Total Number of Students opened the problem.<br>'.
- ' Tries : Total Number of Tries for solving the problem.<br>'.
- ' Mod : Maximunm Number of Tries for solving the problem.<br>'.
- ' Mean : Average Number of the tries. [ Tries / #Stdnts ]<br>'.
- ' #YES : Number of students solved the problem correctly.<br>'.
- ' #yes : Number of students solved the problem by override.<br>'.
- ' %Wrng : Percentage of students tried to solve the problem but'.
- ' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'.
-# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'.
- ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'.
- ' S.D. : Standard Deviation of the tries.'.
- '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
- ' where Xi denotes every student\'s tries ]<br>'.
- ' Skew. : Skewness of the students tries.'.
- ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'.
-# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]</b>'.
- '</pre>';
+sub ProcAct {
+ # return;
+ my ($Act,$Submit)=@_;
+ my @Act=split(/\@/,$Act);
+ @Act = sort(@Act);
+
+ ##$r->print('<br>'.$#Act);
+ ##for(my $n=0;$n<=$#Act;$n++){
+## $r->print('<br>n='.$n.')'.$Act[$n]);
+## }
+
+# my $Beg=$Act[0];
+ my $Dif=$Submit-$Act[0];
+ $Dif = ($Dif>0) ? ($Dif/3600) : 0;
+
+# $r->print('<br>Access Number = '.$#Act.'<br>Submit Time='.$Submit.'<br>First Access='.$Act[0].'<br>Last Access='.$Act[$#Act].'<br> Submit - First = <b>'.$Dif.'</b>');
- $r->print($Ptr);
- $r->rflush();
- if ((-e "$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();
+#time spent for solving the problem
+# $r->print('<br>Def'.($Act[$#Act-1]-$Act[0]));
+
+ return $Dif;
+}
+
+
+
+sub LoadActivityLog {
+# my $CacheDB = "/home/minaeibi/act183.log.cache";
+ my $CacheDB = "/home/httpd/perl/tmp/act183.log.cache";
+
+ if (-e "$CacheDB") {
+ if (tie(%Activity,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
+ return;
}
else {
- $r->print("Unable to tie hash to db file");
+ $r->print("Unable to tie log Cache hash to db file");
}
}
else {
- if (tie(%CachData,'GDBM_File',$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 $CachData{$_};}
- $DiscFlag=0;
- &Build_Statistics();
+ if (tie(%Activity,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
+ foreach (keys %Activity) {delete $Activity{$_};}
+ &Build_log();
}
else {
- $r->print("Unable to tie hash to db file");
+ $r->print("Unable to tie log Build hash to db file");
}
}
- #$r->print('Total instances of the problems : '.($p_count*($#students+1)));
+}
+
+sub Build_log {
+ my $file="/home/minaeibi/act183.log";
+ open(FILEID, "<$file");
+ my $line;
+ my $count=0;
+ while ($line=<FILEID>) {
+ my ($time,$machine,$what)=split(':',$line);
+ $what=&Apache::lonnet::unescape($what);
+ my @accesses=split('&',$what);
+
+ foreach my $access (@accesses) {
+
+ $count++;
+
+ my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
+ if (!$resource) { next; }
+ my $res=&Apache::lonnet::unescape($resource);
+ if (($res =~ /\.problem/)) {
+ $Activity{$who.':'.$res}.=$date.'@';
+ #$r->print('<br>'.$time.':'.$who.'---'.$res);
+ &Update_PrgInit($count);
+
+ }
+ }
+ }
+
+# my $c=1;
+# foreach (sort keys %Activity) {
+# $r->print('<br>'.$c.')'.$_.' ... '.$Activity{$_});
+# $c++;
+# }
- untie(%CachData);
- untie(%GraphDat);
- untie(%DiscFac);
+}
+
+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("<br>Using $file");
+ $r->rflush();
+ open(FILEID, "<$file");
+ my $line;
+ my @allaccess;
+ my $Count=0;
+ while ($line=<FILEID>) {
+ my ($time,$machine,$what)=split(':',$line);
+ $what=&Apache::lonnet::unescape($what);
+ my @accesses=split('&',$what);
+ foreach my $access (@accesses) {
+ my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
+ #if ($who ne $userid) { next; }
+ if (!$resource) { next; }
+ my $res=&Apache::lonnet::unescape($resource);
+ if (($res =~ /\.(sequence|problem|htm|html|page)/)) {
+ $Count++;
+ $r->print("<br>$Count) ".localtime($date).": $who --> $res");
+# if ($post) {
+# $Count++;
+# $r->print("<br><b>$Count) Sent data ".join(':',
+# &Apache::lonnet::unescape(@posts)).'</b>');
+# }
+ $r->rflush();
+ }
+ #push (@allaccess,unescape($access));
+ #print $machine;
+ }
+ }
+# @allaccess=sort(@allaccess);
+# $Count=0;
+# foreach my $access (@allaccess) {
+# my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
+# $Count++;
+# $r->print("<br>$Count) $date: $who --> $resource");
+# $r->rflush();
+# if ($post) {
+# $r->print("<br><b>Sent data ".join(':',unescape(@posts)).'</b>');
+# }
+# }
}
-# ------------------------------------- Find the section of student in a course
-
-sub usection {
- my ($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.'<br>');
- return $section;
- }
- } split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
- &Apache::lonnet::homeserver($unam,$udom)));
- return '';
+sub InitAnalysis {
+ my ($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.$foil"};
+ }
+ }
+
+ return;
}
-# ------ Dump the Student's DB file and handling the data for statistics table
+sub Interval {
+ my ($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.$i.false"}=0;
+ }
+ }
+}
+
+
+sub ShowOpGraph {
+ my ($cache, $students, $courseID)=@_;
+ my $uri = $cache->{'AnalyzeURI'};
+ my $part = $cache->{'AnalyzePart'};
+ my $problem = $cache->{'AnalyzeProblem'};
+ my $title = $cache->{'AnalyzeTitle'};
+ my $interval = $cache->{'Interval'};
+ $ConceptData{"Interval"} = $interval;
+
+ #Initialize the option response true answers
+ &InitAnalysis($uri, $part, $problem, $students->[0],$courseID);
+
+ #compute the intervals
+ &Interval($part,$problem);
+
+ $title =~ s/\ /"_"/eg;
+ $r->print('<br><b>'.$uri.'</b>');
+ $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('<br>');
+ 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);
+ $r->print("<br><b>Here you can see the Problem:</b><br>$Answ");
+}
+
+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]);
+ }
+ }
+ my $P_No = $#data1+1;
+# $r->print('<br><b>From: ['.localtime($ConceptData{'Int.'.($k-1)}).
+# '] To: ['.localtime($ConceptData{"Int.$k"}).']</b>');
+ my $Str = "\n".'<table border=2>'.
+ "\n".'<tr>'.
+ "\n".'<th> # </th>'.
+ "\n".'<th> Concept </th>'.
+ "\n".'<th> Correct </th>'.
+ "\n".'<th> Wrong </th>'.
