--- loncom/interface/lonstatistics.pm 2002/07/19 18:17:34 1.28
+++ loncom/interface/lonstatistics.pm 2010/09/11 19:08:19 1.148.2.4
@@ -1,7 +1,6 @@
# The LearningOnline Network with CAPA
-# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.28 2002/07/19 18:17:34 minaeibi Exp $
+# $Id: lonstatistics.pm,v 1.148.2.4 2010/09/11 19:08:19 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,2142 +25,1181 @@
# http://www.lon-capa.org/
#
# (Navigate problems for statistical reports
-# YEAR=2001
-# 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
-# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
-# 5/12,5/14,5/15,5/19,5/26,7/16 Behrouz Minaei
#
###
-package Apache::lonstatistics;
-use strict;
-use Apache::Constants qw(:common :http);
-use Apache::lonnet();
-use Apache::lonhomework;
-use Apache::loncommon;
-use HTML::TokeParser;
-use GDBM_File;
-# -------------------------------------------------------------- Module Globals
-my %hash;
-my %CachData;
-my %GraphDat;
-my $r;
-my $GData;
-my %color;
-my %foil_to_concept;
-my @Concepts;
-my %ConceptData;
-my %Answer=();
-my %mapsort;
-
-my %Activity=();
-my %Grade=();
-my %DoDiff=();
-my %Discuss=();
-my $TotalDiscuss=0;
-my $TotalDiscuss_=0;
-
-
-sub LoadDiscussion {
-# my $symb=shift;
-# $r->print('
$cid ... '.$symb);
-# my %contrib=&Apache::lonnet::dump('msu_2964385f9033c63msul1','msu','2964385f9033c63msul1');
- my $cid=$ENV{'request.course.id'};
- my %contrib=&Apache::lonnet::dump(
- $ENV{'request.course.id'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-
- foreach my $temp(keys %contrib) {
- if ($temp=~/^version/) {
- my $ver=$contrib{$temp};
- my ($dummy,$prb)=split(':',$temp);
- for (my $idx=1; $idx<=$ver; $idx++ ) {
- my $name=$contrib{"$idx:$prb:sendername"};
- $Discuss{"$name:$prb"}=$idx;
- }
- }
- }
-# $r->print('
cid='.$cid);
-# my %contrib=&Apache::lonnet::restore($symb,$cid,
-# $ENV{$cid.'.domain'},
-# $ENV{'course.'.$cid.'.num'});
-
-# $Apache::lonxml::debug=1;
-# &Apache::lonhomework::showhash(%Discuss);
-# $Apache::lonxml::debug=0;
-}
+package Apache::lonstatistics;
-sub LoadDoDiffFile {
- my $file="/home/minaeibi/183d.txt";
- open(FILEID, "<$file");
- my $line=
'.$#Act);
- for(my $n=0;$n<=$#Act;$n++){
- my ($res,$Degree)=split('@',$Act[$n]);
- $DoDiff{$res}=$Degree;
- }
-}
+use strict;
+use Apache::Constants qw(:common :http);
+use vars qw(
+ @FullClasslist
+ @Students
+ @Sections
+ @Groups
+ %StudentData
+ @StudentDataOrder
+ @SelectedStudentData
+ $enrollment_status);
+use Apache::lonnet;
+use Apache::lonhomework;
+use Apache::loncommon;
+use Apache::loncoursedata;
+use Apache::lonhtmlcommon;
+use Apache::lonmysql;
+use Apache::lonlocal;
+use Apache::longroup;
+use Time::HiRes;
+#
+# Statistics Packages
+use Apache::lonproblemanalysis();
+use Apache::lonsubmissiontimeanalysis();
+use Apache::loncorrectproblemplot();
+use Apache::lonproblemstatistics();
+use Apache::lonstudentassessment();
+use Apache::lonpercentage;
+use Apache::lonstudentsubmissions();
+use Apache::lonsurveyreports();
+use Apache::longradinganalysis();
+use LONCAPA;
-sub LoadClassFile {
- my $file="/home/minaeibi/class.txt";
- open(FILEID, "<$file");
- my $line;
- %Grade=();
- while ($line=
'.$LS[$n]);}
- for(my $n=0;$n<$cm;$n++){$r->print('
'.$LM[$n]);}
- for(my $n=0;$n<$cf;$n++){$r->print('
'.$LF[$n]);}
-}
-
-
-sub ProcAct {
- # return;
- my ($Act,$Submit)=@_;
- my @Act=split(/\@/,$Act);
- @Act = sort(@Act);
-
- ##$r->print('
'.$#Act);
- ##for(my $n=0;$n<=$#Act;$n++){
-## $r->print('
n='.$n.')'.$Act[$n]);
-## }
-
-# my $Beg=$Act[0];
- my $Dif=$Submit-$Act[0];
- $Dif = ($Dif>0) ? ($Dif/3600) : 0;
-
-# $r->print('
Access Number = '.$#Act.'
Submit Time='.$Submit.'
First Access='.$Act[0].'
Last Access='.$Act[$#Act].'
Submit - First = '.$Dif.'');
-
-
-#time spent for solving the problem
-# $r->print('
Def'.($Act[$#Act-1]-$Act[0]));
-
- return $Dif;
-}
-
-
-
-sub LoadActivityLog {
-# my $CacheDB = "/home/minaeibi/act183.log.cache";
- my $CacheDB = "/home/httpd/perl/tmp/act183.log.cache";
-
- if (-e "$CacheDB") {
- if (tie(%Activity,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
- return;
- }
- else {
- $r->print("Unable to tie log Cache hash to db file");
+ #
+ # Put the consolidated section data in the right place
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @Sections = ($env{'request.course.sec'});
+ } else {
+ @Sections = sort {
+ if ($a == $a && $b == $b ) { return $a <=> $b; }
+ return $a cmp $b;
+ } keys(%Sections);
+
+ unshift(@Sections,'all'); # Put 'all' at the front of the list
+ }
+ # Sort the groups
+ @Groups = sort {$a cmp $b} keys(%{$studentgroups});
+ unshift(@Groups,'all'); # Put 'all' at the front of the list
+
+ #
+ # Sort the Students
+ my $sortby = 'fullname';
+ $sortby = $env{'form.sort'} if (exists($env{'form.sort'}));
+ my @TmpStudents = sort { lc($a->{$sortby}) cmp lc($b->{$sortby}) ||
+ lc($a->{'fullname'}) cmp lc($b->{'fullname'}) ||
+ lc($a->{'username'}) cmp lc($b->{'username'}) } @Students;
+ @Students = @TmpStudents;
+ #
+ # Now deal with that current student thing....
