version 1.41, 2003/10/16 15:24:49
|
version 1.42, 2003/10/17 22:05:45
|
Line 1
|
Line 1
|
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
# |
|
|
# $Id$ |
# $Id$ |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
Line 36 use Apache::loncoursedata();
|
Line 35 use Apache::loncoursedata();
|
use Apache::lonstatistics; |
use Apache::lonstatistics; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use HTML::Entities(); |
use HTML::Entities(); |
|
use Time::Local(); |
|
|
my $plotcolors = ['#33ff00', |
my $plotcolors = ['#33ff00', |
'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
'#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
Line 141 sub BuildProblemAnalysisPage {
|
Line 141 sub BuildProblemAnalysisPage {
|
} |
} |
} |
} |
|
|
|
|
######################################################### |
######################################################### |
######################################################### |
######################################################### |
## |
## |
Line 275 sub build_option_index {
|
Line 274 sub build_option_index {
|
'<td>'.$option.'</td>'. |
'<td>'.$option.'</td>'. |
"</tr>\n"); |
"</tr>\n"); |
} |
} |
|
shift(@Rows); # Throw away 'correct option chosen' color |
$table .= join('',reverse(@Rows)); |
$table .= join('',reverse(@Rows)); |
$table .= "</table>\n"; |
$table .= "</table>\n"; |
} |
} |
Line 300 sub tries_analysis {
|
Line 300 sub tries_analysis {
|
} |
} |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
my %ResponseData = &analyze_option_data_by_tries($PerformanceData, |
$mintries,$maxtries); |
$mintries,$maxtries); |
|
my $analysis = ''; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$analysis = &Tries_Foil_Analysis($mintries,$maxtries,$Foils, |
|
\%ResponseData,$ORdata); |
|
} else { |
|
$analysis = &Tries_Concept_Analysis($mintries,$maxtries, |
|
$Concepts,\%ResponseData,$ORdata); |
|
} |
|
$table .= $analysis; |
|
return $table; |
|
} |
|
|
|
sub Tries_Foil_Analysis { |
|
my ($mintries,$maxtries,$Foils,$respdat,$ORdata) = @_; |
|
my %ResponseData = %$respdat; |
# |
# |
# Compute the data neccessary to make the plots |
# Compute the data neccessary to make the plots |
my @PlotData; # Array which holds the data for each plot |
my @PlotData; |
# @{$PlotData[$try]->{'datasetname'}} holds the data for |
foreach my $foilid (@$Foils) { |
# try $try with respect to 'datasetname'. The array is |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
# filled either with per-foil or per-concept data. |
if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
my ($extrakey,$xlabel,$ylabel); |
push(@{$PlotData[$i]->{'_correct'}},0); |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
} else { |
$extrakey = &build_option_index($ORdata); |
push(@{$PlotData[$i]->{'_correct'}}, |
$xlabel = 'Foil Number'; |
100*$ResponseData{$foilid}->[$i]->{'_correct'}/ |
$ylabel = 'Percent Choosing Option'; |
$ResponseData{$foilid}->[$i]->{'_total'}); |
foreach my $foilid (@$Foils) { |
} |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
foreach my $option (@{$ORdata->{'Options'}}) { |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
push(@{$PlotData[$i]->{'_total'}}, |
push(@{$PlotData[$i]->{'_total'}}, |
$ResponseData{$foilid}->[$i]->{'_total'}); |
$ResponseData{$foilid}->[$i]->{'_total'}); |
if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) { |
push (@{$PlotData[$i]->{$option}},0); |
push (@{$PlotData[$i]->{$option}},0); |