+ "\n".'</tr>';
+
+ for (my $n=0; $n<=$#Concepts; $n++ ) {
+ $Str .= "\n"."<tr>".
+ "\n"."<td>".($n+1)."</td>".
+ "\n".'<td bgcolor='.$color{"yellow"}.'> '.$Concepts[$n]." </td>".
+ "\n".'<td bgcolor='.$color{"green"}.'> '.$data1[$n]." </td>".
+ "\n".'<td bgcolor='.$color{"red"}.'> '.$data2[$n]." </td>".
+ "\n"."</tr>";
+ }
+ $Str.='<td></td><td><b>From:['.localtime($ConceptData{'Int.'.$k}).
+ '] To: ['.localtime($ConceptData{'Int.'.($k+1)}-1).
+ "]</b></td><td>$Correct</td><td>$Wrong</td>";
+
+ $Str .= "\n".'</table>';
+
+ $r->print($Str);
+#$Apache::lonxml::debug=1;
+#&Apache::lonhomework::showhash(%ConceptData);
+#$Apache::lonxml::debug=0;
+}
+
+
+sub DrawGraph {
+ my ($k,$Src)=@_;
+ my $Max=0;
+ my @data1;
+ my @data2;
+
+ # Adjust Data and find the Max
+ for (my $n=0; $n<=$#Concepts; $n++ ) {
+ my $tmp=$Concepts[$n];
+ $data1[$n]=$ConceptData{"$tmp.$k.true"};
+ $data2[$n]=$ConceptData{"$tmp.$k.false"};
+ 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]);
+ }
+ }
+ my $P_No = $#data1+1;
+
+ if ( $Max > 1 ) {
+ $Max += (10 - $Max % 10);
+ $Max = int($Max);
+ } else { $Max = 1; }
+
+ my $Titr=($ConceptData{'Interval'}>1) ? $Src.'_interval_'.($k+1) : $Src;
+# $GData=$Titr.'&Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2;
+ $GData="$Titr&Concepts&Answers&$Max&$P_No&".
+ (join(',',@data1)).'&'.(join(',',@data2));
+
+ $r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" border=1/>');
+}
+
+
+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 $Ansr) {
+ &Decide("true",$_,$time );
+ }
+ else {&Decide("false",$_,$time );}
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+
+#---- END Analyze Web Page ----------------------------------------------
+
+#---- Problem Statistics Web Page ---------------------------------------
+
+#------- Processing upperlist and lowerlist according to each problem
+sub ProcessDiscriminant {
+ my ($List) = @_;
+ my @sortedList = sort (@$List);
+ my $Count = scalar @sortedList;
+ my $Problem;
+ my @Dis;
+ my $Slvd=0;
+ my $tmp;
+ my $Sum1=0;
+ my $Sum2=0;
+ my $nIndex=0;
+ my $nStudent=0;
+ my %Proc=undef;
+ while ($nIndex<$Count) {
+ ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
+ @Dis=split(/\+/,$tmp);
+ my $Temp = $Problem;
+ do {
+ $nIndex++;
+ $nStudent++;
+ $Sum1 += $Dis[0];
+ $Sum2 += $Dis[1];
+ ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
+ @Dis=split(/\+/,$tmp);
+ } while ( $Problem eq $Temp && $nIndex < $Count );
+# $Proc{$Temp}=($Sum1/$nStudent).':'.$nStudent;
+ $Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent);
+# $r->print("$nIndex) $Temp --> ($nStudent) $Proc{$Temp} <br>");
+ $Sum1=0;
+ $Sum2=0;
+ $nStudent=0;
+ }
+
+ return %Proc;
+}
+
+
+
+#------- Creating Discimination factor
+sub Discriminant {
+ my ($discriminantFactor)=@_;
+ my @discriminantKeys=keys(%$discriminantFactor);
+ my $Count = scalar @discriminantKeys;
+
+ my $UpCnt = int(0.27*$Count);
+ my $low=0;
+ my $up=$Count-$UpCnt;
+ my @UpList=();
+ my @LowList=();
+
+ $Count=0;
+ foreach my $key (sort(@discriminantKeys)) {
+ $Count++;
+ if($low < $UpCnt || $Count > $up) {
+ $low++;
+ my $str=$discriminantFactor->{$key};
+ foreach(split(/\:/,$str)){
+ if($_) {
+ if($low<$UpCnt) { push(@LowList,$_); }
+ else { push(@UpList,$_); }
+ }
+ }
+ }
+ }
+ my %DisUp = &ProcessDiscriminant(\@UpList);
+ my %DisLow = &ProcessDiscriminant(\@LowList);
+
+ return (\%DisUp, \%DisLow);
+}
+
+
+sub NumericSort {
+ $a <=> $b;
+}
+
+
+sub CreateProblemStatisticsTableHeading {
+ my ($displayFormat,$sequenceSource,$sequenceTitle,$headings)=@_;
+ if($displayFormat eq 'Display CSV Format') {
+ $r->print('<br>"'.$sequenceTitle.'","');
+ $r->print($sequenceSource.'"');
+ return;
+ }
+
+ $r->print('<br><a href="'.$sequenceSource.
+ '" target="_blank">'.$sequenceTitle.'</a>');
+
+ my $Result = "\n".'<table border=2><tr><th>P#</th>'."\n";
+ for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) {
+ $Result .= '<th>'.'<input type="submit" name="';
+ $Result .= 'ProblemStatisticsHeading" value="';
+ $Result .= $headings->{$nIndex}.'" />'.'</th>'."\n";
+ }
+ $Result .= "\n".'</tr>'."\n";
+ $r->print($Result);
+ $r->rflush();
+}
+
+sub CloseTable {
+ my ($cache)=@_;
+ if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
+ return;
+ }
+ $r->print("\n".'</table>'."\n");
+ $r->rflush();
+}
+
+
+
+# ------ Dump the Student's DB file and handling the data for statistics table
sub ExtractStudentData {
- my ($student,$coid)=@_;
- my ($sname,$sdom) = split( /\:/, $student );
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
- my %result = ();
- my $ResId;
- my $PrOrd;
- my $Dis = '';
- my $Code;
- my $Tries;
- my $ParCr;
- my $TotalTries = 0;
+ my ($cache,$name,$list)=@_;
+ my %discriminantFactor;
+
+ my $totalTries = 0;
+ my $totalAwarded = 0;
+ my $tempProblemOrder=0;
+ my $spent=0;
+ my $spent_yes=0;
+ my $TotDiscuss=0;
my $TotalOpend = 0;
my $ProbSolved = 0;
my $ProbTot = 0;
+ my $TotFirst = 0;
my $TimeTot = 0;
- my $TotParCr = 0;
- my $Wrongs;
- my %TempHash;
- my $Version;
- my $LatestVersion;
- my $SecLimit;
- my $MapLimit;
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)) {
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
- foreach my $CurCol(@cols) {
- ($PrOrd,$ResId)=split(/\:/,$CurCol);
- if ( !$CurCol ) { next; }
- $ResId=~/(\d+)\.(\d+)/;
- my $MapId=$1;
- my $PrbId=$2;
- my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$MapId} );
- 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 ($_=~/^stores\_(\d+)\_tries$/) {
- 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 $Discussed=0;
+
+ 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'}='-';
}
- my $Prob = $Map.'___'.$PrbId.'___'.
