version 1.13, 2002/03/22 23:06:30
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version 1.106, 2004/06/24 19:32:37
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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 |
# |
# 5/05,7/09,7/25/01,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei |
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# 11/1, 11/4, 11/16, 12/14, 12/16, 12/18,12/20,12/31 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22, 2/1, 2/6, 2/25, 3/2, 3/6, 3/17, 3/21, 3/22 Behrouz Minaei |
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### |
### |
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package Apache::lonstatistics; |
=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; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use vars qw( |
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@FullClasslist |
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@Students |
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@Sections |
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@SelectedSections |
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%StudentData |
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@StudentDataOrder |
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@SelectedStudentData |
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$top_map |
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@Sequences |
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@SelectedMaps |
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@Assessments |
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$enrollment_status); |
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use Apache::lonnet(); |
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; |
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use Apache::lonmysql; |
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use Apache::lonlocal; |
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use Time::HiRes; |
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# |
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# Statistics Packages |
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use Apache::lonproblemanalysis(); |
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use Apache::lonsubmissiontimeanalysis(); |
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use Apache::loncorrectproblemplot(); |
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use Apache::lonproblemstatistics(); |
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use Apache::lonstudentassessment(); |
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use Apache::lonpercentage; |
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use Apache::lonstudentsubmissions(); |
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use Apache::lonsurveyreports(); |
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####################################################### |
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####################################################### |
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=pod |
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=item Package Variables |
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=item @FullClasslist The full classlist |
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=item @Students The students we are concerned with for this invocation |
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=item @Sections The sections available in this class |
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=item $curr_student The student currently being examined |
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=item $prev_student The student previous in the classlist |
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=item $next_student The student next in the classlist |
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=over |
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=cut |
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####################################################### |
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####################################################### |
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# |
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# Classlist variables |
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# |
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my $curr_student; |
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my $prev_student; |
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my $next_student; |
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####################################################### |
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####################################################### |
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=pod |
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=item &clear_classlist_variables() |
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undef the following package variables: |
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=over |
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=item @FullClasslist |
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=item @Students |
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=item @Sections |
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# -------------------------------------------------------------- Module Globals |
=item @SelectedSections |
my %hash; |
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my %CachData; |
=item %StudentData |
my %GraphDat; |
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my %OpResp; |
=item @StudentDataOrder |
my %maps; |
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my %mapsort; |
=item @SelectedStudentData |
my %section; |
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my %StuBox; |
=item $curr_student |
my %DiscFac; |
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my %DisUp; |
=item $prev_student |
my %DisLow; |
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my $UpCnt; |
=item $next_student |
my $CurMap; |
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my $CurSec; |
=back |
my $CurStu; |
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my @cols; |
=cut |
my @list; |
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my @students; |
####################################################### |
my $p_count; |
####################################################### |
my $Pos; |
sub clear_classlist_variables { |
my $r; |
undef(@FullClasslist); |
my $OpSel1; |
undef(@Students); |
my $OpSel2; |
undef(@Sections); |
my $OpSelDis1; |
undef(@SelectedSections); |
my $OpSelDis2; |
undef(%StudentData); |
my $OpSel3; |
undef(@SelectedStudentData); |
my $OpSel4; |
undef($curr_student); |
my $GData; |
undef($prev_student); |
my $cid; |
undef($next_student); |
my $firstres; |
} |
my $lastres; |
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my $DiscFlag; |
####################################################### |
my $HWN; |
####################################################### |
my $P_Order; |
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my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
=pod |
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
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9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");#,13,"OpResp"); |
=item &PrepareClasslist() |
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Build up the classlist information. The classlist information is kept in |
#------- Processing upperlist and lowerlist according to each problem |
the following package variables: |
sub ProcessDisc { |
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my @List = @_; |
=over |
@List = sort (@List); |
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my $Count = $#List+1; |
=item @FullClasslist |
my $Prb; |
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my @Dis; |
=item @Students |
my $Slvd=0; |
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my $tmp; |
=item @Sections |
my $Sum1=0; |
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my $Sum2=0; |
=item @SelectedSections |
my $nIdx=0; |
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my $nStud=0; |
=item %StudentData |
my %Proc; |
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undef %Proc; |
=item @SelectedStudentData |
while ($nIdx<$Count) { |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
=item $curr_student |
@Dis=split(/\+/,$tmp); |
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my $Temp = $Prb; |
=item $prev_student |
do { |
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$nIdx++; |
=item $next_student |
$nStud++; |
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$Sum1 += $Dis[0]; |
=back |
$Sum2 += $Dis[1]; |
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($Prb,$tmp)=split(/\=/,$List[$nIdx]); |
$curr_student, $prev_student, and $next_student may not be defined, depending |
