--- loncom/interface/lonstatistics.pm 2002/03/02 23:22:32 1.6
+++ loncom/interface/lonstatistics.pm 2002/05/27 00:24:05 1.21
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.6 2002/03/02 23:22:32 minaeibi Exp $
+# $Id: lonstatistics.pm,v 1.21 2002/05/27 00:24:05 minaeibi Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -27,31 +27,37 @@
#
# (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, 3/2 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 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 HTML::TokeParser;
use GDBM_File;
-#use Benchmark;
# -------------------------------------------------------------- Module Globals
my %hash;
my %CachData;
my %GraphDat;
+my %OpResp;
my %maps;
my %mapsort;
my %section;
my %StuBox;
my %DiscFac;
+my %DisUp;
+my %DisLow;
+my $UpCnt;
my $CurMap;
my $CurSec;
my $CurStu;
@@ -63,9 +69,6 @@ my $Pos;
my $r;
my $OpSel1;
my $OpSel2;
-my $OpSelDis1;
-my $OpSelDis2;
-my $CurDis=0;
my $OpSel3;
my $OpSel4;
my $GData;
@@ -75,11 +78,417 @@ my $lastres;
my $DiscFlag;
my $HWN;
my $P_Order;
+my %foil_to_concept;
+my @Concepts;
+my %ConceptData;
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
- 9,"S.D.",10,"Skew.",11,"Map");
-# 11,"Dis.F.",12,"Resourse URL");
+ 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");
+my %Answer = ();
+
+
+sub unescape {
+ my $str=shift;
+ $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
+ return $str;
+}
+
+sub Activity {
+ my $file="/home/minaeibi/minaei";
+ my $userid='billskat';
+ $r->print("<br>Using $file");
+ $r->rflush();
+ open(FILEID, "<$file");
+ my $line;
+ my @allaccess;
+ while ($line=<FILEID>) {
+ my ($time,$machine,$what)=split(':',$line);
+ #$r->print("time=$time machine=$machine:-> $what\n");
+ #$r->rflush();
+ $what=&unescape($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; }
+ push (@allaccess,unescape($access));
+ #print $machine;
+ }
+ }
+ @allaccess=sort(@allaccess);
+ my $Count=0;
+ foreach my $access (@allaccess) {
+ my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
+ $Count++;
+# $r->print("$Count ".localtime($date)." $who $resource\n");
+ $r->print("<br>$Count) $date: $who --> $resource");
+ $r->rflush();
+ if ($post) {
+ $r->print("<br><b>Sent data ".join(':',unescape(@posts)).'</b>');
+ }
+ }
+}
+
+
+
+sub InitAnalysis {
+ my ($rid, $student)=@_;
+ my ($uname,$udom)=split(/\:/,$student);
+ $rid=~/(\d+)\.(\d+)/;
+ my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
+ &Apache::lonnet::declutter($hash{'src_'.$rid});
+ my $URI = $hash{'src_'.$rid};
+ my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze',
+ 'grade_username' => $uname,
+ 'grade_domain' => $udom,
+ 'grade_courseid' => $cid,
+ 'grade_symb' => $symb));
+# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze'));
+
+ (my $garbage,$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 $symb;
+}
+
+
+sub Interval {
+ my ($rid,$part,$symb)=@_;
+ my $Int=$ConceptData{"Interval"};
+ my $due = &Apache::lonnet::EXT('resource.$part.duedate',$symb)+1;
+ my $opn = &Apache::lonnet::EXT('resource.$part.opendate',$symb);
+ my $add=int(($due-$opn)/$Int);
+ $ConceptData{"Int.0"}=$opn;
+ for (my $i=1;$i<$Int;$i++) {
+ $ConceptData{"Int.$i"}=$opn+$i*$add;
+ }
+ $ConceptData{"Int.$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.$i.false"}=0;
+ }
+ }
+}
+
+
+sub ShowOpGraph {
+ my ($InpStr, $Int_No)=@_;
+ my ($rid,$part)=split(/\:/,substr($InpStr,8));
+ $ConceptData{"Interval"}=$Int_No;
+ #Initialize the option response true answers
+ my $symb=&InitAnalysis($rid,$students[0]);
+ #compute the intervals
+ &Interval($rid,$part,$symb);
+ my $URI = $hash{'src_'.$rid};
+ my $Src = $hash{'title_'.$rid};
+ $Src =~ 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<=$#students;$index++) {
+ &Update_PrgWin($index);
+ &OpStatus($rid,$students[$index]);
+ }
+ &Close_PrgWin();
+
+ $r->print('<br>');
+ for (my $k=0; $k<$Int_No; $k++ ) {
+ &DrawGraph($k,$Src);
+ }
+ for (my $k=0; $k<$Int_No; $k++ ) {
+ &DrawTable($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=#FFFFDD> ".$Concepts[$n]." </td>".
