loncom/interface/lonstatistics.pm - diff

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Diff for /loncom/interface/lonstatistics.pm between versions 1.7 and 1.17

version 1.7, 2002/03/06 18:42:01	version 1.17, 2002/05/13 16:41:46
Line 27	Line 27
#	#
# (Navigate problems for statistical reports	# (Navigate problems for statistical reports
# YEAR=2001	# 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	# 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	# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
# YEAR=2002	# YEAR=2002
# 1/22, 2/1, 2/6, 2/25, 3/2, 3/6 Behrouz Minaei	# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6,5/12 Behrouz Minaei
	#
###	###

package Apache::lonstatistics;	package Apache::lonstatistics;

use strict;	use strict;
use Apache::Constants qw(:common :http);	use Apache::Constants qw(:common :http);
use Apache::lonnet();	use Apache::lonnet();
use Apache::lonhomework;	use Apache::lonhomework;
	use Apache::loncommon;
use HTML::TokeParser;	use HTML::TokeParser;
use GDBM_File;	use GDBM_File;

Line 46 use GDBM_File;	Line 48 use GDBM_File;
my %hash;	my %hash;
my %CachData;	my %CachData;
my %GraphDat;	my %GraphDat;
	my %OpResp;
my %maps;	my %maps;
my %mapsort;	my %mapsort;
my %section;	my %section;
Line 65 my $Pos;	Line 68 my $Pos;
my $r;	my $r;
my $OpSel1;	my $OpSel1;
my $OpSel2;	my $OpSel2;
my $OpSelDis1;
my $OpSelDis2;
my $CurDis=0;
my $OpSel3;	my $OpSel3;
my $OpSel4;	my $OpSel4;
my $GData;	my $GData;
Line 77 my $lastres;	Line 77 my $lastres;
my $DiscFlag;	my $DiscFlag;
my $HWN;	my $HWN;
my $P_Order;	my $P_Order;
	my %foil_to_concept;
	my @Concepts;
	my %ConceptData;
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",	my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",	4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
9,"S.D.",10,"Skew.",	9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");
11,"D.F.",12,"U.A.",13,"L.A.",14,"U.R.",15,"L.R.");	my @shown;

	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__/,$Answ,2);
	my %Answer=();
	%Answer=&Apache::lonnet::str2hash($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);
	my $show='';
	foreach my $elm (@{$Answer{"$parts.shown"}}) {
	$show.="$elm@";
	}
	chop($show);
	@shown=split(/\@/,$show);
	# $r->print("<br> shown:".$show);# $r->rflush();
	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);
	#$r->print("<br> $opn, to $due add=$add int=$Int");#$r->rflush();
	$ConceptData{"Int.0"}=$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)=@_;

	$r->print(<<ENDPOP);
	<script language="JavaScript">

	function display(name) {
	document.forms.displayform.elements.dis.value=name;
	window.status=name;
	}
	function cleardisplay() {
	document.forms.displayform.elements.dis.value='';
	window.status='No Concept in particular';
	}

	</script>
	ENDPOP

	my ($rid,$part)=split(/\:/,substr($InpStr,8));
	$ConceptData{"Interval"}=$Int_No;
	my $symb=&InitAnalysis($rid,$students[0]);
	&Interval($rid,$part,$symb);
	my $URI = $hash{'src_'.$rid};
	my $Src = $hash{'title_'.$rid};
	$Src =~ s/\ /"_"/eg;
	$r->print('<br><b>'.$URI.'</b>');
	for (my $n=1; $n<=$#Concepts+1; $n++ ) {
	my $tmp=$Concepts[$n-1];
	$tmp =~ s/</" less than "/eg;
	$r->print("<br><b>Concept $n</b>:$tmp");
	}
	$r->rflush();

	&Create_PrgWin();
	&Update_PrgWin("Starting to analyze problem");
	for (my $index=0;$index<=$#students;$index++) {
	&Update_PrgWin($index);
	&OpStatus($rid,$students[$index]);
	}
	&Close_PrgWin();

	for (my $k=0; $k<$Int_No; $k++ ) {
	my $data1='';
	my $data2='';
	&DrawGraph(&AdjustData($k).'+'.$Src.'+'.($k+1));
	}
	#$Apache::lonxml::debug=1;
	#&Apache::lonhomework::showhash(%ConceptData);
	#$Apache::lonxml::debug=0;
	my $Answ=&Apache::lonnet::ssi($URI);
	$r->print("<br><b>Here you can see the Problem:</b><br>$Answ");
	}

	sub AdjustData {
	my $k=shift;
	my $Max=0;
	my @data1;
	my @data2;
	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;}
	$ConceptData{"$tmp.true"}+=$data1[$n];
	$ConceptData{"$tmp.false"}+=$data2[$n];
	}
	for (my $n=0; $n<=$#Concepts; $n++ ) {
	if ($data1[$n]+$data2[$n]<$Max) {
	$data2[$n]+=$Max-($data1[$n]+$data2[$n]);
	}
	}
	return join(',',@data1).'+'.
	join(',',@data2).'+'.
	$Max.'+'.($#data1+1);
	}


	sub DrawGraph {
	my $data=shift;
	my($data1,$data2,$Max,$P_No,$Src,$k)=split(/\+/,$data);

	my $Str="\n".'<table border=1>'.
	"\n".'<tr>'.
	"\n".'<th> Correct Answers </th>'.
	"\n".'<th> Wrong Answers </th>'.
	"\n".'<th> From </th>'.
	"\n".'<th> To </th>'.
	"\n".'</tr>'.
	"\n"."<tr>".
	"\n"."<td> $data1 </td>".
	"\n"."<td> $data2 </td>".
	"\n"."<td> ".localtime($ConceptData{'Int.'.($k-1)})." </td>".
	"\n"."<td> ".localtime($ConceptData{'Int.'.$k}-1)." </td>".
	"\n"."</tr></table>";
	$r->print($Str);
	# $r->print('<br><b>Correct Answers:</b> '.$data1.
	# '<br><b>Wrong Answers: </b>'.$data2);
	# $r->print('<br><b>From: </b>'.localtime($ConceptData{'Int.'.($k-1)}).
	# '<br><b>To: </b>'.localtime($ConceptData{"Int.$k"}));