@Dis=split(/\+/,$tmp); |
upon the calling context. |
} while ( $Prb eq $Temp && $nIdx < $Count ); |
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# $Proc{$Temp}=($Sum1/$nStud).':'.$nStud; |
=cut |
$Proc{$Temp}=($Sum1/$nStud).':'.($Sum2/$nStud); |
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# $r->print("$nIdx) $Temp --> ($nStud) $Proc{$Temp} <br>"); |
####################################################### |
$Sum1=0; |
####################################################### |
$Sum2=0; |
sub PrepareClasslist { |
$nStud=0; |
my %Sections; |
} |
&clear_classlist_variables(); |
return %Proc; |
# |
} |
# Retrieve the classlist |
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my $cid = $ENV{'request.course.id'}; |
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my $cdom = $ENV{'course.'.$cid.'.domain'}; |
#------- Creating Discimination factor |
my $cnum = $ENV{'course.'.$cid.'.num'}; |
sub Discriminant { |
my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, |
my $Count=0; |
$cdom,$cnum); |
foreach (keys(%DiscFac)){ |
if (exists($ENV{'form.Section'})) { |
$Count++; |
if (ref($ENV{'form.Section'})) { |
} |
@SelectedSections = @{$ENV{'form.Section'}}; |
$UpCnt = int(0.27*$Count); |
} elsif ($ENV{'form.Section'} !~ /^\s*$/) { |
my $low=0; |
@SelectedSections = ($ENV{'form.Section'}); |
my $up=$Count-$UpCnt; |
} |
my @UpList=(); |
} |
my @LowList=(); |
@SelectedSections = ('all') if (! @SelectedSections); |
$Count=0; |
foreach (@SelectedSections) { |
foreach my $key (sort(keys(%DiscFac))){ |
if ($_ eq 'all') { |
$Count++; |
@SelectedSections = ('all'); |
#$r->print("<br>$Count) $key = $DiscFac{$key}"); |
} |
if ($low < $UpCnt || $Count > $up) { |
} |
$low++; |
# |
my $str=$DiscFac{$key}; |
# Deal with instructors with restricted section access |
foreach(split(/\:/,$str)){ |
if ($ENV{'request.course.sec'} !~ /^\s*$/) { |
if ($_) { |
@SelectedSections = ($ENV{'request.course.sec'}); |
if ($low<$UpCnt){push(@LowList,$_);} |
} |
else {push(@UpList,$_);} |
# |
} |
# Set up %StudentData |
} |
@StudentDataOrder = qw/fullname username domain id section status/; |
} |
foreach my $field (@StudentDataOrder) { |
} |
$StudentData{$field}->{'title'} = $field; |
%DisUp=&ProcessDisc(@UpList); |
$StudentData{$field}->{'base_width'} = length($field); |
%DisLow=&ProcessDisc(@LowList); |
$StudentData{$field}->{'width'} = |
} |
$StudentData{$field}->{'base_width'}; |
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} |
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# |
sub NumericSort { |
# get the status requested |
$a <=> $b; |
$enrollment_status = 'Active'; |
} |
$enrollment_status = $ENV{'form.Status'} if (exists($ENV{'form.Status'})); |
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# |
# ------ Create different Student Report |
# Process the classlist |
sub StudentReport { |
while (my ($student,$student_data) = each (%$classlist)) { |
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my $studenthash = (); |
my ($sname,$sdom)=@_; |
for (my $i=0; $i< scalar(@$field_names);$i++) { |
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my $field = $field_names->[$i]; |
if ( $sname eq 'All Students' ) { |
# Store the data |
$r->print( '<h3><font color=blue>WARNING: |
$studenthash->{$field}=$student_data->[$i]; |
Please select a student</font></h3>' ); |
# Keep track of the width of the fields |
return; |
next if (! exists($StudentData{$field})); |
} |
my $length = length($student_data->[$i]); |
my $shome=&Apache::lonnet::homeserver($sname,$sdom); |
if ($StudentData{$field}->{'width'} < $length) { |
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); |
$StudentData{$field}->{'width'} = $length; |
my %result = (); |
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my $ResId; |
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my $PrOrd; |
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my $Code; |
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my $Tries; |
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my $TotalTries = 0; |
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my $ParCr = 0; |
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my $Wrongs; |
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my %TempHash; |
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my $Version; |
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my $LatestVersion; |
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my $PtrTry=''; |
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my $PtrCod=''; |
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my $SetNo=0; |
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my $Str = "\n".'<table border=2>'. |
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"\n".'<tr>'. |
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"\n".'<th> # </th>'. |
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"\n".'<th> Set Title </th>'. |
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"\n".'<th> Results </th>'. |
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"\n".'<th> Tries </th>'. |
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"\n".'</tr>'; |
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unless ($reply=~/^error\:/) { |
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foreach (split(/\&/,$reply)){ |
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my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
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$result{$name}=$value; |
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} |
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foreach my $CurCol (@cols) { |
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if (!$CurCol){ |
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my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); |
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if ( $Set ) { |
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$SetNo++; |
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$Str .= "\n"."<tr>". |
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"\n"."<td> $SetNo </td>". |
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"\n"."<td> $Set </td>". |
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"\n"."<td> $PtrCod </td>". |
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"\n"."<td> $PtrTry</td>". |
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"\n"."</tr>"; |
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} |
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$PtrTry=''; |
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$PtrCod=''; |
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next; |
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} |
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($PrOrd,$ResId)=split(/\:/,$CurCol); |
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$ResId=~/(\d+)\.(\d+)/; |
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my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
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if ( $CurMap ne 'All Maps' ) { |
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my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
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if ( $Map ne $ResMap ) { next; } |
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} |
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my $meta=$hash{'src_'.$ResId}; |
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my $PartNo = 0; |
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undef %TempHash; |
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foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){ |
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if ($_=~/^stores\_(\w+)\_tries$/) { |
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my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
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if ( $TempHash{"$Part"} eq '' ) { |
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$TempHash{"$Part"} = $Part; |
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$TempHash{$PartNo}=$Part; |
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$TempHash{"$Part.Code"} = '-'; |
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$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
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$PartNo++; |
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} |
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} |
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#if ($_=~/^parameter\_(\w+)\_package$/) { |
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} |
} |
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} |
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push (@FullClasslist,$studenthash); |
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# |
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# Build up a list of sections |
