version 1.1, 2002/02/04 16:08:26
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version 1.123, 2005/04/07 06:56:23
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
# (Navigate problems for statistical reports |
# YEAR=2001 |
# |
# 5/05/01, 7/09/01, 7/25/01, 8/11/01,9/13/01, 9/26/01 Behrouz Minaei |
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# 10/5/01, 10/9/01, 10/22/01, 10/26/01 Behrouz Minaei |
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# 11/1/01, 11/4/01, 11/16/01 Behrouz Minaei |
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# 12/14/01, 12/16/01, 12/18/01,12/20/01,12/31/01 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22/02,2/1/02 |
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### |
### |
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=pod |
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=head1 NAME |
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lonstatistics |
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=head1 SYNOPSIS |
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Main handler for statistics and chart. |
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=over 4 |
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=cut |
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package Apache::lonstatistics; |
package Apache::lonstatistics; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use vars qw( |
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@FullClasslist |
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@Students |
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@Sections |
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%StudentData |
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@StudentDataOrder |
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@SelectedStudentData |
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$enrollment_status); |
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use Apache::lonnet; |
use Apache::lonhomework; |
use Apache::lonhomework; |
use Apache::loncommon(); |
use Apache::loncommon; |
use HTML::TokeParser; |
use Apache::loncoursedata; |
use GDBM_File; |
use Apache::lonhtmlcommon; |
use Benchmark; |
use Apache::lonmysql; |
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use Apache::lonlocal; |
# -------------------------------------------------------------- Module Globals |
use Time::HiRes; |
my %hash; |
# |
my %CachData; |
# Statistics Packages |
my %GraphDat; |
use Apache::lonproblemanalysis(); |
my %maps; |
use Apache::lonsubmissiontimeanalysis(); |
my %section; |
use Apache::loncorrectproblemplot(); |
my %StuBox; |
use Apache::lonproblemstatistics(); |
my %DiscFac; |
use Apache::lonstudentassessment(); |
my $CurMap; |
use Apache::lonpercentage; |
my $CurSec; |
use Apache::lonstudentsubmissions(); |
my $CurStu; |
use Apache::lonsurveyreports(); |
my @cols; |
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my @list; |
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my @students; |
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my $p_count; |
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my $Pos; |
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my $r; |
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my $OpSel1; |
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my $OpSel2; |
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my $OpSelDis1; |
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my $OpSelDis2; |
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my $CurDis=0; |
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my $OpSel3; |
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my $OpSel4; |
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my $GData; |
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my $cid; |
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my $firstres; |
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my $lastres; |
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my $DiscFlag=0; |
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my %Header = (0,"Problem Title",1,"#Stdnts",2,"Tries",3,"Mod", |
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4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"S.D.", |
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9,"Skew.",10,"DoDiff",11,"Map"); |
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# 9,"Skew.",10,"DoDiff",11,"Dis.F.",12,"Resourse URL"); |
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my %class = (); |
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my @LS; |
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my @LF; |
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sub GetBin { |
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my ($Index1,$Index2,$String,$C)=@_; |
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my @step = 5; |
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my @L=($C eq 'S') ? @LS : @LF; |
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my $Count=$#L+1; |
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$r->print("<br>zone $C ------ $String "); |
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for(my $n=0;$n<$Count;$n++){ |
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my @t=split(/\:/,$L[$n]); |
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$r->print("<br>$t[$Index1] $t[$Index2]"); |
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} |
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} |
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sub GetUniqe { |
####################################################### |
my ($Index,$String,$C)=@_; |
####################################################### |
my @step = 5; |
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my @L=($C eq 'S') ? @LS : @LF; |
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my $Count=$#L+1; |
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my @List=(); |
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for(my $n=0;$n<$Count;$n++){ |
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my @t=split(/\:/,$L[$n]); |
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push(@List,$t[$Index]); |
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#$r->print("<br>$t[$Index]"); |
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} |
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@List = sort NumSort(@List); |
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$r->print("<br>zone $C ------ $String "); |
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my $nIdx=0; |
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my $nPrb=0; |
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my %Proc; |
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undef %Proc; |
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while ( $nIdx < $Count ) { |
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my $Focus=$List[$nIdx]; |
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my $Temp = $Focus; |
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do { |
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$nIdx++; |
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$nPrb++; |
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$Focus=$List[$nIdx]; |
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#$Proc{$name}=$Focus; |
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} while ( $Focus == $Temp && $nIdx < $Count ); |
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$r->print("<br>$Temp --> $nPrb"); |
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$nPrb=0; |
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} |
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return %Proc; |
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} |
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sub GetUniq { |
=pod |
my ($Index,$String)=@_; |
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my @step = 5; |
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my $Count=0; |
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my @List=(); |
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my @temp=(); |
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foreach (keys(%DiscFac)){ |
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$Count++; |
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my @temp1=split(/\:/,$_); |
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@temp=($temp1[$Index],@temp1); |
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push(@List,join(':',@temp)); |
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} |
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@List = sort NumericSort(@List); |
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$r->print("<br><br>zone ($Index) ------ $String ----- / $temp[3]"); |
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my $nIdx=0; |
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my $nPrb=0; |
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my %Proc; |
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undef %Proc; |
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while ( $nIdx < $Count ) { |
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my ($Focus,$Dummy,$name)=split(/\:/,$List[$nIdx]); |
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my $Temp = $Focus; |
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$Proc{$name}=$Focus; |
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do { |
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$nIdx++; |
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$nPrb++; |
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($Focus,$Dummy,$name)=split(/\:/,$List[$nIdx]); |
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$Proc{$name}=$Focus; |
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} while ( $Focus == $Temp && $nIdx < $Count ); |
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$r->print("<br>$Temp --> $nPrb"); |
