'."\n");
$r->rflush();
-}
-
-
-
-# ------ Dump the Student's DB file and handling the data for statistics table
-sub ExtractStudentData {
- my ($cache,$name,$list,$Discuss,$r)=@_;
- my %discriminantFactor;
-
- my $totalTries = 0;
- my $totalAwarded = 0;
- my $tempProblemOrder=0;
- my $spent=0;
- my $spent_yes=0;
- my $TotDiscuss=0;
- my $TotalOpend = 0;
- my $ProbSolved = 0;
- my $ProbTot = 0;
- my $TotFirst = 0;
- my $TimeTot = 0;
- my $Discussed=0;
-
-$Apache::lonxml::debug=1;
-#&Apache::lonhomework::showhash(%$cache);
-$Apache::lonxml::debug=0;
-
- foreach my $sequence (split(':', $cache->{'orderedSequences'})) {
-# if($cache->{'ProblemStatisticsMap'} ne 'All Maps' &&
-# $cache->{'ProblemStatisticsMap'} ne $cache->{$sequence.':title'}) {
- $r->print(" $name --- $sequence");
- $r->print(" ".$cache->{$sequence.':title'});
-# next;
-# }
-
- my $Dis = '';
- foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
- my $problem = $cache->{$problemID.':problem'};
- $r->print(" $problemID === $problem");
- my $LatestVersion = $cache->{$name.':version:'.$problem};
- # Output dashes for all the parts of this problem if there
- # is no version information about the current problem.
- #if(!$LatestVersion) {
- # foreach my $part (split(/\:/,$cache->{$sequence.':'.
- # $problemID.
- # ':parts'})) {
- # $codes .= "-,";
- # $attempts .= "0,";
- # }
- # next;
- #}
-
- my %partData=undef;
- # Initialize part data, display skips correctly
- # Skip refers to when a student made no submissions on that
- # part/problem.
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
- $partData{$part.':tries'}=0;
- $partData{$part.':code'}='-';
+ #
+ # Compile the data
+ my @Statsarray;
+ foreach my $sequence (@Sequences) {
+ next if ($sequence->{'num_assess'}<1);
+ foreach my $resource (@{$sequence->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ foreach my $part (@{$resource->{'parts'}}) {
+ $problem_num++;
+ my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD,
+ $SKEW) = &Apache::loncoursedata::get_problem_statistics
+ (undef,$resource->{'symb'},$part,
+ $ENV{'request.course.id'});
+ #
+ $show_part = 1 if ($part ne '0');
+ $part = ' ' if ($part == 0);
+ #
+ my $wrongpercent = 0;
+ if (defined($num) && $num > 0) {
+ $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;
+ }
+ push (@Statsarray,
+ { 'sequence' => $sequence,
+ 'resource' => $resource,
+ 'Title' => $resource->{'title'},
+ 'Part' => $part,
+ '#Stdnts' => $num,
+ 'Tries' => $tries,
+ 'Mod' => $mod,
+ 'Mean' => $mean,
+ '#YES' => $Solved,
+ '#yes' => $solved,
+ '%Wrng' => $wrongpercent,
+ 'DoDiff' => $DegOfDiff,
+ 'S.D.' => $STD,
+ 'Skew' => $SKEW,
+ 'problem_num' => $problem_num,
+ });
}
-
- # Looping through all the versions of each part, starting with the
- # oldest version. Basically, it gets the most recent
- # set of grade data for each part.
- for(my $Version=1; $Version<=$LatestVersion; $Version++) {
- foreach my $part (split(/\:/,$cache->{$sequence.':'.
- $problemID.
- ':parts'})) {
-
- if(!defined($cache->{$name.":$Version:$problem".
- ":resource.$part.solved"})) {
- # No grade for this submission, so skip
- next;
- }
-
- my $tries=0;
- my $time=0;
- my $awarded=0;
- $Discussed=0;
- my $code='U';
-
- $awarded = $cache->{$name.
- "$Version:$problem:resource.".
- "$part.awarded"};
- $partData{$part.':awarded'} = ($awarded) ? $awarded : 0;
- $totalAwarded += $awarded;
-
- $tries = $cache->{$name.":$Version:$problem".
- ":resource.$part.tries"};
- $partData{$part.':tries'} = ($tries) ? $tries : 0;
- $partData{$part.':wrong'} = $partData{$part.':tries'};
- $totalTries += $tries;
-
- my $val = $cache->{$name.":$Version:$problem".