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my $section = $studenthash->{'section'}; |
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if (! defined($section) || $section =~/^\s*$/ || $section == -1) { |
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$studenthash->{'section'} = 'none'; |
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$section = $studenthash->{'section'}; |
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} |
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$Sections{$section}++; |
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# |
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# Only put in the list those students we are interested in |
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foreach my $sect (@SelectedSections) { |
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if ( (($sect eq 'all') || |
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($section eq $sect)) && |
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(($studenthash->{'status'} eq $enrollment_status) || |
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($enrollment_status eq 'Any')) |
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){ |
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push (@Students,$studenthash); |
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last; |
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} |
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} |
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} |
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# |
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# Put the consolidated section data in the right place |
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if ($ENV{'request.course.sec'} !~ /^\s*$/) { |
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@Sections = ($ENV{'request.course.sec'}); |
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} else { |
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@Sections = sort {$a cmp $b} keys(%Sections); |
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unshift(@Sections,'all'); # Put 'all' at the front of the list |
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} |
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# |
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# Sort the Students |
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my $sortby = 'fullname'; |
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$sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'})); |
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my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || |
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$a->{'fullname'} cmp $b->{'fullname'} } @Students; |
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@Students = @TmpStudents; |
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# |
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# Now deal with that current student thing.... |
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$curr_student = undef; |
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if (exists($ENV{'form.SelectedStudent'})) { |
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my ($current_uname,$current_dom) = |
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split(':',$ENV{'form.SelectedStudent'}); |
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my $i; |
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for ($i = 0; $i<=$#Students; $i++) { |
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next if (($Students[$i]->{'username'} ne $current_uname) || |
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($Students[$i]->{'domain'} ne $current_dom)); |
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$curr_student = $Students[$i]; |
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last; # If we get here, we have our student. |
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} |
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if (defined($curr_student)) { |
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if ($i == 0) { |
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$prev_student = undef; |
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} else { |
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$prev_student = $Students[$i-1]; |
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} |
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if ($i == $#Students) { |
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$next_student = undef; |
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} else { |
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$next_student = $Students[$i+1]; |
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} |
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} |
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} |
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# |
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if (exists($ENV{'form.StudentData'})) { |
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if (ref($ENV{'form.StudentData'}) eq 'ARRAY') { |
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@SelectedStudentData = @{$ENV{'form.StudentData'}}; |
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} else { |
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@SelectedStudentData = ($ENV{'form.StudentData'}); |
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} |
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} else { |
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@SelectedStudentData = ('username'); |
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} |
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foreach (@SelectedStudentData) { |
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if ($_ eq 'all') { |
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@SelectedStudentData = ('all'); |
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last; |
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} |
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} |
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# |
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return; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item get_students |
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Returns a list of the selected students |
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=cut |
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####################################################### |
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####################################################### |
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sub get_students { |
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if (! @Students) { |
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&PrepareClasslist() |
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} |
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return @Students; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item ¤t_student() |
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Returns a pointer to a hash containing data about the currently |
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selected student. |
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=cut |
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####################################################### |
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####################################################### |
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sub current_student { |
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return $curr_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &previous_student() |
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Returns a pointer to a hash containing data about the student prior |
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in the list of students. Or something. |
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=cut |
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####################################################### |
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####################################################### |
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sub previous_student { |
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return $prev_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &next_student() |
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Returns a pointer to a hash containing data about the next student |
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to be viewed. |
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=cut |
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####################################################### |
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####################################################### |
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sub next_student { |