- &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.'<br>');
- 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"};
- $TimeTot += $TempHash{"$part.Time"};
- $Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes;
- $ptr .= ":$TempHash{$part.'.Tries'}".
- ":$TempHash{$part.'.Wrongs'}".
- ":$TempHash{$part.'.Code'}";
- push (@list, $ptr);
- $TotalOpend++;
- $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};
+# $r->print('<br>'.$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;
+# $r->print('<br>'.$name.'---'.$problem.'---'.$spe);
}
+ $TotalOpend++;
+ $ProbTot++;
+
+ $tempProblemOrder++;
}
- #else {
- #for(my $n=0; $n<$PartNo; $n++) {
- # push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U");
- # $ProbTot++;
- #}
- #}
- }
- 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.$sname.'<br> --- Dis= '.$Dis.'<br>');
+ 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.'<br>');
-}
-
-# ------------------------------------------------------------ Build page table
-sub tracetable {
- my ($rid,$beenhere)=@_;
- $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} = $rid.':';
- #$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 $PartNo = 0;
- if ($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');
- $P_Order++;
- $mapsort{$HWN} .= '&'.$P_Order;
- $PartNo++;
- $r->print('<br>'.$PartNo.'---'.$P_Order);
- }
- }
- }
- }
- }
- } 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 (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
- &Apache::lonnet::metadata($meta,$_.'.part');
- $P_Order++;
- $mapsort{$HWN} .= '&'.$P_Order;
- $PartNo++;
- }
- }
- }
- }
- }
- if (defined($hash{'to_'.$rid})) {
- foreach (split(/\,/,$hash{'to_'.$rid})){
- &tracetable($hash{'goesto_'.$_},$beenhere);
- }
- }
- }
+ return (\%discriminantFactor);
}
+
+=pod
sub MySort {
- if ( $Pos > 0 && $Pos < 11 ) {
+ if ( $Pos > 0 ) {
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;}
else { $a <=> $b; }
}
@@ -562,56 +848,50 @@ sub MySort {
else { $a cmp $b; }
}
}
+=cut
-sub Build_Statistics {
- $r->print(<<ENDPOP);
- <script>
- popwin=open('','popwin','width=400,height=100');
- popwin.document.writeln('<html><body bgcolor="#7777EE">'+
- '<title>LON-CAPA Statistics</title>'+
- '<h4>Computation Progress</h4>'+
- '<form name=popremain>'+
- '<input type=text size=35 name=remaining value=Starting></form>'+
- '</body></html>');
- popwin.document.close();
- </script>
-ENDPOP
+sub BuildStatisticsTable {
+ my ($cache,$discriminantFactor,$list,$headings,$students)=@_;
- $r->rflush();
-# ---------------------------- Gathering the Data of students' tries
- my $index;
- for ($index=0;$index<=$#students;$index++) {
-#----------- update progress
- $r->print('<script>popwin.document.popremain.remaining.value="'.
- 'Computing '.($index+1).'/'.($#students+1).': '.
- $students[$index].'";</script>');
- $r->rflush();
-
- &ExtractStudentData($students[$index],$cid);
- }
-#--------------------- close Progress Line
- $r->print('<script>popwin.close()</script>');
- $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('<script>popwin.document.popremain.remaining.value="'.
+## 'Loading Discussion...";</script>');
+## &LoadDoDiffFile();
+ &LoadDiscussion();
+
+ 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'},
+ $headings);
+
+##777777
+## &Classify($discriminantFactor, $students);
+
+
my ($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,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
my $Temp = $Prob;
my $MxTries = 0;
my $TotalTries = 0;
@@ -619,10 +899,11 @@ ENDPOP
my $Incorrect = 0;
my $Override = 0;
my $StdNo = 0;
+ my $DiscNo=0;
my @StdLst;
while ( $PrOrd == $lpr[$i] )
{
- $nIdx++;
+ $nIndex++;
$StdNo++;
$StdLst[ $StdNo ] = $Tries;
$TotalTries += $Tries;
@@ -631,7 +912,7 @@ 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,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
}
$p_count++;
@@ -640,7 +921,7 @@ ENDPOP
$Temp = '<a href="'.$hash{'src_'.$ResId}.
'" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>';
-
+
my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId});
my $urlres=$res;
@@ -690,106 +971,291 @@ ENDPOP
$Skewness += $Dif*$Dif*$Dif;
}
$Skewness /= $StdNo;
- $Skewness /= $StdDev*$StdDev*$StdDev;
+ $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 = $PrOrd.':'.$Temp.':'.$StdNo.':'.
- $TotalTries.':'.$MxTries.':'.$Avg.':'.
- $YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.
- $SD.':'.$Sk.':'.$Map.':'.$Prob;
+ 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
+# $r->print('<br>'.$out.'&'.$DoD);
+# print (OUT $out.'@'.$DoD.'&');
+#6666666
+
$urlres=~/^(\w+)\/(\w+)/;
if ($StdNo) {
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2);
}
#-------------------------------- Row of statistical table
- if ( $DiscFlag == 0 ) {
- &TableRow($join,$i,($p_count-1));
- }
+ &TableRow($cache,$join,$i,($p_count-1));
}
- &CloseTable();
+ &CloseTable($cache);
}
+ &Close_PrgWin();
+#666666
+# close( OUT );
+#666666
}
+=pod
sub Cache_Statistics {
+ my ($cache)=@_;
my @list = ();
my $Useful;
my $UnUseful;
+# $r->print('<input type="hidden" name="show" value="excel" />'."\n");
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 || $Pos == 11 ) {
+ my @Temp=split(/\&/,$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++;
}
@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[$nIdx]);
- &TableRow($Post,$i,$nIdx);
- $nIdx++;
+ my($Pre, $Post) = split(/\@/,$list[$nIndex]);
+ #$r->print('<br>'.$Pre.'---'.$Post);
+ &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,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,
- $Override,$Wrng,$DoD,$SD,$Sk,$res,$Prob)=split(/\:/,$Str);
- $r->print( "\n".'<tr>'.
+ my($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 $Ptr = "\n".'<br>'.
+ "\n".'"'.($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 $Ptr = "\n".'<tr>'.
"\n".'<td>'.($RealIdx+1).'</td>'.
- "\n".'<td bgcolor="#FFFFFF">'.$Temp.'</td>'.
- "\n".'<td bgcolor="#EEFFDD"> '.$StdNo.'</td>'.
- "\n".'<td bgcolor="#EEFFDD">'.$TotalTries.'</td>'.
- "\n".'<td bgcolor="#EEFFDD">'.$MxTries.'</td>'.
- "\n".'<td bgcolor="#DDFFFF">'.$Avg.'</td>'.
- "\n".'<td bgcolor="#DDFFFF"> '.$YES.'</td>'.
- "\n".'<td bgcolor="#DDFFFF"> '.$Override.'</td>'.
- "\n".'<td bgcolor="#FFDDDD"> '.$Wrng.'</td>'.