	# if ( $Max > 1 ) {
	# $Max += (10 - $Max % 10);
	# $Max = int($Max);
	# }
	# else { $Max = 1; }
	my $Titr=($ConceptData{'Interval'}>1) ? $Src.'_interval_'.$k : $Src;
	$GData=$Titr.'&'.'Concepts'.'&'.'Answers'.'&'.$Max.'&'.$P_No.'&'.$data1.'&'.$data2;
	if($ConceptData{'Interval'}>1){
	$r->print('<br><IMG src="/cgi-bin/graph.gif?'.$GData.'" />');
	return;
	}
	$r->print('<br>Move your mouse over a bar to find out the concept');
	my $ptr='';
	$ptr.="\n".'<form method="post" action="" name="displayform"> <input type=text name="dis" size=80> </form>';
	$ptr.="\n".'<p><img src=/cgi-bin/graph.gif?'.$GData.
	' usemap="#Map" border=1>'.
	"\n".'<map name="Map">';
	my $gap=12;
	my $Size=340;
	my $barsize=($P_No) ? int($Size/$P_No) : 1;
	for (my $i=0; $i<$P_No; $i++) {
	my $x1=80+$gap$i+($i$barsize);
	my $x2=$x1+$barsize;
	my $y1=25;
	my $y2=350;
	my $j=$i+1;
	$ptr.="\n".'<area shape="rect" coords='.$x1.','.$y1.','.$x2.','.$y2.' onMouseOver="display('."'Concept $j: $Concepts[$i]'".'); " href="javascript:alert('."'Concept $j: $Concepts[$i]'".');">';
	}
	$ptr.="\n".'<area shape="default" onMouseOver="cleardisplay(); " href="javascript:alert('.'No Concept in particular'.');">';
	$ptr.="\n".'</map></p>';
	$r->print('<br>'.$ptr.'<br>');
	}


	sub AnalyzeProblem {
	# -------------------------------- Selecting the number of intervals
	my $OpSel='';
	my $CurInt = $ENV{'form.interval'};
	if ($CurInt eq '') {$CurMap = '1';}
	my $Ptr = '<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 );

	$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> Resouse </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 {
	my ($type,$foil,$time)=@_;
	my $k=0;
	while ($time>$ConceptData{'Int.'.($k+1)} &&
	$k<$ConceptData{'Interval'}) {$k++;}
	$ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
	}


	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 $flag=0;
	@shown=();
	if ($reshash{'version'}) {
	for (my $version=1;$version<=$reshash{'version'};$version++) {
	my $time=$reshash{"$version:timestamp"};
	foreach (sort(split(/\:/,$reshash{$version.':keys'}))) {
	if (($_=~/\.(\w+)\.(\w+)\.submission$/)) {
	#my $Id1=$1; my $Id2=$2;
	my $Resp = $reshash{$_};
	my %submission=&Apache::lonnet::str2hash($Resp);
	foreach (keys %submission) {
	my $Ansr = $ConceptData{"$_"};
	#my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"};
	#$r->print("<br>shown: ".join(',',@shown)." size=$#shown");
	if ($submission{$_}) {
	#if($#shown==-1){
	#my @str=split(/\&/,$Resp);
	#my $garb;
	#for(my $j=0;$j<=$#str;$j++){
	# ($shown[$j],$garb)=split(/\=/,$str[$j]);
	#}
	##$r->print("<br>shown: ".join(',',@shown)." size=$#shown");
	#}
	if ($submission{$_} eq $Ansr) {
	&Decide("true",$_,$time );
	}
	else {&Decide("false",$_,$time );}
	}
	#else {
	# if ($#shown==-1 && $flag==0) {
	# $flag++;
	# &InitAnalysis($rid,$student);
	# }
	# my @erl=split(/\:/,$_);
	# for (my $i=0;$i<=$#shown; $i++){
	# my $Ans=$Answer{"$Id1.$Id2.foil.value.$shown[$i]"};
	# if ($erl[$i] eq $Ans) {
	# &Decide("true",$shown[$i],$time);
	# }
	# else {&Decide("false",$shown[$i],$time);}
	# }
	#}
	}
	}
	}
	}
	}
	}