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return $next_student; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &clear_sequence_variables() |
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=cut |
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####################################################### |
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####################################################### |
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sub clear_sequence_variables { |
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undef($top_map); |
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undef(@Sequences); |
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undef(@Assessments); |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &SetSelectedMaps($elementname) |
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Sets the @SelectedMaps array from $ENV{'form.'.$elementname}; |
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=cut |
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####################################################### |
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####################################################### |
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sub SetSelectedMaps { |
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my $elementname = shift; |
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if (exists($ENV{'form.'.$elementname})) { |
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if (ref($ENV{'form.'.$elementname})) { |
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@SelectedMaps = @{$ENV{'form.'.$elementname}}; |
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} else { |
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@SelectedMaps = ($ENV{'form.'.$elementname}); |
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} |
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} else { |
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@SelectedMaps = ('all'); |
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} |
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} |
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####################################################### |
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####################################################### |
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=pod |
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my $Prob = $Map.'___'.$2.'___'. |
=item &Sequences_with_Assess() |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
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$Code='U'; |
Returns an array containing the subset of @Sequences which contain |
$Tries = 0; |
assessments. |
$Wrongs = 0; |
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$LatestVersion = $result{"version:$Prob"}; |
=cut |
if ( $LatestVersion ) { |
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for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
####################################################### |
my $vkeys = $result{"$Version:keys:$Prob"}; |
####################################################### |
my @keys = split(/\:/,$vkeys); |
sub Sequences_with_Assess { |
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my ($mode) = @_; |
foreach my $Key (@keys) { |
$mode = 'selected' if (! defined($mode)); |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
my @Sequences_to_Show; |
my $Part = $1; |
foreach my $sequence (@Sequences) { |
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
next if ($sequence->{'num_assess'} < 1); |
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
if ($mode eq 'all') { |
$TotalTries += $Tries; |
push (@Sequences_to_Show,$sequence); |
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
} elsif ($mode eq 'selected') { |
if ( $Val eq 'correct_by_student' ) |
foreach my $map_symb (@SelectedMaps) { |
{ $Wrongs = $Tries - 1; $Code = 'Y'; } |
if ($sequence->{'symb'} eq $map_symb || $map_symb eq 'all'){ |
elsif ( $Val eq 'correct_by_override' ) |
push (@Sequences_to_Show,$sequence); |
{ $Wrongs = $Tries - 1; $Code = 'y'; } |
last; # Only put it in once |
elsif ( $Val eq 'incorrect_attempted' || |
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$Val eq 'incorrect_by_override' ) |
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{ $Wrongs = $Tries; $Code = 'N'; } |
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$TempHash{"$Part.Code"} = $Code; |
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$TempHash{"$Part.Wrongs"} = $Wrongs; |
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} |
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} |
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} |
} |
for ( my $n = 0; $n < $PartNo; $n++ ) { |
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my $part = $TempHash{$n}; |
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if ($PtrTry ne '') {$PtrTry .= ',';} |
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$PtrTry .= "$TempHash{$part.'.Tries'}"; |
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$PtrCod .= "$TempHash{$part.'.Code'}"; |
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} |
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} |
} |
else { |
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for(my $n=0; $n<$PartNo; $n++) { |
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if ($PtrTry ne '') {$PtrTry .= ',';} |
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$PtrTry .= "0"; |
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$PtrCod .= "-"; |
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} |
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} |
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} |
} |
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} |
} |
$Str .= "\n".'</table>'; |
return @Sequences_to_Show; |
$r->print($Str); |
|
$r->rflush(); |
|
} |
} |
|
|
sub CreateTable { |
####################################################### |
my $ColNo=0; |
####################################################### |
foreach (keys(%Header)){ |
|
$ColNo++; |
=pod |
} |
|
my ($Hd, $Hid)=@_; |
=item &PrepareCourseData($r) |
if ( $Hd == 1 ) { |
|
$r->print('<br><a href="'.$hash{'src_'.$Hid}. |
=cut |
'" target="_blank">'.$hash{'title_'.$Hid}.'</a>'); |
|
} |
####################################################### |
my $Result = "\n".'<table border=2>'; |
####################################################### |
$Result .= '<tr><th>P#</th>'."\n"; |
sub PrepareCourseData { |
for ( my $nIdx=0; $nIdx < $ColNo; $nIdx++ ) { |
my ($r) = @_; |
$Result .= '<th>'.'<input type="submit" name="sort" value="'. |
&clear_sequence_variables(); |
$Header{$nIdx}.'" />'.'</th>'."\n"; |
my ($top,$sequences,$assessments) = |
|
&Apache::loncoursedata::get_sequence_assessment_data(); |
|
if (! defined($top) || ! ref($top)) { |
|
# There has been an error, better report it |
|
&Apache::lonnet::logthis('top is undefined'); |
|
return; |
} |
} |
$Result .= "\n".'</tr>'."\n"; |
$top_map = $top if (ref($top)); |
$r->print( $Result ); |
@Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY'); |
$r->rflush(); |
@Assessments = @{$assessments} if (ref($assessments) eq 'ARRAY'); |
|
return; |
} |
} |
|
|
sub CloseTable { |
####################################################### |
$r->print("\n".'</table>'."\n"); |
####################################################### |
$r->rflush(); |
|
} |
=pod |
|
|
# ------------------------------------------- Prepare Statistics Table |
=item &log_sequence($sequence,$recursive,$padding) |
sub PreStatTable { |
|
my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
Write data about the sequence to a logfile. If $recursive is not |
"_$ENV{'user.domain'}_$cid\_statistics.db"; |
undef the data is written recursively. $padding is used for recursive |
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
calls. |
"_$ENV{'user.domain'}_$cid\_graph.db"; |
|
my $OpSel11=''; |
=cut |
my $OpSel12=''; |
|
my $OpSel13=''; |
####################################################### |
my $Status = $ENV{'form.status'}; |
####################################################### |
if ( $Status eq 'Any' ) { $OpSel13='selected'; } |
sub log_sequence { |
elsif ($Status eq 'Expired' ) { $OpSel12 = 'selected'; } |
my ($seq,$recursive,$padding) = @_; |
else { $OpSel11 = 'selected'; } |
$padding = '' if (! defined($padding)); |
|
if (ref($seq) ne 'HASH') { |
my $Ptr = ''; |
&Apache::lonnet::logthis('log_sequence passed bad sequnce'); |
$Ptr .= '<br><b> Student Status: </b>'."\n". |
return; |
'<select name="status">'. |
} |
'<option '.$OpSel11.' >Active</option>'."\n". |
&Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'}); |
'<option '.$OpSel12.' >Expired</option>'."\n". |
while (my($key,$value) = each(%$seq)) { |
'<option '.$OpSel13.' >Any</option> </select> '."\n"; |
next if ($key eq 'contents'); |
$Ptr .= ' '; |
if (ref($value) eq 'ARRAY') { |
$Ptr .= '<input type=submit name=sort value="Recalculate Statistics"/>'."\n"; |