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$nPrb=0; |
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} |
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return %Proc; |
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} |
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sub NumericSort { |
=item Package Variables |
$a <=> $b; |
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} |
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=item @FullClasslist The full classlist |
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#------- Classification |
=item @Students The students we are concerned with for this invocation |
sub Classify { |
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my $Count=0; |
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my @List=(); |
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# foreach(keys %class){ |
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# $r->print("<br>$_ --> $class{$_}"); |
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# } |
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# $DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
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# $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
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@LS=(); |
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@LF=(); |
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my $cf=0; |
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my $cs=0; |
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foreach (keys(%DiscFac)){ |
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my @l=split(/\:/,$_); |
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if ($class{$l[1]}){ |
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if( $class{$l[1]} == 4 ) { |
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$cs++; |
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push(@LS,('S:'.$l[6].':'.$l[0].':'.$l[5].':'.$l[4].':'.$l[3].':'.$class{$l[1]})); |
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} |
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elsif ( $class{$l[1]} < 3 ) { |
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$cf++; |
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push(@LF,('F:'.$l[6].':'.$l[0].':'.$l[5].':'.$l[4].':'.$l[3].':'.$class{$l[1]})); |
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} |
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} |
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} |
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$r->print("<br>zone successful"); |
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for(my $n=0;$n<$cs;$n++){ |
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$r->print('<br>'.$LS[$n]); |
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} |
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$r->print("<br>zone failed"); |
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for(my $n=0;$n<$cf;$n++){ |
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$r->print('<br>'.$LF[$n]); |
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} |
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# my %Disc = &GetUniqe(@List,5,"Discrimination Factor"); |
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# my %Opnd = &GetUniq(@List,3,"Total Opened"); |
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# my %Trys = &GetUniq(@Lsit4,"Total Tries"); |
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# my %Slvd = &GetUniq(5,"Problems Solved"); |
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# my (@L, $Index,$String)=@_; |
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my %Time = &GetUniqe(1,"Time",'S'); |
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&GetUniqe(1,"Time",'F'); |
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&GetUniqe(2,"Discrimination Factor",'S'); |
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&GetUniqe(2,"Discrimination Factor",'F'); |
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&GetUniqe(3,"Solved",'S'); |
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&GetUniqe(3,"Solved",'F'); |
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&GetUniqe(4,"Tries",'S'); |
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&GetUniqe(4,"Tries",'F'); |
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&GetBin(1,2, " Time ... Discriminat",'S'); |
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&GetBin(1,2, " Time ... Discriminat",'F'); |
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&GetBin(1,3, " Time ... Solved",'S'); |
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&GetBin(1,3, " Time ... Solved",'F'); |
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&GetBin(1,4, " Time ... Tries",'S'); |
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&GetBin(1,4, " Time ... Tries",'F'); |
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&GetBin(2,3, " Discriminant ... Solved",'S'); |
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&GetBin(2,3, " Discriminant ... Solved",'F'); |
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&GetBin(2,4, " Discriminant ... Tries",'S'); |
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&GetBin(2,4, " Discriminant ... Tries",'F'); |
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&GetBin(3,4, " Solved ... Tries",'S'); |
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&GetBin(3,4, " solved ... Tries",'F'); |
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# foreach (keys(%Disc)) { |
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# $r->print("<br>: $Disc{$_} --> $Slvd{$_}"); |
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# } |
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# $r->print("<br>..........Discriminant ... Time................"); |
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## foreach (keys(%Disc)) { |
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# $r->print("<br>$Disc{$_} --> $Time{$_}"); |
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# } |
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# $r->print("<br>..........Time ... Solved......................."); |
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# foreach (keys(%Disc)) { |
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# $r->print("<br>$Disc{$_} --> $Slvd{$_}"); |
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# } |
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} |
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#------- Processing upperlist and lowerlist according to each problem |
=item @Sections The sections available in this class |
sub ProcessDisc { |
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my @List = @_; |
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@List = sort (@List); |
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my $Count = $#List+1; |
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my $Prb; |
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my @Dis; |
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my $Slvd=0; |
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my $tmp; |
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my $Sum=0; |
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my $nIdx=0; |
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my $nStud=0; |
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my %Proc; |
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undef %Proc; |
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while ($nIdx<$Count) { |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
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@Dis=split(/\+/,$tmp); |
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my $Temp = $Prb; |
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do { |
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$nIdx++; |
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$nStud++; |
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$Sum += $Dis[$CurDis]; |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
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@Dis=split(/\+/,$tmp); |
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} while ( $Prb eq $Temp && $nIdx < $Count ); |
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# $Proc{$Temp}=$Sum.':'.$nStud; |
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$Proc{$Temp}=($Sum/$nStud).':'.$nStud; |
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# $r->print("$nIdx) $Temp --> ($nPrb) $Proc{$Temp} <br>"); |
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$Sum=0; |
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$nStud=0; |
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} |
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return %Proc; |
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} |
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#------- Creating Discimination factor table |
=item $curr_student The student currently being examined |
sub DiscriminationTable { |
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my $Count=0; |
=item $prev_student The student previous in the classlist |
foreach (keys(%DiscFac)){ |
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$Count++; |
=item $next_student The student next in the classlist |
} |
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my $UpCnt = int(0.27*$Count); |
=over |
$r->print("<br><br>". |
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"Current map: <b>\"$CurMap\"</b> ". |
=cut |
"Current Section: <b>\"$CurSec\" </b> ". |
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"Number of valid students: <b>$Count</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: ". |
# Classlist variables |
"<b>( Sum of Partial Credits Awarded / ". |
# |
"Total Number of Tries )</b>". |
my $curr_student; |
" <br><br>"); |
my $prev_student; |
$r->rflush(); |
my $next_student; |
my $low=0; |