- ":resource.$part.solved"};
- if ($val eq 'correct_by_student') {$code = 'C';}
- elsif ($val eq 'correct_by_override') {$code = 'O';}
- elsif ($val eq 'incorrect_attempted') {$code = 'I';}
- elsif ($val eq 'incorrect_by_override'){$code = 'I';}
- elsif ($val eq 'excused') {$code = 'x';}
- $partData{$part.':code'}=$code;
- if($partData{$part.':wrong'} ne 0 &&
- ($code eq 'C' || $code eq 'O')) {
- $partData{$part.':wrong'}--;
+ }
+ }
+ #
+ # Table Headers
+ $r->print(''."\n");
+ my $Str = '';
+ foreach (@Header) {
+ next if ($_ eq 'Part' && !$show_part);
+ # Do not allow sorting on some fields
+ if ($_ eq $sortby || /^(Part|P\#)$/) {
+ $Str .= ''.$_.' | ';
+ } else {
+ $Str .= ''.
+ ''.
+ $_.' | ';
+ }
+ }
+ $r->print(''.$Str." \n");
+ #
+ # Sort the data
+ my @OutputOrder;
+ if ($sortby eq 'Container') {
+ @OutputOrder = @Statsarray;
+ } else {
+ # $sortby is already defined, so we can charge ahead
+ if ($sortby =~ /^(title|part)$/i) {
+ # Alpha comparison
+ @OutputOrder = sort {
+ lc($a->{$sortby}) cmp lc($b->{$sortby}) ||
+ lc($a->{'Title'}) cmp lc($b->{'Title'}) ||
+ lc($a->{'Part'}) cmp lc($b->{'Part'});
+ } @Statsarray;
+ } else {
+ # Numerical comparison
+ @OutputOrder = sort {
+ my $retvalue = 0;
+ if ($b->{$sortby} eq 'nan') {
+ if ($a->{$sortby} ne 'nan') {
+ $retvalue = -1;
+ } else {
+ $retvalue = 0;
}
}
- }
-
- # Loop through all the parts for the current problem in the
- # correct order and prepare the output
- foreach (split(/\:/,$cache->{$sequence.':'.$problemID.
- ':parts'})) {
- my $Yes = 0;
- if($partData{$_.':code'} eq 'C' ||
- $partData{$_.':code'} eq 'O') {
- $Yes=1;
+ if ($a->{$sortby} eq 'nan') {
+ if ($b->{$sortby} ne 'nan') {
+ $retvalue = 1;
+ }
}
- my $ptr = $tempProblemOrder.'&'.$problemID;
-
- if($_ > 1) {
- $ptr .= "*(part $_)";
- $Dis .= '&';
+ if ($retvalue eq '0') {
+ $retvalue = $b->{$sortby} <=> $a->{$sortby} ||
+ lc($a->{'Title'}) <=> lc($b->{'Title'}) ||
+ lc($a->{'Part'}) <=> lc($b->{'Part'});
}
+ $retvalue;
+ } @Statsarray;
+ }
+ }
+ $option .= ',no part' if (! $show_part);
+ foreach my $row (@OutputOrder) {
+ $r->print('');
+ if (defined($option) && $option =~ /show probnum/) {
+ $r->print(''.$row->{'problem_num'}.' | ');
+ }
+ if ($show_container) {
+ $r->print(''
+ .$row->{'sequence'}->{'title'}.' | ');
+ }
+ $r->print(&statistics_html_table_data
+ ($row->{'resource'},$row->{'Part'},$row->{'#Stdnts'},
+ $row->{'Tries'},$row->{'Mod'},$row->{'Mean'},
+ $row->{'#YES'},$row->{'#yes'},$row->{"\%Wrng"},
+ $row->{'DoDiff'},$row->{'S.D.'},$row->{'Skew'},
+ $option));
- my ($pr_no,$dod)=split('&',$ptr);
-# my $DoDiff=$DoDiff->{$dod};
-# $r->print(' '.$name.'---'.$ptr.'==='.$DoDiff);
-
- my $Fac = ($partData{$_.':Tries'}) ?
- ($partData{$_.':awarded'}/$partData{$_.':tries'}) : 0;
- my $DisF;
- if($Fac > 0 && $Fac < 1) {
- $DisF = sprintf( "%.4f", $Fac );
- } else {
- $DisF = $Fac;
- }
+ $r->print(" \n");
+ }
+ $r->print(" \n");
+ $r->print(" |