for (my $i=0;$i< scalar(@$value);$i++) { |
|
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
$Ptr .= '<br><b> Sorting Type: </b>'."\n". |
$value->[$i]); |
'<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n". |
} |
'<option '.$OpSel2.'>Descending</option> </select> '."\n"; |
} else { |
$Ptr .= ' '; |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
$Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n"; |
} |
$Ptr .= ' '; |
} |
$Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n"; |
if (defined($recursive)) { |
|
&Apache::lonnet::logthis($padding.'-'x20); |
$Ptr .= '<pre>'. |
&Apache::lonnet::logthis($padding.'contains:'); |
'<b> #Stdnts</b>: Total Number of Students opened the problem.<br>'. |
foreach my $item (@{$seq->{'contents'}}) { |
'<b> Tries </b>: Total Number of Tries for solving the problem.<br>'. |
if ($item->{'type'} eq 'container') { |
'<b> Mod </b> : Maximunm Number of Tries for solving the problem.<br>'. |
&log_sequence($item,$recursive,$padding.' '); |
'<b> Mean </b>: Average Number of the tries. [ Tries / #Stdnts ]<br>'. |
} else { |
'<b> #YES </b>: Number of students solved the problem correctly.<br>'. |
&Apache::lonnet::logthis($padding.'title = '.$item->{'title'}); |
'<b> #yes </b>: Number of students solved the problem by override.<br>'. |
while (my($key,$value) = each(%$item)) { |
'<b> %Wrng </b>: Percentage of students tried to solve the problem but'. |
next if ($key eq 'title'); |
' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'. |
if (ref($value) eq 'ARRAY') { |
# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. Kashy formula |
for (my $i=0;$i< scalar(@$value);$i++) { |
'<b> DoDiff </b>: Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. #Gerd formula |
&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
'<b> S.D. </b> : Standard Deviation of the tries.'. |
$value->[$i]); |
'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'. |
} |
' where Xi denotes every student\'s tries ]<br>'. |
} else { |
'<b> Skew. </b>: Skewness of the students tries.'. |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'. |
} |
'<b> Dis.F. </b>: Discrimination Factor: A Standard for '. |
} |
'evaluating the problem according to a Criterion<br>'. |
|
'<b> [Applied Criterion in %27 Upper Students - '. |
|
'Applied the same Criterion in %27 Lower Students]</b><br>'. |
|
'<b> 1st </b>Criterion for Sorting the Students: '. |
|
'Sum of Partial Credit Awarded / Total Number of Tries<br>'. |
|
'<b> 2nd </b>Criterion for Sorting the Students: '. |
|
'Total number of Correct Answers / Total Number of Tries'. |
|
'</pre>'; |
|
|
|
$r->print($Ptr); |
|
$r->rflush(); |
|
|
|
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { |
|
if (tie(%CachData,'GDBM_File',"$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(%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"); |
|
} |
|
} |
|
|
|
#33333 |
|
# my $c=0; |
|
# foreach (sort keys %OpResp) { |
|
# $r->print('<br>'.$c.$_.' ====== '.$OpResp{$_}); |
|
# my $count=$#students+1; |
|
# for (my $n=0;$n<1;$n++){ |
|
# my ($sname,$sdom)=$students[$n]; |
|
# my $Prob=$OpResp{$_}; |
|
##my $userview=&Apache::lonnet::ssi($hash{'src_'.$ResId}); |
|
# $r->print('<br>'.$Prob.$sname.$sdom.$cid. |
|
# '<br>'.&Apache::loncommon::get_previous_attempt($Prob,$sname,$sdom,$cid)); |
|
# #$r->print('<br>'.$Prob.$sname. ' *** '.&Apache::lonnet::ssi($hash{'src_'.$Prob})); |
|
# } |
|
# $c++; |
|
# } |
|
|
|
#$r->print('Total instances of the problems : '.($p_count*($#students+1))); |
|
|
|
untie(%CachData); |
|
untie(%GraphDat); |
|
} |
|
|
|
|
|
# ------------------------------------- Find the section of student in a course |
|
|
|
sub usection { |
|
my ($udom,$unam,$courseid,$ActiveFlag)=@_; |
|
$courseid=~s/\_/\//g; |
|
$courseid=~s/^(\w)/\/$1/; |
|
foreach (split(/\&/,&Apache::lonnet::reply('dump:'. |
|
$udom.':'.$unam.':roles', |
|
&Apache::lonnet::homeserver($unam,$udom)))){ |
|
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)); |
|
if ( $ActiveFlag ne 'Any' ) { |
|
my $now=time; |
|
my $notactive=0; |
|
if ($start) { |
|
if ($now<$start) { $notactive=1; } |
|
} |
|
if ($end) { |
|
if ($now>$end) { $notactive=1; } |
|
} |
|
if ((($ActiveFlag eq 'Expired') && $notactive == 1) || |
|
(($ActiveFlag eq 'Active') && $notactive == 0 ) ) { |
|
return $section; |
|
} |
|
else { return '-1'; } |
|
} |
|
return $section; |
|
} |
|
} |
|
return '-1'; |
|
} |
|
|
|
|
|
# ------ Dump the Student's DB file and handling the data for statistics table |
|
|
|
sub ExtractStudentData { |
|
my ($student,$coid)=@_; |
|
my ($sname,$sdom) = split( /\:/, $student ); |
|
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
|
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); |
|
my %result = (); |
|
my $ResId; |
|
my $PrOrd; |
|
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\:/) { |
|
foreach (split(/\&/,$reply)) { |
|
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
|
$result{$name}=$value; |
|
} |
|
foreach my $CurCol(@cols) { |
|
($PrOrd,$ResId)=split(/\:/,$CurCol); |
|
if ( !$CurCol ) { next; } |
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $MapId=$1; |
|
my $PrbId=$2; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$MapId} ); |
|
if ( $CurMap ne 'All Maps' ) { |
|
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
|
if ( $Map ne $ResMap ) { next; } |
|
} |
|
my $meta=$hash{'src_'.$ResId}; |
|
my $PartNo = 0; |
|
$Dis .= ':'; |
|
undef %TempHash; |
|
|
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\w+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
if ( $TempHash{"$Part"} eq '' ) { |
|
$TempHash{"$Part"} = $Part; |
|
$TempHash{$PartNo}=$Part; |
|
$TempHash{"$Part.Code"} = 'U'; |
|
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
|
$PartNo++; |
|
} |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
} |
|
} |
} |
|
} |
|
&Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'}); |
|
&Apache::lonnet::logthis($padding.'-'x20); |
|
} |
|
return; |
|
} |
|
|
|
############################################## |
|
############################################## |
|
|
|
=pod |
|
|
|
=item &StudentDataSelect($elementname,$status,$numvisible,$selected) |
|
|
|
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) |
|
|
|
=over 4 |
|
|
|
=item $elementname The name of the HTML form element |
|
|
my $Prob = $Map.'___'.$PrbId.'___'. |
=item $status 'multiple' or 'single' selection box |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
|
$OpResp{$PrOrd}=$Prob; |
=item $numvisible The number of options to be visible |
$Code='U'; |
|
$Tries = 0; |
=back |
$ParCr = 0; |
|
$Wrongs = 0; |
=cut |
$LatestVersion = $result{"version:$Prob"}; |
|
|
############################################## |
if ( $LatestVersion ) { |
############################################## |
#333333333 |
sub StudentDataSelect { |
#my $userview=&Apache::lonnet::ssi($hash{'src_'.$ResId}); |
my ($elementname,$status,$numvisible)=@_; |
#$r->print('<br>'.$userview); |
if ($numvisible < 1) { |
#$r->print('<br>'.$Prob.$sname.$sdom.$coid.'<br>'.&get_student_answers($Prob,$sname,$sdom,$coid)); |
return; |
|
} |
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
# |
my $vkeys = $result{"$Version:keys:$Prob"}; |
# Build the form element |
my @keys = split(/\:/,$vkeys); |
my $Str = "\n"; |
|
$Str .= '<select name="'.$elementname.'" '; |
foreach my $Key (@keys) { |
if ($status ne 'single') { |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
$Str .= 'multiple="true" '; |
my $Part = $1; |
} |
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
$Str .= 'size="'.$numvisible.'" >'."\n"; |
$ParCr = $result{"$Version:$Prob:resource.$Part.awarded"}; |
# |
my $Time = $result{"$Version:$Prob:timestamp"}; |
# Deal with 'all' |
$TempHash{"$Part.Time"} = ($Time) ? $Time : 0; |
$Str .= ' <option value="all" '; |
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
foreach (@SelectedStudentData) { |
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; |
if ($_ eq 'all') { |
$TotalTries += $TempHash{"$Part.Tries"}; |
$Str .= 'selected '; |
$TotParCr += $TempHash{"$Part.ParCr"}; |
last; |
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
} |
if ( $Val eq 'correct_by_student' ) |
} |
{ $Wrongs = $Tries - 1; $Code = 'C'; } |
$Str .= ">all</option>\n"; |
elsif ( $Val eq 'correct_by_override' ) |
# |
{ $Wrongs = $Tries - 1; $Code = 'O'; } |
# Loop through the student data fields |
elsif ( $Val eq 'incorrect_attempted' || |
foreach my $item (@StudentDataOrder) { |
$Val eq 'incorrect_by_override' ) |
$Str .= ' <option value="'.$item.'" '; |
{ $Wrongs = $Tries; $Code = 'I'; } |
foreach (@SelectedStudentData) { |
$TempHash{"$Part.Code"} = $Code; |
if ($item eq $_ ) { |
$TempHash{"$Part.Wrongs"} = $Wrongs; |
$Str .= 'selected '; |
} |
last; |
} |
|
} |
|
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}"; |
|
my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$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 .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes; |
|
$ptr .= "&$TempHash{$part.'.Tries'}". |
|