+ $curr_student = undef;
+ if (exists($env{'form.SelectedStudent'})) {
+ my ($current_uname,$current_dom) =
+ split(':',$env{'form.SelectedStudent'});
+ my $i;
+ for ($i = 0; $i<=$#Students; $i++) {
+ next if (($Students[$i]->{'username'} ne $current_uname) ||
+ ($Students[$i]->{'domain'} ne $current_dom));
+ $curr_student = $Students[$i];
+ last; # If we get here, we have our student.
+ }
+ if (defined($curr_student)) {
+ if ($i == 0) {
+ $prev_student = undef;
+ } else {
+ $prev_student = $Students[$i-1];
+ }
+ if ($i == $#Students) {
+ $next_student = undef;
+ } else {
+ $next_student = $Students[$i+1];
+ }
}
}
- else {
- if (tie(%Activity,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
- foreach (keys %Activity) {delete $Activity{$_};}
- &Build_log();
- }
- else {
- $r->print("Unable to tie log Build hash to db file");
+ #
+ if (exists($env{'form.StudentData'})) {
+ @SelectedStudentData =
+ &Apache::loncommon::get_env_multiple('form.StudentData');
+ } else {
+ @SelectedStudentData = ('username');
+ }
+ foreach (@SelectedStudentData) {
+ if ($_ eq 'all') {
+ @SelectedStudentData = ('all');
+ last;
}
}
+ #
+ return;
}
-sub Build_log {
- my $file="/home/minaeibi/act183.log";
- open(FILEID, "<$file");
- my $line;
- my $count=0;
- while ($line=
'.$time.':'.$who.'---'.$res);
- &Update_PrgInit($count);
-
- }
- }
- }
-
-# my $c=1;
-# foreach (sort keys %Activity) {
-# $r->print('
'.$c.')'.$_.' ... '.$Activity{$_});
-# $c++;
-# }
-}
-
-sub Activity {
-# $rid=~/(\d+)\.(\d+)/;
-# my $MapId=$1;
-# my $PrbId=$2;
-# my $MapOrg = $hash{'map_id_'.$MapId};
-# my $Map = &Apache::lonnet::declutter($MapOrg);
-# my $URI = $hash{'src_'.$rid};
-# my $Symb = $Map.'___'.$PrbId.'___'.&Apache::lonnet::declutter($URI);
- my $file="/home/minaeibi/activity.log";
- my $userid='adamsde1';
- $r->print("
Using $file");
- $r->rflush();
- open(FILEID, "<$file");
- my $line;
- my @allaccess;
- my $Count=0;
- while ($line=
$Count) ".localtime($date).": $who --> $res");
-# if ($post) {
-# $Count++;
-# $r->print("
$Count) Sent data ".join(':',
-# &Apache::lonnet::unescape(@posts)).'');
-# }
- $r->rflush();
- }
- #push (@allaccess,unescape($access));
- #print $machine;
- }
- }
-# @allaccess=sort(@allaccess);
-# $Count=0;
-# foreach my $access (@allaccess) {
-# my ($date,$resource,$who,$domain,$post,@posts)=split(':',$access);
-# $Count++;
-# $r->print("
$Count) $date: $who --> $resource");
-# $r->rflush();
-# if ($post) {
-# $r->print("
Sent data ".join(':',unescape(@posts)).'');
-# }
-# }
+sub get_selected_sections {
+ my @selected_sections =
+ &Apache::loncommon::get_env_multiple('form.Section');
+ @selected_sections = ('all') if (! @selected_sections);
+ foreach (@selected_sections) {
+ if ($_ eq 'all') {
+ @selected_sections = ('all');
+ }
+ }
+ #
+ # Deal with instructors with restricted section access
+ if ($env{'request.course.sec'} !~ /^\s*$/) {
+ @selected_sections = ($env{'request.course.sec'});
+ }
+ return @selected_sections;
}
-sub InitAnalysis {
- my ($uri,$part,$problem,$student,$courseID)=@_;
- my ($uname,$udom)=split(/\:/,$student);
-
-
- # Render the student's view of the problem. $Answ is the problem
- # Stringafied
- my $Answ=&Apache::lonnet::ssi($uri,('grade_target' => 'analyze',
- 'grade_username' => $uname,
- 'grade_domain' => $udom,
- 'grade_courseid' => $courseID,
- 'grade_symb' => $problem));
-# my $Answ=&Apache::lonnet::ssi($URI,('grade_target' => 'analyze'));
-
-# (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2);
- %Answer=();
- %Answer=&Apache::lonnet::str2hash($Answ);
-
- my $parts='';
- foreach my $elm (@{$Answer{"parts"}}) {
- $parts.="$elm,";
- }
- chop($parts);
- my $conc='';
- foreach my $elm (@{$Answer{"$parts.concepts"}}) {
- $conc.="$elm@";
- }
- chop($conc);
-
- @Concepts=split(/\@/,$conc);
- foreach my $concept (@{$Answer{"$parts.concepts"}}) {
- foreach my $foil (@{$Answer{"$parts.concept.$concept"}}) {
- $foil_to_concept{$foil} = $concept;
- #$ConceptData{$foil} = $Answer{"$parts.foil.value.$foil"};
- }
+sub get_selected_groups {
+ my @selected_groups =
+ &Apache::loncommon::get_env_multiple('form.Group');
+ @selected_groups = ('all') if (! @selected_groups);
+ foreach my $grp (@selected_groups) {
+ if ($grp eq 'all') {
+ @selected_groups = ('all');
+ last;
+ }
}
-
- return;
+ return @selected_groups;
}
+
-sub Interval {
- my ($part,$symb)=@_;
- my $Int=$ConceptData{"Interval"};
- my $due = &Apache::lonnet::EXT('resource.$part.duedate',$symb)+1;
- my $opn = &Apache::lonnet::EXT('resource.$part.opendate',$symb);
- my $add=int(($due-$opn)/$Int);
- $ConceptData{"Int.0"}=$opn;
- for (my $i=1;$i<$Int;$i++) {
- $ConceptData{"Int.$i"}=$opn+$i*$add;
- }
- $ConceptData{"Int.$Int"}=$due;
- for (my $i=0;$i<$Int;$i++) {
- for (my $n=0; $n<=$#Concepts; $n++ ) {
- my $tmp=$Concepts[$n];
- $ConceptData{"$tmp.$i.true"}=0;
- $ConceptData{"$tmp.$i.false"}=0;
- }
+sub section_and_enrollment_description {
+ my ($mode) = @_;
+ if (! defined($mode)) { $mode = 'localized'; }
+ my @sections = &Apache::lonstatistics::get_selected_sections();
+ my @groups = &Apache::lonstatistics::get_selected_groups();
+ my $description;
+ if ($mode eq 'localized') {
+ $description = &mt('Unable to determine section, groups and access status');
+ } elsif ($mode eq 'plaintext') {
+ $description = 'Unable to determine section, groups and access status';
+ } else {
+ $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description';
+ &Apache::lonnet::logthis($description);
}
+ $description = §ion_or_group_text($mode,'section',@sections).