- "\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'.
- "\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'.
- "\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'.
-# "\n".'<td>'.$res.'</td>'.
- "\n".'</tr>' );
+ # "\n".'<td>'.$PrOrd.$Temp.'</td>'.
+ "\n".'<td>'.$Temp.'</td>'.
+ "\n".'<td bgcolor='.$color{"yellow"}.'> '.$StdNo.'</td>'.
+ "\n".'<td bgcolor='.$color{"yellow"}.'>'.$TotalTries.'</td>'.
+ "\n".'<td bgcolor='.$color{"yellow"}.'>'.$MxTries.'</td>'.
+ "\n".'<td bgcolor='.$color{"gb"}.'>'.$Avg.'</td>'.
+ "\n".'<td bgcolor='.$color{"gb"}.'> '.$YES.'</td>'.
+ "\n".'<td bgcolor='.$color{"gb"}.'> '.$Override.'</td>'.
+ "\n".'<td bgcolor='.$color{"red"}.'> '.$Wrng.'</td>'.
+ "\n".'<td bgcolor='.$color{"red"}.'> '.$DoD.'</td>'.
+ "\n".'<td bgcolor='.$color{"green"}.'> '.$SD.'</td>'.
+ "\n".'<td bgcolor='.$color{"green"}.'> '.$Sk.'</td>'.
+ "\n".'<td bgcolor='.$color{"purple"}.'> '.$_D1.'</td>'.
+ "\n".'<td bgcolor='.$color{"purple"}.'> '.$_D2.'</td>'.
+ "\n".'<td bgcolor='.$color{"yellow"}.'> '.$DiscNo.'</td>';
+ $r->print("\n".$Ptr.'</tr>' );
+ }
$GraphDat{$RealIdx}=$DoD.':'.$Wrng;
}
+sub StatusOptions {
+ my ($cache)=@_;
+
+ my $Status = $cache->{'Status'};
+ my $OpSel1 = '';
+ my $OpSel2 = '';
+ my $OpSel3 = '';
+
+ if($Status eq 'Any') { $OpSel3 = ' selected'; }
+ elsif($Status eq 'Expired' ) { $OpSel2 = ' selected'; }
+ else { $OpSel1 = ' selected'; }
+
+ my $Ptr = '';
+ $Ptr .= '<tr><td align="right"><b>Student Status:</b></td>'."\n";
+ $Ptr .= '<td align="left"><select name="Status">';
+ $Ptr .= '<option'.$OpSel1.'>Active</option>'."\n";
+ $Ptr .= '<option'.$OpSel2.'>Expired</option>'."\n";
+ $Ptr .= '<option'.$OpSel3.'>Any</option>'."\n";
+ $Ptr .= '</select></td></tr>'."\n";
+
+ return $Ptr;
+}
+
+sub AscendOrderOptions {
+ my ($cache)=@_;
+
+ my $order = $cache->{'Ascend'};
+ my $OpSel1 = '';
+ my $OpSel2 = '';
+
+ if($order eq 'Ascending') {
+ $OpSel1 = ' selected';
+ } else {
+ $OpSel2 = ' selected';
+ }
+
+ my $Ptr = '';
+ $Ptr .= '<tr><td align="right"><b>Sorting Type:</b></td>'."\n";
+ $Ptr .= '<td align="left"><select name="Ascend">'."\n";
+ $Ptr .= '<option'.$OpSel1.'>Ascending</option>'."\n".
+ '<option'.$OpSel2.'>Descending</option>'."\n";
+ $Ptr .= '</select></td></tr>'."\n";
+
+ return $Ptr;
+}
+
+sub ProblemStatisticsButtons {
+ my ($cache)=@_;
+
+ my $Ptr = '<tr><td></td><td align="left">';
+ $Ptr .= '<input type=submit name="ProblemStatisticsRecalculate" ';
+ $Ptr .= 'value="Recalculate Statistics"/>'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type="submit" name="DoDiffGraph" ';
+ $Ptr .= 'value="DoDiff Graph" />'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type="submit" name="PercentWrongGraph" ';
+ $Ptr .= 'value="%Wrong Graph" />'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type="submit" name="DisplayCSVFormat" ';
+ if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
+ $Ptr .= 'value="Display CSV Format" />'."\n";
+ } else {
+ $Ptr .= 'value="Display Table Format" />'."\n";
+ }
+ $Ptr .= '</td></tr>';
+
+ return $Ptr;
+}
+
+sub ProblemStatisticsLegend {
+ my $Ptr = '';
+ $Ptr = '<table border="0">';
+ $Ptr .= '<tr><td>';
+ $Ptr .= '<b>#Stdnts</b>:</td>';
+ $Ptr .= '<td>Total Number of Students opened the problem.';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>Tries</b>:</td>';
+ $Ptr .= '<td>Total Number of Tries for solving the problem.';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>Mod</b>:</td>';
+ $Ptr .= '<td>Maximunm Number of Tries for solving the problem.';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>Mean</b>:</td>';
+ $Ptr .= '<td>Average Number of the tries. [ Tries / #Stdnts ]';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>#YES</b>:</td>';
+ $Ptr .= '<td>Number of students solved the problem correctly.';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>#yes</b>:</td>';
+ $Ptr .= '<td>Number of students solved the problem by override.';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>%Wrng</b>:</td>';
+ $Ptr .= '<td>Percentage of students tried to solve the problem ';
+ $Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]';
+ $Ptr .= '</td></tr><tr><td>';
+# Kashy formula
+# '<b> DoDiff </b>: Degree of Difficulty of the problem.<br>'.
+# '[ Tries/(#YES+#yes+0.1) ]<br>'.