"&$TempHash{$part.'.Wrongs'}". |
|
"&$TempHash{$part.'.Code'}"; |
|
push (@list, $ptr); |
|
$TotalOpend++; |
|
$ProbTot++; |
|
} |
|
} |
} |
#else { |
} |
#for(my $n=0; $n<$PartNo; $n++) { |
$Str .= '>'.$item."</option>\n"; |
# push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U"); |
} |
# $ProbTot++; |
$Str .= "</select>\n"; |
#} |
return $Str; |
#} |
} |
} |
|
if ( $TotalTries ) { |
|
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
$DiscFac{$DisFactor}=$Dis; |
|
#my $time; |
|
#if ($ProbSolved){ |
|
#$time = int(($TimeTot/$ProbSolved)-10000000); |
|
#} |
|
#$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
|
# $TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
|
} |
|
} |
|
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>'); |
|
} |
|
|
|
|
|
# ------------------------------------------------------------ Build page table |
|
sub tracetable { |
|
my ($rid,$beenhere)=@_; |
|
my $IsMap=0; |
|
$rid=~/(\d+)\.(\d+)/; |
|
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; |
|
#$maps{$HWN}=$hash{'title_'.$rid}; |
|
unless ($beenhere=~/\&$rid\&/) { |
|
$beenhere.=$rid.'&'; |
|
if (defined($hash{'is_map_'.$rid})) { |
|
my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}; |
|
if ( $cmap eq 'sequence' || $cmap eq 'page' ) { |
|
$cols[$#cols+1]=0; |
|
$P_Order++; |
|
$HWN=$P_Order; |
|
$mapsort{$HWN} = $rid.':'; |
|
$IsMap=1; |
|
|
|
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= |
|
# $hash{'title_'.$rid}; |
|
} |
|
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.'&'); |
|
|
|
$cols[$#cols+1]=($P_Order+1).':'.$frid; |
|
|
|
my $meta=$hash{'src_'.$frid}; |
|
my $PartNo = 0; |
|
# if ($IsMap==0){ |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\w+)\_tries$/) { |
|
&Apache::lonnet::metadata($meta,$_.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
#$r->print('<br>'.$PartNo.'---'.$P_Order); |
|
} |
|
} |
|
# foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) { |
|
# if ($_=~/^optionresponse\_(\w+)\_(\w+)$/) { |
|
# $r->print('<br>'.$_.&Apache::lonnet::metadata($meta,$_)); |
|
# $r->print('<br>'.$_.'...'.$P_Order); |
|
# $OpResp{$P_Order+1}=$frid; |
|
# } |
|
# } |
|
} |
|
} |
|
} |
|
# } |
|
} else { |
|
$cols[$#cols+1]=($P_Order+1).':'.$rid; |
|
my $meta=$hash{'src_'.$rid}; |
|
my $PartNo = 0; |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach my $Key(split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($Key=~/^stores\_(\w+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$Key.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) { |
|
if ($_=~/^optionresponse\_($Part)\_(\w+)$/) { |
|
#$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part); |
|
$OpResp{$P_Order+1}=$rid; |
|
} |
|
|
|
} |
|
|
|
} |
|
} |
|
} |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
foreach (split(/\,/,$hash{'to_'.$rid})){ |
|
&tracetable($hash{'goesto_'.$_},$beenhere); |
|
} |
|
} |
|
} |
|
} |
|
|
|
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; } |
|
} |
|
} |
|
|
|
sub Build_Statistics { |
|
$r->print(<<ENDPOP); |
|
<script> |
|
popwin=open('','popwin','width=400,height=100'); |
|
popwin.document.writeln('<html><body bgcolor="#88DDFF">'+ |
|
'<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(); |
############################################## |
# ---------------------------- Gathering the Data of students' tries |
############################################## |
my $index; |
|
for ($index=0;$index<=$#students;$index++) { |
=pod |
#----------- update progress |
|
$r->print('<script>popwin.document.popremain.remaining.value="'. |
=item &MapSelect($elementname,$status,$numvisible,$restriction) |
'Computing '.($index+1).'/'.($#students+1).': '. |
|
$students[$index].'";</script>'); |
Returns html for a selection box allowing the user to choose one (or more) |
$r->rflush(); |
of the sequences in the course. The values of the sequences are the symbs. |
|
If the top sequence is selected, the value 'top' will result. |
|
|
&ExtractStudentData($students[$index],$cid); |
=over 4 |
|
|
|
=item $elementname The name of the HTML form element |
|
|
|
=item $status 'multiple' or 'single' selection box |
|
|
|
=item $numvisible The number of options to be visible |
|
|
|
=item $restriction Code reference to subroutine which returns true or |
|
false. The code must expect a reference to a sequence data structure. |
|
|
|
=back |
|
|
|
=cut |
|
|
|
############################################## |
|
############################################## |
|
sub MapSelect { |
|
my ($elementname,$status,$numvisible,$restriction)=@_; |
|
if ($numvisible < 1) { |
|
return; |
|
} |
|
# |
|
# Set up array of selected items |
|
&SetSelectedMaps($elementname); |
|
# |
|
# Set up the restriction call |
|
if (! defined($restriction)) { |
|
$restriction = sub { 1; }; |
|
} |
|
# |
|
# Build the form element |
|
my $Str = "\n"; |
|
$Str .= '<select name="'.$elementname.'" '; |
|
if ($status ne 'single') { |
|
$Str .= 'multiple="true" '; |
|
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Deal with 'all' |
|
foreach (@SelectedMaps) { |
|
if ($_ eq 'all') { |
|
@SelectedMaps = ('all'); |
|
last; |
|
} |
|
} |
|
# |
|
# Put in option for 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedMaps) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= ">all</option>\n"; |
|
# |
|
# Loop through the sequences |
|
foreach my $seq (@Sequences) { |
|
next if (! $restriction->($seq)); |
|
$Str .= ' <option value="'.$seq->{'symb'}.'" '; |
|
foreach (@SelectedMaps) { |
|
if ($seq->{'symb'} eq $_) { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= '>'.$seq->{'title'}."</option>\n"; |
} |
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
|
} |
|
|
# -------------------- sorting the Data |
############################################## |
$r->print('<script>popwin.document.popremain.remaining.value="'. |
############################################## |
'Calculating Discrimination Factors...";</script>'); |
|
|
|
@list = sort (@list); |
|
|
|
|
|
&Discriminant(); |
|
|
|
$OpSel2=''; |
|
$OpSel1='selected'; |
|
|
|
$p_count = 0; |
|
my $nIdx = 0; |
|
my $dummy; |
|
my $p_val; |
|
my $ResId; |
|
my $NoElements = $#list + 1; |
|
#-------------------------------- loop for data representation |
|
foreach (sort keys %mapsort) { |
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
my @lpr=split(/\&/,$pr); |
|
&CreateTable(1,$Hid); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my %storestats=(); |
|
my ($PrOrd,$Prob,$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; |
|
while ( $PrOrd == $lpr[$i] ) |
|
{ |
|
$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' ) { $StdNo--; } |
|
($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]); |
|
} |
|
|
|
$p_count++; |
|
my $Dummy; |
|
($ResId,$Dummy)=split(/\*/,$Temp); |
|
|
|
$Temp = '<a href="'.$hash{'src_'.$ResId}. |
=pod |
'" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>'; |
|
|
|
my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); |
|
my $urlres=$res; |
|
|
|
$ResId=~/(\d+)\.(\d+)/; |
=item &SectionSelect($elementname,$status,$numvisible) |
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
|
$urlres=$Map; |
Returns html for a selection box allowing the user to choose one (or more) |
|
of the sections in the course. |
$res = '<a href="'.$hash{'src_'.$ResId}.'">'.$res.'</a>'; |
|
#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
Uses the package variables @Sections and @SelectedSections |
|
=over 4 |
#------------------------ Compute the Average of Tries about one problem |
|
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
=item $elementname The name of the HTML form element |
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
=item $status 'multiple' or 'single' selection box |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
=item $numvisible The number of options to be visible |
|
|
#-------------------------------- Compute percentage of Wrong tries |
=back |
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
|
|
=cut |
#-------------------------------- Compute Standard Deviation |
|
my $StdDev = 0; |
############################################## |
if ( $StdNo > 1 ) { |
############################################## |
for ( my $n = 0; $n < $StdNo; $n++ ) { |
sub SectionSelect { |
my $Dif = $StdLst[ $n ]-$Average; |
my ($elementname,$status,$numvisible)=@_; |
$StdDev += $Dif*$Dif; |
if ($numvisible < 1) { |
} |
return; |
$StdDev /= ( $StdNo - 1 ); |
} |
$StdDev = sqrt( $StdDev ); |
# |
} |
# Make sure we have the data we need to continue |
|
if (! @Sections) { |
#-------------------------------- Compute Degree of Difficulty |
&PrepareClasslist() |
my $DoDiff = 0; |
} |
if( $TotalTries > 0 ) { |
# |
$DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); |
# Build the form element |
# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1); |
my $Str = "\n"; |
} |
$Str .= '<select name="'.$elementname.'" '; |
|
if ($status ne 'single') { |
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff; |
$Str .= 'multiple="true" '; |
|
} |