#------- Processing upperlist and lowerlist according to each problem	#------- Processing upperlist and lowerlist according to each problem
sub ProcessDisc {	sub ProcessDisc {
Line 91 sub ProcessDisc {	Line 412 sub ProcessDisc {
my @Dis;	my @Dis;
my $Slvd=0;	my $Slvd=0;
my $tmp;	my $tmp;
my $Sum=0;	my $Sum1=0;
	my $Sum2=0;
my $nIdx=0;	my $nIdx=0;
my $nStud=0;	my $nStud=0;
my %Proc;	my %Proc;
Line 103 sub ProcessDisc {	Line 425 sub ProcessDisc {
do {	do {
$nIdx++;	$nIdx++;
$nStud++;	$nStud++;
$Sum += $Dis[$CurDis];	$Sum1 += $Dis[0];
	$Sum2 += $Dis[1];
($Prb,$tmp)=split(/\=/,$List[$nIdx]);	($Prb,$tmp)=split(/\=/,$List[$nIdx]);
@Dis=split(/\+/,$tmp);	@Dis=split(/\+/,$tmp);
} while ( $Prb eq $Temp && $nIdx < $Count );	} while ( $Prb eq $Temp && $nIdx < $Count );
$Proc{$Temp}=$Sum.':'.$nStud;	# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud;
$Proc{$Temp}=($Sum/$nStud).':'.$nStud;	$Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud);
# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} <br>");	# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} <br>");
$Sum=0;	$Sum1=0;
	$Sum2=0;
$nStud=0;	$nStud=0;
}	}
return %Proc;	return %Proc;
Line 154 sub NumericSort {	Line 478 sub NumericSort {

# ------ Create different Student Report	# ------ Create different Student Report
sub StudentReport {	sub StudentReport {

my ($sname,$sdom)=@_;	my ($sname,$sdom)=@_;

if ( $sname eq 'All Students' ) {	if ( $sname eq 'All Students' ) {
$r->print( '<h3><font color=blue>WARNING:	$r->print( '<h3><font color=blue>WARNING:
Please select a student</font></h3>' );	Please select a student</font></h3>' );
return;	return;
}	}
my $shome=&Apache::lonnet::homeserver($sname,$sdom);	my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome );
my %result = ();
my $ResId;	my $ResId;
my $PrOrd;	my $PrOrd;
my $Code;	my $Code;
Line 185 sub StudentReport {	Line 505 sub StudentReport {
"\n".'<th> Results </th>'.	"\n".'<th> Results </th>'.
"\n".'<th> Tries </th>'.	"\n".'<th> Tries </th>'.
"\n".'</tr>';	"\n".'</tr>';
unless ($reply=~/^error\:/) {	my ($temp)=keys(%result);
foreach (split(/\&/,$reply)){	unless ($temp=~/^error\:/) {
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
$result{$name}=$value;
}
foreach my $CurCol (@cols) {	foreach my $CurCol (@cols) {
if (!$CurCol){	if (!$CurCol){
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});	my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
Line 217 sub StudentReport {	Line 534 sub StudentReport {
my $PartNo = 0;	my $PartNo = 0;
undef %TempHash;	undef %TempHash;
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){	foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){
if ($_=~/^stores\_(\d+)\_tries$/) {	if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');	my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {	if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;	$TempHash{"$Part"} = $Part;
Line 312 sub PreStatTable {	Line 629 sub PreStatTable {
"_$ENV{'user.domain'}_$cid\_statistics.db";	"_$ENV{'user.domain'}_$cid\_statistics.db";
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".	my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
"_$ENV{'user.domain'}_$cid\_graph.db";	"_$ENV{'user.domain'}_$cid\_graph.db";
my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}".
"_$ENV{'user.domain'}_$cid\_DiscFactor.db";
my $OpSel11='';	my $OpSel11='';
my $OpSel12='';	my $OpSel12='';
my $OpSel13='';	my $OpSel13='';
Line 348 sub PreStatTable {	Line 663 sub PreStatTable {
'<b> #yes </b>: Number of students solved the problem by override.<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'.	'<b> %Wrng </b>: Percentage of students tried to solve the problem but'.
' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'.	' 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. [ Tries/(#YES+#yes+0.1) ]<br>'. Kashy formula
'<b> DoDiff </b>: Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'.	'<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.'.	'<b> S.D. </b> : Standard Deviation of the tries.'.
'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.	'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
' where Xi denotes every student\'s tries ]<br>'.	' where Xi denotes every student\'s tries ]<br>'.
'<b> Skew. </b>: Skewness of the students tries.'.	'<b> Skew. </b>: Skewness of the students tries.'.
' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'.	' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'.
	'<b> Dis.F. </b>: Discrimination Factor: A Standard for '.
'<b> Dis.F. </b>: Discrimination Factor. [ Sum of Partial Credits'.	'evaluating the problem according to a Criterion<br>'.
' Awarded / Total Number of Tries in %27 upper and lower students]<br>'.	'<b> [Applied Criterion in %27 Upper Students - '.
'<b> U.A. </b>: Upper %27 Award<br>'.	'Applied the same Criterion in %27 Lower Students]</b><br>'.
'<b> L.A. </b>: Lower %27 Award<br>'.	'<b> 1st Criterion</b> for Sorting the Students: '.
'<b> U.R. </b>: Upper %27 Records<br>'.	'<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>'.
'<b> L.R. </b>: Lower %27 Records'.	'<b> 2nd Criterion</b> for Sorting the Students: '.
	'<b>Total number of Correct Answers / Total Number of Tries</b>'.
# "<br>The <b>Upper 27%</b> has <b>$UpCnt</b> records.".
# "  The <b>Lower 27%</b> has <b>$UpCnt</b> records <br>".
# "The Criterion of sorting the students: ".
# "<b>( Sum of Partial Credits Awarded / ".
# "Total Number of Tries )</b>".