+ ' '.§ion_or_group_text($mode,'group',@groups);
+ if ($mode eq 'localized') {
+ $description .= ' '.&mt($env{'form.Status'}.' access status.');
+ } elsif ($mode eq 'plaintext') {
+ $description .= ' '.$env{'form.Status'}.' access status.';
+ }
+ return $description;
}
-sub ShowOpGraph {
- my ($cache, $students, $courseID)=@_;
- my $uri = $cache->{'AnalyzeURI'};
- my $part = $cache->{'AnalyzePart'};
- my $problem = $cache->{'AnalyzeProblem'};
- my $title = $cache->{'AnalyzeTitle'};
- my $interval = $cache->{'Interval'};
- $ConceptData{"Interval"} = $interval;
- #Initialize the option response true answers
- &InitAnalysis($uri, $part, $problem, $students->[0],$courseID);
- #compute the intervals
- &Interval($part,$problem);
+sub section_or_group_text {
+ my ($mode,$type,@items) = @_;
+ my $text;
+ my %phrases = ();
+ %{$phrases{'section'}} = (
+ single => 'Section',
+ all => 'All sections',
+ plural => 'Sections',
+ );
+ %{$phrases{'group'}} = (
+ single => 'Group',
+ all => 'All groups',
+ plural => 'Groups',
+ );
+ if (scalar(@items) == 1 && $items[0] ne 'all') {
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{single}.' [_1].',$items[0]);
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{single}.' '.$items[0].'.';
- $title =~ s/\ /"_"/eg;
- $r->print('
'.$uri.'');
- $r->rflush();
-
- #Java script Progress window
- &Create_PrgWin();
- &Update_PrgWin("Starting-to-analyze-problem");
- for (my $index=0;$index<(scalar @$students);$index++) {
- &Update_PrgWin($index);
- &OpStatus($problem,$students->[$index],$courseID);
- }
- &Close_PrgWin();
-
- $r->print('
');
- for (my $k=0; $k<$interval; $k++ ) {
- &DrawGraph($k,$title);
- }
- for (my $k=0; $k<$interval; $k++ ) {
- &DrawTable($k);
- }
-#$Apache::lonxml::debug=1;
-#&Apache::lonhomework::showhash(%ConceptData);
-#$Apache::lonxml::debug=0;
- my $Answ=&Apache::lonnet::ssi($uri);
- $r->print("
Here you can see the Problem:
$Answ");
+ }
+ } elsif (scalar(@items) && $items[0] eq 'all') {
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{all}.'.');
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{all}.'.';
+ }
+ } elsif (scalar(@items)) {
+ my $lastitem = pop(@items);
+ if ($mode eq 'localized') {
+ $text = &mt($phrases{$type}{plural}.' [_1] and [_2].',
+ join(', ',@items),$lastitem);
+ } elsif ($mode eq 'plaintext') {
+ $text = $phrases{$type}{plural}.' '.join(', ',@items).' and '.
+ $lastitem.'.';
+ }
+ }
+ return $text;
}
-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]);
- }
+sub get_students {
+ if (! @Students) {
+ &PrepareClasslist()
}
- my $P_No = $#data1+1;
-# $r->print('
From: ['.localtime($ConceptData{'Int.'.($k-1)}).
-# '] To: ['.localtime($ConceptData{"Int.$k"}).']');
- my $Str = "\n".''.
- "\n".'
';
-
- $r->print($Str);
-#$Apache::lonxml::debug=1;
-#&Apache::lonhomework::showhash(%ConceptData);
-#$Apache::lonxml::debug=0;
+ return @Students;
}
-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(''.
- "\n".' ';
-
- for (my $n=0; $n<=$#Concepts; $n++ ) {
- $Str .= "\n"." # '.
- "\n".' Concept '.
- "\n".' Correct '.
- "\n".' Wrong '.
- "\n".'".
- "\n"." ";
- }
- $Str.='".($n+1)." ".
- "\n".' '.$Concepts[$n]." ".
- "\n".' '.$data1[$n]." ".
- "\n".' '.$data2[$n]." ".
- "\n"."From:['.localtime($ConceptData{'Int.'.$k}).
- '] To: ['.localtime($ConceptData{'Int.'.($k+1)}-1).
