--- loncom/interface/lonstatistics.pm 2002/03/06 18:42:01 1.7
+++ loncom/interface/lonstatistics.pm 2002/03/17 01:30:00 1.11
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.7 2002/03/06 18:42:01 minaeibi Exp $
+# $Id: lonstatistics.pm,v 1.11 2002/03/17 01:30:00 minaeibi Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -30,7 +30,7 @@
# 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
# 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 Behrouz Minaei
###
package Apache::lonstatistics;
@@ -67,7 +67,6 @@ my $OpSel1;
my $OpSel2;
my $OpSelDis1;
my $OpSelDis2;
-my $CurDis=0;
my $OpSel3;
my $OpSel4;
my $GData;
@@ -79,8 +78,36 @@ my $HWN;
my $P_Order;
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
- 9,"S.D.",10,"Skew.",
- 11,"D.F.",12,"U.A.",13,"L.A.",14,"U.R.",15,"L.R.");
+ 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");
+
+
+sub get_student_answers {
+ my ($symb,$username,$domain,$courseid) = @_;
+ my ($map,$id,$feedurl) = split(/___/,$symb);
+ my (%old,%moreenv);
+ my @elements=('symb','courseid','domain','username');
+ foreach my $element (@elements) {
+ $old{$element}=$ENV{'form.grade_'.$element};
+ $moreenv{'form.grade_'.$element}=eval '$'.$element #'
+ }
+ $moreenv{'form.grade_target'}='answer';
+ &Apache::lonnet::appenv(%moreenv);
+ my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
+ &Apache::lonnet::delenv('form.grade_');
+ foreach my $element (@elements) {
+ $ENV{'form.grade_'.$element}=$old{$element};
+ }
+ $userview=~s/\
]*\>//gi;
+ $userview=~s/\<\/body\>//gi;
+ $userview=~s/\//gi;
+ $userview=~s/\<\/html\>//gi;
+ $userview=~s/\//gi;
+ $userview=~s/\<\/head\>//gi;
+ $userview=~s/action\s*\=/would_be_action\=/gi;
+ return $userview;
+}
+
+
#------- Processing upperlist and lowerlist according to each problem
sub ProcessDisc {
@@ -91,7 +118,8 @@ sub ProcessDisc {
my @Dis;
my $Slvd=0;
my $tmp;
- my $Sum=0;
+ my $Sum1=0;
+ my $Sum2=0;
my $nIdx=0;
my $nStud=0;
my %Proc;
@@ -103,14 +131,16 @@ sub ProcessDisc {
do {
$nIdx++;
$nStud++;
- $Sum += $Dis[$CurDis];
+ $Sum1 += $Dis[0];
+ $Sum2 += $Dis[1];
($Prb,$tmp)=split(/\=/,$List[$nIdx]);
@Dis=split(/\+/,$tmp);
} while ( $Prb eq $Temp && $nIdx < $Count );
- $Proc{$Temp}=$Sum.':'.$nStud;
- $Proc{$Temp}=($Sum/$nStud).':'.$nStud;
+# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud;
+ $Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud);
# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp}
");
- $Sum=0;
+ $Sum1=0;
+ $Sum2=0;
$nStud=0;
}
return %Proc;
@@ -312,8 +342,6 @@ sub PreStatTable {
"_$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='';
@@ -348,27 +376,21 @@ sub PreStatTable {
' #yes : Number of students solved the problem by override.
'.
' %Wrng : Percentage of students tried to solve the problem but'.
' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]
'.
-# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]
'.
- ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]
'.
+# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]
'. Kashy formula
+ ' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]
'. #Gerd formula
' S.D. : Standard Deviation of the tries.'.
'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'.
' where Xi denotes every student\'s tries ]
'.
' Skew. : Skewness of the students tries.'.
- ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]
'.
-
- ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits'.
- ' Awarded / Total Number of Tries in %27 upper and lower students]
'.
- ' U.A. : Upper %27 Award
'.
- ' L.A. : Lower %27 Award
'.
- ' U.R. : Upper %27 Records
'.
- ' L.R. : Lower %27 Records'.
-
-# "
The Upper 27% has $UpCnt records.".
-# " The Lower 27% has $UpCnt records
".
-# "The Criterion of sorting the students: ".
-# "( Sum of Partial Credits Awarded / ".
-# "Total Number of Tries )".
-
+ ' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]
'.
+ ' Dis.F. : Discrimination Factor: A Standard for '.
+ 'evaluating the problem according to a Criterion
'.
+ ' [Applied Criterion in %27 Upper Students - '.
+ 'Applied the same Criterion in %27 Lower Students]
'.
+ ' 1st Criterion for Sorting the Students: '.
+ 'Sum of Partial Credit Awarded / Total Number of Tries
'.
+ ' 2nd Criterion for Sorting the Students: '.
+ 'Total number of Correct Answers / Total Number of Tries'.
'';
$r->print($Ptr);
@@ -376,7 +398,6 @@ sub PreStatTable {
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
- tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
&Cache_Statistics();
}
@@ -386,7 +407,6 @@ sub PreStatTable {
}
else {
if (tie(%CachData,'GDBM_File',$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 $CachData{$_};}
@@ -401,7 +421,6 @@ sub PreStatTable {
untie(%CachData);
untie(%GraphDat);
- untie(%DiscFac);
}
@@ -525,7 +544,6 @@ sub ExtractStudentData {
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0;
$TotalTries += $TempHash{"$Part.Tries"};
$TotParCr += $TempHash{"$Part.ParCr"};
-#$r->print($Version.'---'.$Prob.'==='.$Time.'