'</pre>';	'</pre>';

$r->print($Ptr);	$r->print($Ptr);
Line 376 sub PreStatTable {	Line 685 sub PreStatTable {

if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {	if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {	if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);	tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
&Cache_Statistics();	&Cache_Statistics();
}	}
Line 386 sub PreStatTable {	Line 694 sub PreStatTable {
}	}
else {	else {
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {	if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);	tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
foreach (keys %DiscFac) {delete $CachData{$_};}	foreach (keys %DiscFac) {delete $CachData{$_};}
foreach (keys %CachData) {delete $CachData{$_};}	foreach (keys %CachData) {delete $CachData{$_};}
Line 397 sub PreStatTable {	Line 704 sub PreStatTable {
$r->print("Unable to tie hash to db file");	$r->print("Unable to tie hash to db file");
}	}
}	}
#$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(%CachData);
untie(%GraphDat);	untie(%GraphDat);
untie(%DiscFac);
}	}


Line 443 sub usection {	Line 749 sub usection {


# ------ Dump the Student's DB file and handling the data for statistics table	# ------ Dump the Student's DB file and handling the data for statistics table

sub ExtractStudentData {	sub ExtractStudentData {
my ($student,$coid)=@_;	my $student=shift;
my ($sname,$sdom) = split( /\:/, $student );	my ($sname,$sdom) = split( /\:/, $student );
my $shome=&Apache::lonnet::homeserver( $sname,$sdom );	my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
my %result = ();
my $ResId;	my $ResId;
my $PrOrd;	my $PrOrd;
my $Dis = '';	my $Dis = '';
Line 464 sub ExtractStudentData {	Line 767 sub ExtractStudentData {
my $TotParCr = 0;	my $TotParCr = 0;
my $Wrongs;	my $Wrongs;
my %TempHash;	my %TempHash;
my $Version;	my $Version;
my $LatestVersion;	my $LatestVersion;
my $SecLimit;	my $SecLimit;
my $MapLimit;	my $MapLimit;
unless ($reply=~/^error\:/) {	my ($temp)=keys(%result);
foreach (split(/\&/,$reply)) {	unless ($temp=~/^error\:/) {
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
$result{$name}=$value;
}
foreach my $CurCol(@cols) {	foreach my $CurCol(@cols) {
($PrOrd,$ResId)=split(/\:/,$CurCol);	($PrOrd,$ResId)=split(/\:/,$CurCol);
if ( !$CurCol ) { next; }	if ( !$CurCol ) { next; }
$ResId=~/(\d+)\.(\d+)/;	$ResId=~/(\d+)\.(\d+)/;
my $MapId=$1;	my $MapId=$1;
my $PrbId=$2;	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' ) {	if ( $CurMap ne 'All Maps' ) {
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap);	my ( $ResMap, $NameMap ) = split(/\=/,$CurMap);
if ( $Map ne $ResMap ) { next; }	if ( $Map ne $ResMap ) { next; }
Line 488 sub ExtractStudentData {	Line 789 sub ExtractStudentData {
my $PartNo = 0;	my $PartNo = 0;
$Dis .= ':';	$Dis .= ':';
undef %TempHash;	undef %TempHash;
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
if ($_=~/^stores\_(\d+)\_tries$/) {	foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
	if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');	my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {	if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;	$TempHash{"$Part"} = $Part;
Line 498 sub ExtractStudentData {	Line 800 sub ExtractStudentData {
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;	$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
$PartNo++;	$PartNo++;
}	}
	#my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
}	}
}	}
	&Apache::lonnet::declutter( $hash{'src_'.$ResId} );
	my $URI = $hash{'src_'.$ResId};
my $Prob = $Map.'___'.$PrbId.'___'.	my $Prob = $Map.'___'.$PrbId.'___'.
&Apache::lonnet::declutter( $hash{'src_'.$ResId} );	&Apache::lonnet::declutter($URI);
$Code='U';	$Code='U';
$Tries = 0;	$Tries = 0;
$ParCr = 0;	$ParCr = 0;
$Wrongs = 0;	$Wrongs = 0;
$LatestVersion = $result{"version:$Prob"};	$LatestVersion = $result{"version:$Prob"};

if ( $LatestVersion ) {	if ( $LatestVersion ) {
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {	for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
my $vkeys = $result{"$Version:keys:$Prob"};	my $vkeys = $result{"$Version:keys:$Prob"};
my @keys = split(/\:/,$vkeys);	my @keys = split(/\:/,$vkeys);

foreach my $Key (@keys) {	foreach my $Key (@keys) {
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {	if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
my $Part = $1;	my $Part = $1;
Line 525 sub ExtractStudentData {	Line 827 sub ExtractStudentData {
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0;	$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0;
$TotalTries += $TempHash{"$Part.Tries"};	$TotalTries += $TempHash{"$Part.Tries"};
$TotParCr += $TempHash{"$Part.ParCr"};	$TotParCr += $TempHash{"$Part.ParCr"};
#$r->print($Version.'---'.$Prob.'==='.$Time.'<br>');
my $Val = $result{"$Version:$Prob:resource.$Part.solved"};	my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
if ( $Val eq 'correct_by_student' )	if ( $Val eq 'correct_by_student' )
{ $Wrongs = $Tries - 1; $Code = 'C'; }	{ $Wrongs = $Tries - 1; $Code = 'C'; }
Line 547 sub ExtractStudentData {	Line 848 sub ExtractStudentData {
{$ProbSolved++;$Yes=1;}	{$ProbSolved++;$Yes=1;}