- "] $Correct $Wrong ";
-
- $Str .= "\n".'');
+sub current_student {
+ return $curr_student;
}
-sub Decide {
- #deciding the true or false answer belongs to each interval
- my ($type,$foil,$time)=@_;
- my $k=0;
- while ($time>$ConceptData{'Int.'.($k+1)} &&
- $k<$ConceptData{'Interval'}) {$k++;}
- $ConceptData{"$foil_to_concept{$foil}.$k.$type"}++;
-}
-#restore the student submissions and finding the result
-sub OpStatus {
- my ($problem, $student, $courseID)=@_;
- my ($username,$userdomain)=split(/':'/,$student);
- my $code='U';
- my %reshash=&Apache::lonnet::restore($problem, $courseID, $userdomain,
- $username);
- my @True = ();
- my @False = ();
- my $flag=0;
- if ($reshash{'version'}) {
- my $tries=0;
- &Apache::lonhomework::showhash(%Answer);
- for (my $version=1;$version<=$reshash{'version'};$version++) {
- my $time=$reshash{"$version:timestamp"};
-
- foreach my $key (sort(split(/\:/,$reshash{$version.':keys'}))) {
- if (($key=~/\.(\w+)\.(\w+)\.submission$/)) {
- my $Id1 = $1; my $Id2 = $2;
- #check if this is a repeat submission, if so skip it
- if ($reshash{"$version:resource.$Id1.previous"}) { next; }
- #if no solved this wasn't a real submission, ignore it
- if (!defined($reshash{"$version:resource.$Id1.solved"})) {
- &Apache::lonxml::debug("skipping ");
- next;
- }
- my $Resp = $reshash{"$version:$key"};
- my %submission=&Apache::lonnet::str2hash($Resp);
- foreach (keys %submission) {
- my $Ansr = $Answer{"$Id1.$Id2.foil.value.$_"};
- if ($submission{$_}) {
- if ($submission{$_} eq $Ansr) {
- &Decide("true",$_,$time );
- }
- else {&Decide("false",$_,$time );}
- }
- }
- }
- }
- }
- }
+sub previous_student {
+ return $prev_student;
}
-#---- END Analyze Web Page ----------------------------------------------
-
-#---- Problem Statistics Web Page ---------------------------------------
-
-#------- Processing upperlist and lowerlist according to each problem
-sub ProcessDiscriminant {
- my ($List) = @_;
- my @sortedList = sort (@$List);
- my $Count = scalar @sortedList;
- my $Problem;
- my @Dis;
- my $Slvd=0;
- my $tmp;
- my $Sum1=0;
- my $Sum2=0;
- my $nIndex=0;
- my $nStudent=0;
- my %Proc=undef;
- while ($nIndex<$Count) {
- ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
- @Dis=split(/\+/,$tmp);
- my $Temp = $Problem;
- do {
- $nIndex++;
- $nStudent++;
- $Sum1 += $Dis[0];
- $Sum2 += $Dis[1];
- ($Problem,$tmp)=split(/\=/,$sortedList[$nIndex]);
- @Dis=split(/\+/,$tmp);
- } while ( $Problem eq $Temp && $nIndex < $Count );
-# $Proc{$Temp}=($Sum1/$nStudent).':'.$nStudent;
- $Proc{$Temp}=($Sum1/$nStudent).':'.($Sum2/$nStudent);
-# $r->print("$nIndex) $Temp --> ($nStudent) $Proc{$Temp}
");
- $Sum1=0;
- $Sum2=0;
- $nStudent=0;
- }
- return %Proc;
+sub next_student {
+ return $next_student;
}
-#------- Creating Discimination factor
-sub Discriminant {
- my ($discriminantFactor)=@_;
- my @discriminantKeys=keys(%$discriminantFactor);
- my $Count = scalar @discriminantKeys;
-
- my $UpCnt = int(0.27*$Count);
- my $low=0;
- my $up=$Count-$UpCnt;
- my @UpList=();
- my @LowList=();
-
- $Count=0;
- foreach my $key (sort(@discriminantKeys)) {
- $Count++;
- if($low < $UpCnt || $Count > $up) {
- $low++;
- my $str=$discriminantFactor->{$key};
- foreach(split(/\:/,$str)){
- if($_) {
- if($low<$UpCnt) { push(@LowList,$_); }
- else { push(@UpList,$_); }
- }
+sub StudentDataSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '\n";
+ return $Str;
}
-
-sub NumericSort {
- $a <=> $b;
-}
-sub CreateProblemStatisticsTableHeading {
- my ($displayFormat,$sequenceSource,$sequenceTitle,$headings)=@_;
- if($displayFormat eq 'Display CSV Format') {
- $r->print('
"'.$sequenceTitle.'","');
- $r->print($sequenceSource.'"');
- return;
- }
-
- $r->print('
'.$sequenceTitle.'');
-
- my $Result = "\n".'
'."\n");
- $r->rflush();
-}
-
-# ------ Dump the Student's DB file and handling the data for statistics table
-sub ExtractStudentData {
- my ($cache,$name,$list)=@_;
- my %discriminantFactor;
-
- my $totalTries = 0;
- my $totalAwarded = 0;
- my $tempProblemOrder=0;
- my $spent=0;
- my $spent_yes=0;
- my $TotDiscuss=0;
- my $TotalOpend = 0;
- my $ProbSolved = 0;
- my $ProbTot = 0;
- my $TotFirst = 0;
- my $TimeTot = 0;
- my $Discussed=0;
-
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
- $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- my $Dis = '';
- foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
- my $problem = $cache->{$problemID.':problem'};
- my $LatestVersion = $cache->{$name.':version:'.$problem};
-
- # Output dashes for all the parts of this problem if there
- # is no version information about the current problem.
- #if(!$LatestVersion) {
- # foreach my $part (split(/\:/,$cache->{$sequence.':'.
- # $problemID.
- # ':parts'})) {
- # $codes .= "-,";
- # $attempts .= "0,";
- # }
- # next;
- #}
-
- my %partData=undef;
- # Initialize part data, display skips correctly
- # Skip refers to when a student made no submissions on that
- # part/problem.
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $partData{$part.':tries'}=0;
- $partData{$part.':code'}='-';
- }
- # Looping through all the versions of each part, starting with the
- # oldest version. Basically, it gets the most recent
- # set of grade data for each part.