+ "\n"."<td bgcolor=#DDFFDD> ".$data1[$n]." </td>".
+ "\n"."<td bgcolor=#FFDDDD> ".$data2[$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 AnalyzeProblem {
+ # selecting the number of intervals
+ my $OpSel='';
+ my $CurInt = $ENV{'form.interval'};
+ if ($CurInt eq '') {$CurMap = '1';}
+ my $Ptr = '<br><b>Select number of intervals</b>'."\n".
+ '<select name="interval">'."\n";
+ for (my $n=1;$n<=7;$n++) {
+ $Ptr .= '<option';
+ if ($CurInt eq $n) {$Ptr .= ' selected';}
+ $Ptr .= '>'.$n."</option>"."\n";
+ }
+ $Ptr .= '</select>'."\n";
+ $r->print( $Ptr );
+
+ #the table of option response problems
+ $r->print('<br><b> Option Response Problems in this course:</b><br><br>');
+ my $Str = "\n".'<table border=2>'.
+ "\n".'<tr>'.
+ "\n".'<th> # </th>'.
+ "\n".'<th> Problem Title </th>'.
+ "\n".'<th> Resource </th>'.
+ "\n".'<th> Address </th>'.
+ "\n".'</tr>';
+
+ my $P_No=1;
+ foreach (sort keys %OpResp) {
+ my ($rid,$part)=split(/\:/,$OpResp{$_});
+ my $Temp = '<a href="'.$hash{'src_'.$rid}.
+ '" target="_blank">'.$hash{'title_'.$rid}.'</a>';
+ $Str .= "\n"."<tr>".
+ "\n"."<td> $P_No </td>".
+ "\n"."<td bgcolor=#DDFFDD> ".$Temp." </td>".
+ "\n"."<td bgcolor=#EEFFCC> ".$hash{'src_'.$rid}." </td>".
+ "\n"."<td> ".'<input type="submit" name="sort" value="'.'Analyze_'.$rid.'" />'.'</td>'.
+ "\n"."</tr>";
+ $P_No++;
+ }
+ $Str .= "\n".'</table>';
+ $Str .= "\n".'</form>';
+ $r->print($Str);
+ $r->rflush();
+}
+
+
+sub Decide {
+ #deciding the true or false answer belongs to each interval
+ my ($type,$foil,$time)=@_;
+ my $k=0;
+ while ($time>$ConceptData{'Int.'.($k+1)} &&
+ $k<$ConceptData{'Interval'}) {$k++;}
+ $ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
+}
+
+
+#restore the student submissions and finding the result
+sub OpStatus {
+ my ($rid,$student)=@_;
+ my ($uname,$udom)=split(/\:/,$student);
+ my $code='U';
+ $rid=~/(\d+)\.(\d+)/;
+ my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
+ &Apache::lonnet::declutter($hash{'src_'.$rid});
+ my %reshash=&Apache::lonnet::restore($symb,$cid,$udom,$uname);
+ 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 );}
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+
+#------- Processing upperlist and lowerlist according to each problem
+sub ProcessDisc {
+ my @List = @_;
+ @List = sort (@List);
+ my $Count = $#List+1;
+ my $Prb;
+ my @Dis;
+ my $Slvd=0;
+ my $tmp;
+ my $Sum1=0;
+ my $Sum2=0;
+ my $nIdx=0;
+ my $nStud=0;
+ my %Proc;
+ undef %Proc;
+ while ($nIdx<$Count) {
+ ($Prb,$tmp)=split(/\=/,$List[$nIdx]);
+ @Dis=split(/\+/,$tmp);
+ my $Temp = $Prb;
+ do {
+ $nIdx++;
+ $nStud++;
+ $Sum1 += $Dis[0];
+ $Sum2 += $Dis[1];
+ ($Prb,$tmp)=split(/\=/,$List[$nIdx]);
+ @Dis=split(/\+/,$tmp);
+ } while ( $Prb eq $Temp && $nIdx < $Count );
+# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud;
+ $Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud);
+# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} <br>");
+ $Sum1=0;
+ $Sum2=0;
+ $nStud=0;
+ }
+ return %Proc;
+}
+
+
+#------- Creating Discimination factor
+sub Discriminant {
+ my $Count=0;
+ foreach (keys(%DiscFac)){
+ $Count++;
+ }
+ $UpCnt = int(0.27*$Count);
+ my $low=0;
+ my $up=$Count-$UpCnt;
+ my @UpList=();
+ my @LowList=();
+ $Count=0;
+ foreach my $key (sort(keys(%DiscFac))){
+ $Count++;
+ #$r->print("<br>$Count) $key = $DiscFac{$key}");
+ if ($low < $UpCnt || $Count > $up) {
+ $low++;
+ my $str=$DiscFac{$key};
+ foreach(split(/\:/,$str)){
+ if ($_) {
+ if ($low<$UpCnt){push(@LowList,$_);}
+ else {push(@UpList,$_);}
+ }
+ }
+ }
+ }
+ %DisUp=&ProcessDisc(@UpList);
+ %DisLow=&ProcessDisc(@LowList);
+}
+
+
sub NumericSort {
$a <=> $b;
}
@@ -92,9 +501,7 @@ sub StudentReport {
Please select a student</font></h3>' );
return;
}
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome );
- my %result = ();
+ my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $ResId;
my $PrOrd;
my $Code;
@@ -115,11 +522,8 @@ sub StudentReport {
"\n".'<th> Results </th>'.