# my $ptr = "$hash{'title_'.$ResId}";	# my $ptr = "$hash{'title_'.$ResId}";
my $ptr = $TempHash{$part.'.PrOrd'}.':'.$ResId;	my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$ResId;

if ( $PartNo > 1 ) {	if ( $PartNo > 1 ) {
$ptr .= "*(part $part)";	$ptr .= "*(part $part)";
$Dis .= ':';	$Dis .= '&';
}	}
my $Fac = ($TempHash{"$part.Tries"}) ?	my $Fac = ($TempHash{"$part.Tries"}) ?
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0;	($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0;
Line 560 sub ExtractStudentData {	Line 861 sub ExtractStudentData {
$DisF = sprintf( "%.4f", $Fac );	$DisF = sprintf( "%.4f", $Fac );
}	}
else {$DisF = $Fac;}	else {$DisF = $Fac;}
# $DisF .= '+'.$TempHash{"$part.Time"};	# $DisF .= '+'.$TempHash{"$part.Time"};33333333
$TimeTot += $TempHash{"$part.Time"};	$TimeTot += $TempHash{"$part.Time"};
$Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;	$Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;
	$ptr .= "&$TempHash{$part.'.Tries'}".
#$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor});	"&$TempHash{$part.'.Wrongs'}".
$ptr .= ":$TempHash{$part.'.Tries'}".	"&$TempHash{$part.'.Code'}";
":$TempHash{$part.'.Wrongs'}".
":$TempHash{$part.'.Code'}";
push (@list, $ptr);	push (@list, $ptr);
$TotalOpend++;	$TotalOpend++;
$ProbTot++;	$ProbTot++;
Line 575 sub ExtractStudentData {	Line 874 sub ExtractStudentData {
}	}
#else {	#else {
#for(my $n=0; $n<$PartNo; $n++) {	#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++;	# $ProbTot++;
#}	#}
#}	#}
Line 584 sub ExtractStudentData {	Line 883 sub ExtractStudentData {
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;	my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;
my $DisFactor = sprintf( "%.4f", $DisFac );	my $DisFactor = sprintf( "%.4f", $DisFac );
$DiscFac{$DisFactor}=$Dis;	$DiscFac{$DisFactor}=$Dis;
#$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor});
#my $time;	#my $time;
#if ($ProbSolved){	#if ($ProbSolved){
#$time = int(($TimeTot/$ProbSolved)-10000000);	#$time = int(($TimeTot/$ProbSolved)-10000000);
Line 600 sub ExtractStudentData {	Line 898 sub ExtractStudentData {
# ------------------------------------------------------------ Build page table	# ------------------------------------------------------------ Build page table
sub tracetable {	sub tracetable {
my ($rid,$beenhere)=@_;	my ($rid,$beenhere)=@_;
	my $IsMap=0;
$rid=~/(\d+)\.(\d+)/;	$rid=~/(\d+)\.(\d+)/;
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid};	$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid};
#$maps{$HWN}=$hash{'title_'.$rid};	#$maps{$HWN}=$hash{'title_'.$rid};
Line 611 sub tracetable {	Line 910 sub tracetable {
$cols[$#cols+1]=0;	$cols[$#cols+1]=0;
$P_Order++;	$P_Order++;
$HWN=$P_Order;	$HWN=$P_Order;
$mapsort{$HWN} = $rid.':';	$mapsort{$HWN} = $rid.':';
	$IsMap=1;

#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}=	#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}=
# $hash{'title_'.$rid};	# $hash{'title_'.$rid};
}	}
Line 626 sub tracetable {	Line 927 sub tracetable {

my $meta=$hash{'src_'.$frid};	my $meta=$hash{'src_'.$frid};
my $PartNo = 0;	my $PartNo = 0;
	my $Part;
	# if ($IsMap==0){
if ($meta) {	if ($meta) {
if ($meta=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/) {	if ($meta=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/) {
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {	foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
if ($_=~/^stores\_(\d+)\_tries$/) {	if ($_=~/^stores\_(\w+)\_tries$/) {
&Apache::lonnet::metadata($meta,$_.'.part');	$Part=&Apache::lonnet::metadata($meta,$_.'.part');
$P_Order++;	$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;	$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;	$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 {	} else {
$cols[$#cols+1]=($P_Order+1).':'.$rid;	$cols[$#cols+1]=($P_Order+1).':'.$rid;
my $meta=$hash{'src_'.$rid};	my $meta=$hash{'src_'.$rid};
my $PartNo = 0;	my $PartNo = 0;
if ($meta) {	if ($meta) {
if ($meta=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/) {	if ($meta=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/) {
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {	foreach my $Key(split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
if ($_=~/^stores\_(\d+)\_tries$/) {	if ($Key=~/^stores\_(\w+)\_tries$/) {
&Apache::lonnet::metadata($meta,$_.'.part');	my $Part=&Apache::lonnet::metadata($meta,$Key.'.part');
$P_Order++;	$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;	$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;	$PartNo++;
	foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) {
	if ($_=~/^optionresponse\_($Part)\_(\w+)$/) {
	#$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part);
	$OpResp{$P_Order}="$rid:$Part";;
	}

	}

}	}
}	}
}	}
}	}
}	}
if (defined($hash{'to_'.$rid})) {	if (defined($hash{'to_'.$rid})) {
foreach (split(/\,/,$hash{'to_'.$rid})){	foreach (split(/\,/,$hash{'to_'.$rid})){
Line 676 sub MySort {	Line 994 sub MySort {
}	}
}	}

sub Build_Statistics {	sub Create_PrgWin {
	#----------- Create progress
$r->print(<<ENDPOP);	$r->print(<<ENDPOP);
<script>	<script>
popwin=open('','popwin','width=400,height=100');	popwin=open('','popwin','width=400,height=100');
Line 691 sub Build_Statistics {	Line 1010 sub Build_Statistics {
ENDPOP	ENDPOP