+ #Gerd formula
+ $Ptr .= '<b>DoDiff</b>:</td>';
+ $Ptr .= '<td>Degree of Difficulty of the problem. ';
+ $Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>S.D.</b>:</td>';
+ $Ptr .= '<td>Standard Deviation of the tries. ';
+ $Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) ';
+ $Ptr .= 'where Xi denotes every student\'s tries ]';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>Skew.</b>:</td>';
+ $Ptr .= '<td>Skewness of the students tries.';
+ $Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]';
+ $Ptr .= '</td></tr><tr><td>';
+ $Ptr .= '<b>Dis.F.</b>:</td>';
+ $Ptr .= '<td>Discrimination Factor: A Standard for evaluating the ';
+ $Ptr .= 'problem according to a Criterion<br>';
+ $Ptr .= '<b>[Applied Criterion in %27 Upper Students - ';
+ $Ptr .= 'Applied the same Criterion in %27 Lower Students]</b><br>';
+ $Ptr .= '<b>1st Criterion</b> for Sorting the Students: ';
+ $Ptr .= '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>';
+ $Ptr .= '<b>2nd Criterion</b> for Sorting the Students: ';
+ $Ptr .= '<b>Total number of Correct Answers / Total Number of Tries</b>';
+ $Ptr .= '</td></tr>';
+ $Ptr .= '<tr><td><b>Disc.</b></td>';
+ $Ptr .= '<td>Number of Students had at least one discussion.';
+ $Ptr .= '</td></tr></table>';
+
+ return $Ptr;
+}
+
+#---- END Problem Statistics Web Page ----------------------------------------
+
+#---- Problem Statistics Graph Web Page --------------------------------------
+
# ------------------------------------------- Prepare data for Graphical chart
sub GetGraphData {
- my $Tag = shift;
+ my $ylab = shift;
my $Col;
my $data='';
my $count = 0;
@@ -800,12 +1266,12 @@ sub GetGraphData {
foreach (keys %GraphDat) {delete $GraphDat{$_};}
if (-e "$GraphDB") {
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) {
- if ( $Tag eq 'DoDiff Graph' ) {
- $Tag = 'Degree-of-Difficulty';
+ if ( $ylab eq 'DoDiff Graph' ) {
+ $ylab = 'Degree-of-Difficulty';
$Col = 0;
}
else {
- $Tag = 'Wrong-Percentage';
+ $ylab = 'Wrong-Percentage';
$Col = 1;
}
foreach (sort NumericSort keys %GraphDat) {
@@ -815,314 +1281,877 @@ sub GetGraphData {
$data .= $inf.',';
$count++;
}
+ if ( $Max > 1 ) {
+ $Max += (10 - $Max % 10);
+ $Max = int($Max);
+ }
+ else { $Max = 1; }
untie(%GraphDat);
my $Course = $ENV{'course.'.$cid.'.description'};
$Course =~ s/\ /"_"/eg;
- $GData=$Course.'&'.$Tag.'&'.$Max.'&'.$count.'&'.$data;
-
+ $GData=$Course.'&'.'Problems'.'&'.$ylab.'&'.$Max.'&'.$count.'&'.$data;
}
else {
$r->print("Unable to tie hash to db file");
}
}
}
+#---- Problem Analysis Web Page ----------------------------------------------
+sub IntervalOptions {
+ my ($cache)=@_;
-sub initial {
-# --------------------------------- Initialize the global varaibles
- undef @students;
- undef @cols;
- undef %maps;
- undef %section;
- undef %StuBox;
- undef @list;
- undef %CachData;
- undef %GraphDat;
- undef %DiscFac;
- undef $CurMap;
- undef $CurSec;
- undef $CurStu;
- undef $p_count;
- undef $Pos;
- undef $GData;
- $DiscFlag=0;
- $P_Order=100000;
- $HWN=$P_Order;
+ my $interval = 1;
+ for(my $n=1; $n<=7; $n++) {
+ if($cache->{'Interval'} == $n) {
+ $interval = $n;
+ }
+ }
+
+ my $Ptr = '<br><b>Select number of intervals</b>'."\n".
+ '<select name="Interval">'."\n";
+ for(my $n=1; $n<=7;$ n++) {
+ $Ptr .= '<option';
+ if($interval == $n) {
+ $Ptr .= ' selected';
+ }
+ $Ptr .= '>'.$n."</option>"."\n";
+ }
+ $Ptr .= '</select>'."\n";
+
+ return $Ptr;
}
+sub OptionResponseTable {
+ my ($cache)=@_;
+ my $Str = '';
+ $Str .= '<br><b> Option Response Problems in this course:</b>'."\n";
+ $Str .= '<br><br>'."\n";
+ $Str .= "<table border=2><tr><th> \# </th><th> Problem Title </th>";
+ $Str .= '<th> Resource </th><th> Analysis </th></tr>'."\n";
+
+ my $number=1;
+ foreach (split(':::',$cache->{'OptionResponses'})) {
+ my ($uri,$title,$part,$problem)=split('::',$_);
+ my $Temp = '<a href="'.$uri.'" target="_blank">'.$title.'</a>';
+ $Str .= '<tr>';
+ $Str .= '<td> '.$number.' </td>';
+ $Str .= '<td bgcolor="'.$color{"green"}.'"> '.$Temp.' </td>';
+ $Str .= '<td bgcolor="'.$color{"yellow"}.'"> '.$uri.' </td>';
+ $Str .= '<td><input type="submit" name="Analyze:::'.$uri.':::';
+ $Str .= $title.':::'.$part.':::'.$problem.'" value="';
+ $Str .= 'Analyze" /></td></tr>'."\n";
+ $number++;
+ }
+ $Str .= '</table>'."\n";
-sub ClassList {
-
- &GetStatus();
-
- $cid=$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)) {
-# ----------------------------------------------------------------- Render page
- my $classlst=&Apache::lonnet::reply
- ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
- my $StudNo = 0;
- unless ($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.'<br>');
- $section{$ssec}=$ssec;
- if ($CurSec eq 'All Sections' || $ssec eq $CurSec) {
- $students[$StudNo]=$name;
- $StuBox{$sname}=$ssec;
- }
- $StudNo++;
- }
- }
- else {
- $r->print('<h1>Could not access course data</h1>');
- }
- $r->print("Total number of students : ".($#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) {
-# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});
-# $c++;
-# }
-#foreach(@cols) {
-# $c++;
-# $r->print('<br>'.$cols[$c]);
-#}
-#$r->print('<br> Count = '.$c);
+ 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 .= '<b><font color="blue">No course data for student </font>';
+ $Str .= '<font color="red">'.$username.'.</font></b><br>';
+ return $Str;
+ }
+
+ $Str .= "<table border=2><tr><th> \# </th><th> Set Title </th>";
+ $Str .= '<th> Results </th><th> Tries </th></tr>'."\n";
+
+ my $codes;
+ my $attempts;
+ foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
+ if($cache->{'StudentAssessmentMap'} ne 'All Maps' &&
+ $cache->{'StudentAssessmentMap'} ne $cache->{$sequence.':title'}) {
+ next;
+ }
+ $Str .= '<tr><td>'.$sequence.'</td>';
+ $Str .= '<td>'.$cache->{$sequence.':title'}.'</td>';
+
+ $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'}.',';
+ }
+ }
+ $codes =~ s/,$//;
+ $attempts =~ s/,$//;
+ $Str .= '<td>'.$codes.'</td>';
+ $Str .= '<td>'.$attempts.'</td>';
+ $Str .= '</tr>'."\n";
}
-# ------------------------------------------------------------- End render page
- else {
- $r->print('<h3>Undefined course sequence</h3>');
+ $Str .= '</table>'."\n";
+
+ return $Str;
+}
+
+#---- END Student Assessment Web Page ----------------------------------------
+
+#---- Menu Web Page ----------------------------------------------------------
+
+#---- END Menu Web Page ------------------------------------------------------
+
+#---- HELPER FUNCTIONS -------------------------------------------------------
+
+sub CheckFormElement {
+ my ($cache, $ENVName, $cacheName, $default)=@_;
+
+ if(defined($ENV{'form.'.$ENVName})) {
+ $cache->{$cacheName} = $ENV{'form.'.$ENVName};
+ } elsif(!defined($cache->{$cacheName})) {
+ $cache->{$cacheName} = $default;
}
- &MapSecOptions();
+
+ return;
}
+sub ProcessFormData{
+ my ($cache)=@_;
+
+ $cache->{'reportKey'} = 'false';
-sub Menu {
- my $InpStr = $ENV{'form.sort'};
- if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) {
- &GetGraphData($InpStr);
- $r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />');
+ &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'})) {
+ $cache->{'reportSelected'} = 'Student Assessment';
+ }
+ if(defined($ENV{'form.NextStudent'})) {
+ $cache->{'StudentAssessmentMove'} = 'next';
+ } elsif(defined($ENV{'form.PreviousStudent'})) {
+ $cache->{'StudentAssessmentMove'} = 'previous';
+ } else {
+ $cache->{'StudentAssessmentMove'} = 'selected';
+ }
+ &CheckFormElement($cache, 'StudentAssessmentMap', 'StudentAssessmentMap',
+ 'All Maps');
+ &CheckFormElement($cache, 'StudentAssessmentStudent',
+ 'StudentAssessmentStudent', 'No Student Selected');
+
+ foreach (keys(%ENV)) {
+ if(/form\.Analyze:::/) {
+# $cache->{'reportSelected'} = 'Analyze';
+# $cache->{'reportKey'} = 'Problem Analysis';
+ my ($uri, $title, $part, $problem);
+ (undef, $uri, $title, $part, $problem)=split(':::', $_);
+ $cache->{'AnalyzeURI'} = $uri;
+ $cache->{'AnalyzeTitle'} = $title;
+ $cache->{'AnalyzePart'} = $part;
+ $cache->{'AnalyzeProblem'} = $problem;
+
+ &CheckFormElement($cache, 'Interval', 'Interval', '1');
+ }
}
- else {
- $r->print('<html><head><title>LON-CAPA Statistics</title></head>');
+ return;
- $r->print('<body bgcolor="#FFFFFF">'.