- for(my $Version=1; $Version<=$LatestVersion; $Version++) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
-
- if(!defined($cache->{$name.":$Version:$problem".
- ":resource.$part.solved"})) {
- # No grade for this submission, so skip
- next;
- }
-
- my $tries=0;
- my $time=0;
- my $awarded=0;
- $Discussed=0;
- my $code='U';
-
- $awarded = $cache->{$name.
- "$Version:$problem:resource.".
- "$part.awarded"};
- $partData{$part.':awarded'} = ($awarded) ? $awarded : 0;
- $totalAwarded += $awarded;
-
- $tries = $cache->{$name.":$Version:$problem".
- ":resource.$part.tries"};
- $partData{$part.':tries'} = ($tries) ? $tries : 0;
- $partData{$part.':wrong'} = $partData{$part.':tries'};
- $totalTries += $tries;
-
- my $val = $cache->{$name.":$Version:$problem".
- ":resource.$part.solved"};
- if ($val eq 'correct_by_student') {$code = 'C';}
- elsif ($val eq 'correct_by_override') {$code = 'O';}
- elsif ($val eq 'incorrect_attempted') {$code = 'I';}
- elsif ($val eq 'incorrect_by_override'){$code = 'I';}
- elsif ($val eq 'excused') {$code = 'x';}
- $partData{$part.':code'}=$code;
-
- if($partData{$part.':wrong'} ne 0 &&
- ($code eq 'C' || $code eq 'O')) {
- $partData{$part.':wrong'}--;
- }
- }
- }
-
- # Loop through all the parts for the current problem in the
- # correct order and prepare the output
- foreach (split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- my $Yes = 0;
- if($partData{$_.':code'} eq 'C' ||
- $partData{$_.':code'} eq 'O') {
- $Yes=1;
- }
- #my $ptr = "$hash{'title_'.$ResId}";
- my $ptr = $tempProblemOrder.'&'.$problemID;
-
- if($_ > 1) {
- $ptr .= "*(part $_)";
- $Dis .= '&';
- }
-
- my ($pr_no,$dod)=split('&',$ptr);
- my $DoDiff=$DoDiff{$dod};
-# $r->print(' '."\n";
- $r->print($Result);
- $r->rflush();
+ return @selected_maps;
}
-sub CloseTable {
- my ($cache)=@_;
- if($cache->{'DisplayFormat'} eq 'Display CSV Format') {
- return;
- }
- $r->print("\n".'P# '."\n";
- for(my $nIndex=0; $nIndex < (scalar (keys %$headings)); $nIndex++) {
- $Result .= ''.''.' '."\n";
+sub get_selected_maps {
+ my ($elementname) = @_;
+ my @selected_maps =
+ &Apache::loncommon::get_env_multiple('form.'.$elementname);
+ @selected_maps = ('all') if (! @selected_maps);
+ foreach my $map (@selected_maps) {
+ if ($map eq 'all') {
+ @selected_maps = ('all');
+ last;
+ }
}
- $Result .= "\n".'
'.$name.'---'.$ptr.'==='.$DoDiff);
-
- my $Fac = ($partData{$_.':Tries'}) ?
- ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0;
- my $DisF;
- if($Fac > 0 && $Fac < 1) {
- $DisF = sprintf( "%.4f", $Fac );
- } else {
- $DisF = $Fac;
- }
-
- if ($Discuss{"$name:$problem"}) {
- $TotDiscuss++;
- $Discussed=1;
- }
- my $time = $cache->{"$name:$LatestVersion:$problem:timestamp"};
- $Dis .= $tempProblemOrder.'='.$DisF.'+'.$Yes;
- $ptr .= '&'.$partData{$_.'.Tries'}.
- '&'.$partData{$_.'.Wrongs'}.
- '&'.$partData{$_.'.Code'};
- push (@$list, $ptr."&$Discussed");
-
-#### if ($DoDiff>0.85) {
-
- $TimeTot += $time;
+sub selected_sequences_with_assessments {
+ my ($mode) = @_;
+ $mode = 'selected' if (! defined($mode));
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (!defined($navmap)) {
+ return ('Can not open Coursemap');
+ }
+ #
+ my @sequences = $navmap->retrieveResources(undef,
+ sub { shift->is_map(); },1,0,1);
+ my $toplevelseq = $navmap->getById('0.0');
+ if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
+ unshift(@sequences,$toplevelseq);
+ }
- if ($Yes==1 && $partData{$_.'.Tries'}==1) {
- $TotFirst++;
+ my @sequences_with_assessments;
+ foreach my $sequence (@sequences) {
+ if ($navmap->hasResource($sequence,sub { shift->is_problem(); },0,1)){
+ push(@sequences_with_assessments,$sequence);
+ }
+ }
+ #
+ my @sequences_to_show;
+ foreach my $sequence (@sequences_with_assessments) {
+ if ($mode eq 'all') {
+ push (@sequences_to_show,$sequence);
+ } elsif ($mode eq 'selected') {
+ foreach my $map_symb (&get_selected_maps('Maps')) {
+ if ($sequence->symb eq $map_symb || $map_symb eq 'all'){
+ push (@sequences_to_show,$sequence);
+ last; # Only put it in once
}
- my $Acts= $Activity{$name.':'.$problem};
- if ($Acts) {
- my $Pt=&ProcAct( $Acts, $time );
- #my ($spe,$beg) = split(/\+/,$Pt);
- my $spe= $Pt;
- if ($Yes==1) {$spent_yes += $spe;}
- $spent += $spe;
- #$Beg += $beg;
-# $r->print('
'.$name.'---'.$problem.'---'.$spe);
- }
- $TotalOpend++;
- $ProbTot++;
-
- $tempProblemOrder++;
}
}
- my $pstr;
- if($totalTries) {
- my $DisFac = ($totalAwarded/$totalTries);
- my $DisFactor = sprintf( "%.4f", $DisFac );
- my $TS = sprintf( "%.2f", $spent );
- my $TS_yes = sprintf( "%.2f", $spent_yes );
- # $DiscFac{$DisFactor}=$Dis;
- $pstr=$DisFactor.':'.$name.':'.$ProbTot.':'.$TotalOpend.':'.