"\n".'<th> Tries </th>'.
"\n".'</tr>';
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)){
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
+ my ($temp)=keys(%result);
+ unless ($temp=~/^error\:/) {
foreach my $CurCol (@cols) {
if (!$CurCol){
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
@@ -147,7 +551,7 @@ sub StudentReport {
my $PartNo = 0;
undef %TempHash;
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){
- if ($_=~/^stores\_(\d+)\_tries$/) {
+ if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;
@@ -164,8 +568,7 @@ sub StudentReport {
$Code='U';
$Tries = 0;
$Wrongs = 0;
- $LatestVersion = $result{"version:$Prob"};
-
+ $LatestVersion = $result{"version:$Prob"};
if ( $LatestVersion ) {
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
my $vkeys = $result{"$Version:keys:$Prob"};
@@ -189,7 +592,7 @@ sub StudentReport {
$TempHash{"$Part.Wrongs"} = $Wrongs;
}
}
- }
+ }
for ( my $n = 0; $n < $PartNo; $n++ ) {
my $part = $TempHash{$n};
if ($PtrTry ne '') {$PtrTry .= ',';}
@@ -213,16 +616,23 @@ sub StudentReport {
sub CreateTable {
my ($Hd, $Hid)=@_;
+ if ($ENV{'form.showcsv'}) {
+ if ( $Hd == 1 ) {
+ $r->print('<br>"'.$hash{'title_'.$Hid}.'","'.$hash{'src_'.$Hid}.'"');
+ }
+ return;
+ }
+ my $ColNo=0;
+ foreach (keys(%Header)){
+ $ColNo++;
+ }
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_'.$1}).')'
- );
+ '" target="_blank">'.$hash{'title_'.$Hid}.'</a>');
}
my $Result = "\n".'<table border=2>';
$Result .= '<tr><th>P#</th>'."\n";
- for ( my $nIdx=0; $nIdx < 11; $nIdx++ ) {
+ for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) {
$Result .= '<th>'.'<input type="submit" name="sort" value="'.
$Header{$nIdx}.'" />'.'</th>'."\n";
}
@@ -232,18 +642,20 @@ sub CreateTable {
}
sub CloseTable {
+ if ($ENV{'form.showcsv'}) {
+ return;
+ }
$r->print("\n".'</table>'."\n");
$r->rflush();
}
# ------------------------------------------- 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";
my $OpSel11='';
my $OpSel12='';
my $OpSel13='';
@@ -270,26 +682,37 @@ sub PreStatTable {
$Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\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'.
+ '<b> #Stdnts</b>: Total Number of Students opened the problem.<br>'.
+ '<b> Tries </b>: Total Number of Tries for solving the problem.<br>'.
+ '<b> Mod </b>: Maximunm Number of Tries for solving the problem.<br>'.
+ '<b> Mean </b>: Average Number of the tries. [ Tries / #Stdnts ]<br>'.
+ '<b> #YES </b>: Number of students solved the problem correctly.<br>'.
+ '<b> #yes </b>: Number of students solved the problem by override.<br>'.
+ '<b> %Wrng </b>: 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.'.
+# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. Kashy formula
+ '<b> DoDiff </b>: Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. #Gerd formula
+ '<b> S.D. </b> : 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>'.
+ '<b> Skew. </b>: Skewness of the students tries.'.
+ ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'.
+ '<b> Dis.F. </b>: Discrimination Factor: A Standard for '.
+ 'evaluating the problem according to a Criterion<br>'.
+ '<b> [Applied Criterion in %27 Upper Students - '.
+ 'Applied the same Criterion in %27 Lower Students]</b><br>'.
+ '<b> 1st Criterion</b> for Sorting the Students: '.
+ '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>'.
+ '<b> 2nd Criterion</b> for Sorting the Students: '.
+ '<b>Total number of Correct Answers / Total Number of Tries</b>'.
'</pre>';
$r->print($Ptr);
+
+ $r->print('Output CSV format: <input type=checkbox name=showcsv onClick="submit()"');
+ if ($ENV{'form.showcsv'}) { $r->print(' checked'); }
+ $r->print('>');
+
$r->rflush();
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {
@@ -303,7 +726,6 @@ sub PreStatTable {
}
else {
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
- tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
foreach (keys %DiscFac) {delete $CachData{$_};}
foreach (keys %CachData) {delete $CachData{$_};}
@@ -314,11 +736,10 @@ sub PreStatTable {
$r->print("Unable to tie hash to db file");
}
}
- #$r->print('Total instances of the problems : '.($p_count*($#students+1)));
+# $r->print('Total instances of the problems : '.($p_count*($#students+1)));
untie(%CachData);
untie(%GraphDat);
- untie(%DiscFac);
}
@@ -360,13 +781,10 @@ sub usection {
# ------ Dump the Student's DB file and handling the data for statistics table
-
sub ExtractStudentData {
- my ($student,$coid)=@_;
+ my $student=shift;
my ($sname,$sdom) = split( /\:/, $student );
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
- my %result = ();
+ my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $ResId;
my $PrOrd;
my $Dis = '';
@@ -381,22 +799,20 @@ sub ExtractStudentData {
my $TotParCr = 0;
my $Wrongs;
my %TempHash;
- my $Version;
+ my $Version;
my $LatestVersion;
my $SecLimit;
my $MapLimit;
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)) {
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
+ my ($temp)=keys(%result);
+ unless ($temp=~/^error\:/) {
foreach my $CurCol(@cols) {
($PrOrd,$ResId)=split(/\:/,$CurCol);
if ( !$CurCol ) { next; }
$ResId=~/(\d+)\.(\d+)/;
my $MapId=$1;
my $PrbId=$2;
- my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$MapId} );
+ my $MapOrg = $hash{'map_id_'.$MapId};
+ my $Map = &Apache::lonnet::declutter($MapOrg);
if ( $CurMap ne 'All Maps' ) {
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap);
if ( $Map ne $ResMap ) { next; }
@@ -405,8 +821,9 @@ sub ExtractStudentData {
my $PartNo = 0;
$Dis .= ':';
undef %TempHash;
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
+
+ foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
+ if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;
@@ -415,22 +832,22 @@ sub ExtractStudentData {
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
$PartNo++;
}
+ #my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
}
}
-
+ &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
+ my $URI = $hash{'src_'.$ResId};
my $Prob = $Map.'___'.$PrbId.'___'.
- &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
+ &Apache::lonnet::declutter($URI);
$Code='U';
$Tries = 0;
$ParCr = 0;
$Wrongs = 0;
- $LatestVersion = $result{"version:$Prob"};
-
+ $LatestVersion = $result{"version:$Prob"};
if ( $LatestVersion ) {
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
my $vkeys = $result{"$Version:keys:$Prob"};
my @keys = split(/\:/,$vkeys);
-
foreach my $Key (@keys) {
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
my $Part = $1;
@@ -442,7 +859,6 @@ sub ExtractStudentData {
$TempHash{"$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'; }
@@ -461,12 +877,14 @@ sub ExtractStudentData {
my $Yes = 0;
if ( $TempHash{$part.'.Code'} eq 'C' ||
$TempHash{$part.'.Code'} eq 'O' )
- {$ProbSolved++;$Yes=1;}
-# my $ptr = "$hash{'title_'.$ResId}";
- my $ptr = $TempHash{$part.'.PrOrd'}.':'.$ResId;
+ {$ProbSolved++;$Yes=1;}
+
+ # my $ptr = "$hash{'title_'.$ResId}";
+ my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$ResId;
+
if ( $PartNo > 1 ) {
$ptr .= "*(part $part)";
- $Dis .= ':';
+ $Dis .= '&';
}
my $Fac = ($TempHash{"$part.Tries"}) ?