$r->rflush();	$r->rflush();
# ---------------------------- Gathering the Data of students' tries	}
my $index;
for ($index=0;$index<=$#students;$index++) {
	sub Update_PrgWin {
#----------- update progress	#----------- update progress
$r->print('<script>popwin.document.popremain.remaining.value="'.	my $index = shift;
'Computing '.($index+1).'/'.($#students+1).': '.	$r->print('<script>popwin.document.popremain.remaining.value="'.
$students[$index].'";</script>');	'Computing '.($index+1).'/'.($#students+1).': '.
$r->rflush();	$students[$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	# -------------------- sorting the Data
Line 728 ENDPOP	Line 1061 ENDPOP
&CreateTable(1,$Hid);	&CreateTable(1,$Hid);
for (my $i=1; $i<=$#lpr; $i++) {	for (my $i=1; $i<=$#lpr; $i++) {
my %storestats=();	my %storestats=();
my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);	my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
my $Temp = $Prob;	my $Temp = $Prob;
my $MxTries = 0;	my $MxTries = 0;
my $TotalTries = 0;	my $TotalTries = 0;
Line 748 ENDPOP	Line 1081 ENDPOP
elsif( $Code eq 'I' ) { $Incorrect++; }	elsif( $Code eq 'I' ) { $Incorrect++; }
elsif( $Code eq 'O' ) { $Override++; }	elsif( $Code eq 'O' ) { $Override++; }
elsif( $Code eq 'U' ) { $StdNo--; }	elsif( $Code eq 'U' ) { $StdNo--; }
($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);	($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
}	}

$p_count++;	$p_count++;
Line 757 ENDPOP	Line 1090 ENDPOP

$Temp = '<a href="'.$hash{'src_'.$ResId}.	$Temp = '<a href="'.$hash{'src_'.$ResId}.
'" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>';	'" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>';

my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId});	my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId});
my $urlres=$res;	my $urlres=$res;

Line 807 ENDPOP	Line 1140 ENDPOP
$Skewness += $Dif$Dif$Dif;	$Skewness += $Dif$Dif$Dif;
}	}
$Skewness /= $StdNo;	$Skewness /= $StdNo;
$Skewness /= $StdDev$StdDev$StdDev;	$Skewness /= $StdDev$StdDev$StdDev;
}	}

#--------------------- Compute the Discrimination Factors	#--------------------- Compute the Discrimination Factors
my ($UpD,$UpNo)=split(/\:/,$DisUp{$lpr[$i]});	my ($Up1,$Up2)=split(/\:/,$DisUp{$lpr[$i]});
my ($LwD,$LwNo)=split(/\:/,$DisLow{$lpr[$i]});	my ($Lw1,$Lw2)=split(/\:/,$DisLow{$lpr[$i]});
$UpNo = ($UpNo) ? $UpNo : 0;	my $Dis1 = $Up1 - $Lw1;
$LwNo = ($LwNo) ? $LwNo : 0;	my $Dis2 = $Up2 - $Lw2;
my $U_D = sprintf("%.2f", $UpD);	my $_D1 = sprintf("%.2f", $Dis1);
my $L_D = sprintf("%.2f", $LwD);	my $_D2 = sprintf("%.2f", $Dis2);
my $DisFac = $UpD - $LwD;
my $_Dis = sprintf("%.2f", $DisFac);

#----------------- Some restition in presenting the float numbers	#----------------- Some restition in presenting the float numbers
my $Avg = sprintf( "%.2f", $Average );	my $Avg = sprintf( "%.2f", $Average );
Line 826 ENDPOP	Line 1157 ENDPOP
my $SD = sprintf( "%.1f", $StdDev );	my $SD = sprintf( "%.1f", $StdDev );
my $DoD = sprintf( "%.2f", $DoDiff );	my $DoD = sprintf( "%.2f", $DoDiff );
my $Sk = sprintf( "%.1f", $Skewness );	my $Sk = sprintf( "%.1f", $Skewness );
my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'.	my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'.
$TotalTries.':'.$MxTries.':'.$Avg.':'.	$TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
$YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.	$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
$SD.':'.$Sk.':'.$_Dis.':'.$U_D.':'.	$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.
$L_D.':'.$UpNo.':'.$LwNo.':'.$Prob;	$Prob;
$CachData{($p_count-1)}=$join;	$CachData{($p_count-1)}=$join;

$urlres=~/^(\w+)\/(\w+)/;	$urlres=~/^(\w+)\/(\w+)/;
Line 844 ENDPOP	Line 1175 ENDPOP
}	}
&CloseTable();	&CloseTable();
}	}
#--------------------- close Progress Line	&Close_PrgWin();
$r->print('<script>popwin.close()</script>');
$r->rflush();
}	}

sub Cache_Statistics {	sub Cache_Statistics {
Line 858 sub Cache_Statistics {	Line 1187 sub Cache_Statistics {
if ($Pos > 0) {$Pos++;}	if ($Pos > 0) {$Pos++;}
$p_count = 0;	$p_count = 0;
foreach my $key( keys %CachData) {	foreach my $key( keys %CachData) {
my @Temp=split(/\:/,$CachData{$key});	my @Temp=split(/\&/,$CachData{$key});
if ( $Pos == 0 ) {	if ( $Pos == 0 ) {
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);	($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);
}	}
else {	else {
$Useful = $Temp[$Pos];	$Useful = $Temp[$Pos];
}	}
$list[$p_count]=$Useful.'&'.$CachData{$key};	$list[$p_count]=$Useful.'@'.$CachData{$key};
$p_count++;	$p_count++;
}	}