- '<script>window.focus(); window.width=500;window.height=500; </script>'.
- '<img align=right src=/adm/lonIcons/lonlogos.gif>');
-# ---------------------------------------------------------------- Course title
- $r->print('<h1> Course : "'.
- $ENV{'course.'.$ENV{'request.course.id'}.
- '.description'}.'"</h1><h2>'.localtime().'</h2>');
-# ------------------------------- This is going to take a while, produce output
- $r->rflush();
-
- $r->print("\n".'<form name=stat method=post action="/adm/statistics" >');
-
- my $content = $ENV{'form.sort'};
- if ($content eq '' || $content eq 'Return to Menu') {
- my $Ptr = '<h3>';
- $Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>';#General Statistics"/>';
- $Ptr .= '<br><br>';
- $Ptr .= '<input type=submit name=sort value="Student Assessment"/>';
- $Ptr .= '<br><br>';
-# $Ptr .= '<input type=submit name=sort value=Discrimination>';#"Problem Evaluation"/>';
- $Ptr .= '</h3>';
- $r->print( $Ptr );
- }
- else {
- &initial();
- &ClassList();
- if ( $content eq 'Discrimination' || #'Problem Evaluation' ||
- $content eq 'Recalculate Discrimintion Factor' ) {
- &CreateDiscFac();
- }
- elsif ( $content eq 'Student Assessment' ||
- $content eq 'Create Student Report' ) {
- &StudentOptions();
- &StudentReport($CurStu,$StuBox{"$CurStu"});
- }
- else {
- &PreStatTable();
- }
- }
- $r->print("\n".'</form>'.
- "\n".'</body>'.
- "\n".'</html>');
- $r->rflush();
+ # Select page to display
+ if(defined($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
- $Ptr .= '<br><b>Select Student</b>'."\n".
- '<select name="student">'."\n".
- '<option '.$OpSel5.'>All Students</option>';
- foreach my $key ( sort keys %StuBox ) {
- $Ptr .= '<option';
- if ($CurStu eq $key) {$Ptr .= ' selected';}
- $Ptr .= '>'.$key."</option>\n";
+=pod
+
+=item &SortStudents()
+
+Determines which students to display and in which order. Which are
+displayed are determined by their status(active/expired). The order
+is determined by the sort button pressed (default to username). The
+type of sorting is username, lastname, or section.
+
+=over 4
+
+Input: $students, $CacheData
+
+$students: A array pointer to a list of students (username:domain)
+
+$CacheData: A pointer to the hash tied to the cached data
+
+Output: \@order
+
+@order: An ordered list of students (username:domain)
+
+=back
+
+=cut
+
+sub SortStudents {
+ my ($cache)=@_;
+
+ my @students = split(':::',$cache->{'NamesOfStudents'});
+ my @sorted1Students=();
+ foreach (@students) {
+ if($cache->{'Status'} eq 'Any' ||
+ $cache->{$_.':Status'} eq $cache->{'Status'}) {
+ push(@sorted1Students, $_);
+ }
}
- $Ptr .= '</select>';
- $Ptr .= '<br><input type="submit" name="sort" value="Create Student Report" />';
- $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'; }
+ 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;
- my %myHeader = reverse( %Header );
- $Pos = $myHeader{$ENV{'form.sort'}};
- if ($Pos == 0) {
- $OpSel1 = 'selected';
- $ENV{'form.order'}='Ascendig';
+ return \@order;
+}
+
+sub PrepareData {
+ my ($c, $cacheDB)=@_;
+
+ # Test for access to the cache data
+ my $courseID=$ENV{'request.course.id'};
+ my $isRecalculate=0;
+ if(defined($ENV{'form.Recalculate'})) {
+ $isRecalculate=1;
+ }
+
+ my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB,
+ $isRecalculate);
+ if($isCached < 0) {
+ return "Unable to tie hash to db file.";
+ }
+
+ # Download class list information if not using cached data
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
+ return "Unable to tie hash to db file.";
+ }
+
+ if(!$isCached) {
+ my $processTopResourceMapReturn=
+ &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c);
+ if($processTopResourceMapReturn ne 'OK') {
+ untie(%cache);
+ return $processTopResourceMapReturn;
+ }
}
- $CurMap = $ENV{'form.maps'};
- if ( $CurMap eq '' ) {
- $CurMap = 'All Maps';
- $OpSel3 = 'selected';
+ if($c->aborted()) {
+ untie(%cache);
+ return 'aborted';
}
- $CurSec = $ENV{'form.section'};
- if ( $CurSec eq '' ) {
- $CurSec = 'All Sections';
- $OpSel4 = 'selected';
+
+ my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID,
+ $cache{'ClasslistTimestamp'},
+ $c);
+ foreach (keys(%$classlist)) {
+ if(/^(con_lost|error|no_such_host)/i) {
+ untie(%cache);
+ return "Error getting student data.";
+ }
}
-}
+ 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';
+ }
-sub MapSecOptions {
-# ----------------------------------- Loading the Maps Combobox
- my $Ptr = '<br>';
- $Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />';
- $Ptr .= '<br><b> Select Map </b>'."\n".
- '<select name="maps">'."\n".