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0;
@@ -475,12 +893,12 @@ sub ExtractStudentData {
$DisF = sprintf( "%.4f", $Fac );
}
else {$DisF = $Fac;}
-# $DisF .= '+'.$TempHash{"$part.Time"};
+# $DisF .= '+'.$TempHash{"$part.Time"};33333333
$TimeTot += $TempHash{"$part.Time"};
- $Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes;
- $ptr .= ":$TempHash{$part.'.Tries'}".
- ":$TempHash{$part.'.Wrongs'}".
- ":$TempHash{$part.'.Code'}";
+ $Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;
+ $ptr .= "&$TempHash{$part.'.Tries'}".
+ "&$TempHash{$part.'.Wrongs'}".
+ "&$TempHash{$part.'.Code'}";
push (@list, $ptr);
$TotalOpend++;
$ProbTot++;
@@ -488,31 +906,32 @@ sub ExtractStudentData {
}
#else {
#for(my $n=0; $n<$PartNo; $n++) {
- # push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U");
+ # push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U");
# $ProbTot++;
#}
#}
}
if ( $TotalTries ) {
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;
-# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100);
my $DisFactor = sprintf( "%.4f", $DisFac );
- my $time;
- if ($ProbSolved){
- $time = int(($TimeTot/$ProbSolved)-10000000);
- }
- $DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'.
- $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis;
-#$r->print($DisFactor.$sname.'<br> --- Dis= '.$Dis.'<br>');
+ $DiscFac{$DisFactor}=$Dis;
+ #my $time;
+ #if ($ProbSolved){
+ #$time = int(($TimeTot/$ProbSolved)-10000000);
+ #}
+ #$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'.
+ # $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis;
}
}
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>');
}
+
# ------------------------------------------------------------ Build page table
sub tracetable {
my ($rid,$beenhere)=@_;
+ my $IsMap=0;
$rid=~/(\d+)\.(\d+)/;
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid};
#$maps{$HWN}=$hash{'title_'.$rid};
@@ -524,7 +943,9 @@ sub tracetable {
$cols[$#cols+1]=0;
$P_Order++;
$HWN=$P_Order;
- $mapsort{$HWN} = $rid.':';
+ $mapsort{$HWN} = $rid.':';
+ $IsMap=1;
+
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}=
# $hash{'title_'.$rid};
}
@@ -539,36 +960,53 @@ sub tracetable {
my $meta=$hash{'src_'.$frid};
my $PartNo = 0;
+ my $Part;
+ # if ($IsMap==0){
if ($meta) {
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) {
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
- &Apache::lonnet::metadata($meta,$_.'.part');
+ if ($_=~/^stores\_(\w+)\_tries$/) {
+ $Part=&Apache::lonnet::metadata($meta,$_.'.part');
$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;
- $r->print('<br>'.$PartNo.'---'.$P_Order);
+ #$r->print('<br>'.$PartNo.'---'.$P_Order);
+ }
+ foreach my $K(split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) {
+ if ($K=~/^optionresponse\_($Part)\_(\w+)$/) {
+ #$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part);
+ $OpResp{$P_Order}="$frid:$Part";
+ }
}
}
}
}
}
+ # }
} else {
$cols[$#cols+1]=($P_Order+1).':'.$rid;
my $meta=$hash{'src_'.$rid};
my $PartNo = 0;
- if ($meta) {
+ if ($meta) {
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) {
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
- &Apache::lonnet::metadata($meta,$_.'.part');
+ foreach my $Key(split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
+ if ($Key=~/^stores\_(\w+)\_tries$/) {
+ my $Part=&Apache::lonnet::metadata($meta,$Key.'.part');
$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;
+ foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) {
+ if ($_=~/^optionresponse\_($Part)\_(\w+)$/) {
+ #$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part);
+ $OpResp{$P_Order}="$rid:$Part";;
+ }
+
+ }
+
}
}
}
- }
+ }
}
if (defined($hash{'to_'.$rid})) {
foreach (split(/\,/,$hash{'to_'.$rid})){
@@ -589,11 +1027,12 @@ sub MySort {
}
}
-sub Build_Statistics {
+sub Create_PrgWin {
+#----------- Create progress
$r->print(<<ENDPOP);
<script>
popwin=open('','popwin','width=400,height=100');
- popwin.document.writeln('<html><body bgcolor="#88CC88">'+
+ popwin.document.writeln('<html><body bgcolor="#88DDFF">'+
'<title>LON-CAPA Statistics</title>'+
'<h4>Computation Progress</h4>'+
'<form name=popremain>'+
@@ -604,23 +1043,40 @@ sub Build_Statistics {
ENDPOP
$r->rflush();
-# ---------------------------- Gathering the Data of students' tries
- my $index;
- for ($index=0;$index<=$#students;$index++) {
+}
+
+
+sub Update_PrgWin {
#----------- update progress
- $r->print('<script>popwin.document.popremain.remaining.value="'.