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my $up=$Count-$UpCnt; |
####################################################### |
my @UpList=(); |
####################################################### |
my @LowList=(); |
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$Count=0; |
=pod |
foreach my $key (sort(keys(%DiscFac))){ |
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$Count++; |
=item &clear_classlist_variables() |
# $r->print("$Count) $key <br>"); |
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undef the following package variables: |
if ($low < $UpCnt || $Count > $up) { |
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$low++; |
=over |
my $str=$DiscFac{$key}; |
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# $r->print("$Count) $str <br>"); |
=item @FullClasslist |
foreach(split(/\:/,$str)){ |
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if ($_) { |
=item @Students |
if ($low<$UpCnt){push(@LowList,$_);} |
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else {push(@UpList,$_);} |
=item @Sections |
} |
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} |
=item %StudentData |
} |
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} |
=item @StudentDataOrder |
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my %Up=&ProcessDisc(@UpList); |
=item @SelectedStudentData |
my %Low=&ProcessDisc(@LowList); |
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=item $curr_student |
my @list = (); |
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my $Useful; |
=item $prev_student |
my $UnUseful; |
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$p_count = 0; |
=item $next_student |
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foreach my $key( keys %CachData) { |
=back |
my @Temp=split(/\:/,$CachData{$key}); |
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($UnUseful,$Useful)=split(/\>/,$Temp[0]); |
=cut |
$list[$p_count]=$Useful.'&'.$CachData{$key}; |
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$p_count++; |
####################################################### |
} |
####################################################### |
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sub clear_classlist_variables { |
@list = sort MySort (@list); |
undef(@FullClasslist); |
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undef(@Students); |
my $Result = "\n".'<table border=2>'; |
undef(@Sections); |
$Result .= "\n".'<tr><th>P#</th>'; |
undef(%StudentData); |
$Result .= "\n".'<th>'.$Header{0}.'</th>'; |
undef(@SelectedStudentData); |
$Result .= "\n".'<th>'.'Discrimination Factor'.'</th>'; |
undef($curr_student); |
$Result .= "\n".'<th>'.'%Upper Award'.'</th>'; |
undef($prev_student); |
$Result .= "\n".'<th>'.'%Lower Award'.'</th>'; |
undef($next_student); |
$Result .= "\n".'<th>'.'Upper Records'.'</th>'; |
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$Result .= "\n".'<th>'.'Lower Records'.'</th>'; |
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$Result .= "\n".'<th>'.'%Degree of Difficulty'.'</th>'; |
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$Result .= "\n".'</tr>'; |
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$r->print( $Result ); |
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for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
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my( $Pre, $Post ) = split(/\&/,$list[$nIdx]); |
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my ($Temp,$MxTries,$StdNo,$TotalTries,$YES,$Override, |
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$Wrng,$Avg,$SD,$Sk,$DoD,$res,$Prob)=split(/\:/,$Post); |
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my ($UpDis,$UpNo)=split(/\:/,$Up{$Prob}); |
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my ($LwDis,$LwNo)=split(/\:/,$Low{$Prob}); |
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$UpNo = ($UpNo) ? $UpNo : 0; |
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$LwNo = ($LwNo) ? $LwNo : 0; |
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my $U_Dis = sprintf("%.4f", $UpDis)*100; |
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my $L_Dis = sprintf("%.4f", $LwDis)*100; |
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my $DisFac = $UpDis - $LwDis; |
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my $_Dis = sprintf("%.4f", $DisFac)*100; |
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$r->print( "\n".'<tr>'. |
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"\n".'<td>'.($nIdx+1).'</td>'. |
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"\n".'<td>'.$Temp.'</td>'. |
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"\n".'<td>'.$_Dis.'</td>'. |
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"\n".'<td>'.$U_Dis.'</td>'. |
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"\n".'<td>'.$L_Dis.'</td>'. |
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"\n".'<td>'.$UpNo.'</td>'. |
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"\n".'<td>'.$LwNo.'</td>'. |
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"\n".'<td>'.($DoD).'</td>'. |
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"\n".'</tr>' ); |
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} |
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$r->print("\n".'</table>'); |
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$r->rflush(); |
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} |
} |
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sub CreateDiscFac { |
####################################################### |
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####################################################### |
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my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
=pod |
"_$ENV{'user.domain'}_$cid\_statistics.db"; |
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my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
=item &PrepareClasslist() |
"_$ENV{'user.domain'}_$cid\_DiscFactor.db"; |
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Build up the classlist information. The classlist information is kept in |
my $ptr=''; |
the following package variables: |
# $ptr .= '<br><b> Discrimination Criterion: </b>'."\n". |
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# '<select name="DisType"> <option '.$OpSelDis1.'> Total Numebr of Correct Answers </option>'."\n". |
=over |
# '<option '.$OpSelDis2.'></option>Sum of Partial Awarded Credits / Total Number of Tries </select> '."\n"; |
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$ptr .= '<br><input type="submit" name="sort" '. |
=item @FullClasslist |
'value="Recalculate Discrimintion Factor" />'; |
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$r->print($ptr); |
=item @Students |
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if ((-e "$CacheDB")&& |
=item @Sections |
($ENV{'form.sort'} ne 'Recalculate Discrimintion Factor')) { |
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if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { |
=item %StudentData |
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640); |
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#&DiscriminationTable(); |
=item @SelectedStudentData |
&Classify(); |
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} |
=item $curr_student |
else {$r->print("Unable to tie hash to db file");} |
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} |
=item $prev_student |
else { |
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if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { |
=item $next_student |
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); |
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foreach (keys %CachData) {delete $CachData{$_};} |
=back |
foreach (keys %DiscFac) {delete $DiscFac{$_};} |
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$DiscFlag=1; |
$curr_student, $prev_student, and $next_student may not be defined, depending |
&Build_Statistics(); |
upon the calling context. |
$DiscFlag=0; |
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&DiscriminationTable(); |
=cut |
} |
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else {$r->print("Unable to tie hash to db file");} |
####################################################### |
} |
####################################################### |
untie(%CachData); |
sub PrepareClasslist { |
untie(%DiscFac); |
my %Sections; |
} |
&clear_classlist_variables(); |
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# |
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# Retrieve the classlist |
# ------ Create different Student Report |
my $cid = $env{'request.course.id'}; |
sub StudentReport { |
my $cdom = $env{'course.'.$cid.'.domain'}; |
my ($sname,$sdom)=@_; |
my $cnum = $env{'course.'.$cid.'.num'}; |
if ( $sname eq 'All Students' ) { |
my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, |
$r->print( '<h3><font color=blue>WARNING: |
$cdom,$cnum); |
Please select a student</font></h3>' ); |
my @selected_sections = &get_selected_sections(); |
return; |
# |
} |
# Deal with instructors with restricted section access |
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
if ($env{'request.course.sec'} !~ /^\s*$/) { |
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); |
@selected_sections = ($env{'request.course.sec'}); |
my %result = (); |
} |
my $ResId; |
# |
my $Code; |
# Set up %StudentData |
my $Tries; |
@StudentDataOrder = qw/fullname username domain id section status comments/; |
my $TotalTries = 0; |
foreach my $field (@StudentDataOrder) { |
my $ParCr = 0; |
$StudentData{$field}->{'title'} = &mt($field); |
my $Wrongs; |
$StudentData{$field}->{'base_width'} = length(&mt($field)); |
my %TempHash; |
$StudentData{$field}->{'width'} = |
my $Version; |
$StudentData{$field}->{'base_width'}; |
my $LatestVersion; |
} |
my $PtrTry=''; |
# |
my $PtrCod=''; |
# get the status requested |
my $SetNo=0; |
$enrollment_status = 'Active'; |
my $Str = "\n".'<table border=2>'. |