Line 879 sub Cache_Statistics {	Line 1208 sub Cache_Statistics {
&CreateTable(1,$Hid);	&CreateTable(1,$Hid);
my @lpr=split(/\&/,$pr);	my @lpr=split(/\&/,$pr);
for (my $i=1; $i<=$#lpr; $i++) {	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,$nIdx);	&TableRow($Post,$i,$nIdx);
$nIdx++;	$nIdx++;
}	}
Line 889 sub Cache_Statistics {	Line 1219 sub Cache_Statistics {
else {	else {
&CreateTable(0);	&CreateTable(0);
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) {	for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) {
my($Pre, $Post) = split(/\&/,$list[$nIdx]);	my($Pre, $Post) = split(/\@/,$list[$nIdx]);
&TableRow($Post,$nIdx,$nIdx);	&TableRow($Post,$nIdx,$nIdx);
}	}
&CloseTable();	&CloseTable();
Line 898 sub Cache_Statistics {	Line 1228 sub Cache_Statistics {

sub TableRow {	sub TableRow {
my ($Str,$Idx,$RealIdx)=@_;	my ($Str,$Idx,$RealIdx)=@_;
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,	my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override,
$Override,$Wrng,$DoD,$SD,$Sk,$_Dis,$U_D,$L_D,$UpNo,$LwNo,	$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$Str);
$Prob)=split(/\:/,$Str);	my $Ptr = "\n".'<tr>'.
$r->print( "\n".'<tr>'.
"\n".'<td>'.($RealIdx+1).'</td>'.	"\n".'<td>'.($RealIdx+1).'</td>'.
"\n".'<td bgcolor="#FFFFFF">'.$Temp.'</td>'.	# "\n".'<td>'.$PrOrd.$Temp.'</td>'.
	"\n".'<td>'.$Temp.'</td>'.
"\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'.	"\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'.
"\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'.	"\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'.
"\n".'<td bgcolor="#EEFFCC">'.$MxTries.'</td>'.	"\n".'<td bgcolor="#EEFFCC">'.$MxTries.'</td>'.
Line 914 sub TableRow {	Line 1244 sub TableRow {
"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'.	"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'.
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'.	"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'.
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'.	"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'.
"\n".'<td bgcolor="#FFDDCC"> '.$_Dis.'</td>'.	"\n".'<td bgcolor="#FFDDFF"> '.$_D1.'</td>'.
"\n".'<td bgcolor="#FFFFDD"> '.$U_D.'</td>'.	"\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>';
"\n".'<td bgcolor="#FFFFDD"> '.$L_D.'</td>'.	$r->print("\n".$Ptr.'</tr>' );
"\n".'<td bgcolor="#FFFFDD"> '.$UpNo.'</td>'.
"\n".'<td bgcolor="#FFFFDD"> '.$LwNo.'</td>'.
"\n".'</tr>' );
$GraphDat{$RealIdx}=$DoD.':'.$Wrng;	$GraphDat{$RealIdx}=$DoD.':'.$Wrng;
}	}

# ------------------------------------------- Prepare data for Graphical chart	# ------------------------------------------- Prepare data for Graphical chart

sub GetGraphData {	sub GetGraphData {
my $Tag = shift;	my $ylab = shift;
my $Col;	my $Col;
my $data='';	my $data='';
my $count = 0;	my $count = 0;
Line 937 sub GetGraphData {	Line 1264 sub GetGraphData {
foreach (keys %GraphDat) {delete $GraphDat{$_};}	foreach (keys %GraphDat) {delete $GraphDat{$_};}
if (-e "$GraphDB") {	if (-e "$GraphDB") {
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) {	if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) {
if ( $Tag eq 'DoDiff Graph' ) {	if ( $ylab eq 'DoDiff Graph' ) {
$Tag = 'Degree-of-Difficulty';	$ylab = 'Degree-of-Difficulty';
$Col = 0;	$Col = 0;
}	}
else {	else {
$Tag = 'Wrong-Percentage';	$ylab = 'Wrong-Percentage';
$Col = 1;	$Col = 1;
}	}
foreach (sort NumericSort keys %GraphDat) {	foreach (sort NumericSort keys %GraphDat) {
Line 952 sub GetGraphData {	Line 1279 sub GetGraphData {
$data .= $inf.',';	$data .= $inf.',';
$count++;	$count++;
}	}
	if ( $Max > 1 ) {
	$Max += (10 - $Max % 10);
	$Max = int($Max);
	}
	else { $Max = 1; }
untie(%GraphDat);	untie(%GraphDat);
my $Course = $ENV{'course.'.$cid.'.description'};	my $Course = $ENV{'course.'.$cid.'.description'};
$Course =~ s/\ /"_"/eg;	$Course =~ s/\ /"_"/eg;
$GData=$Course.'&'.$Tag.'&'.$Max.'&'.$count.'&'.$data;	$GData=$Course.'&'.'Problems'.'&'.$ylab.'&'.$Max.'&'.$count.'&'.$data;