- 'Computing '.($index+1).'/'.($#students+1).': '.
- $students[$index].'";</script>');
- $r->rflush();
+ my $index = shift;
+ $r->print('<script>popwin.document.popremain.remaining.value="'.
+ 'Computing '.($index+1).'/'.($#students+1).': '.
+ $students[$index].'";</script>');
+ $r->rflush();
+}
- &ExtractStudentData($students[$index],$cid);
- }
+sub Close_PrgWin {
#--------------------- close Progress Line
$r->print('<script>popwin.close()</script>');
$r->rflush();
+}
+
+sub Build_Statistics {
+ &Create_PrgWin();
+# ---------------------------- Gathering the Data of students' tries
+ for (my $index=0;$index<=$#students;$index++) {
+ &Update_PrgWin($index);
+ &ExtractStudentData($students[$index]);
+ }
+
# -------------------- sorting the Data
+ $r->print('<script>popwin.document.popremain.remaining.value="'.
+ 'Calculating Discrimination Factors...";</script>');
+
@list = sort (@list);
+ &Discriminant();
+
$OpSel2='';
$OpSel1='selected';
@@ -637,7 +1093,7 @@ ENDPOP
&CreateTable(1,$Hid);
for (my $i=1; $i<=$#lpr; $i++) {
my %storestats=();
- my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);
+ my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
my $Temp = $Prob;
my $MxTries = 0;
my $TotalTries = 0;
@@ -657,7 +1113,7 @@ ENDPOP
elsif( $Code eq 'I' ) { $Incorrect++; }
elsif( $Code eq 'O' ) { $Override++; }
elsif( $Code eq 'U' ) { $StdNo--; }
- ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);
+ ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
}
$p_count++;
@@ -666,7 +1122,7 @@ 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;
@@ -716,18 +1172,28 @@ ENDPOP
$Skewness += $Dif*$Dif*$Dif;
}
$Skewness /= $StdNo;
- $Skewness /= $StdDev*$StdDev*$StdDev;
+ $Skewness /= $StdDev*$StdDev*$StdDev;
}
+
+#--------------------- Compute the Discrimination Factors
+ my ($Up1,$Up2)=split(/\:/,$DisUp{$lpr[$i]});
+ my ($Lw1,$Lw2)=split(/\:/,$DisLow{$lpr[$i]});
+ my $Dis1 = $Up1 - $Lw1;
+ my $Dis2 = $Up2 - $Lw2;
+ my $_D1 = sprintf("%.2f", $Dis1);
+ my $_D2 = sprintf("%.2f", $Dis2);
+
#----------------- Some restition in presenting the float numbers
my $Avg = sprintf( "%.2f", $Average );
my $Wrng = sprintf( "%.1f", $Wrong );
my $SD = sprintf( "%.1f", $StdDev );
my $DoD = sprintf( "%.2f", $DoDiff );
my $Sk = sprintf( "%.1f", $Skewness );
- my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'.
- $TotalTries.':'.$MxTries.':'.$Avg.':'.
- $YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.
- $SD.':'.$Sk.':'.$Prob;
+ my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'.
+ $TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
+ $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
+ $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.
+ $Prob;
$CachData{($p_count-1)}=$join;
$urlres=~/^(\w+)\/(\w+)/;
@@ -741,25 +1207,27 @@ ENDPOP
}
&CloseTable();
}
+ &Close_PrgWin();
}
sub Cache_Statistics {
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;
foreach my $key( keys %CachData) {
- my @Temp=split(/\:/,$CachData{$key});
+ my @Temp=split(/\&/,$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};
$p_count++;
}
@@ -773,7 +1241,8 @@ sub Cache_Statistics {
&CreateTable(1,$Hid);
my @lpr=split(/\&/,$pr);
for (my $i=1; $i<=$#lpr; $i++) {
- my($Pre, $Post) = split(/\&/,$list[$nIdx]);
+ my($Pre, $Post) = split(/\@/,$list[$nIdx]);
+ #$r->print('<br>'.$Pre.'---'.$Post);
&TableRow($Post,$i,$nIdx);
$nIdx++;
}
@@ -783,7 +1252,7 @@ sub Cache_Statistics {
else {
&CreateTable(0);
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) {
- my($Pre, $Post) = split(/\&/,$list[$nIdx]);
+ my($Pre, $Post) = split(/\@/,$list[$nIdx]);
&TableRow($Post,$nIdx,$nIdx);
}
&CloseTable();
@@ -792,14 +1261,36 @@ sub Cache_Statistics {
sub TableRow {
my ($Str,$Idx,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,
- $Override,$Wrng,$DoD,$SD,$Sk,$Prob)=split(/\:/,$Str);
- $r->print( "\n".'<tr>'.