- $totalTries.':'.$ProbSolved.':'.$TotFirst.':'.
- $TS_yes.':'.$TS.':'.$TotDiscuss;
- $discriminantFactor{$pstr}=$Dis;
- }
- }
- return (\%discriminantFactor);
-}
-
-
-=pod
-sub MySort {
- if ( $Pos > 0 ) {
- if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;}
- else { $a <=> $b; }
- }
- else {
- if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;}
- else { $a cmp $b; }
}
+ return $navmap,@sequences_to_show;
}
-=cut
-sub BuildStatisticsTable {
- my ($cache,$discriminantFactor,$list,$headings,$students)=@_;
-#6666666
-# my $file="/home/httpd/perl/tmp/183d.txt";
-# open(OUT, ">$file");
-#6666666
- &Create_PrgWin();
-##777777
-## &LoadActivityLog();
-## $r->print('');
-## &LoadDoDiffFile();
- &LoadDiscussion();
-
- my $p_count = 0;
- my $nIndex = 0;
- my $dummy;
- my $p_val;
- my $ResId;
- my $NoElements = scalar @$list;
-
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
- if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
- $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
- next;
- }
-
- &CreateProblemStatisticsTableHeading($cache->{'DisplayFormat'},
- $cache->{$sequence.':source'},
- $cache->{$sequence.':title'},
- $headings);
-
-##777777
-## &Classify($discriminantFactor, $students);
-
-
- my ($Hid,$pr)=split(/\:/,$mapsort{$_});
- my @lpr=split(/\&/,$pr);
- for (my $i=1; $i<=$#lpr; $i++) {
- my %storestats=();
- my ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
- my $Temp = $Prob;
- my $MxTries = 0;
- my $TotalTries = 0;
- my $YES = 0;
- my $Incorrect = 0;
- my $Override = 0;
- my $StdNo = 0;
- my $DiscNo=0;
- my @StdLst;
- while ( $PrOrd == $lpr[$i] )
- {
- $nIndex++;
- $StdNo++;
- $StdLst[ $StdNo ] = $Tries;
- $TotalTries += $Tries;
- if ( $MxTries < $Tries ) { $MxTries = $Tries; }
- if ( $Code eq 'C' ){ $YES++; }
- elsif( $Code eq 'I' ) { $Incorrect++; }
- elsif( $Code eq 'O' ) { $Override++; }
- elsif( $Code eq 'U' ) { $StdNo--; }
- ($PrOrd,$Prob,$Tries,$Wrongs,$Code,$Disc)=split(/\&/,$list->[$nIndex]);
- }
-
- $p_count++;
- my $Dummy;
- ($ResId,$Dummy)=split(/\*/,$Temp);
-
- $Temp = ''.$hash{'title_'.$ResId}.$Dummy.'';
-
- my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId});
- my $urlres=$res;
-
- $ResId=~/(\d+)\.(\d+)/;
- my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} );
- $urlres=$Map;
-
- $res = ''.$res.'';
- #$Map = ''.$res.'';
-
-#------------------------ Compute the Average of Tries about one problem
- my $Average = ($StdNo) ? $TotalTries/$StdNo : 0;
-
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time;
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo;
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average;
-
-#-------------------------------- Compute percentage of Wrong tries
- my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0;
-
-#-------------------------------- Compute Standard Deviation
- my $StdDev = 0;
- if ( $StdNo > 1 ) {
- for ( my $n = 0; $n < $StdNo; $n++ ) {
- my $Dif = $StdLst[ $n ]-$Average;
- $StdDev += $Dif*$Dif;
- }
- $StdDev /= ( $StdNo - 1 );
- $StdDev = sqrt( $StdDev );
- }
-
-#-------------------------------- Compute Degree of Difficulty
- my $DoDiff = 0;
- if( $TotalTries > 0 ) {
- $DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries );
-# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1);
- }
-
- $storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff;
-
-#-------------------------------- Compute the Skewness
- my $Skewness = 0;
- my $Sum = 0;
- if ( $StdNo > 0 && $StdDev > 0 ) {
- for ( my $n = 0; $n < $StdNo; $n++ ) {
- my $Dif = $StdLst[ $n ]-$Average;
- $Skewness += $Dif*$Dif*$Dif;
- }
- $Skewness /= $StdNo;
- $Skewness /= $StdDev*$StdDev*$StdDev;
- }
-
-#--------------------- Compute the Discrimination Factors
- my ($Up1,$Up2)=split(/\:/,':');#jason$DisUp->{$lpr[$i]});
- my ($Lw1,$Lw2)=split(/\:/,':');#jason$DisLow->{$lpr[$i]});
- my $Dis1 = $Up1 - $Lw1;
- my $Dis2 = $Up2 - $Lw2;
- my $_D1 = sprintf("%.2f", $Dis1);
- my $_D2 = sprintf("%.2f", $Dis2);
-
-#----------------- Some restition in presenting the float numbers
- my $Avg = sprintf( "%.2f", $Average );
- my $Wrng = sprintf( "%.1f", $Wrong );
- my $SD = sprintf( "%.1f", $StdDev );
- my $DoD = sprintf( "%.2f", $DoDiff );
- my $Sk = sprintf( "%.1f", $Skewness );
- my $join = $lpr[$i].'&'.$Temp.'&'.$StdNo.'&'.
- $TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
- $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
- $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.