}	}
else {	else {
$r->print("Unable to tie hash to db file");	$r->print("Unable to tie hash to db file");
Line 976 sub initial {	Line 1307 sub initial {
undef %CachData;	undef %CachData;
undef %GraphDat;	undef %GraphDat;
undef %DiscFac;	undef %DiscFac;
	undef %OpResp;
	undef %ConceptData;
undef $CurMap;	undef $CurMap;
undef $CurSec;	undef $CurSec;
undef $CurStu;	undef $CurStu;
Line 1017 sub ClassList {	Line 1350 sub ClassList {
( ($Status eq 'Active') ) ) { $active=0; }	( ($Status eq 'Active') ) ) { $active=0; }
if ( ($Status eq 'Expired') &&	if ( ($Status eq 'Expired') &&
($end == 0 \|\| $now < $end) ) { $active=0; }	($end == 0 \|\| $now < $end) ) { $active=0; }
	#//new
	# $Status = 'Any';
	#end new
if ($active) {	if ($active) {
my $thisindex=$#students+1;	my $thisindex=$#students+1;
$name=&Apache::lonnet::unescape($name);	$name=&Apache::lonnet::unescape($name);
$students[$thisindex]=$name;	$students[$thisindex]=$name;
my ($sname,$sdom)=split(/\:/,$name);	my ($sname,$sdom)=split(/\:/,$name);

#my %reply=&Apache::lonnet::idrget($sdom,$sname);	#my %reply=&Apache::lonnet::idrget($sdom,$sname);
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.	#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
# ':environment:lastname&generation&firstname&middlename',	# ':environment:lastname&generation&firstname&middlename',
# &Apache::lonnet::homeserver($sname,$sdom));	# &Apache::lonnet::homeserver($sname,$sdom));
my $ssec=&usection($sdom,$sname,$cid,$Status);	my $ssec=&usection($sdom,$sname,$cid,$Status);
if ($ssec==-1) {next;}	# if ($ssec==-1 ) {next;}
	if ($ssec==-1 \|\| $ssec eq 'adm' ) {next;}
$ssec=($ssec) ? $ssec : '(none)';	$ssec=($ssec) ? $ssec : '(none)';
#$ssec=(int($ssec)) ? int($ssec) : $ssec;	#$ssec=(int($ssec)) ? int($ssec) : $ssec;
#$r->print($sname.'...'.$ssec.'<br>');
$section{$ssec}=$ssec;	$section{$ssec}=$ssec;
if ($CurSec eq 'All Sections' \|\| $ssec eq $CurSec) {	if ($CurSec eq 'All Sections' \|\| $ssec eq $CurSec) {
$students[$StudNo]=$name;	$students[$StudNo]=$name;
Line 1048 sub ClassList {	Line 1383 sub ClassList {
$r->rflush();	$r->rflush();
# --------------- Find all assessments and put them into some linear-like order	# --------------- Find all assessments and put them into some linear-like order
&tracetable($firstres,'&'.$lastres.'&');	&tracetable($firstres,'&'.$lastres.'&');

# my $c=0;	# my $c=0;
# foreach (sort keys %mapsort) {	# foreach (sort keys %mapsort) {
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});	# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});
# $c++;	# $c++;
# }	# }
#foreach(@cols) {	# my $c=1;
# $c++;	# foreach (sort keys %OpResp) {
# $r->print('<br>'.$cols[$c]);	# $r->print('<br>'.$c.')'.$_.' ... '.$OpResp{$_}.' ... '.$hash{'src_'.$OpResp{$_}});
#}	# $c++;
#$r->print('<br> Count = '.$c);	# }

}	}

Line 1066 sub ClassList {	Line 1400 sub ClassList {
else {	else {
$r->print('<h3>Undefined course sequence</h3>');	$r->print('<h3>Undefined course sequence</h3>');
}	}
&MapSecOptions();	}


	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>');
	# ------------------------------- This is going to take a while, produce output
	$r->rflush();
	}

	sub CreateForm {
	$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 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>';
	$r->print( $Ptr );
	}
	else {
	if ( $content eq 'Student Assessment' \|\|
	$content eq 'Create Student Report' ) {
	&MapSecOptions();
	&StudentOptions();
	&StudentReport($CurStu,$StuBox{"$CurStu"});
	}
	elsif ( $content eq 'Problem Analysis' ) {
	&AnalyzeProblem();
	}
	else {
	&MapSecOptions();
	&PreStatTable();
	}
	}
}	}


sub Menu {	sub Menu {
	&initial();
	&Title();
	&ClassList();
my $InpStr = $ENV{'form.sort'};	my $InpStr = $ENV{'form.sort'};
if ( $InpStr eq 'DoDiff Graph' \|\| $InpStr eq '%Wrong Graph' ) {	if ($InpStr=~/^Analyze\_/) {
	&ShowOpGraph($InpStr,$ENV{'form.interval'});
	}
	elsif ( $InpStr eq 'DoDiff Graph' \|\| $InpStr eq '%Wrong Graph' ) {
&GetGraphData($InpStr);	&GetGraphData($InpStr);
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />');	$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />');
}	}
else {	else {
$r->print('<html><head><title>LON-CAPA Statistics</title></head>');	&CreateForm();
	$r->print("\n".'</form>');

$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"/>';
$Ptr .= '<br><br>';
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>';
$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();
}	}
	$r->print("\n".'</body>'.
	"\n".'</html>');
	$r->rflush();
}	}

sub StudentOptions {	sub StudentOptions {
Line 1147 sub StudentOptions {	Line 1491 sub StudentOptions {
$r->rflush();	$r->rflush();
}	}

sub GetStatus {

# $OpSelDis1='';	sub GetStatus {
# $OpSelDis2='';
$OpSel1='';	$OpSel1='';
$OpSel2='';	$OpSel2='';
$OpSel3='';	$OpSel3='';
$OpSel4='';	$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'; }	if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; }
else { $OpSel1 = 'selected'; }	else { $OpSel1 = 'selected'; }

Line 1277 sub handler {	Line 1613 sub handler {
}	}
1;	1;
__END__	__END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.7
changed lines
	Added in v.1.17