} else { |
|
if ($ResponseData{$foilid}->[$i]->{'_total'} == |
|
$ResponseData{$foilid}->[$i]->{'_correct'}) { |
|
push(@{$PlotData[$i]->{$option}},0); |
} else { |
} else { |
push (@{$PlotData[$i]->{$option}}, |
push (@{$PlotData[$i]->{$option}}, |
100 * $ResponseData{$foilid}->[$i]->{$option} / |
100 * $ResponseData{$foilid}->[$i]->{$option} / |
$ResponseData{$foilid}->[$i]->{'_total'}); |
($ResponseData{$foilid}->[$i]->{'_total'} - |
|
$ResponseData{$foilid}->[$i]->{'_correct'})); |
} |
} |
} |
} |
} |
} |
} |
} |
} else { |
} |
# Concept analysis |
# |
# |
# Build a table for the plots |
# Note: we do not bother with characterizing the students incorrect |
my $analysis_html = "<table>\n"; |
# answers at the concept level because an incorrect answer for one foil |
my $foilkey = &build_option_index($ORdata); |
# may be a correct answer for another foil. |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
$extrakey = ''; |
my $count = $ResponseData{'_total'}->[$i]; |
$xlabel = 'Concept Number'; |
if ($count == 0) { |
$ylabel = 'Percent Correct'; |
$count = 'no submissions'; |
my %ConceptData; |
} elsif ($count == 1) { |
foreach my $concept (@{$Concepts}) { |
$count = '1 submission'; |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
} else { |
# |
$count = $count.' submissions'; |
# Gather the per-attempt data |
} |
my $cdata = $ConceptData{$concept}->[$i]; |
my $title = 'Attempt '.$i.', '.$count; |
foreach my $foilid (@{$concept->{'foils'}}) { |
my @Datasets; |
$cdata->{'_correct'} += |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
$ResponseData{$foilid}->[$i]->{'_correct'}; |
next if (! exists($PlotData[$i]->{$option})); |
$cdata->{'_total'} += |
push(@Datasets,$PlotData[$i]->{$option}); |
$ResponseData{$foilid}->[$i]->{'_total'}; |
} |
} |
my $correctgraph = &Apache::loncommon::DrawGraph |
push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
($title,'Foil Number','Percent Correct', |
if ($cdata->{'_total'} == 0) { |
100,$plotcolors,$Datasets[0]); |
push (@{$PlotData[$i]->{'_correct'}},0); |
$analysis_html.= '<tr><td>'.$correctgraph.'</td>'; |
} else { |
## |
push (@{$PlotData[$i]->{'_correct'}}, |
## |
100*$cdata->{'_correct'}/$cdata->{'_total'}); |
for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) { |
|
$Datasets[0]->[$i]=0; |
|
} |
|
$count = $ResponseData{'_total'}->[$i]-$ResponseData{'_correct'}->[$i]; |
|
if ($count == 0) { |
|
$count = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$count = '1 submission'; |
|
} else { |
|
$count = $count.' submissions'; |
|
} |
|
$title = 'Attempt '.$i.', '.$count; |
|
my $incorrectgraph = &Apache::loncommon::DrawGraph |
|
($title,'Foil Number','% Option Chosen Incorrectly', |
|
100,$plotcolors,@Datasets); |
|
$analysis_html.= '<td>'.$incorrectgraph.'</td>'; |
|
$analysis_html.= '<td>'.$foilkey."<td></tr>\n"; |
|
} |
|
$analysis_html .= "</table>\n"; |
|
return $analysis_html; |
|
} |
|
|
|
sub Tries_Concept_Analysis { |
|
my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_; |
|
my %ResponseData = %$respdat; |
|
my $analysis_html = "<table>\n"; |
|
# |
|
# Compute the data neccessary to make the plots |
|
my @PlotData; |
|
# Concept analysis |
|
# |
|
# Note: we do not bother with characterizing the students incorrect |
|
# answers at the concept level because an incorrect answer for one foil |
|
# may be a correct answer for another foil. |
|
my %ConceptData; |
|
