version 1.111, 2005/02/16 17:43:20
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version 1.114, 2005/02/22 22:51:16
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Line 260 sub numerical_response_analysis {
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Line 260 sub numerical_response_analysis {
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$respid,$students); |
$respid,$students); |
if ($c->aborted()) { return; }; |
if ($c->aborted()) { return; }; |
# |
# |
my $responses = &numerical_classify_responses($response_data,$correct, |
my ($responses,$stats) = |
$restriction_function); |
&numerical_classify_responses($response_data,$correct, |
if ($responses->{'_count'} == 0) { |
$restriction_function); |
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if ($stats->{'submission_count'} == 0) { |
$analysis_html.= |
$analysis_html.= |
'<tr><td colspan="2"><font size="+1"><b>'. |
'<tr><td colspan="2"><font size="+1"><b>'. |
&mt($no_data_message,$plot_num,@extra_data). |
&mt($no_data_message,$plot_num,@extra_data). |
Line 274 sub numerical_response_analysis {
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Line 275 sub numerical_response_analysis {
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'</b></font></td></tr>'. |
'</b></font></td></tr>'. |
'<tr><td colspan="2" align="center">'. |
'<tr><td colspan="2" align="center">'. |
&mt($stats_message, |
&mt($stats_message, |
$responses->{'_count'}, |
$stats->{'submission_count'}, |
$responses->{'_correct'}, |
$stats->{'correct_count'}, |
$responses->{'_count'}-$responses->{'_correct'}, |
$stats->{'incorrect_count'}, |
$responses->{'_students'}, |
$stats->{'students'}, |
@extra_data). |
@extra_data). |
'</td></tr>'. |
'</td></tr>'. |
'<tr>'.'<td valign="top" align="center">'. |
'<tr>'.'<td valign="top" align="center">'. |
&numerical_plot_percent($r,$responses).'</td>'. |
&numerical_plot_percent($r,$responses,$stats).'</td>'. |
'<td align="center" valign="top">'. |
'<td align="center" valign="top">'. |
&numerical_plot_differences($r,$responses).'</td>'. |
&numerical_plot_differences($r,$responses,$stats).'</td>'. |
'</tr>'; |
'</tr>'; |
} |
} |
if ($post_message ne '') { |
if ($post_message ne '') { |
Line 298 sub numerical_response_analysis {
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Line 299 sub numerical_response_analysis {
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} |
} |
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sub numerical_plot_percent { |
sub numerical_plot_percent { |
my ($r,$responses) = @_; |
my ($r,$responses,$stats) = @_; |
# |
# |
my $total = $responses->{'_count'}; |
my $total = $stats->{'submission_count'}; |
return '' if ($total == 0); |
return '' if ($total == 0); |
my $minbin = 5; |
my $max_bins = 50; |
while (my ($interval,$submissions) = each(%$responses)) { |
my $lowest_percent = $stats->{'min_percent'}; |
next if ($interval =~ /^_/); |
my $highest_percent = $stats->{'max_percent'}; |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
my $percent_spread = $highest_percent - $lowest_percent; |
my $low_percent = abs(100*($ans-$ans_low)/$ans); |
foreach (qw/20 30 40 50 100 200/) { |
my $high_percent = abs(100*($ans_high-$ans)/$ans); |
if ($percent_spread < $_) { |
if ($minbin > $high_percent) { $minbin = $high_percent; } |
$highest_percent =$_/2; |
if ($minbin > $low_percent) { $minbin = $low_percent; } |
last; |
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} |
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} |
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my $bin_size = 1; |
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foreach (qw/0.01 0.05 0.1 0.5 1 2 5 10 20 25 50 100/) { |
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if ($lowest_percent/2 < $_){ |
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$bin_size = $_; |
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last; |
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} |
} |
} |
# |
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my @bins; |
my @bins; |
if ($minbin < 1) { |
for (my $bin = -$highest_percent;$bin<0;$bin+=$bin_size) { |
@bins = ('0.1','0.5','1.0','1.5','2.0','2.5','3.0','4.0','5.0',10,20,50,100); |
push (@bins,$bin); |
} elsif ($minbin < 2) { |
} |
@bins = ('0.5','1.0','1.5','2.0','2.5','3.0','4.0','5.0',10,20,50,100); |
for (my $bin = 0; $bin<$highest_percent;$bin+=$bin_size) { |
} elsif ($minbin < 5) { |
push (@bins,$bin); |