$enrollment_status = $env{'form.Status'} if (exists($env{'form.Status'})); |
"\n".'<tr>'. |
# |
"\n".'<th> # </th>'. |
# Process the classlist |
"\n".'<th> Set Title </th>'. |
while (my ($student,$student_data) = each (%$classlist)) { |
"\n".'<th> Results </th>'. |
my $studenthash = (); |
"\n".'<th> Tries </th>'. |
for (my $i=0; $i< scalar(@$field_names);$i++) { |
"\n".'</tr>'; |
my $field = $field_names->[$i]; |
unless ($reply=~/^error\:/) { |
# Store the data |
map { |
$studenthash->{$field}=$student_data->[$i]; |
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
# Keep track of the width of the fields |
$result{$name}=$value; |
next if (! exists($StudentData{$field})); |
} split(/\&/,$reply);; |
my $length = length($student_data->[$i]); |
foreach $ResId (@cols) { |
if ($StudentData{$field}->{'width'} < $length) { |
if ( !$ResId ) { |
$StudentData{$field}->{'width'} = $length; |
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); |
} |
if ( $Set ) { |
} |
$SetNo++; |
push (@FullClasslist,$studenthash); |
$Str .= "\n"."<tr>". |
# |
"\n"."<td> $SetNo </td>". |
# Build up a list of sections |
"\n"."<td> $Set </td>". |
my $section = $studenthash->{'section'}; |
"\n"."<td> $PtrCod </td>". |
if (! defined($section) || $section =~/^\s*$/ || $section == -1) { |
"\n"."<td> $PtrTry</td>". |
$studenthash->{'section'} = 'none'; |
"\n"."</tr>"; |
$section = $studenthash->{'section'}; |
} |
} |
$PtrTry=''; |
$Sections{$section}++; |
$PtrCod=''; |
# |
next; |
# Only put in the list those students we are interested in |
} |
foreach my $sect (@selected_sections) { |
$ResId=~/(\d+)\.(\d+)/; |
if ( (($sect eq 'all') || |
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
($section eq $sect)) && |
if ( $CurMap ne 'All Maps' ) { |
(($studenthash->{'status'} eq $enrollment_status) || |
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
($enrollment_status eq 'Any')) |
if ( $Map ne $ResMap ) { next; } |
){ |
} |
push (@Students,$studenthash); |
my $meta=$hash{'src_'.$ResId}; |
last; |
my $PartNo = 0; |
|
undef %TempHash; |
|
map { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
if ( $TempHash{"$Part"} eq '' ) { |
|
$TempHash{"$Part"} = $Part; |
|
$TempHash{$PartNo}=$Part; |
|
$TempHash{"$Part.Code"} = '-'; |
|
$PartNo++; |
|
} |
|
} |
|
} split(/\,/,&Apache::lonnet::metadata($meta,'keys')); |
|
|
|
my $Prob = $Map.'___'.$2.'___'. |
|
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
|
$Code='U'; |
|
$Tries = 0; |
|
$Wrongs = 0; |
|
$LatestVersion = $result{"version:$Prob"}; |
|
|
|
if ( $LatestVersion ) { |
|
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
|
my $vkeys = $result{"$Version:keys:$Prob"}; |
|
my @keys = split(/\:/,$vkeys); |
|
|
|
foreach my $Key (@keys) { |
|
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
|
my $Part = $1; |
|
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
|
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
|
$TotalTries += $Tries; |
|
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
|
if ( $Val eq 'correct_by_student' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'Y'; } |
|
elsif ( $Val eq 'correct_by_override' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'y'; } |
|
elsif ( $Val eq 'incorrect_attempted' || |
|
$Val eq 'incorrect_by_override' ) |
|
{ $Wrongs = $Tries; $Code = 'N'; } |
|
$TempHash{"$Part.Code"} = $Code; |
|
$TempHash{"$Part.Wrongs"} = $Wrongs; |
|
} |
|
} |
|
} |
|
for ( my $n = 0; $n < $PartNo; $n++ ) { |
|
my $part = $TempHash{$n}; |
|
if ($PtrTry ne '') {$PtrTry .= ',';} |
|
$PtrTry .= "$TempHash{$part.'.Tries'}"; |
|
$PtrCod .= "$TempHash{$part.'.Code'}"; |
|
} |
|
} |
} |
else { |
|
for(my $n=0; $n<$PartNo; $n++) { |
|
if ($PtrTry ne '') {$PtrTry .= ',';} |
|
$PtrTry .= "0"; |
|
$PtrCod .= "-"; |
|
} |
|
} |
|
} |
} |
} |
} |
$Str .= "\n".'</table>'; |
# |
$r->print($Str); |
# Put the consolidated section data in the right place |
$r->rflush(); |
if ($env{'request.course.sec'} !~ /^\s*$/) { |
|
@Sections = ($env{'request.course.sec'}); |
|
} else { |
|
@Sections = sort {$a cmp $b} keys(%Sections); |
|
unshift(@Sections,'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 { $a->{$sortby} cmp $b->{$sortby} || |
|
$a->{'fullname'} cmp $b->{'fullname'} } @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]; |
|
} |
|
} |
|
} |
|
# |
|
if (exists($env{'form.StudentData'})) { |
|
if (ref($env{'form.StudentData'}) eq 'ARRAY') { |
|
@SelectedStudentData = @{$env{'form.StudentData'}}; |
|
} else { |
|
@SelectedStudentData = ($env{'form.StudentData'}); |
|
} |
|
} else { |
|
@SelectedStudentData = ('username'); |
|
} |
|
foreach (@SelectedStudentData) { |
|
if ($_ eq 'all') { |
|
@SelectedStudentData = ('all'); |
|
last; |
|
} |
|
} |
|
# |
|
return; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=item get_selected_sections |
|
|
# ------------------------------------------- Prepare Statistics Table |
Returns an array of the selected sections |
sub PreStatTable { |
|
my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_statistics.db"; |
|
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
|
my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_DiscFactor.db"; |
|
$r->print('<br><input type="submit" name="sort" value="Recalculate Statistics" />'); |
|
|
|
my $Ptr = ''; |
|
|
|
$Ptr .= '<br><b> Sorting Type: </b>'."\n". |
|
'<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n". |
|
'<option '.$OpSel2.'>Descending</option> </select> '."\n"; |
|
$Ptr .= ' '; |
|
$Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n"; |
|
$Ptr .= ' '; |
|
$Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n"; |
|
|
|
$Ptr .= '<pre>'. |
|
' #Stdnts: Total Number of Students opened the problem.<br>'. |
|
' Tries : Total Number of Tries for solving the problem.<br>'. |
|
' Mod : Maximunm Number of Tries for solving the problem.<br>'. |
|
' Mean : Average Number of the tries. [ Tries / #Stdns ]<br>'. |
|
' #YES : Number of students solved the problem correctly.<br>'. |
|
' #yes : Number of students solved the problem by override.<br>'. |
|
' %Wrng : Percentage of students tried to solve the problem but still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'. |
|
' S.D. : Standard Deviation of the tries.[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1) where Xi is every student\'s tries ]<br>'. |
|
' Skew. : Skewness of the students tries. [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'. |
|
# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. |
|
' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. |
|
# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]</b>'. |
|
'</pre>'; |
|
|
|
$r->print($Ptr); |
|
$r->rflush(); |
|
|
|
my $Result = "\n".'<table border=2>'; |
|
$Result .= '<tr><th>P#</th>'."\n"; |
|
for ( my $nIdx=0; $nIdx < 12; $nIdx++ ) { |
|
$Result .= '<th>'.'<input type="submit" name="sort" value="'. |
|
$Header{$nIdx}.'" />'.'</th>'."\n"; |
|
} |
|
$Result .= "\n".'</tr>'."\n"; |
|
$r->print( $Result ); |
|
$r->rflush(); |
|
|
|
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { |
=cut |
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
&Cache_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
else { |
|
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { |
|
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
foreach (keys %DiscFac) {delete $CachData{$_};} |
|
foreach (keys %CachData) {delete $CachData{$_};} |
|
$DiscFlag=0; |
|
&Build_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
#$r->print('Total instances of the problems : '.($p_count*($#students+1))); |
|
|
|
untie(%CachData); |
|
untie(%GraphDat); |
|
untie(%DiscFac); |
|
|
|
$r->print("\n".'</table>'."\n"); |
####################################################### |
$r->rflush(); |
####################################################### |
|
sub get_selected_sections { |
|
my @selected_sections; |
|
if (exists($env{'form.Section'})) { |
|
if (ref($env{'form.Section'})) { |
|
@selected_sections = @{$env{'form.Section'}}; |
|
} elsif ($env{'form.Section'} !~ /^\s*$/) { |
|
@selected_sections = ($env{'form.Section'}); |
|
} |
|
} |
|
@selected_sections = ('all') if (! @selected_sections); |
|
foreach (@selected_sections) { |
|
if ($_ eq 'all') { |
|
@selected_sections = ('all'); |
|
} |
|
} |
|
# |
|
# Deal with instructors with restricted section access |
|
if ($env{'request.course.sec'} !~ /^\s*$/) { |
|
@selected_sections = ($env{'request.course.sec'}); |
|
} |
|
return @selected_sections; |
|
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=item §ion_and_enrollment_description |
|
|
|
Returns a string describing the currenly selected section(s) and |
|
enrollment status. |
|
|
|
Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized') |
|
'plaintext' is used for example in Excel spreadsheets. |
|
Returns: scalar description string. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub section_and_enrollment_description { |
|
my ($mode) = @_; |
|
if (! defined($mode)) { $mode = 'localized'; } |
|
my @sections = &Apache::lonstatistics::get_selected_sections(); |
|
my $description; |
|
if ($mode eq 'localized') { |
|
$description = &mt('Unable to determine section and enrollment'); |
|
} elsif ($mode eq 'plaintext') { |
|
$description = 'Unable to determine section and enrollment'; |
|
} else { |
|
$description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description'; |
|
&Apache::lonnet::logthis($description); |
|
} |
|
if (scalar(@sections) == 1 && $sections[0] ne 'all') { |
|
if ($mode eq 'localized') { |
|
$description = &mt('Section [_1]. [_2] enrollment status.', |
|
$sections[0],$env{'form.Status'}); |
|
} elsif ($mode eq 'plaintext') { |
|
$description = 'Section '.$sections[0].'. '. |
|
$env{'form.Status'}.' enrollment status.'; |
|
} |
|
} elsif (scalar(@sections) && $sections[0] eq 'all') { |
|
if ($mode eq 'localized') { |
|
$description = &mt('All sections. [_1] enrollment status.', |
|
$env{'form.Status'}); |
|
} elsif ($mode eq 'plaintext') { |
|
$description = 'All sections. '. |
|
$env{'form.Status'}.' enrollment status.'; |
|
} |
|