foreach my $concept (@{$Concepts}) { |
|
for (my $i=$mintries;$i<=$maxtries;$i++) { |
|
# |
|
# Gather the per-attempt data |
|
my $cdata = $ConceptData{$concept}->[$i]; |
|
foreach my $foilid (@{$concept->{'foils'}}) { |
|
$cdata->{'_correct'} += |
|
$ResponseData{$foilid}->[$i]->{'_correct'}; |
|
$cdata->{'_total'} += |
|
$ResponseData{$foilid}->[$i]->{'_total'}; |
|
} |
|
push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'}); |
|
if ($cdata->{'_total'} == 0) { |
|
push (@{$PlotData[$i]->{'_correct'}},0); |
|
} else { |
|
push (@{$PlotData[$i]->{'_correct'}}, |
|
100*$cdata->{'_correct'}/$cdata->{'_total'}); |
} |
} |
} |
|
} |
} |
} # End of work to fill @PlotData |
} |
# |
|
# Build a table for the plots |
# Build a table for the plots |
$table .= "<table>\n"; |
|
my @Plots; |
|
for (my $i=$mintries;$i<=$maxtries;$i++) { |
for (my $i=$mintries;$i<=$maxtries;$i++) { |
my $minstu = $PlotData[$i]->{'_total'}->[0]; |
my $minstu = $PlotData[$i]->{'_total'}->[0]; |
my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
my $maxstu = $PlotData[$i]->{'_total'}->[0]; |
Line 375 sub tries_analysis {
|
Line 441 sub tries_analysis {
|
$maxstu = 0 if (! defined($maxstu)); |
$maxstu = 0 if (! defined($maxstu)); |
$minstu = 0 if (! defined($minstu)); |
$minstu = 0 if (! defined($minstu)); |
my $title; |
my $title; |
if ($maxstu == $minstu) { |
my $count = $ResponseData{'_total'}->[$i]; |
$title = 'Attempt '.$i.', '.$maxstu.' students'; |
if ($count == 0) { |
|
$count = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$count = '1 submission'; |
} else { |
} else { |
$title = 'Attempt '.$i.', '.$minstu.'-'.$maxstu.' students'; |
$count = $count.' submissions'; |
} |
} |
my @Datasets; |
$title = 'Attempt '.$i.', '.$count; |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
my $graphlink = &Apache::loncommon::DrawGraph |
next if (! exists($PlotData[$i]->{$option})); |
($title,'Concept Number','Percent Correct', |
push(@Datasets,$PlotData[$i]->{$option}); |
100,$plotcolors,$PlotData[$i]->{'_correct'}); |
} |
$analysis_html.= '<tr><td>'.$graphlink."</td></tr>\n"; |
my $graphlink = &Apache::loncommon::DrawGraph($title, |
|
$xlabel, |
|
$ylabel, |
|
100, |
|
$plotcolors, |
|
@Datasets); |
|
push(@Plots,$graphlink); |
|
} |
} |
# |
$analysis_html .= "</table>\n"; |
# Should this be something the user can set? Too many dialogs! |
return $analysis_html; |
while (my $plotlink = shift(@Plots)) { |
|
$table .= '<tr><td>'.$plotlink.'</td><td>'.$extrakey."</td></tr>\n"; |
|
} |
|
$table .= "</table>\n"; |
|
return ($table); |
|
} |
} |
|
|
sub analyze_option_data_by_tries { |
sub analyze_option_data_by_tries { |
Line 409 sub analyze_option_data_by_tries {
|
Line 466 sub analyze_option_data_by_tries {
|
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
$maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries); |
foreach my $row (@$PerformanceData) { |
foreach my $row (@$PerformanceData) { |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my $tries = &get_tries_from_row($row); |
next if ($grading eq 'MISSING_ANSWER'); |
my %Row = &Process_Row($row); |
my @Foilgrades = split('&',$grading); |
while (my ($foilid,$href) = each(%Row)) { |
my @Foilsubs = split('&',$submission); |
if (! ref($href)) { |
for (my $numtries = 1; $numtries <= $maxtries; $numtries++) { |
$Trydata{$foilid}->[$tries] += $href; |
if ($tries == $numtries) { |
next; |
for (my $i=0;$i<=$#Foilgrades;$i++) { |
} |