#-------------------------------- Compute the Skewness |
$Str .= 'size="'.$numvisible.'" >'."\n"; |
my $Skewness = 0; |
# |
my $Sum = 0; |
# Loop through the sequences |
if ( $StdNo > 0 && $StdDev > 0 ) { |
foreach my $s (@Sections) { |
for ( my $n = 0; $n < $StdNo; $n++ ) { |
$Str .= ' <option value="'.$s.'" '; |
my $Dif = $StdLst[ $n ]-$Average; |
foreach (@SelectedSections) { |
$Skewness += $Dif*$Dif*$Dif; |
if ($s eq $_) { |
} |
$Str .= 'selected '; |
$Skewness /= $StdNo; |
last; |
$Skewness /= $StdDev*$StdDev*$StdDev; |
} |
} |
} |
|
$Str .= '>'.$s."</option>\n"; |
#--------------------- Compute the Discrimination Factors |
|
my ($Up1,$Up2)=split(/\:/,$DisUp{$lpr[$i]}); |
|
my ($Lw1,$Lw2)=split(/\:/,$DisLow{$lpr[$i]}); |
|
my $Dis1 = $Up1 - $Lw1; |
|
my $Dis2 = $Up2 - $Lw2; |
|
my $_D1 = sprintf("%.2f", $Dis1); |
|
my $_D2 = sprintf("%.2f", $Dis2); |
|
|
|
#----------------- Some restition in presenting the float numbers |
|
my $Avg = sprintf( "%.2f", $Average ); |
|
my $Wrng = sprintf( "%.1f", $Wrong ); |
|
my $SD = sprintf( "%.1f", $StdDev ); |
|
my $DoD = sprintf( "%.2f", $DoDiff ); |
|
my $Sk = sprintf( "%.1f", $Skewness ); |
|
my $join = $PrOrd.'&'.$Temp.'&'.$StdNo.'&'. |
|
$TotalTries.'&'.$MxTries.'&'.$Avg.'&'. |
|
$YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'. |
|
$SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.$Prob; |
|
$CachData{($p_count-1)}=$join; |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
|
#-------------------------------- Row of statistical table |
|
if ( $DiscFlag == 0 ) { |
|
&TableRow($join,$i,($p_count-1)); |
|
} |
|
} |
|
&CloseTable(); |
|
} |
|
#--------------------- close Progress Line |
|
$r->print('<script>popwin.close()</script>'); |
|
$r->rflush(); |
|
} |
|
|
|
sub Cache_Statistics { |
|
my @list = (); |
|
my $Useful; |
|
my $UnUseful; |
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
if ($Pos > 0) {$Pos++;} |
|
$p_count = 0; |
|
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\&/,$CachData{$key}); |
|
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 $nIdx=0; |
|
|
|
if ( $Pos == 0 ) { |
|
foreach (sort keys %mapsort) { |
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
&CreateTable(1,$Hid); |
|
my @lpr=split(/\&/,$pr); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my($Pre, $Post) = split(/\@/,$list[$nIdx]); |
|
#$r->print('<br>'.$Pre.'---'.$Post); |
|
&TableRow($Post,$i,$nIdx); |
|
$nIdx++; |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
else { |
|
&CreateTable(0); |
|
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
|
my($Pre, $Post) = split(/\@/,$list[$nIdx]); |
|
&TableRow($Post,$nIdx,$nIdx); |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
|
|
sub TableRow { |
|
my ($Str,$Idx,$RealIdx)=@_; |
|
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override, |
|
$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$Str); |
|
my $Ptr = "\n".'<tr>'. |
|
"\n".'<td>'.($RealIdx+1).'</td>'. |
|
# "\n".'<td>'.$PrOrd.$Temp.'</td>'. |
|
"\n".'<td>'.$Temp.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'. |
|
"\n".'<td bgcolor="#EEFFCC">'.$MxTries.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF">'.$Avg.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$YES.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$Override.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD"> '.$Wrng.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'. |
|
"\n".'<td bgcolor="#FFDDFF"> '.$_D1.'</td>'. |
|
"\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>'; |
|
# if( $OpResp{$PrOrd} ) { |
|
# $Ptr.='<td>'.'<input type="submit" name="OpResp" value="'."View_$PrOrd".'" />'.'</td>'; |
|
# } |
|
# else { |
|
# $Ptr.='<td> -------- </td>'; |
|
# } |
|
$r->print("\n".$Ptr.'</tr>' ); |
|
$GraphDat{$RealIdx}=$DoD.':'.$Wrng; |
|
} |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
|
|
|
sub GetGraphData { |
|
my $Tag = 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 ( $Tag eq 'DoDiff Graph' ) { |
|
$Tag = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} |
|
else { |
|
$Tag = '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++; |
|
} |
|
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"); |
|
} |
|
} |
|
} |
|
|
|
|
|
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 %OpResp; |
|
undef $CurMap; |
|
undef $CurSec; |
|
undef $CurStu; |
|
undef $p_count; |
|
undef $Pos; |
|
undef $GData; |
|
$DiscFlag=0; |
|
$P_Order=100000; |
|
$HWN=$P_Order; |
|
} |
|
|
|
|
|
sub ClassList { |
|
|
|
&GetStatus(); |
|
|
|
$cid=$ENV{'request.course.id'}; |
|
my $chome=$ENV{'course.'.$cid.'.home'}; |
|
my ($cdom,$cnum)=split(/\_/,$cid); |
|
# ----------------------- Get first and last resource, see if there is anything |
|
$firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
|
$lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
|
if (($firstres) && ($lastres)) { |
|
# ----------------------------------------------------------------- Render page |
|
my $classlst=&Apache::lonnet::reply |
|
('dump:'.$cdom.':'.$cnum.':classlist',$chome); |
|
my $StudNo = 0; |
|
my $now=time; |
|
unless ($classlst=~/^error\:/) { |
|
foreach (sort split(/\&/,$classlst)) { |
|
my ($name,$value)=split(/\=/,$_); |
|
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); |
|
$name=&Apache::lonnet::unescape($name); |
|
my ($sname,$sdom)=split(/\:/,$name); |
|
my $active=1; |
|
my $Status=$ENV{'form.status'}; |
|
$Status = ($Status) ? $Status : 'Active'; |
|
if ( ( ($end) && $now > $end ) && |
|
( ($Status eq 'Active') ) ) { $active=0; } |
|
if ( ($Status eq 'Expired') && |
|
($end == 0 || $now < $end) ) { $active=0; } |
|
if ($active) { |
|
my $thisindex=$#students+1; |
|
$name=&Apache::lonnet::unescape($name); |
|
$students[$thisindex]=$name; |
|
my ($sname,$sdom)=split(/\:/,$name); |
|
#my %reply=&Apache::lonnet::idrget($sdom,$sname); |
|
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname. |
|
# ':environment:lastname&generation&firstname&middlename', |
|
# &Apache::lonnet::homeserver($sname,$sdom)); |
|
my $ssec=&usection($sdom,$sname,$cid,$Status); |
|
if ($ssec==-1) {next;} |
|
$ssec=($ssec) ? $ssec : '(none)'; |
|
#$ssec=(int($ssec)) ? int($ssec) : $ssec; |
|
$section{$ssec}=$ssec; |
|
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { |
|
$students[$StudNo]=$name; |
|
$StuBox{$sname}=$sdom; |
|
} |
|
$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 $c=0; |
|
# foreach (sort keys %mapsort) { |
|
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_}); |
|
# $c++; |
|
# } |
|
} |
|
|
|
# ------------------------------------------------------------- End render page |
|
else { |
|
$r->print('<h3>Undefined course sequence</h3>'); |
|
} |
|
&MapSecOptions(); |
|
} |
|
|
|
|
|
sub Menu { |
|
my $InpStr = $ENV{'form.sort'}; |
|
if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) { |
|
&GetGraphData($InpStr); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
|
} |
|
else { |
|
$r->print('<html><head><title>LON-CAPA Statistics</title></head>'); |
|
|
|
|
|
$r->print('<body bgcolor="#FFFFFF">'. |
|
'<script>window.focus(); window.width=500;window.height=500; </script>'. |
|
'<img align=right src=/adm/lonIcons/lonlogos.gif>'); |
|
# ---------------------------------------------------------------- Course title |
|
$r->print('<h1> Course : "'. |
|
$ENV{'course.'.$ENV{'request.course.id'}. |
|
'.description'}.'"</h1><h2>'.localtime().'</h2>'); |
|
# ------------------------------- This is going to take a while, produce output |
|
$r->rflush(); |
|
|
|
$r->print("\n".'<form name=stat method=post action="/adm/statistics" >'); |
|
|
|
my $content = $ENV{'form.sort'}; |
|
if ($content eq '' || $content eq 'Return to Menu') { |
|
my $Ptr = '<h3>'; |
|
$Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>'; |
|
$Ptr .= '<br><br>'; |
|
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>'; |
|
$Ptr .= '</h3>'; |
|
$r->print( $Ptr ); |
|
} |
|
else { |
|
&initial(); |
|
&ClassList(); |
|
if ( $content eq 'Student Assessment' || |
|
$content eq 'Create Student Report' ) { |
|
&StudentOptions(); |
|
&StudentReport($CurStu,$StuBox{"$CurStu"}); |
|
} |
|
else { |
|
&PreStatTable(); |
|
} |
|
} |
|
$r->print("\n".'</form>'. |
|
"\n".'</body>'. |
|
"\n".'</html>'); |
|
$r->rflush(); |
|
} |
|
} |
|
|
|
sub StudentOptions { |
|
my $OpSel5=''; |
|
$CurStu = $ENV{'form.student'}; |
|
if ( $CurStu eq '' ) { |
|
$CurStu = 'All Students'; |
|
$OpSel5 = 'selected'; |
|
} |
|
my $Ptr =''; |
|
# ----------------------------------- Loading the Students Combobox |
|
$Ptr .= '<br><b>Select Student</b>'."\n". |
|
'<select name="student">'."\n". |
|
'<option '.$OpSel5.'>All Students</option>'; |
|
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 { |
|
$OpSel1=''; |
|
$OpSel2=''; |
|
$OpSel3=''; |
|
$OpSel4=''; |
|
|
|
if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } |
|
else { $OpSel1 = 'selected'; } |
|
|
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
if ($Pos == 0) { |
|
$OpSel1 = 'selected'; |
|
$ENV{'form.order'}='Ascendig'; |
|
} |
|
|
|
$CurMap = $ENV{'form.maps'}; |
|
if ( $CurMap eq '' ) { |