} elsif (scalar(@sections)) { |
|
my $lastsection = pop(@sections); |
|
if ($mode eq 'localized') { |
|
$description = &mt('Sections [_1] and [_2]. [_3] enrollment status.', |
|
join(', ',@sections),$lastsection, |
|
$env{'form.Status'}); |
|
} elsif ($mode eq 'plaintext') { |
|
$description = |
|
'Sections '.join(', ',@sections).' and '.$lastsection.'. '. |
|
$env{'form.Status'}.' enrollment status.'; |
|
} |
|
} |
|
return $description; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
# ------------------------------------- Find the section of student in a course |
=pod |
|
|
sub usection { |
=item get_students |
my ($udom,$unam,$courseid)=@_; |
|
$courseid=~s/\_/\//g; |
|
$courseid=~s/^(\w)/\/$1/; |
|
map { |
|
my ($key,$value)=split(/\=/,$_); |
|
$key=&Apache::lonnet::unescape($key); |
|
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
|
my $section=$1; |
|
if ($key eq $courseid.'_st') { $section=''; } |
|
my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value)); |
|
$section=($section) ? $section : '(none)'; |
|
$section=(int($section)) ? int($section) : $section; |
|
# $r->print($unam.'...'.$section.'<br>'); |
|
return $section; |
|
} |
|
} split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles', |
|
&Apache::lonnet::homeserver($unam,$udom))); |
|
return ''; |
|
} |
|
|
|
|
Returns a list of the selected students |
|
|
# ------ Dump the Student's DB file and handling the data for statistics table |
=cut |
|
|
sub ExtractStudentData { |
####################################################### |
my ($student,$coid)=@_; |
####################################################### |
my ($sname,$sdom) = split( /\:/, $student ); |
sub get_students { |
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
if (! @Students) { |
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); |
&PrepareClasslist() |
my %result = (); |
|
my $ResId; |
|
my $Dis = ''; |
|
my $Code; |
|
my $Tries; |
|
my $ParCr; |
|
my $TotalTries = 0; |
|
my $TotalOpend = 0; |
|
my $ProbSolved = 0; |
|
my $ProbTot = 0; |
|
my $TimeTot = 0; |
|
my $TotParCr = 0; |
|
my $Wrongs; |
|
my %TempHash; |
|
my $Version; |
|
my $LatestVersion; |
|
my $SecLimit; |
|
my $MapLimit; |
|
unless ($reply=~/^error\:/) { |
|
map { |
|
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
|
$result{$name}=$value; |
|
#$r->print($name.'='.$value.'<br>'); |
|
} split(/\&/,$reply); |
|
foreach $ResId (@cols) { |
|
if ( !$ResId ) { next; } |
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
|
if ( $CurMap ne 'All Maps' ) { |
|
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
|
if ( $Map ne $ResMap ) { next; } |
|
} |
|
my $meta=$hash{'src_'.$ResId}; |
|
my $PartNo = 0; |
|
$Dis .= ':'; |
|
undef %TempHash; |
|
map { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
if ( $TempHash{"$Part"} eq '' ) { |
|
$TempHash{"$Part"} = $Part; |
|
$TempHash{$PartNo}=$Part; |
|
$TempHash{"$Part.Code"} = 'U'; |
|
$PartNo++; |
|
} |
|
} |
|
} split(/\,/,&Apache::lonnet::metadata($meta,'keys')); |
|
|
|
my $Prob = $Map.'___'.$2.'___'. |
|
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
|
$Code='U'; |
|
$Tries = 0; |
|
$ParCr = 0; |
|
$Wrongs = 0; |
|
$LatestVersion = $result{"version:$Prob"}; |
|
|
|
if ( $LatestVersion ) { |
|
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
|
my $vkeys = $result{"$Version:keys:$Prob"}; |
|
my @keys = split(/\:/,$vkeys); |
|
|
|
foreach my $Key (@keys) { |
|
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
|
my $Part = $1; |
|
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
|
$ParCr = $result{"$Version:$Prob:resource.$Part.awarded"}; |
|
my $Time = $result{"$Version:$Prob:timestamp"}; |
|
$TempHash{"$Part.Time"} = ($Time) ? $Time : 0; |
|
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
|
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; |
|
$TotalTries += $TempHash{"$Part.Tries"}; |
|
$TotParCr += $TempHash{"$Part.ParCr"}; |
|
#$r->print($Version.'---'.$Prob.'==='.$Time.'<br>'); |
|
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
|
if ( $Val eq 'correct_by_student' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'C'; } |
|
elsif ( $Val eq 'correct_by_override' ) |
|
{ $Wrongs = $Tries - 1; $Code = 'O'; } |
|
elsif ( $Val eq 'incorrect_attempted' || |
|
$Val eq 'incorrect_by_override' ) |
|
{ $Wrongs = $Tries; $Code = 'I'; } |
|
$TempHash{"$Part.Code"} = $Code; |
|
$TempHash{"$Part.Wrongs"} = $Wrongs; |
|
} |
|
} |
|
} |
|
for ( my $n = 0; $n < $PartNo; $n++ ) { |
|
my $part = $TempHash{$n}; |
|
my $Yes = 0; |
|
if ( $TempHash{$part.'.Code'} eq 'C' || |
|
$TempHash{$part.'.Code'} eq 'O' ) |
|
{$ProbSolved++;$Yes=1;} |
|
my $ptr = "$hash{'title_'.$ResId}"; |
|
if ( $PartNo > 1 ) { |
|
$ptr .= " (part $part)"; |
|
$Dis .= ':'; |
|
} |
|
my $Fac = ($TempHash{"$part.Tries"}) ? |
|
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0; |
|
my $DisF; |
|
if ( $Fac > 0 && $Fac < 1 ) { |
|
$DisF = sprintf( "%.4f", $Fac ); |
|
} |
|
else {$DisF = $Fac;} |
|
# $DisF .= '+'.$TempHash{"$part.Time"}; |
|
$TimeTot += $TempHash{"$part.Time"}; |
|
$Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes; |
|
$ptr .= "*$ResId:$TempHash{$part.'.Tries'}". |
|
":$TempHash{$part.'.Wrongs'}". |
|
":$TempHash{$part.'.Code'}"; |
|
#$r->print($sname.' -- '.$ptr.'--- timestamp='.$TempHash{"$part.Time"}.'<br>'); |
|
push (@list, $ptr); |
|
$TotalOpend++; |
|
$ProbTot++; |
|
} |
|
} |
|
else { |
|
for(my $n=0; $n<$PartNo; $n++) { |
|
push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); |
|
$ProbTot++; |
|
} |
|
} |
|
} |
|
if ( $TotalTries ) { |
|
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; |
|
# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100); |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
my $time; |
|
if ($ProbSolved){ |
|
$time = int(($TimeTot/$ProbSolved)/10000000); |
|
} |
|
$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
|
$TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
|
#$r->print($DisFactor.$sname.'<br> --- Dis= '.$Dis.'<br>'); |
|
} |
|
} |
} |
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>'); |
return @Students; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
# ------------------------------------------------------------ Build page table |
=pod |
sub tracetable { |
|
my ($rid,$beenhere)=@_; |
=item ¤t_student() |
$rid=~/(\d+)\.(\d+)/; |
|
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; |
Returns a pointer to a hash containing data about the currently |
unless ($beenhere=~/\&$rid\&/) { |
selected student. |
$beenhere.=$rid.'&'; |
|
if (defined($hash{'is_map_'.$rid})) { |
=cut |
my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}; |
|
if ( $cmap eq 'sequence' || $cmap eq 'page' ) { |
####################################################### |
$cols[$#cols+1]=0; |
####################################################### |
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= |
sub current_student { |
# $hash{'title_'.$rid}; |
return $curr_student; |
} |
|
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
|
(defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { |
|
my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
|
|
|
&tracetable($hash{'map_start_'.$hash{'src_'.$rid}}, |
|
'&'.$frid.'&'); |
|
|
|
if ($hash{'src_'.$frid}) { |
|
if ($hash{'src_'.$frid}=~ |
|
/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
$cols[$#cols+1]=$frid; |
|
} |
|
} |
|
} |
|
} else { |
|
if ($hash{'src_'.$rid}) { |
|
if ($hash{'src_'.$rid}=~ |
|
/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
$cols[$#cols+1]=$rid; |
|
} |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
map { |
|
&tracetable($hash{'goesto_'.$_},$beenhere); |
|
} split(/\,/,$hash{'to_'.$rid}); |
|
} |
|
} |
|
} |
} |
|
|
sub MySort { |
####################################################### |
if ( $Pos > 0 && $Pos < 11 ) { |
####################################################### |
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
|
else { $a <=> $b; } |
=pod |
} |
|
else { |
=item &previous_student() |
if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
|
else { $a cmp $b; } |
Returns a pointer to a hash containing data about the student prior |
} |
in the list of students. Or something. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub previous_student { |
|
return $prev_student; |
} |
} |
|
|
sub Build_Statistics { |
####################################################### |
$r->print(<<ENDPOP); |
####################################################### |
<script> |
|
popwin=open('','popwin','width=400,height=100'); |
|
popwin.document.writeln('<html><body bgcolor="#8cee8c">'+ |
|
'<title>LON-CAPA Statistics</title>'+ |
|
'<h4>Computation Progress</h4>'+ |
|
'<form name=popremain>'+ |
|
'<input type=text size=35 name=remaining value=Starting></form>'+ |
|
'</body></html>'); |
|
popwin.document.close(); |
|
</script> |
|
ENDPOP |
|
|
|
$r->rflush(); |
=pod |
# ---------------------------- Gathering the Data of students' tries |
|
my $index; |
|
for ($index=0;$index<=$#students;$index++) { |
|
#----------- update progress |
|
$r->print('<script>popwin.document.popremain.remaining.value="'. |
|
'Computing '.($index+1).'/'.($#students+1).': '. |
|
$students[$index].'";</script>'); |
|
$r->rflush(); |
|
|
|
&ExtractStudentData($students[$index],$cid); |
=item &next_student() |
} |
|
#--------------------- close Progress Line |
|
$r->print('<script>popwin.close()</script>'); |
|
$r->rflush(); |
|
# -------------------- sorting the Data |
|
@list = sort(@list); |
|
$OpSel2=''; |
|
$OpSel1='selected'; |
|
|
|
$p_count = 0; |
|
my $nIdx = 0; |
|
my $dummy; |
|
my $p_val; |
|
my $ResId; |
|
my $NoElements = $#list + 1; |
|
#-------------------------------- loop for data representation |
|
while ( $nIdx < $NoElements ) { |
|
my %storestats=(); |
|
my ($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
|
my $Temp = $Prob; |
|
my $MxTries = 0; |
|
my $TotalTries = 0; |
|
my $YES = 0; |
|
my $Incorrect = 0; |
|
my $Override = 0; |
|
my $StdNo = 0; |
|
my @StdLst; |
|
do { |
|
$nIdx++; |
|