my ($foilid,$correct) = split('=',$Foilgrades[$i]); |
while (my ($option,$value) = each(%$href)) { |
my (undef,$submission) = split('=',$Foilsubs[$i]); |
$Trydata{$foilid}->[$tries]->{$option}+=$value; |
$submission = &Apache::lonnet::unescape($submission); |
|
if ($correct) { |
|
$Trydata{$foilid}->[$numtries]->{'_correct'}++; |
|
} else { |
|
$Trydata{$foilid}->[$numtries]->{$submission}++; |
|
} |
|
$Trydata{$foilid}->[$numtries]->{'_total'}++; |
|
} |
|
} |
} |
} |
} |
} |
} |
Line 441 sub analyze_option_data_by_tries {
|
Line 490 sub analyze_option_data_by_tries {
|
######################################################### |
######################################################### |
sub time_analysis { |
sub time_analysis { |
my ($PerformanceData,$ORdata) = @_; |
my ($PerformanceData,$ORdata) = @_; |
my $num_plots = $ENV{'form.NumPlots'}; |
|
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
my ($table,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) { |
|
$table = '<h3>'. |
|
&mt('Not enough data for concept analysis. '. |
|
'Performing Foil Analysis'). |
|
'</h3>'.$table; |
|
$ENV{'form.AnalyzeAs'} = 'Foils'; |
|
} |
|
my $num_plots = $ENV{'form.NumPlots'}; |
my $num_data = scalar(@$PerformanceData)-1; |
my $num_data = scalar(@$PerformanceData)-1; |
my $percent = sprintf('%2f',100/$num_plots); |
my $percent = sprintf('%2f',100/$num_plots); |
my $extratable = ''; |
# |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$extratable = &build_option_index($ORdata); |
|
} |
|
$table .= "<table>\n"; |
$table .= "<table>\n"; |
for (my $i=0;$i<$num_plots;$i++) { |
for (my $i=0;$i<$num_plots;$i++) { |
|
## |
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
('startdate_'.$i); |
('startdate_'.$i); |
my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
('enddate_'.$i); |
('enddate_'.$i); |
my ($begin_index,$end_index,$plottitle,$plothtml,$data); |
|
if (! defined($starttime) || ! defined($endtime)) { |
if (! defined($starttime) || ! defined($endtime)) { |
$begin_index = $i*int($num_data/$num_plots); |
my $sec_in_day = 86400; |
$end_index = ($i+1)*int($num_data/$num_plots); |
my $last_sub_time = &get_time_from_row($PerformanceData->[-1]); |
my $lownum = sprintf('%2.1f',$i*$percent); |
my ($sday,$smon,$syear); |
$lownum =~ s/(\.0)$//; |
(undef,undef,undef,$sday,$smon,$syear) = |
my $highnum = sprintf('%2.1f',($i+1)*$percent); |
localtime($last_sub_time - $sec_in_day*$i); |
$highnum =~ s/(\.0)$//; |
$starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear); |
$plottitle = $lownum.'% to '.$highnum.'% of submissions'; |
$endtime = $starttime + $sec_in_day; |
} else { |
if ($i == ($num_plots -1 )) { |
my $j; |
$starttime = &get_time_from_row($PerformanceData->[0]); |
while (++$j < scalar(@$PerformanceData)) { |
} |
last if ($PerformanceData->[$j]->[2] > $starttime); |
} |
} |
|
$begin_index = $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if ($PerformanceData->[$j]->[2] > $endtime); |
|
} |
|
$end_index = $j; |
|
$plottitle = $ENV{'form.plottitle_'.$i}; |
|
} |
|
($plothtml,$starttime,$endtime,$data) = |
|
&analyze_option_data_by_time($PerformanceData, |
|
$begin_index,$end_index, |
|
$plottitle,$Foils, |
|
$Concepts,$ORdata); |
|
my $startdateform = &Apache::lonhtmlcommon::date_setter |
my $startdateform = &Apache::lonhtmlcommon::date_setter |
('Statistics','startdate_'.$i,$starttime); |
('Statistics','startdate_'.$i,$starttime); |