+ my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override,
+ $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$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.'"';
+ $r->print("\n".$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>'.$PrOrd.$Temp.'</td>'.
+ "\n".'<td>'.$Temp.'</td>'.
+ "\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'.
+ "\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'.
+ "\n".'<td bgcolor="#EEFFCC">'.$MxTries.'</td>'.
"\n".'<td bgcolor="#DDFFFF">'.$Avg.'</td>'.
"\n".'<td bgcolor="#DDFFFF"> '.$YES.'</td>'.
"\n".'<td bgcolor="#DDFFFF"> '.$Override.'</td>'.
@@ -807,15 +1298,17 @@ sub TableRow {
"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'.
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'.
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'.
-# "\n".'<td>'.$res.'</td>'.
- "\n".'</tr>' );
+ "\n".'<td bgcolor="#FFDDFF"> '.$_D1.'</td>'.
+ "\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>';
+ $r->print("\n".$Ptr.'</tr>' );
+ }
$GraphDat{$RealIdx}=$DoD.':'.$Wrng;
}
# ------------------------------------------- Prepare data for Graphical chart
sub GetGraphData {
- my $Tag = shift;
+ my $ylab = shift;
my $Col;
my $data='';
my $count = 0;
@@ -826,12 +1319,12 @@ 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) {
@@ -841,11 +1334,15 @@ 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");
@@ -865,6 +1362,8 @@ sub initial {
undef %CachData;
undef %GraphDat;
undef %DiscFac;
+ undef %OpResp;
+ undef %ConceptData;
undef $CurMap;
undef $CurSec;
undef $CurStu;
@@ -876,6 +1375,26 @@ sub initial {
$HWN=$P_Order;
}
+# my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
+# "_$ENV{'user.domain'}_$cid\_classlist.db";
+# if (-e "$CacheDB") {
+# if (tie(%students,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
+# &CachClassList();
+# }
+# else {
+# $r->print("Unable to tie hash to db file");
+# }
+# }
+# else {
+# if (tie(%students,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
+# &MakeClassList();
+# }
+# else {
+# $r->print("Unable to tie hash to db file");
+# }
+# }
+# untie(%students);
+
sub ClassList {
@@ -888,43 +1407,47 @@ sub ClassList {
$firstres=$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 %students = &Apache::lonnet::dump('classlist',$cdom,$cnum);
+# $Apache::lonxml::debug=1;
+# &Apache::lonhomework::showhash(%students);
+# $Apache::lonxml::debug=0;
+# my $StudNo = 0;
+# my $now=time;
+# my ($temp)=keys(%students);
+# unless ($temp=~/^error\:/) {
+# foreach my $KeyPoint(sort keys(%students)) {
+
+
+ my $classlst=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':classlist',$chome);
+
my $StudNo = 0;
my $now=time;
unless ($classlst=~/^error\:/) {
- foreach (sort split(/\&/,$classlst)) {
- my ($name,$value)=split(/\=/,$_);
+ foreach my $KeyPoint(sort split(/\&/,$classlst)) {
+ my ($name,$value)=split(/\=/,$KeyPoint);
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
- $name=&Apache::lonnet::unescape($name);
- my ($sname,$sdom)=split(/\:/,$name);
my $active=1;
my $Status=$ENV{'form.status'};
$Status = ($Status) ? $Status : 'Active';
if ( ( ($end) && $now > $end ) &&
( ($Status eq 'Active') ) ) { $active=0; }
+
if ( ($Status eq 'Expired') &&
($end == 0 || $now < $end) ) { $active=0; }
+
if ($active) {
my $thisindex=$#students+1;
$name=&Apache::lonnet::unescape($name);
$students[$thisindex]=$name;
my ($sname,$sdom)=split(/\:/,$name);
-
- #my %reply=&Apache::lonnet::idrget($sdom,$sname);
- #my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
- # ':environment:lastname&generation&firstname&middlename',
- # &Apache::lonnet::homeserver($sname,$sdom));
my $ssec=&usection($sdom,$sname,$cid,$Status);
- if ($ssec==-1) {next;}
+ if ($ssec==-1 || $ssec eq 'adm' ) {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;
+ $StuBox{$sname}=$sdom;
}
$StudNo++;
}
@@ -937,17 +1460,16 @@ sub ClassList {
$r->rflush();
# --------------- Find all assessments and put them into some linear-like order
&tracetable($firstres,'&'.$lastres.'&');
-
# my $c=0;
# foreach (sort keys %mapsort) {
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});
# $c++;
# }
-#foreach(@cols) {
-# $c++;
-# $r->print('<br>'.$cols[$c]);
-#}
-#$r->print('<br> Count = '.$c);
+# my $c=1;
+# foreach (sort keys %OpResp) {
+# $r->print('<br>'.$c.')'.$_.' ... '.$OpResp{$_}.' ... '.$hash{'src_'.$OpResp{$_}});
+# $c++;
+# }
}
@@ -955,66 +1477,86 @@ sub ClassList {
else {
$r->print('<h3>Undefined course sequence</h3>');
}
- &MapSecOptions();
}
-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.'" />');
- }
- else {
- $r->print('<html><head><title>LON-CAPA Statistics</title></head>');
-
-
- $r->print('<body bgcolor="#FFFFFF">'.