');
my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
if ( $Val eq 'correct_by_student' )
{ $Wrongs = $Tries - 1; $Code = 'C'; }
@@ -563,8 +581,6 @@ sub ExtractStudentData {
# $DisF .= '+'.$TempHash{"$part.Time"};
$TimeTot += $TempHash{"$part.Time"};
$Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;
-
- #$r->print('
'.$DisFactor,'###',$DiscFac{$DisFactor});
$ptr .= ":$TempHash{$part.'.Tries'}".
":$TempHash{$part.'.Wrongs'}".
":$TempHash{$part.'.Code'}";
@@ -575,7 +591,7 @@ 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++;
#}
#}
@@ -584,7 +600,6 @@ sub ExtractStudentData {
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;
my $DisFactor = sprintf( "%.4f", $DisFac );
$DiscFac{$DisFactor}=$Dis;
- #$r->print('
'.$DisFactor,'###',$DiscFac{$DisFactor});
#my $time;
#if ($ProbSolved){
#$time = int(($TimeTot/$ProbSolved)-10000000);
@@ -634,7 +649,7 @@ sub tracetable {
$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;
- $r->print('
'.$PartNo.'---'.$P_Order);
+ #$r->print('
'.$PartNo.'---'.$P_Order);
}
}
}
@@ -811,14 +826,12 @@ ENDPOP
}
#--------------------- Compute the Discrimination Factors
- my ($UpD,$UpNo)=split(/\:/,$DisUp{$lpr[$i]});
- my ($LwD,$LwNo)=split(/\:/,$DisLow{$lpr[$i]});
- $UpNo = ($UpNo) ? $UpNo : 0;
- $LwNo = ($LwNo) ? $LwNo : 0;
- my $U_D = sprintf("%.2f", $UpD);
- my $L_D = sprintf("%.2f", $LwD);
- my $DisFac = $UpD - $LwD;
- my $_Dis = sprintf("%.2f", $DisFac);
+ my ($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 );
@@ -829,8 +842,7 @@ ENDPOP
my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'.
$TotalTries.':'.$MxTries.':'.$Avg.':'.
$YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.
- $SD.':'.$Sk.':'.$_Dis.':'.$U_D.':'.
- $L_D.':'.$UpNo.':'.$LwNo.':'.$Prob;
+ $SD.':'.$Sk.':'.$_D1.':'.$_D2.':'.$Prob;
$CachData{($p_count-1)}=$join;
$urlres=~/^(\w+)\/(\w+)/;
@@ -899,11 +911,10 @@ sub Cache_Statistics {
sub TableRow {
my ($Str,$Idx,$RealIdx)=@_;
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,
- $Override,$Wrng,$DoD,$SD,$Sk,$_Dis,$U_D,$L_D,$UpNo,$LwNo,
- $Prob)=split(/\:/,$Str);
+ $Override,$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\:/,$Str);
$r->print( "\n".''.
"\n".''.($RealIdx+1).' | '.
- "\n".''.$Temp.' | '.
+ "\n".''.$Temp.' | '.
"\n".' '.$StdNo.' | '.
"\n".''.$TotalTries.' | '.
"\n".''.$MxTries.' | '.
@@ -914,11 +925,8 @@ sub TableRow {
"\n".''.$DoD.' | '.
"\n".' '.$SD.' | '.
"\n".' '.$Sk.' | '.
- "\n".' '.$_Dis.' | '.
- "\n".' '.$U_D.' | '.
- "\n".' '.$L_D.' | '.
- "\n".' '.$UpNo.' | '.
- "\n".' '.$LwNo.' | '.
+ "\n".' '.$_D1.' | '.
+ "\n".' '.$_D2.' | '.
"\n".'
' );
$GraphDat{$RealIdx}=$DoD.':'.$Wrng;
}
@@ -1022,7 +1030,6 @@ sub ClassList {
$name=&Apache::lonnet::unescape($name);
$students[$thisindex]=$name;
my ($sname,$sdom)=split(/\:/,$name);
-
#my %reply=&Apache::lonnet::idrget($sdom,$sname);
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
# ':environment:lastname&generation&firstname&middlename',
@@ -1031,7 +1038,6 @@ sub ClassList {
if ($ssec==-1) {next;}
$ssec=($ssec) ? $ssec : '(none)';
#$ssec=(int($ssec)) ? int($ssec) : $ssec;
- #$r->print($sname.'...'.$ssec.'
');
$section{$ssec}=$ssec;
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) {
$students[$StudNo]=$name;
@@ -1048,18 +1054,11 @@ 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) {
# $r->print('
'.$c.')'.$_.' ... '.$mapsort{$_});
# $c++;
# }
-#foreach(@cols) {
-# $c++;
-# $r->print('
'.$cols[$c]);
-#}
-#$r->print('
Count = '.$c);
-
}
# ------------------------------------------------------------- End render page
@@ -1104,11 +1103,7 @@ sub Menu {
else {
&initial();
&ClassList();
- if ( $content eq 'Discrimination' || #'Problem Evaluation' ||
- $content eq 'Recalculate Discrimintion Factor' ) {
- &CreateDiscFac();
- }
- elsif ( $content eq 'Student Assessment' ||
+ if ( $content eq 'Student Assessment' ||
$content eq 'Create Student Report' ) {
&StudentOptions();
&StudentReport($CurStu,$StuBox{"$CurStu"});
@@ -1148,20 +1143,11 @@ sub StudentOptions {
}
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'; }