my $enddateform = &Apache::lonhtmlcommon::date_setter |
my $enddateform = &Apache::lonhtmlcommon::date_setter |
('Statistics','enddate_'.$i,$endtime); |
('Statistics','enddate_'.$i,$endtime); |
$table.="<tr><td>".$plothtml.'</td><td align="left" valign="top">'. |
# |
"<b>Start Time</b>: ".$startdateform."<br />". |
my $begin_index; |
"<b>End Time</b> : "." ".$enddateform."<br />". |
my $end_index; |
'<b>Plot Title</b> :'.(" "x3). |
my $j; |
'<input type="text" size="30" name="plottitle_'.$i.'" value="'. |
while (++$j < scalar(@$PerformanceData)) { |
&HTML::Entities::encode($plottitle).'" /><br />'.$extratable. |
last if (&get_time_from_row($PerformanceData->[$j]) > $starttime); |
"</td></tr>\n"; |
} |
|
$begin_index = $j; |
|
while (++$j < scalar(@$PerformanceData)) { |
|
last if (&get_time_from_row($PerformanceData->[$j]) > $endtime); |
|
} |
|
$end_index = $j; |
|
## |
|
my $interval = { |
|
begin_index => $begin_index, |
|
end_index => $end_index, |
|
startdateform => $startdateform, |
|
enddateform => $enddateform, |
|
}; |
|
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
|
$table .= &Foil_Time_Analysis($PerformanceData,$ORdata,$Foils, |
|
$interval); |
|
} else { |
|
$table .= &Concept_Time_Analysis($PerformanceData,$ORdata, |
|
$Concepts,$interval); |
|
} |
} |
} |
$table .="</table>\n"; |
# |
return $table; |
return $table; |
} |
} |
|
|
sub analyze_option_data_by_time { |
sub Foil_Time_Analysis { |
my ($PerformanceData,$begin_index, |
my ($PerformanceData,$ORdata,$Foils,$interval) = @_; |
$end_index,$description,$Foils,$Concepts,$ORdata) = @_; |
my $analysis_html; |
|
my $foilkey = &build_option_index($ORdata); |
|
my ($begin_index,$end_index) = ($interval->{'begin_index'}, |
|
$interval->{'end_index'}); |
my %TimeData; |
my %TimeData; |
# |
# |
# Get the start and end times for this segment of the plot |
|
my $starttime = $PerformanceData->[$begin_index]->[2]; |
|
my $endtime = $PerformanceData->[$end_index ]->[2]; |
|
# |
|
# Compute the number getting the foils correct or incorrects |
# Compute the number getting the foils correct or incorrects |
for (my $i=$begin_index;$i<=$end_index;$i++) { |
for (my $j=$begin_index;$j<=$end_index;$j++) { |
my $row = $PerformanceData->[$i]; |
my $row = $PerformanceData->[$j]; |
next if (! defined($row)); |
next if (! defined($row)); |
my ($grading,$submission,$time,$tries) = @$row; |
my %Row = &Process_Row($row); |
next if ($grading eq 'MISSING_ANSWER'); |
while (my ($foilid,$href) = each(%Row)) { |
my @Foilgrades = split('&',$grading); |
if (! ref($href)) { |
my @Foilsubs = split('&',$submission); |
$TimeData{$foilid} += $href; |
for (my $j=0;$j<=$#Foilgrades;$j++) { |
next; |
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
} |
my (undef,$submission) = split('=',$Foilsubs[$j]); |
while (my ($option,$value) = each(%$href)) { |
if ($correct) { |
$TimeData{$foilid}->{$option}+=$value; |
$TimeData{$foilid}->{'_correct'}++; |
|
} else { |
|
$submission = &HTML::Entities::decode($submission); |
|
$submission =~ s/\%20/ /g; |
|
$TimeData{$foilid}->{$submission}++; |
|
} |
} |
$TimeData{$foilid}->{'_total'}++; |
|
} |
} |
} |
} |
# |
|
# Compute the total and percent correct |
|
my @Plotdata; |
my @Plotdata; |
my ($xlabel,$ylabel); |
foreach my $foil (@$Foils) { |
if ($ENV{'form.AnalyzeAs'} eq 'Foils') { |
my $total = $TimeData{$foil}->{'_total'}; |
$xlabel = 'Foil Number'; |
if ($total == 0) { |
$ylabel = 'Option Chosen'; |