- '<script>window.focus(); window.width=500;window.height=500; </script>'.
- '<img align=right src=/adm/lonIcons/lonlogos.gif>');
+sub Title {
+ $r->print('<html><head><title>LON-CAPA Statistics</title></head>');
+ $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>');
+ $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->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 );
- }
+sub CreateForm {
+ $r->print("\n".'<form name=stat method=post action="/adm/statistics" >');
+ my $content = $ENV{'form.sort'};
+ if (!($ENV{'form.showcsv'}) &&
+ ($content eq '' || $content eq 'Return to Menu')) {
+ my $Ptr = '<h3>';
+ $Ptr .= '<input type=submit name=sort value="Problem Stats"/>';
+ $Ptr .= '<br><br>';
+ $Ptr .= '<input type=submit name=sort value="Problem Analysis"/>';
+ $Ptr .= '<br><br>';
+ $Ptr .= '<input type=submit name=sort value="Student Assessment"/>';
+ $Ptr .= '</h3>';
+ #$Ptr .= '<input type=submit name=sort value="Activity Log"/>';
+ #$Ptr .= '</h3>';
+ $r->print( $Ptr );
+ }
+ else {
+ &ClassList();
+ if ( $content eq 'Student Assessment' ||
+ $content eq 'Create Student Report' ) {
+ &MapSecOptions();
+ &StudentOptions();
+ &StudentReport($CurStu,$StuBox{"$CurStu"});
+ }
+ elsif ( $content eq 'Problem Analysis' ) {
+ &AnalyzeProblem();
+ }
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();
- }
+ &MapSecOptions();
+ &PreStatTable();
}
- $r->print("\n".'</form>'.
- "\n".'</body>'.
- "\n".'</html>');
- $r->rflush();
}
}
+
+sub Menu {
+ &initial();
+# $Apache::lonxml::debug=1;
+# &Apache::lonhomework::showhash(%ENV);
+# $Apache::lonxml::debug=0;
+ &Title();
+ my $InpStr = $ENV{'form.sort'};
+ if ($InpStr eq 'Activity Log') {
+ &Activity();
+ }
+ elsif ($InpStr=~/^Analyze\_/) {
+ &ClassList();
+ &ShowOpGraph($InpStr,$ENV{'form.interval'});
+ }
+ elsif ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) {
+ &GetGraphData($InpStr);
+ $r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />');
+ }
+ else {
+ &CreateForm();
+ $r->print("\n".'</form>');
+ }
+ $r->print("\n".'</body>'.
+ "\n".'</html>');
+ $r->rflush();
+}
+
+
sub StudentOptions {
my $OpSel5='';
$CurStu = $ENV{'form.student'};
@@ -1038,21 +1580,13 @@ sub StudentOptions {
$r->rflush();
}
-sub GetStatus {
- $OpSelDis1='';
- $OpSelDis2='';
+sub GetStatus {
$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'; }
@@ -1079,7 +1613,7 @@ sub GetStatus {
sub MapSecOptions {
# ----------------------------------- Loading the Maps Combobox
my $Ptr = '<br>';
- $Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />';
+ $Ptr .= '<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>';
@@ -1168,6 +1702,3 @@ sub handler {
}
1;
__END__
-
-
-