$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' ) { $StdNo--; } |
|
($Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
|
} while ( $Prob eq $Temp && $nIdx < $NoElements ); |
|
|
|
$p_count++; |
Returns a pointer to a hash containing data about the next student |
|
to be viewed. |
|
|
($Temp,$ResId)=split(/\*/,$Temp); |
=cut |
|
|
$Temp = '<a href="'.$hash{'src_'.$ResId}.'" target="_blank">'.$Temp.'</a>'; |
####################################################### |
|
####################################################### |
my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); |
sub next_student { |
my $urlres=$res; |
return $next_student; |
|
} |
|
|
$ResId=~/(\d+)\.(\d+)/; |
############################################## |
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
############################################## |
$urlres=$Map; |
|
|
=pod |
|
|
$res = '<a href="'.$hash{'src_'.$ResId}.'">'.$res.'</a>'; |
=item &StudentDataSelect($elementname,$status,$numvisible,$selected) |
|
|
#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
Returns html for a selection box allowing the user to choose one (or more) |
|
of the fields of student data available (fullname, username, id, section, etc) |
#------------------------ Compute the Average of Tries about one problem |
|
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
=over 4 |
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
=item $elementname The name of the HTML form element |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
=item $status 'multiple' or 'single' selection box |
|
|
#-------------------------------- Compute percentage of Wrong tries |
=item $numvisible The number of options to be visible |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
|
|
=back |
#-------------------------------- Compute Standard Deviation |
|
my $StdDev = 0; |
=cut |
if ( $StdNo > 1 ) { |
|
for ( my $n = 0; $n < $StdNo; $n++ ) { |
############################################## |
my $Dif = $StdLst[ $n ]-$Average; |
############################################## |
$StdDev += $Dif*$Dif; |
sub StudentDataSelect { |
} |
my ($elementname,$status,$numvisible)=@_; |
$StdDev /= ( $StdNo - 1 ); |
if ($numvisible < 1) { |
$StdDev = sqrt( $StdDev ); |
return; |
} |
} |
|
# |
#-------------------------------- Compute Degree of Difficulty |
# Build the form element |
my $DoDiff = 0; |
my $Str = "\n"; |
if( $TotalTries > 0 ) { |
$Str .= '<select name="'.$elementname.'" '; |
$DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); |
if ($status ne 'single') { |
# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1); |
$Str .= 'multiple="true" '; |
} |
|
|
|
$storestats{$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; |
|
} |
|
#----------------- 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 ); |
|
|
|
$CachData{($p_count-1)}=$Temp.':'.$StdNo.':'.$TotalTries.':'. |
|
$MxTries.':'.$Avg.':'.$YES.':'. |
|
$Override.':'.$Wrng.':'.$SD.':'. |
|
$Sk.':'.$DoD.':'.$Map.':'.$Prob; |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
|
|
|
#-------------------------------- Row of statistical table |
|
if ( $DiscFlag == 0 ) { |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.$p_count.'</td>'. |
|
"\n".'<td>'.$Temp.'</td>'. |
|
"\n".'<td>'.$StdNo.'</td>'. |
|
"\n".'<td>'.$TotalTries.'</td>'. |
|
"\n".'<td>'.$MxTries.'</td>'. |
|
"\n".'<td>'.$Avg.'</td>'. |
|
"\n".'<td>'.$YES.'</td>'. |
|
"\n".'<td>'.$Override.'</td>'. |
|
"\n".'<td>'.$Wrng.'</td>'. |
|
"\n".'<td>'.$SD.'</td>'. |
|
"\n".'<td>'.$Sk.'</td>'. |
|
"\n".'<td>'.$DoD.'</td>'. |
|
"\n".'<td>'.$Map.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$nIdx}=$DoD.':'.$Wrng; |
|
} |
|
} |
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Deal with 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedStudentData) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= ">all</option>\n"; |
|
# |
|
# Loop through the student data fields |
|
foreach my $item (@StudentDataOrder) { |
|
$Str .= ' <option value="'.$item.'" '; |
|
foreach (@SelectedStudentData) { |
|
if ($item eq $_ ) { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= '>'.$item."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
} |
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
sub Cache_Statistics { |
=pod |
my @list = (); |
|
my $Useful; |
|
my $UnUseful; |
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
$p_count = 0; |
|
|
|
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\:/,$CachData{$key}); |
|
if ( $Pos == 0 || $Pos == 11 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); |
|
} |
|
else { |
|
$Useful = $Temp[$Pos]; |
|
} |
|
$list[$p_count]=$Useful.'&'.$CachData{$key}; |
|
$p_count++; |
|
} |
|
|
|
@list = sort MySort (@list); |
|
|
|
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
|
my( $Pre, $Post ) = split(/\&/,$list[$nIdx]); |
|
my ($Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES, |
|
$Override,$Wrng,$SD,$Sk,$DoD,$res,$Prob)=split(/\:/,$Post); |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.($nIdx+1).'</td>'. |
|
"\n".'<td>'.$Temp.'</td>'. |
|
"\n".'<td>'.$StdNo.'</td>'. |
|
"\n".'<td>'.$TotalTries.'</td>'. |
|
"\n".'<td>'.$MxTries.'</td>'. |
|
"\n".'<td>'.$Avg.'</td>'. |
|
"\n".'<td>'.$YES.'</td>'. |
|
"\n".'<td>'.$Override.'</td>'. |
|
"\n".'<td>'.$Wrng.'</td>'. |
|
"\n".'<td>'.$SD.'</td>'. |
|
"\n".'<td>'.$Sk.'</td>'. |
|
"\n".'<td>'.$DoD.'</td>'. |
|
"\n".'<td>'.$res.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$nIdx}=$DoD.':'.$Wrng; |
|
} |
|
} |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
=item &get_selected_maps($elementname) |
|
|
sub GetGraphData { |
Input: Name of the <select> form element used to specify the maps. |
my $Tag = shift; |
|
my $Col; |
Returns: Array of symbs of selected maps or the description 'all'. |
my $data=''; |
If form.$elementname does not exist, 'all' is returned. |
my $count = 0; |
|
my $Max = 0; |
=cut |
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 $GraphDat{$_};} |
sub get_selected_maps { |
if (-e "$GraphDB") { |
my ($elementname) = @_; |
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
my @selected_maps; |
if ( $Tag eq 'DoDiff Graph' ) { |
if (exists($env{'form.'.$elementname})) { |
$Tag = 'Degree-of-Difficulty'; |
if (ref($env{'form.'.$elementname})) { |
$Col = 0; |
@selected_maps = @{$env{'form.'.$elementname}}; |
} |
} else { |
else { |
@selected_maps = ($env{'form.'.$elementname}); |
$Tag = 'Wrong-Percentage'; |
} |
$Col = 1; |
} else { |
} |
@selected_maps = ('all'); |
foreach (sort NumericSort keys %GraphDat) { |
} |
my @Temp=split(/\:/,$GraphDat{$_}); |
foreach my $map (@selected_maps) { |
my $inf = $Temp[$Col]; |
if ($map eq 'all') { |
if ( $Max < $inf ) {$Max = $inf;} |
@selected_maps = ('all'); |
$data .= $inf.','; |
last; |
$count++; |
} |
} |
|
untie(%GraphDat); |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
$GData=$Course.'&'.$Tag.'&'.$Max.'&'.$count.'&'.$data; |
|
|
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
} |
|
return @selected_maps; |
} |
} |
|
|
|
|
sub initial { |
####################################################### |
# --------------------------------- Initialize the global varaibles |
####################################################### |
undef @students; |
|
undef @cols; |
|
undef %maps; |
|
undef %section; |
|
undef %StuBox; |
|
undef @list; |
|
undef %CachData; |
|
undef %GraphDat; |
|
undef %DiscFac; |
|
undef $CurMap; |
|
undef $CurSec; |
|
undef $CurStu; |
|
undef $p_count; |
|
undef $Pos; |
|
undef $GData; |
|
} |
|
|
|
|
=pod |
|
|
sub ClassList { |
=item &selected_sequences_with_assessments |
|
|
&GetStatus(); |
Retrieve the sequences which were selected by the user to show. |
|
|
$cid=$ENV{'request.course.id'}; |
Input: $mode: scalar. Either 'selected' or 'all'. If not specified, |
my $chome=$ENV{'course.'.$cid.'.home'}; |
'selected' is used. |
my ($cdom,$cnum)=split(/\_/,$cid); |
|
# ----------------------- Get first and last resource, see if there is anything |
Returns: an array containing a navmap object and navmap resources, |
$firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
or an array containing a scalar with an error message. |
$lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
|
if (($firstres) && ($lastres)) { |
=cut |
# ----------------------------------------------------------------- Render page |
|
my $classlst=&Apache::lonnet::reply |
####################################################### |
('dump:'.$cdom.':'.$cnum.':classlist',$chome); |
####################################################### |
my $StudNo = 0; |
sub selected_sequences_with_assessments { |
unless ($classlst=~/^error\:/) { |
my ($mode) = @_; |
foreach (sort split(/\&/,$classlst)) { |
$mode = 'selected' if (! defined($mode)); |
my ($name,$value)=split(/\=/,$_); |
my $navmap = Apache::lonnavmaps::navmap->new(); |
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); |
if (!defined($navmap)) { |
$name=&Apache::lonnet::unescape($name); |
return ('Can not open Coursemap'); |
my ($sname,$sdom)=split(/\:/,$name); |
|
my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid); |
|
if ($ssec==-1) {next;} |
|
$ssec=($ssec) ? $ssec : '(none)'; |
|
$ssec=(int($ssec)) ? int($ssec) : $ssec; |
|
#$r->print($sname.'...'.$ssec.'<br>'); |
|
$section{$ssec}=$ssec; |
|
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { |
|
$students[$StudNo]=$name; |
|
$StuBox{$sname}=$ssec; |
|
} |
|
$StudNo++; |
|
} |
|
} |
|
else { |
|
$r->print('<h1>Could not access course data</h1>'); |
|
} |
|
$r->print("Total number of students : ".($#students+1)); |
|
$r->rflush(); |
|
# --------------- Find all assessments and put them into some linear-like order |
|
&tracetable($firstres,'&'.$lastres.'&'); |
|
} |
} |
|
# |
|
my @sequences = $navmap->retrieveResources(undef, |
|
sub { shift->is_map(); },1,0,1); |
|
my @sequences_with_assessments; |
|
for my $sequence ($navmap->getById('0.0'), @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 |
|
} |
|
} |
|
} |
|
|
# ------------------------------------------------------------- End render page |
|