push(@{$Plotdata[0]},0); |
foreach my $foil (@$Foils) { |
} else { |
my $total = $TimeData{$foil}->{'_total'}; |
push(@{$Plotdata[0]}, |
my $optionidx = 0; |
100 * $TimeData{$foil}->{'_correct'} / $total); |
foreach my $option ('_correct',@{$ORdata->{'Options'}}) { |
} |
if ($total > 0) { |
my $total_incorrect = $total - $TimeData{$foil}->{'_correct'}; |
push(@{$Plotdata[$optionidx]}, |
my $optionidx = 1; |
100 * $TimeData{$foil}->{$option} / $total); |
foreach my $option (@{$ORdata->{'Options'}}) { |
} else { |
if ($total_incorrect == 0) { |
push(@{$Plotdata[$optionidx]},0); |
push(@{$Plotdata[$optionidx]},0); |
} |
} else { |
} continue { |
push(@{$Plotdata[$optionidx]}, |
$optionidx++; |
100 * $TimeData{$foil}->{$option} / $total_incorrect); |
} |
} |
|
} continue { |
|
$optionidx++; |
} |
} |
|
} |
|
# |
|
# Create the plot |
|
my $count = $end_index-$begin_index; |
|
my $title; |
|
if ($count == 0) { |
|
$title = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$title = 'one submission'; |
|
} else { |
|
$title = $count.' submissions'; |
|
} |
|
my $correctplot = &Apache::loncommon::DrawGraph($title, |
|
'Foil Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
$Plotdata[0]); |
|
for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) { |
|
$Plotdata[0]->[$j]=0; |
|
} |
|
$count = $end_index-$begin_index-$TimeData{'_correct'}; |
|
if ($count == 0) { |
|
$title = 'no submissions'; |
|
} elsif ($count == 1) { |
|
$title = 'one submission'; |
} else { |
} else { |
$xlabel = 'Concept Number'; |
$title = $count.' submissions'; |
$ylabel = 'Percent Correct'; |
} |
foreach my $concept (@$Concepts) { |
my $incorrectplot = &Apache::loncommon::DrawGraph($title, |
my $correct; |
'Foil Number', |
my $total; |
'Incorrect Option Choice', |
foreach my $foil (@{$concept->{'foils'}}) { |
100, |
$correct+=$TimeData{$foil}->{'_correct'}; |
$plotcolors, |
$total +=$TimeData{$foil}->{'_total'}; |
@Plotdata); |
|
$analysis_html.='<tr>'. |
|
'<td>'.$correctplot.'</td>'. |
|
'<td>'.$incorrectplot.'</td>'. |
|
'<td align="left" valign="top">'.$foilkey.'</td>'."</tr>\n"; |
|
$analysis_html.= '<tr>'.'<td colspan="3">'. |
|
'<b>Start Time</b>:'. |
|
' '.$interval->{'startdateform'}.'<br />'. |
|
'<b>End Time</b> : '. |
|
' '.$interval->{'enddateform'}.'<br />'. |
|
# '<b>Plot Title</b> :'. |
|
# (" "x3).$interval->{'titleform'}. |
|
'</td>'. |
|
"</tr>\n"; |
|
return $analysis_html; |
|
} |
|
|
|
sub Concept_Time_Analysis { |
|
my ($PerformanceData,$ORdata,$Concepts,$interval) = @_; |
|
my $analysis_html; |
|
## |
|
## Determine starttime, endtime, startindex, endindex |
|
my ($begin_index,$end_index) = ($interval->{'begin_index'}, |
|
$interval->{'end_index'}); |
|
my %TimeData; |
|
# |
|
# Compute the number getting the foils correct or incorrects |
|
for (my $j=$begin_index;$j<=$end_index;$j++) { |
|
my $row = $PerformanceData->[$j]; |
|
next if (! defined($row)); |
|
my %Row = &Process_Row($row); |
|
while (my ($foilid,$href) = each(%Row)) { |
|
if (! ref($href)) { |
|
$TimeData{$foilid} += $href; |
|
next; |
} |
} |
if ($total > 0) { |
while (my ($option,$value) = each(%$href)) { |
push(@{$Plotdata[0]},100 * $correct / $total); |
$TimeData{$foilid}->{$option}+=$value; |
} else { |
|
push(@{$Plotdata[0]},0); |
|
} |
} |
} |
} |
} |
} |
# |
# |
# Create the plot |
# Put the data in plottable form |
my $graphlink = &Apache::loncommon::DrawGraph |
my @Plotdata; |
($description,#'Time Interval Analysis', |