- $DiscNo.'&'.$Prob;
- $CachData{($p_count-1)}=$join;
-
-#6666666
-# $r->print('
'.$out.'&'.$DoD);
-# print (OUT $out.'@'.$DoD.'&');
-#6666666
-
- $urlres=~/^(\w+)\/(\w+)/;
- if ($StdNo) {
- &Apache::lonnet::put('resevaldata',\%storestats,$1,$2);
- }
-#-------------------------------- Row of statistical table
- &TableRow($cache,$join,$i,($p_count-1));
- }
- &CloseTable($cache);
+sub map_select {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
}
- &Close_PrgWin();
-#666666
-# close( OUT );
-#666666
-}
-
-=pod
-sub Cache_Statistics {
- my ($cache)=@_;
- my @list = ();
- my $Useful;
- my $UnUseful;
-# $r->print(''."\n");
- my %myHeader = reverse( %Header );
- $Pos = $myHeader{$ENV{'form.sort'}};
- if ($Pos > 0) {$Pos++;}
- my $p_count = 0;
- foreach my $key( keys %CachData) {
- my @Temp=split(/\&/,$CachData{$key});
- if ( $Pos == 0 ) {
- ($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);
- }
- else {
- $Useful = $Temp[$Pos];
- }
- $list[$p_count]=$Useful.'@'.$CachData{$key};
- $p_count++;
- }
-
- @list = sort MySort (@list);
-
- my $nIndex=0;
-
- if ( $Pos == 0 ) {
- foreach (sort keys %mapsort) {
- my ($Hid,$pr)=split(/\:/,$mapsort{$_});
- &CreateProblemStatisticsTableHeading($cache,1,$Hid);
- my @lpr=split(/\&/,$pr);
- for (my $i=1; $i<=$#lpr; $i++) {
- my($Pre, $Post) = split(/\@/,$list[$nIndex]);
- #$r->print('
'.$Pre.'---'.$Post);
- &TableRow($cache,$Post,$i,$nIndex);
- $nIndex++;
- }
- &CloseTable($cache);
- }
+ #
+ # Set up array of selected items
+ my @selected_maps = &get_selected_maps($elementname);
+ #
+ # Build the form element
+ my $form = "\n";
+ $form .= '\n";
+ return $form;
}
-=cut
-
-sub TableRow {
- my ($Str,$Idx,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override,
- $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$DiscNo,$Prob)=split(/\&/,$Str);
- if ($ENV{'form.showcsv'}) {
- my ($ResId,$Dummy)=split(/\*/,$Prob);
- my $Ptr = "\n".'
'.
- "\n".'"'.($RealIdx+1).'",'.
- "\n".'"'.$hash{'title_'.$ResId}.$Dummy.'",'.
- "\n".'"'.$hash{'src_'.$ResId}.'",'.
- "\n".'"'.$StdNo.'",'.
- "\n".'"'.$TotalTries.'",'.
- "\n".'"'.$MxTries.'",'.
- "\n".'"'.$Avg.'",'.
- "\n".'"'.$YES.'",'.
- "\n".'"'.$Override.'",'.
- "\n".'"'.$Wrng.'",'.
- "\n".'"'.$DoD.'",'.
- "\n".'"'.$SD.'",'.
- "\n".'"'.$Sk.'",'.
- "\n".'"'.$_D1.'",'.
- "\n".'"'.$_D2.'"'.
- "\n".'"'.$DiscNo.'"';
-
- $r->print("\n".$Ptr);
- }
- else{
- my $Ptr = "\n".''.
- "\n".' ' );
+sub SectionSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
}
- $GraphDat{$RealIdx}=$DoD.':'.$Wrng;
-}
-sub StatusOptions {
- my ($cache)=@_;
-
- my $Status = $cache->{'Status'};
- my $OpSel1 = '';
- my $OpSel2 = '';
- my $OpSel3 = '';
-
- if($Status eq 'Any') { $OpSel3 = ' selected'; }
- elsif($Status eq 'Expired' ) { $OpSel2 = ' selected'; }
- else { $OpSel1 = ' selected'; }
-
- my $Ptr = '';
- $Ptr .= ''.($RealIdx+1).' '.
- # "\n".''.$PrOrd.$Temp.' '.
- "\n".''.$Temp.' '.
- "\n".' '.$StdNo.' '.
- "\n".''.$TotalTries.' '.
- "\n".''.$MxTries.' '.
- "\n".''.$Avg.' '.
- "\n".' '.$YES.' '.
- "\n".' '.$Override.' '.
- "\n".' '.$Wrng.' '.
- "\n".' '.$DoD.' '.
- "\n".' '.$SD.' '.
- "\n".' '.$Sk.' '.
- "\n".' '.$_D1.' '.
- "\n".' '.$_D2.' '.