else { |
|
$r->print('<h3>Undefined course sequence</h3>'); |
|
} |
} |
&MapSecOptions(); |
return $navmap,@sequences_to_show; |
} |
} |
|
|
|
############################################## |
|
############################################## |
|
|
sub Menu { |
=pod |
my $InpStr = $ENV{'form.sort'}; |
|
if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) { |
=item &map_select($elementname,$status,$numvisible,$restriction) |
&GetGraphData($InpStr); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
Returns html for a selection box allowing the user to choose one (or more) |
} |
of the sequences in the course. The values of the sequences are the symbs. |
else { |
If the top sequence is selected, the value 'top' will result. |
$r->print('<html><head><title>LON-CAPA Statistics</title></head>'); |
|
|
=over 4 |
|
|
$r->print('<body bgcolor="#FFFFFF">'. |
=item $elementname The name of the HTML form element |
'<script>window.focus(); window.width=500;window.height=500; </script>'. |
|
'<img align=right src=/adm/lonIcons/lonlogos.gif>'); |
=item $status 'multiple' or 'single' selection box |
# ---------------------------------------------------------------- Course title |
|
$r->print('<h1> Course : "'. |
=item $numvisible The number of options to be visible |
$ENV{'course.'.$ENV{'request.course.id'}. |
|
'.description'}.'"</h1><h2>'.localtime().'</h2>'); |
=back |
# ------------------------------- This is going to take a while, produce output |
|
$r->rflush(); |
=cut |
|
|
$r->print("\n".'<form name=stat method=post action="/adm/statistics" >'); |
############################################## |
|
############################################## |
my $content = $ENV{'form.sort'}; |
sub map_select { |
if ($content eq '' || $content eq 'Return to Menu') { |
my ($elementname,$status,$numvisible)=@_; |
my $Ptr = '<h3>'; |
if ($numvisible < 1) { |
$Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>';#General Statistics"/>'; |
return; |
$Ptr .= '<br><br>'; |
} |
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>'; |
# |
$Ptr .= '<br><br>'; |
# Set up array of selected items |
# $Ptr .= '<input type=submit name=sort value=Discrimination>';#"Problem Evaluation"/>'; |
my @selected_maps = &get_selected_maps($elementname); |
$Ptr .= '</h3>'; |
# |
$r->print( $Ptr ); |
# Build the form element |
} |
my $form = "\n"; |
else { |
$form .= '<select name="'.$elementname.'" '; |
&initial(); |
if ($status ne 'single') { |
&ClassList(); |
$form .= 'multiple="true" '; |
if ( $content eq 'Discrimination' || #'Problem Evaluation' || |
} |
$content eq 'Recalculate Discrimintion Factor' ) { |
$form .= 'size="'.$numvisible.'" >'."\n"; |
&CreateDiscFac(); |
# |
} |
# Put in option for 'all' |
elsif ( $content eq 'Student Assessment' || |
$form .= ' <option value="all" '; |
$content eq 'Create Student Report' ) { |
if ($selected_maps[0] eq 'all') { |
&StudentOptions(); |
$form .= 'selected '; |
&StudentReport($CurStu,$StuBox{"$CurStu"}); |
} |
} |
$form .= ">all</option>\n"; |
else { |
# |
&PreStatTable(); |
# Loop through the sequences |
} |
my @sequences = &selected_sequences_with_assessments('all'); |
} |
my $navmap; |
$r->print("\n".'</form>'. |
if (!ref($sequences[0])) { |
"\n".'</body>'. |
return $sequences[0]; |
"\n".'</html>'); |
} else { |
$r->rflush(); |
$navmap = shift(@sequences); |
|
} |
|
foreach my $seq (@sequences){ |
|
$form .= ' <option value="'.$seq->symb.'" '; |
|
foreach (@selected_maps) { |
|
if ($seq->symb eq $_) { |
|
$form .= 'selected '; |
|
last; |
|
} |
|
} |
|
$form .= '>'.$seq->compTitle."</option>\n"; |
} |
} |
|
$form .= "</select>\n"; |
|
return $form; |
} |
} |
|
|
sub StudentOptions { |
############################################## |
my $OpSel5=''; |
############################################## |
$CurStu = $ENV{'form.student'}; |
|
if ( $CurStu eq '' ) { |
=pod |
$CurStu = 'All Students'; |
|
$OpSel5 = 'selected'; |
=item &SectionSelect($elementname,$status,$numvisible) |
} |
|
my $Ptr =''; |
Returns html for a selection box allowing the user to choose one (or more) |
# ----------------------------------- Loading the Students Combobox |
of the sections in the course. |
$Ptr .= '<br><b>Select Student</b>'."\n". |
|
'<select name="student">'."\n". |
Uses the package variables @Sections |
'<option '.$OpSel5.'>All Students</option>'; |
=over 4 |
foreach my $key ( sort keys %StuBox ) { |
|
$Ptr .= '<option'; |
|
if ($CurStu eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Create Student Report" />'; |
|
$r->print( $Ptr ); |
|
$r->rflush(); |
|
} |
|
|
|
sub GetStatus { |
=item $elementname The name of the HTML form element |
|
|
$OpSelDis1=''; |
=item $status 'multiple' or 'single' selection box |
$OpSelDis2=''; |
|
$OpSel1=''; |
=item $numvisible The number of options to be visible |
$OpSel2=''; |
|
$OpSel3=''; |
=back |
$OpSel4=''; |
|
|
=cut |
# if ( $ENV{'form.DisType'} eq 'Total Number of Correct Answers' ) { |
|
# $OpSelDis1='selected'; |
############################################## |
# $CurDis=0; |
############################################## |
# } |
sub SectionSelect { |
# else { $OpSel2 = 'selected'; $CurDis = 1;} |
my ($elementname,$status,$numvisible)=@_; |
|
if ($numvisible < 1) { |
if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } |
return; |
else { $OpSel1 = 'selected'; } |
} |
$CurMap = $ENV{'form.maps'}; |
# |
if ( $CurMap eq '' ) { |
# Make sure we have the data we need to continue |
$CurMap = 'All Maps'; |
if (! @Sections) { |
$OpSel3 = 'selected'; |
&PrepareClasslist() |
} |
} |
$CurSec = $ENV{'form.section'}; |
# |
if ( $CurSec eq '' ) { |
# Build the form element |
$CurSec = 'All Sections'; |
my $Str = "\n"; |
$OpSel4 = 'selected'; |
$Str .= '<select name="'.$elementname.'" '; |
|
if ($status ne 'single') { |
|
$Str .= 'multiple="true" '; |
} |
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Loop through the sequences |
|
foreach my $s (@Sections) { |
|
$Str .= ' <option value="'.$s.'" '; |
|
foreach (&get_selected_sections()) { |
|
if ($s eq $_) { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= '>'.$s."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
} |
} |
|
|
|
################################################## |
sub MapSecOptions { |
################################################## |
# ----------------------------------- Loading the Maps Combobox |
sub DisplayClasslist { |
my $Ptr = '<br>'; |
my ($r)=@_; |
$Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />'; |
&Apache::lonhtmlcommon::add_breadcrumb |
$Ptr .= '<br><b> Select Map </b>'."\n". |
({text=>'Select One Student'}); |
'<select name="maps">'."\n". |
# |
'<option '.$OpSel3.'>All Maps</option>'; |
# Output some of the standard interface components |
foreach my $key ( sort keys %maps ) { |
my $Str; |
$Ptr .= '<option'; |
$Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Select One Student'); |
if ($CurMap eq $key) {$Ptr .= ' selected';} |
$Str .= '<p><table cellspacing="5">'."\n"; |
$Ptr .= '>'.$key."</option>\n"; |
$Str .= '<tr>'; |
} |
$Str .= '<th align="center"><b>'.&mt('Sections').'</b></th>'; |
$Ptr .= '</select>'; |
$Str .= '<th align="center"><b>'.&mt('Enrollment Status').'</b></th>'; |
$Ptr .= ' '; |
$Str .= '</tr>'.$/; |
|
$Str .= '<tr>'; |
# ----------------------------------- Loading the Sections Combobox |
$Str .= '<td>'. |
$Ptr .= '<br><b>Select Section</b>'."\n". |
&Apache::lonstatistics::SectionSelect('Section','multiple',5). |
'<select name="section">'."\n". |
'</td>'; |
'<option '.$OpSel4.'>All Sections</option>'; |
$Str .= '<td>'. |
foreach my $key ( sort keys %section ) { |
&Apache::lonhtmlcommon::StatusOptions(undef,undef,5). |
$Ptr .= '<option'; |
'</td>'; |
if ($CurSec eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>"."\n"; |
$Str .= '</tr>'.$/; |
|
$Str .= '</table></p>'; |
|
$Str .= '<input type="submit" name="selectstudent" value="'. |
|
&mt('Update Display').'" />'; |
|
$r->print($Str); |
|
$r->rflush(); |
|
# |
|
my @Fields = ('fullname','username','domain','id','section','status'); |
|
# |
|
$Str = ''; |
|
my @selected_sections = &get_selected_sections(); |
|
if (! @Students) { |
|
if ($selected_sections[0] eq 'all') { |
|
if (lc($env{'form.Status'}) eq 'any') { |
|
$Str .= '<h2>'. |
|
&mt('There are no students in the course.'). |
|
'</h2>'; |
|
} elsif (lc($env{'form.Status'}) eq 'active') { |
|
$Str .= '<h2>'. |
|
&mt('There are no currently enrolled students in the course.'). |
|
'</h2>'; |
|
} elsif (lc($env{'form.Status'}) eq 'expired') { |
|
$Str .= '<h2>'. |
|
&mt('There are no previously enrolled students in the course.'). |
|
'</h2>'; |
|
} |
|
} else { |
|
my $sections; |
|
if (lc($env{'form.Status'}) eq 'any') { |
|
$Str .= '<h2>'. |
|
&mt('There are no students in the selected sections.'). |
|
'</h2>'; |
|
} elsif (lc($env{'form.Status'}) eq 'active') { |
|
$Str .= '<h2>'. |
|
&mt('There are no currently enrolled students in the selected sections.'). |
|
'</h2>'; |
|
} elsif (lc($env{'form.Status'}) eq 'expired') { |
|
$Str .= '<h2>'. |
|
&mt('There are no previously enrolled students in the selected sections.'). |
|
'</h2>'; |
|
} |
|
} |
|
$Str.= '<a href="/adm/statistics?reportSelected=student_assessment">'. |
|
&mt('Click here to return to the chart').'</a>'; |
|
$r->print($Str); |
|
$r->rflush(); |
|
return; |
} |
} |
$Ptr .= '</select>'."\n"; |
|
|
|
$r->print( $Ptr ); |
# "Click" is asinine but it is probably not my place to change the world. |
|
$Str .= '<h2>Click on a students name or username to view their chart</h2>'; |
|
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n"; |
|
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n"; |
|
foreach my $field (@Fields) { |
|
$Str .= '<th><a href="/adm/statistics?'. |
|
'reportSelected=student_assessment&'. |
|
'selectstudent=1&'. |
|
'sort='.$field.'">'.&mt($field). |
|
'</a></th>'; |
|
} |
|
$Str .= '</tr>'."\n"; |
|
# |
|
my $alternate = 0; |
|
foreach my $student (@Students) { # @Students is a package variable |
|
my $sname = $student->{'username'}.':'.$student->{'domain'}; |
|