foreach my $concept (@$Concepts) { |
$xlabel, |
my ($total,$correct); |
$ylabel, |
foreach my $foil (@{$concept->{'foils'}}) { |
100, |
$total += $TimeData{$foil}->{'_total'}; |
$plotcolors, |
$correct += $TimeData{$foil}->{'_correct'}; |
@Plotdata); |
} |
|
if ($total == 0) { |
|
push(@Plotdata,0); |
|
} else { |
|
push(@Plotdata,100 * $correct / $total); |
|
} |
|
} |
# |
# |
return ($graphlink,$starttime,$endtime,\%TimeData); |
# Create the plot |
|
my $title = ($end_index - $begin_index).' submissions'; |
|
my $correctplot = &Apache::loncommon::DrawGraph($title, |
|
'Concept Number', |
|
'Percent Correct', |
|
100, |
|
$plotcolors, |
|
\@Plotdata); |
|
$analysis_html.='<tr>'. |
|
'<td>'.$correctplot.'</td>'. |
|
'<td align="left" valign="top">'. |
|
'<b>Start Time</b>: '.$interval->{'startdateform'}.'<br />'. |
|
'<b>End Time</b> : '. |
|
' '.$interval->{'enddateform'}.'<br />'. |
|
# '<b>Plot Title</b> :'.(" "x3). |
|
# $interval->{'titleform'}. |
|
'</td>'. |
|
"</tr>\n"; |
|
return $analysis_html; |
|
} |
|
|
|
######################################################### |
|
######################################################### |
|
## |
|
## Excel output |
|
## |
|
######################################################### |
|
######################################################### |
|
sub prepare_excel_sheet { |
|
my ($PerformanceData,$ORdata) = @_; |
|
my (undef,$Foils,$Concepts) = &build_foil_index($ORdata); |
|
} |
|
|
|
sub process_data_for_excel_sheet { |
|
my ($PerformanceData,$Foils,$Concepts,$ORdata)=@_; |
} |
} |
|
|
######################################################### |
######################################################### |
Line 677 sub CreateInterface {
|
Line 827 sub CreateInterface {
|
## |
## |
$Str .= '</tr>'."\n"; |
$Str .= '</tr>'."\n"; |
$Str .= '</table>'."\n"; |
$Str .= '</table>'."\n"; |
return ($Str); |
return $Str; |
} |
} |
|
|
sub OptionResponseProblemSelector { |
sub OptionResponseProblemSelector { |
Line 749 sub get_resource_from_symb {
|
Line 899 sub get_resource_from_symb {
|
return undef; |
return undef; |
} |
} |
|
|
|
sub get_time_from_row { |
|
my ($row) = @_; |
|
if (ref($row)) { |
|
return $row->[3]; |
|
} |
|
return undef; |
|
} |
|
|
|
sub get_tries_from_row { |
|
my ($row) = @_; |
|
if (ref($row)) { |
|
return $row->[4]; |
|
} |
|
return undef; |
|
} |
|
|
|
sub Process_Row { |
|
my ($row) = @_; |
|
my %RowData; |
|
my ($award,$grading,$submission,$time,$tries) = @$row; |
|
next if ($award eq 'MISSING_ANSWER'); |
|
if ($award =~ /(APPROX_ANS|EXACT_ANS)/) { |
|
$RowData{'_correct'} = 1; |
|
} |
|
$RowData{'_total'} = 1; |
|
my @Foilgrades = split('&',$grading); |
|
my @Foilsubs = split('&',$submission); |
|
for (my $j=0;$j<=$#Foilgrades;$j++) { |
|
my ($foilid,$correct) = split('=',$Foilgrades[$j]); |
|
my (undef,$submission) = split('=',$Foilsubs[$j]); |
|
if ($correct) { |
|
$RowData{$foilid}->{'_correct'}++; |
|
} else { |
|
$submission = &Apache::lonnet::unescape($submission); |
|
$submission =~ s/\%20/ /g; |
|
$RowData{$foilid}->{$submission}++; |
|
} |
|
$RowData{$foilid}->{'_total'}++; |
|
} |
|
return %RowData; |
|
} |
|
|
## |
## |
## get problem data and put it into a useful data structure. |
## get problem data and put it into a useful data structure. |
## note: we must force each foil and option to not begin or end with |
## note: we must force each foil and option to not begin or end with |