- '<option '.$OpSel3.'>All Maps</option>';
- foreach my $key ( sort keys %maps ) {
- $Ptr .= '<option';
- if ($CurMap eq $key) {$Ptr .= ' selected';}
- $Ptr .= '>'.$key."</option>\n";
+ if($c->aborted()) {
+ untie(%cache);
+ return 'aborted';
}
- $Ptr .= '</select>';
- $Ptr .= ' ';
-# ----------------------------------- Loading the Sections Combobox
- $Ptr .= '<br><b>Select Section</b>'."\n".
- '<select name="section">'."\n".
- '<option '.$OpSel4.'>All Sections</option>';
- foreach my $key ( sort keys %section ) {
- $Ptr .= '<option';
- if ($CurSec eq $key) {$Ptr .= ' selected';}
- $Ptr .= '>'.$key."</option>"."\n";
+ if($c->aborted()) {
+ untie(%cache);
+ return 'aborted';
}
- $Ptr .= '</select>'."\n";
- $r->print( $Ptr );
+ untie(%cache);
+
+ return ('OK', $students);
+}
+
+# Create progress
+sub Create_PrgWin {
+ $r->print(<<ENDPOP);
+ <script>
+ popwin=open('','popwin','width=400,height=100');
+ popwin.document.writeln('<html><body bgcolor="#88DDFF">'+
+ '<title>LON-CAPA Statistics</title>'+
+ '<h4>Computation Progress</h4>'+
+ '<form name=popremain>'+
+ '<input type=text size=35 name=remaining value=Starting></form>'+
+ '</body></html>');
+ popwin.document.close();
+ </script>
+ENDPOP
+
$r->rflush();
}
+# update progress
+sub Update_PrgWin {
+ my ($totalStudents,$index,$name)=@_;
+ $r->print('<script>popwin.document.popremain.remaining.value="'.
+ 'Computing '.$index.'/'.$totalStudents.': '.
+ $name.'";</script>');
+ $r->rflush();
+}
-# ================================================================ Main Handler
+# close Progress Line
+sub Close_PrgWin {
+ $r->print('<script>popwin.close()</script>');
+ $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');
- }
- $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 $GData;
+}
- if ($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('<html><body>Coursemap undefined.</body></html>');
- }
-# ------------------------------------------------------------------ Untie hash
- unless (untie(%hash)) {
- &Apache::lonnet::logthis("<font color=blue>WARNING: ".
- "Could not untie coursemap $fn (browse).</font>");
- }
+#---- END HELPER FUNCTIONS ---------------------------------------------------
-# -------------------------------------------------------------------- All done
- return OK;
-# ----------------------------------------------- Errors, hash could no be tied
- }
- }
- else {
- $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
- return HTTP_NOT_ACCEPTABLE;
- }
+sub BuildProblemStatisticsPage {
+ my ($cacheDB, $students, $courseID, $c)=@_;
+
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('<html><body>Unable to tie database.</body></html>');
+ return;
}
- else {
+
+ my $Ptr = '';
+ $Ptr .= '<table border="0"><tbody>';
+ $Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n";
+ $Ptr .= '<td align="left">';
+ $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'ProblemStatistics');
+ $Ptr .= '</td></tr>'."\n";
+ $r->print($Ptr);
+ $r->print(&AscendOrderOptions());
+ $r->print(&ProblemStatisticsButtons(\%cache));
+ $r->print('</table>');
+
+ $r->print(&ProblemStatisticsLegend());
+
+ untie(%cache);
+ foreach (@$students) {
+ my $courseData =
+ &Apache::loncoursedata::DownloadStudentCourseInformation($_,
+ $courseID);
+ last if ($c->aborted());
+ if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT,0640)) {
+ &Apache::loncoursedata::ProcessStudentData(\%cache,
+ $courseData, $_);
+ untie(%cache);
+ }
+ }
+ if($c->aborted()) { return; }
+
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('<html><body>Unable to tie database.</body></html>');
+ return;
+ }
+ my $discriminantFactor;
+ my @list=();
+ foreach (@$students) {
+ $discriminantFactor = &ExtractStudentData(\%cache, $_, \@list);
+ }
+
+ my ($upper, $lower) = &Discriminant($discriminantFactor);
+ my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
+ 4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
+ 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd", 13, "Disc.");
+ &BuildStatisticsTable(\%cache, $discriminantFactor, \@list, \%Header,
+ $students);
+
+ untie(%cache);
+
+ return;
+}
+
+sub BuildDiffGraph {
+ my ($courseID)=@_;
+
+ my $graphData = &GetGraphData('DiffGraph', $courseID);
+ $r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />');
+
+ return;
+}
+
+sub BuildWrongGraph {
+ my ($courseID)=@_;
+
+ my $graphData = &GetGraphData('WrongGraph', $courseID);
+ $r->print('<IMG src="/cgi-bin/graph.gif?'.$graphData.'" />');
+
+ return;
+}
+
+sub BuildAnalyzePage {
+ my ($cacheDB, $students, $courseID)=@_;
+
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('<html><body>Unable to tie database.</body></html>');
+ 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('<html><body>Unable to tie database.</body></html>');
+ return;
+ }
+
+ $r->print(&IntervalOptions());
+ $r->print(&OptionResponseTable(\%cache));
+
+ untie(%cache);
+
+ return;
+}
+
+sub BuildStudentAssessmentPage {
+ my ($cacheDB, $students, $courseID, $c)=@_;
+
+ my %cache;
+
+ my $Ptr = '';
+ $Ptr .= '<table border="0"><tbody>';
+ $r->print($Ptr);
+
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $r->print('<html><body>Unable to tie database.</body></html>');
+ return;
+ }
+
+ my $selectedName = $cache{'StudentAssessmentStudent'};
+ for(my $index=0;
+ ($selectedName ne 'All Students') && ($index<(scalar @$students));
+ $index++) {
+ my $fullname = $cache{$students->[$index].':fullname'};
+ if($fullname eq $selectedName) {
+ if($cache{'StudentAssessmentMove'} eq 'next') {
+ if($index == ((scalar @$students) - 1)) {
+ $selectedName = $students->[0];
+ } else {
+ $selectedName = $students->[$index+1];
+ }
+ } elsif($cache{'StudentAssessmentMove'} eq 'previous') {
+ if($index == 0) {
+ $selectedName = $students->[-1];
+ } else {
+ $selectedName = $students->[$index-1];
+ }
+ } else {
+ $selectedName = $students->[$index];
+ }
+ last;
+ }
+ }
+
+ $Ptr .= '<tr><td align="right"><b>Select Map</b></td>'."\n";
+ $Ptr .= '<td align="left">';
+ $Ptr .= &Apache::lonhtmlcommon::MapOptions(\%cache, 'StudentAssessment');