|
$CurMap = 'All Maps'; |
|
$OpSel3 = 'selected'; |
|
} |
|
$CurSec = $ENV{'form.section'}; |
|
if ( $CurSec eq '' ) { |
|
$CurSec = 'All Sections'; |
|
$OpSel4 = 'selected'; |
|
} |
|
} |
|
|
|
|
|
sub MapSecOptions { |
|
# ----------------------------------- Loading the Maps Combobox |
|
my $Ptr = '<br>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />'; |
|
$Ptr .= '<br><b> Select Map </b>'."\n". |
|
'<select name="maps">'."\n". |
|
'<option '.$OpSel3.'>All Maps</option>'; |
|
foreach my $key ( sort keys %maps ) { |
|
$Ptr .= '<option'; |
|
if ($CurMap eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= ' '; |
|
|
|
# ----------------------------------- Loading the Sections Combobox |
|
$Ptr .= '<br><b>Select Section</b>'."\n". |
|
'<select name="section">'."\n". |
|
'<option '.$OpSel4.'>All Sections</option>'; |
|
foreach my $key ( sort keys %section ) { |
|
$Ptr .= '<option'; |
|
if ($CurSec eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
$Str .= "</select>\n"; |
|
return $Str; |
|
} |
|
|
|
####################################################### |
|
####################################################### |
|
|
$r->print( $Ptr ); |
=pod |
|
|
|
=item &CreateAndParseOutputSelector() |
|
|
|
Construct a selection list of options for output and parse output selections. |
|
|
|
=cut |
|
|
|
####################################################### |
|
####################################################### |
|
sub OutputDescriptions { |
|
my (@OutputOptions) = @_; |
|
my $Str = ''; |
|
$Str .= "<h2>Output Modes</h2>\n"; |
|
$Str .= "<dl>\n"; |
|
foreach my $outputmode (@OutputOptions) { |
|
$Str .=" <dt>".$outputmode->{'name'}."</dt>\n"; |
|
$Str .=" <dd>".$outputmode->{'description'}."</dd>\n"; |
|
} |
|
$Str .= "</dl>\n"; |
|
return $Str; |
|
} |
|
|
|
sub CreateAndParseOutputSelector { |
|
my ($elementname,$default,@OutputOptions) = @_; |
|
my $output_mode; |
|
my $show; |
|
my $Str = ''; |
|
# |
|
# Format for output options is 'mode, restrictions'; |
|
my $selected = $default; |
|
if (exists($ENV{'form.'.$elementname})) { |
|
if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) { |
|
$selected = $ENV{'form.'.$elementname}->[0]; |
|
} else { |
|
$selected = $ENV{'form.'.$elementname}; |
|
} |
|
} |
|
# |
|
# Set package variables describing output mode |
|
$output_mode = 'html'; |
|
$show = 'all'; |
|
foreach my $option (@OutputOptions) { |
|
next if ($option->{'value'} ne $selected); |
|
$output_mode = $option->{'mode'}; |
|
$show = $option->{'show'}; |
|
} |
|
# |
|
# Build the form element |
|
$Str = qq/<select size="5" name="$elementname">/; |
|
foreach my $option (@OutputOptions) { |
|
if (exists($option->{'special'}) && |
|
$option->{'special'} =~ /do not show/) { |
|
next; |
|
} |
|
$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
|
$Str .= " selected " if ($option->{'value'} eq $selected); |
|
$Str .= ">".&mt($option->{'name'})."<\/option>"; |
|
} |
|
$Str .= "\n</select>"; |
|
return ($Str,$output_mode,$show); |
|
} |
|
|
|
############################################### |
|
############################################### |
|
|
|
=pod |
|
|
|
=item &Gather_Student_Data() |
|
|
|
Ensures all student data is up to date. |
|
|
|
=cut |
|
|
|
############################################### |
|
############################################### |
|
sub Gather_Student_Data { |
|
my ($r) = @_; |
|
my $c = $r->connection(); |
|
# |
|
&Apache::loncoursedata::clear_internal_caches(); |
|
# |
|
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
|
# |
|
my @Students = @Apache::lonstatistics::Students; |
|
# |
|
# Open the progress window |
|
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
|
($r,'Statistics Compilation Status', |
|
'Statistics Compilation Progress', scalar(@Students)); |
|
# |
|
while (my $student = shift @Students) { |
|
return if ($c->aborted()); |
|
my ($status,undef) = &Apache::loncoursedata::ensure_current_data |
|
($student->{'username'},$student->{'domain'}, |
|
$ENV{'request.course.id'}); |
|
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
|
&mt('last student')); |
|
} |
|
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
$r->rflush(); |
$r->rflush(); |
} |
} |
|
|
|
############################################### |
|
############################################### |
|
|
# ================================================================ Main Handler |
=pod |
|
|
sub handler { |
=item &Gather_Full_Student_Data() |
$r=shift; |
|
|
Ensures all student data is up to date. |
|
|
if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
=cut |
# ------------------------------------------- Set document type for header only |
|
if ($r->header_only) { |
############################################### |
if ($ENV{'browser.mathml'}) { |
############################################### |
$r->content_type('text/xml'); |
sub Gather_Full_Student_Data { |
} |
my ($r,$formname,$inputname) = @_; |
else { |
my $status_type; |
$r->content_type('text/html'); |
if (defined($formname)) { |
} |
$status_type = 'inline'; |
$r->send_http_header; |
} else { |
return OK; |
$status_type = 'popup'; |
} |
} |
my $requrl=$r->uri; |
my $c = $r->connection(); |
# ----------------------------------------------------------------- Tie db file |
# |
|
&Apache::loncoursedata::clear_internal_caches(); |
undef %hash; |
# |
|
my @Students = @Apache::lonstatistics::Students; |
if ($ENV{'request.course.fn'}) { |
# |
my $fn=$ENV{'request.course.fn'}; |
# Open the progress window |
if (-e "$fn.db") { |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
($r,&mt('Student Data Compilation Status'), |
# ------------------------------------------------------------------- Hash tied |
&mt('Student Data Compilation Progress'), scalar(@Students), |
$r->content_type('text/html'); |
$status_type,undef,$formname,$inputname); |
$r->send_http_header; |
# |
&Menu(); |
while (my $student = shift @Students) { |
} |
return if ($c->aborted()); |
else { |
my ($status,undef) = &Apache::loncoursedata::ensure_current_full_data |
$r->content_type('text/html'); |
($student->{'username'},$student->{'domain'}, |
$r->send_http_header; |
$ENV{'request.course.id'}); |
$r->print('<html><body>Coursemap undefined.</body></html>'); |
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
} |
&mt('last student')); |
# ------------------------------------------------------------------ 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 { |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
$ENV{'user.error.msg'}= |
$r->rflush(); |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
} |
|
|
return HTTP_NOT_ACCEPTABLE; |
################################################## |
|
################################################## |
|
sub DisplayClasslist { |
|
my ($r)=@_; |
|
# |
|
# Output some of the standard interface components |
|
my $Str; |
|
$Str .= '<p><table cellspacing="5">'."\n"; |
|
$Str .= '<tr>'; |
|
$Str .= '<th align="center"><b>'.&mt('Sections').'</b></th>'; |
|
$Str .= '<th align="center"><b>'.&mt('Enrollment Status').'</b></th>'; |
|
$Str .= '</tr>'.$/; |
|
$Str .= '<tr>'; |
|
$Str .= '<td>'. |
|
&Apache::lonstatistics::SectionSelect('Section','multiple',5). |
|
'</td>'; |
|
$Str .= '<td>'. |
|
&Apache::lonhtmlcommon::StatusOptions(undef,undef,5). |
|
'</td>'; |
|
|
|
$Str .= '</tr>'.$/; |
|
$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'); |
|
# |
|
$Str = ''; |
|
if (! @Students) { |
|
if ($SelectedSections[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; |
|
} |
|
|
|
# "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(); |
|
# |
|
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 Excel spreadsheets 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; |
} |
} |
|
|
|
############################################## |
|
############################################## |
|
sub handler { |
|
my $r=shift; |
|
my $c = $r->connection(); |
|
# |
|
# Check for overloading |
|
my $loaderror=&Apache::lonnet::overloaderror($r); |
|
if ($loaderror) { return $loaderror; } |
|
$loaderror= |
|
&Apache::lonnet::overloaderror($r, |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
|
if ($loaderror) { return $loaderror; } |
|
# |
|
# Check for access |
|
if (! &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
|
$ENV{'user.error.msg'}= |
|
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
|
if (! &Apache::lonnet::allowed('vgr', |
|
$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) { |
|
$ENV{'user.error.msg'}= |
|
$r->uri.":vgr:0:0:Cannot view grades with given role"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
# |
|
# Send the header |
|
&Apache::loncommon::no_cache($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 |
|
$r->print('<html><head><title>'. |
|
&mt('Course Statistics and Charts'). |
|
"</title></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 = $ENV{'form.reportSelected'}; |
|
# |
|
# Set up the statistics and chart environment |
|
&PrepareCourseData($r); |
|
# |
|
$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__ |
|
|