if($alternate) { |
|
$Str .= '<tr bgcolor="#ffffe6">'; |
|
} else { |
|
$Str .= '<tr bgcolor="#ffffc6">'; |
|
} |
|
$alternate = ($alternate + 1) % 2; |
|
# |
|
foreach my $field (@Fields) { |
|
$Str .= '<td>'; |
|
if ($field eq 'fullname' || $field eq 'username') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('student_assessment'); |
|
$Str .= '&sort='.&Apache::lonnet::escape($env{'form.sort'}); |
|
$Str .= '&SelectedStudent='; |
|
$Str .= &Apache::lonnet::escape($sname).'">'; |
|
$Str .= $student->{$field}.' '; |
|
$Str .= '</a>'; |
|
} elsif ($field eq 'status') { |
|
$Str .= &mt($student->{$field}); |
|
} else { |
|
$Str .= $student->{$field}; |
|
} |
|
$Str .= '</td>'; |
|
} |
|
$Str .= "</tr>\n"; |
|
} |
|
$Str .= '</table></td></tr></table>'."\n"; |
|
# |
|
$r->print($Str); |
$r->rflush(); |
$r->rflush(); |
|
# |
|
return; |
} |
} |
|
|
|
############################################## |
|
############################################## |
|
sub CreateMainMenu { |
|
# |
|
# Define menu data |
|
my @reports = ({ internal_name => 'problem_statistics', |
|
name => &mt('Overall Problem Statistics'), |
|
short_description => |
|
&mt('Student performance statistics on all problems.'), |
|
}, |
|
{ internal_name => 'problem_analysis', |
|
name => &mt('Detailed Problem Analysis'), |
|
short_description => |
|
&mt('Detailed statistics and graphs of student performance on problems.'), |
|
}, |
|
{ internal_name => 'submissiontime_analysis', |
|
name => &mt('Submission Time Plots'), |
|
short_description => |
|
&mt('Display and analysis of submission times on assessments.'), |
|
}, |
|
{ internal_name => 'student_submission_reports', |
|
name => &mt('Student Submission Reports'), |
|
short_description => |
|
&mt('Prepare reports of student submissions.'), |
|
}, |
|
{ internal_name => 'survey_reports', |
|
name => &mt('Survey Reports'), |
|
short_description => |
|
&mt('Prepare reports on survey results.'), |
|
}, |
|
{ internal_name => 'correct_problems_plot', |
|
name => &mt('Correct Problems Plot'), |
|
short_description => |
|
&mt('Display a histogram of student performance in the course.'), |
|
}, |
|
# { internal_name => 'student_assessment', |
|
# name => &mt('Problem Status Chart'), |
|
# short_description => |
|
# &mt('Brief view of each students performance in course.'), |
|
# }, |
|
# 'percentage' => 'Correct-problems Plot', |
|
# 'activitylog' => 'Activity Log', |
|
); |
|
# |
|
# Create the menu |
|
my $Str; |
|
$Str .= '<h2>'.&mt('Please select a report to generate').'</h2>'; |
|
foreach my $reportdata (@reports) { |
|
$Str .=' <h3><a href="/adm/statistics?reportSelected='. |
|
$reportdata->{'internal_name'}.'" >'. |
|
$reportdata->{'name'}."</a></h3>\n"; |
|
$Str .= ' '.(' 'x8).$reportdata->{'short_description'}. |
|
"\n"; |
|
} |
|
$Str .="</dl>\n"; |
|
# |
|
return $Str; |
|
} |
|
|
# ================================================================ Main Handler |
############################################## |
|
############################################## |
sub handler { |
sub handler { |
$r=shift; |
my $r=shift; |
|
my $c = $r->connection(); |
if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
# |
# ------------------------------------------- Set document type for header only |
# Check for overloading |
if ($r->header_only) { |
my $loaderror=&Apache::lonnet::overloaderror($r); |
if ($ENV{'browser.mathml'}) { |
if ($loaderror) { return $loaderror; } |
$r->content_type('text/xml'); |
$loaderror= |
} |
&Apache::lonnet::overloaderror($r, |
else { |
$env{'course.'.$env{'request.course.id'}.'.home'}); |
$r->content_type('text/html'); |
if ($loaderror) { return $loaderror; } |
} |
# |
&Apache::loncommon::no_cache($r); |
# Check for access |
$r->send_http_header; |
if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) { |
return OK; |
$env{'user.error.msg'}= |
} |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
my $requrl=$r->uri; |
if (! &Apache::lonnet::allowed('vgr', |
# ----------------------------------------------------------------- Tie db file |
$env{'request.course.id'}.'/'.$env{'request.course.sec'})) { |
|
$env{'user.error.msg'}= |
undef %hash; |
$r->uri.":vgr:0:0:Cannot view grades with given role"; |
|
return HTTP_NOT_ACCEPTABLE; |
if ($ENV{'request.course.fn'}) { |
} |
my $fn=$ENV{'request.course.fn'}; |
|
if (-e "$fn.db") { |
|
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
|
# ------------------------------------------------------------------- Hash tied |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
&Menu(); |
|
} |
|
else { |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
$r->print('<html><body>Coursemap undefined.</body></html>'); |
|
} |
|
# ------------------------------------------------------------------ Untie hash |
|
unless (untie(%hash)) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie coursemap $fn (browse).</font>"); |
|
} |
|
|
|
# -------------------------------------------------------------------- All done |
|
return OK; |
|
# ----------------------------------------------- Errors, hash could no be tied |
|
} |
|
} |
|
else { |
|
$ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
else { |
|
$ENV{'user.error.msg'}= |
|
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
|
|
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
} |
|
# |
|
# Send the header |
|
&Apache::loncommon::no_cache($r); |
|
&Apache::loncommon::content_type($r,'text/html'); |
|
$r->send_http_header; |
|
if ($r->header_only) { return OK; } |
|
# |
|
# Extract form elements from query string |
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['sort','reportSelected', |
|
'SelectedStudent']); |
|
# |
|
# Give the LON-CAPA page header |
|
my $style = <<ENDSTYLE; |
|
<style type="text/css"> |
|
ul.sub_studentans { list-style-type: none } |
|
ul.sub_correctans { list-style-type: none } |
|
tr.even { background-color: \#CCCCCC } |
|
td.essay { border: 1px solid gray; } |
|
</style> |
|
ENDSTYLE |
|
my $html=&Apache::lonxml::xmlbegin(); |
|
$r->print($html.'<head><title>'. |
|
&mt('Course Statistics and Charts'). |
|
'</title>'.$style. |
|
"</head>\n". |
|
&Apache::loncommon::bodytag('Course Statistics and Charts')); |
|
$r->rflush(); |
|
# |
|
# Either print out a menu for them or send them to a report |
|
&Apache::lonhtmlcommon::clear_breadcrumbs(); |
|
&Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics', |
|
title=>'Statistics', |
|
text =>'Statistics', |
|
faq=>139, |
|
bug=>'Statistics and Charts'}); |
|
if (! exists($env{'form.reportSelected'}) || |
|
$env{'form.reportSelected'} eq '') { |
|
$r->print(&Apache::lonhtmlcommon::breadcrumbs |
|
(undef,&mt('Statistics Main Page')). |
|
&CreateMainMenu()); |
|
} else { |
|
# |
|
if (! &Apache::lonmysql::verify_sql_connection()) { |
|
my $serveradmin = $r->dir_config('lonAdmEMail'); |
|
$r->print('<h2><font color="Red">'. |
|
&mt('Unable to connect to database!'). |
|
'</font></h2>'); |
|
$r->print('<p>'. |
|
&mt('Please notify the server administrator '). |
|
'<b>'.$serveradmin.'</b></p>'); |
|
$r->print('<p>'. |
|
&mt('Course Statistics and Charts cannot be '. |
|
'retrieved until the database is restarted. '. |
|
'Your data is intact but cannot be displayed '. |
|
'at this time.').'</p>'); |
|
$r->print('</body></html>'); |
|
return; |
|
} |
|
# |
|
# Clean out the caches |
|
if (exists($env{'form.ClearCache'})) { |
|
&Apache::loncoursedata::delete_caches($env{'requres.course.id'}); |
|
} |
|
# |
|
# Begin form output |
|
$r->print('<form name="Statistics" '); |
|
$r->print('method="post" action="/adm/statistics">'); |
|
$r->rflush(); |
|
# |
|
my $GoToPage = $env{'form.reportSelected'}; |
|
# |
|
$r->print('<input type="hidden" name="reportSelected" value="'. |
|
$GoToPage.'">'); |
|
if($GoToPage eq 'activitylog') { |
|
# &Apache::lonproblemstatistics::Activity(); |
|
} elsif($GoToPage eq 'problem_statistics') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=>'/adm/statistics?reportselected=problem_statistics', |
|
text=>'Overall Problem Statistics'}); |
|
&Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c); |
|
} elsif($GoToPage eq 'problem_analysis') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=>'/adm/statistics?reportselected=problem_analysis', |
|
text=>'Detailed Problem Analysis'}); |
|
&Apache::lonproblemanalysis::BuildProblemAnalysisPage($r,$c); |
|
} elsif($GoToPage eq 'submissiontime_analysis') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=> |
|
'/adm/statistics?reportselected=submissiontime_analysis', |
|
text=>'Submission Time Plots'}); |
|
&Apache::lonsubmissiontimeanalysis::BuildSubmissionTimePage($r,$c); |
|
} elsif($GoToPage eq 'student_submission_reports') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=> |
|
'/adm/statistics?reportselected=student_submission_reports', |
|
text=>'Student Submission Reports'}); |
|
&Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c); |
|
} elsif($GoToPage eq 'survey_reports') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=> |
|
'/adm/statistics?reportselected=survey_reports', |
|
text=>'Survey Reports'}); |
|
&Apache::lonsurveyreports::BuildSurveyReportsPage($r,$c); |
|
} elsif($GoToPage eq 'correct_problems_plot') { |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=>'/adm/statistics?reportselected=correct_problems_plot', |
|
text=>'Correct Problems Plot'}); |
|
&Apache::loncorrectproblemplot::BuildCorrectProblemsPage($r,$c); |
|
} elsif($GoToPage eq 'student_assessment') { |
|
&Apache::lonhtmlcommon::clear_breadcrumbs(); |
|
&Apache::lonhtmlcommon::add_breadcrumb |
|
({href=>'/adm/statistics?reportselected=student_assessment', |
|
text=>'Chart'}); |
|
&Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c); |
|
} |
|
# |
|
$r->print("</form>\n"); |
|
} |
|
$r->print("</body>\n</html>\n"); |
|
$r->rflush(); |
|
# |
|
return OK; |
} |
} |
|
|
1; |
1; |
__END__ |
|
|
|
|
####################################################### |
|
####################################################### |
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
|
|
__END__ |
|
|