+ $Ptr .= '</td></tr>'."\n";
+ $Ptr .= '<tr><td align="right"><b>Select Student</b></td>'."\n";
+ $Ptr .= '<td align="left">'."\n";
+ $Ptr .= &Apache::lonhtmlcommon::StudentOptions(\%cache, $students,
+ $selectedName,
+ 'StudentAssessment');
+ $Ptr .= '</td></tr>'."\n";
+ untie(%cache);
+
+ $Ptr .= '<tr><td></td><td align="left">';
+ $Ptr .= '<input type="submit" name="CreateStudentAssessment" ';
+ $Ptr .= 'value="Create Student Report" />';
+ $Ptr .= '   ';
+ $Ptr .= '<input type="submit" name="PreviousStudent" ';
+ $Ptr .= 'value="Previous Student" />';
+ $Ptr .= '   ';
+ $Ptr .= '<input type="submit" name="NextStudent" ';
+ $Ptr .= 'value="Next Student" />';
+ $Ptr .= '   ';
+ $Ptr .= '</td></tr></tbody></table>'."\n";
+ $r->print($Ptr);
+
+ if($selectedName eq 'No Student Selected') {
+ $r->print('<h3><font color=blue>WARNING: ');
+ $r->print('Please select a student</font></h3>');
+ 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('<h3><font color=blue>WARNING: ');
+ $r->print('Please select a student</font></h3>');
+ return;
+ }
+
+ return;
+}
+
+sub BuildClasslist {
+ my ($cacheDB,$students,$studentInformation,$headings,$spacePadding)=@_;
+
+ my %cache;
+ unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ return '<html><body>Unable to tie database.</body></html>';
+ }
+
+ my $Str='';
+ $Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n";
+ $Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n";
+
+ my $displayString = '<td align="left"><a href="/adm/statistics?';
+ $displayString .= 'sort=LINKDATA">DISPLAYDATA </a></td>'."\n";
+ $Str .= &Apache::lonhtmlcommon::CreateStudentInformationHeadings(\%cache,
+ $studentInformation,
+ $headings,
+ $displayString);
+ $Str .= '<td align="left">';
+ $Str .= '<a href="/adm/statistics?sort=lastDownloadTime">';
+ $Str .= 'Last Updated  </a></td>'."\n";
+ $Str .= '</tr>'."\n";
+ my $alternate=0;
+ foreach (@$students) {
+ my ($username, $domain) = split(':', $_);
+ if($alternate) {
+ $Str .= '<tr bgcolor="#ffffe6"><td>';
+ } else {
+ $Str .= '<tr bgcolor="#ffffc6"><td>';
+ }
+ $alternate = ($alternate + 1) % 2;
+ foreach my $data (@$studentInformation) {
+ if($data eq 'fullname') {
+ $Str .= '<a href="/adm/statistics?reportSelected=';
+ $Str .= &Apache::lonnet::escape('Student Assessment').'">';
+ }
+
+ $Str .= $cache{$_.':'.$data}.' ';
+
+ if($data eq 'fullname') {
+ $Str .= '</a>';
+ }
+
+ $Str .= '</td><td>';
+ }
+
+ $Str .= '<a href="/adm/statistics?download='.$_.'">';
+ my $downloadTime = $cache{$_.':lastDownloadTime'};
+ if($downloadTime ne 'Not downloaded') {
+ $downloadTime = localtime($downloadTime);
+ }
+ $Str .= $downloadTime;
+
+ $Str .= ' </a></td></tr>'."\n";
+ }
+
+ $Str .= '</table></td></tr></table>'."\n";
+
+ untie(%cache);
+
+ return $Str;
+}
+
+sub BuildStatistics {
+ my ($r)=@_;
+
+ my $c = $r->connection;
+ my @studentInformation=('fullname','section','id','domain','username');
+ my @headings=('Full Name', 'Section', 'PID', 'Domain', 'User Name');
+ my $spacePadding = ' ';
+ my %reports = ('classlist' => 'Class list',
+ 'problem_statistics' => 'Problem Statistics',
+ 'student_assessment' => 'Student Assessment',
+ 'reportSelected' => 'Class list');
+
+ my %cache;
+ my $courseID=$ENV{'request.course.id'};
+ my $cacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
+ "_$ENV{'user.domain'}_$courseID\_statistics.db";
+
+ &setbgcolor(0);
+ my ($returnValue, $students) = &PrepareData($c, $cacheDB);
+ if($returnValue ne 'OK') {
+ $r->print('<html><body>'.$returnValue."\n".'</body></html>');
+ return OK;
+ }
+
+ my $GoToPage;
+ if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER,0640)) {
+ $GoToPage = $cache{'reportSelected'};
+ $reports{'reportSelected'} = $cache{'reportSelected'};
+# if(defined($cache{'reportKey'}) && $cache{'reportKey'} ne 'false') {
+# $reports{$cache{'reportKey'}} = $cache{'reportSelected'};
+# }
+
+ if(defined($cache{'OptionResponses'})) {
+ $reports{'problem_analysis'} = 'Problem Analysis';
+ }
+
+ $r->print(&Apache::lonhtmlcommon::Title('LON-CAPA Statistics'));
+ $r->print('<form name="Statistics" ');
+ $r->print('method="post" action="/adm/statistics">');
+ $r->print(&Apache::lonhtmlcommon::CreateStatisticsMainMenu(
+ $cache{'Status'},
+ \%reports));
+ untie(%cache);
+ } else {
+ $r->print('<html><body>Unable to tie database.</body></html>');
+ return OK;
+ }
+
+ if($GoToPage eq 'Activity Log') {
+ &Activity();
+ } elsif($GoToPage eq 'Problem Statistics') {
+ &BuildProblemStatisticsPage($cacheDB, $students, $courseID, $c);
+ } elsif($GoToPage eq 'Problem Analysis') {
+ &BuildProblemAnalysisPage($cacheDB);
+ } elsif($GoToPage eq 'Student Assessment') {
+ &BuildStudentAssessmentPage($cacheDB, $students, $courseID, $c);
+ } elsif($GoToPage eq 'Analyze') {
+ &BuildAnalyzePage($cacheDB, $students, $courseID);
+ } elsif($GoToPage eq 'DoDiffGraph') {
+ &BuildDiffGraph($courseID);
+ } elsif($GoToPage eq 'PercentWrongGraph') {
+ &BuildWrongGraph($courseID);
+ } elsif($GoToPage eq 'Class list') {
+ $r->print(&BuildClasslist($cacheDB, $students, \@studentInformation,
+ \@headings, $spacePadding));
+ }
+
+ $r->print('</form>'."\n");
+ $r->print("\n".'</body>'."\n".'</html>');
+ $r->rflush();
+
+ return OK;
+}
+
+# ================================================================ Main Handler
+
+sub handler {
+ $r=shift;
+ &initial();
+
+ unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
$ENV{'user.error.msg'}=
$r->uri.":vgr:0:0:Cannot view grades for complete course";
+ return HTTP_NOT_ACCEPTABLE;
+ }
+
+ # Set document type for header only
+ if($r->header_only) {
+ if ($ENV{'browser.mathml'}) {
+ $r->content_type('text/xml');
+ } else {
+ $r->content_type('text/html');
+ }
+ &Apache::loncommon::no_cache($r);
+ $r->send_http_header;
+ return OK;
+ }
+ unless($ENV{'request.course.fn'}) {
+ my $requrl=$r->uri;
+ $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
return HTTP_NOT_ACCEPTABLE;
}
-}
-1;
-__END__
+ $r->content_type('text/html');
+ $r->send_http_header;
+ &BuildStatistics($r);
+ return OK;
+}
+1;
+__END__