- "\n".' '.$DiscNo.' ';
- $r->print("\n".$Ptr.' '."\n";
-
- return $Ptr;
-}
-
-sub AscendOrderOptions {
- my ($cache)=@_;
-
- my $order = $cache->{'Ascend'};
- my $OpSel1 = '';
- my $OpSel2 = '';
-
- if($order eq 'Ascending') {
- $OpSel1 = ' selected';
- } else {
- $OpSel2 = ' selected';
+ #
+ # Make sure we have the data we need to continue
+ if (! @Sections) {
+ &PrepareClasslist()
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '\n";
+ return $Str;
}
-sub ProblemStatisticsButtons {
- my ($cache)=@_;
- my $Ptr = 'Student Status: '."\n";
- $Ptr .= ' ';
-
- return $Ptr;
-}
-
-sub ProblemStatisticsLegend {
- my $Ptr = '';
- $Ptr = '';
- $Ptr .= '{'DisplayFormat'} eq 'Display CSV Format') {
- $Ptr .= 'value="Display CSV Format" />'."\n";
- } else {
- $Ptr .= 'value="Display Table Format" />'."\n";
+sub GroupSelect {
+ my ($elementname,$status,$numvisible)=@_;
+ if ($numvisible < 1) {
+ return;
}
- $Ptr .= ' ';
- $Ptr .= '
';
-
- return $Ptr;
+ #
+ # Make sure we have the data we need to continue
+ if (! @Groups) {
+ &PrepareClasslist();
+ }
+ #
+ # Build the form element
+ my $Str = "\n";
+ $Str .= '\n";
}
-#---- END Problem Statistics Web Page ----------------------------------------
-
-#---- Problem Statistics Graph Web Page --------------------------------------
-# ------------------------------------------- Prepare data for Graphical chart
-sub GetGraphData {
- my $ylab = shift;
- my $Col;
- my $data='';
- my $count = 0;
- my $Max = 0;
- my $cid=$ENV{'request.course.id'};
- my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_graph.db";
- foreach (keys %GraphDat) {delete $GraphDat{$_};}
- if (-e "$GraphDB") {
- if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) {
- if ( $ylab eq 'DoDiff Graph' ) {
- $ylab = 'Degree-of-Difficulty';
- $Col = 0;
- }
- else {
- $ylab = 'Wrong-Percentage';
- $Col = 1;
- }
- foreach (sort NumericSort keys %GraphDat) {
- my @Temp=split(/\:/,$GraphDat{$_});
- my $inf = $Temp[$Col];
- if ( $Max < $inf ) {$Max = $inf;}
- $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.'&'.'Problems'.'&'.$ylab.'&'.$Max.'&'.$count.'&'.$data;
- }
- else {
- $r->print("Unable to tie hash to db file");
- }
- }
-}
-#---- Problem Analysis Web Page ----------------------------------------------
-
-sub IntervalOptions {
- my ($cache)=@_;
- my $interval = 1;
- for(my $n=1; $n<=7; $n++) {
- if($cache->{'Interval'} == $n) {
- $interval = $n;
+sub DisplayClasslist {
+ my ($r)=@_;
+ &Apache::lonhtmlcommon::add_breadcrumb
+ ({text=>'Select One Student'});
+ #
+ # Output some of the standard interface components
+ my $Str;
+ $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student');
+ $Str .= '';
- $Ptr .= '#Stdnts: ';
- $Ptr .= 'Total Number of Students opened the problem.';
- $Ptr .= ' ';
- $Ptr .= 'Tries: ';
- $Ptr .= 'Total Number of Tries for solving the problem.';
- $Ptr .= ' ';
- $Ptr .= 'Mod: ';
- $Ptr .= 'Maximunm Number of Tries for solving the problem.';
- $Ptr .= ' ';
- $Ptr .= 'Mean: ';
- $Ptr .= 'Average Number of the tries. [ Tries / #Stdnts ]';
- $Ptr .= ' ';
- $Ptr .= '#YES: ';
- $Ptr .= 'Number of students solved the problem correctly.';
- $Ptr .= ' ';
- $Ptr .= '#yes: ';
- $Ptr .= 'Number of students solved the problem by override.';
- $Ptr .= ' ';
- $Ptr .= '%Wrng: ';
- $Ptr .= 'Percentage of students tried to solve the problem ';
- $Ptr .= 'but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]';
- $Ptr .= ' ';
-# Kashy formula
-# ' DoDiff : Degree of Difficulty of the problem. ';
- $Ptr .= '
'.
-# '[ Tries/(#YES+#yes+0.1) ]
'.
- #Gerd formula
- $Ptr .= 'DoDiff:Degree of Difficulty of the problem. ';
- $Ptr .= '[ 1 - ((#YES+#yes) / Tries) ]';
- $Ptr .= ' ';
- $Ptr .= 'S.D.: ';
- $Ptr .= 'Standard Deviation of the tries. ';
- $Ptr .= '[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) ';
- $Ptr .= 'where Xi denotes every student\'s tries ]';
- $Ptr .= ' ';
- $Ptr .= 'Skew.: ';
- $Ptr .= 'Skewness of the students tries.';
- $Ptr .= '[(sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3)]';
- $Ptr .= ' ';
- $Ptr .= 'Dis.F.: ';
- $Ptr .= 'Discrimination Factor: A Standard for evaluating the ';
- $Ptr .= 'problem according to a Criterion ';
- $Ptr .= '
';
- $Ptr .= '[Applied Criterion in %27 Upper Students - ';
- $Ptr .= 'Applied the same Criterion in %27 Lower Students]
';
- $Ptr .= '1st Criterion for Sorting the Students: ';
- $Ptr .= 'Sum of Partial Credit Awarded / Total Number of Tries
';
- $Ptr .= '2nd Criterion for Sorting the Students: ';
- $Ptr .= 'Total number of Correct Answers / Total Number of Tries';
- $Ptr .= 'Disc. ';
- $Ptr .= 'Number of Students had at least one discussion.';
- $Ptr .= ' '."\n";
+ $Str .= '
';
+ $Str .= ' '.$/;
+ $Str .= ''.&mt('Sections').' ';
+ $Str .= ''.&mt('Groups').' ';
+ $Str .= ''.&mt('Access Status').' ';
+ $Str .= '';
+ $Str .= ' '.$/;
+ $Str .= ''.
+ &Apache::lonstatistics::SectionSelect('Section','multiple',5).
+ ' ';
+ $Str .= ''.
+ &Apache::lonstatistics::GroupSelect('Group','multiple',5).
+ ' ';
+ $Str .= ''.
+ &Apache::lonhtmlcommon::StatusOptions(undef,undef,5).
+ ' ';
+
+ $Str .= '
'. + &mt('There are no currently enrolled students in the course.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= ''. + &mt('There are no previously enrolled students in the course.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= ''. + &mt('There are no students with future access in the course.'). + '
'; + } else { # 'any' and any others + $Str .= ''. + &mt('There are no students in the course.'). + '
'; + } + } else { + if (lc($env{'form.Status'}) eq 'active') { + $Str .= ''. + &mt('There are no currently enrolled students in the selected sections.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= ''. + &mt('There are no previously enrolled students in the selected sections.'). + '
'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= ''. + &mt('There are no students with future access in the selected sections.'). + '
'; + } else { # 'any' and any others + $Str .= ''. + &mt('There are no students in the selected sections.'). + '
'; + } } + $Str.= '' + .'' + .&mt('Return to the chart').'' + .'
'; + $r->print($Str); + $r->rflush(); + return; } - my $Ptr = '\# | Problem Title | "; - $Str .= 'Resource | Analysis |
---|---|---|---|
'.$number.' | '; - $Str .= ''.$Temp.' | '; - $Str .= ''.$uri.' | '; - $Str .= '