@bins = (1,2,3,4,5,10,25,50,75,100,200); |
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} elsif ($minbin < 10) { |
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@bins = (2,4,6,8,10,12,15,20,25,30,50,75,100,200); |
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} else { |
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@bins = (5,10,15,20,25,30,50,75,100,200); |
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} |
} |
my @labels = (1..scalar(@bins)); |
push(@bins,$highest_percent); |
# |
# |
my @correct; |
my @correct; |
my @incorrect; |
my @incorrect; |
my @count; |
my @count; |
while (my ($interval,$submissions) = each(%$responses)) { |
while (my ($ans,$submissions) = each(%$responses)) { |
next if ($interval =~ /^_/); |
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my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
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while (my ($submission,$counts) = each(%$submissions)) { |
while (my ($submission,$counts) = each(%$submissions)) { |
my ($correct_count,$incorrect_count) = @$counts; |
my ($correct_count,$incorrect_count) = @$counts; |
my $scaled_value = abs(($submission-$ans)/$ans); |
my $scaled_value = 100*($submission-$ans)/abs($ans); |
my $bin=0; |
if ($scaled_value < $bins[0]) { |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
$bins[0]=$scaled_value -1; |
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} |
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my $bin; |
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for ($bin=0;$bin<$#bins;$bin++) { |
last if ($bins[$bin]>$scaled_value); |
last if ($bins[$bin]>$scaled_value); |
} |
} |
$correct[$bin]+=$correct_count; |
$correct[$bin-1]+=$correct_count; |
$incorrect[$bin]+=$incorrect_count; |
$incorrect[$bin-1]+=$incorrect_count; |
$count[$bin]+=$correct_count+$incorrect_count; |
$count[$bin-1]+=$correct_count+$incorrect_count; |
} |
} |
} |
} |
# |
# |
my @plot_correct; |
my @plot_correct = @correct; |
my @plot_incorrect; |
my @plot_incorrect = @incorrect; |
for (my $i=0;$i<=$#bins;$i++) { |
my $max; |
$plot_correct[$i] = $correct[$i]*100/$total; |
for (my $i=0;$i<$#bins;$i++) { |
$plot_incorrect[$i] = $incorrect[$i]*100/$total; |
$plot_correct[$i] *= 100/$total; |
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$plot_incorrect[$i] *= 100/$total; |
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if (! defined($max) || |
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$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
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$max = $plot_correct[$i]+$plot_incorrect[$i]; |
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} |
} |
} |
my $title = &mt('Distribution by Percent'); |
foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
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if ($max <$_) { $max = $_; last; } |
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} |
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# |
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my $title = &mt('Percent Difference'); |
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my @labels = (1..scalar(@bins)-1); |
my $graph = &Apache::loncommon::DrawBarGraph |
my $graph = &Apache::loncommon::DrawBarGraph |
($title,'Percent difference from correct','Number of answers', |
($title,'Percent Difference from Correct','Percent of Answers', |
100,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
{xskip=>1}); |
{xskip=>1}); |
# |
# |
my $table = $graph.$/. |
my $table = $graph.$/. |
Line 363 sub numerical_plot_percent {
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Line 377 sub numerical_plot_percent {
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} |
} |
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sub numerical_plot_differences { |
sub numerical_plot_differences { |
my ($r,$responses) = @_; |
my ($r,$responses,$stats) = @_; |
# |
# |
my $total = $responses->{'_count'}; |
my $total = $stats->{'submission_count'}; |
return '' if ($total == 0); |
return '' if ($total == 0); |
my $minbin = undef; |
my $max_bins = 21; |
my $maxbin = undef; |
my $min_bin_size = $stats->{'min_abs'}; |
while (my ($interval,$submissions) = each(%$responses)) { |
my $low_bin = $stats->{'lowest_ans'}-$stats->{'max_bin_size'}; |
next if ($interval =~ /^_/); |
my $high_bin = $stats->{'highest_ans'}+$stats->{'max_bin_size'}; |
my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
if ($high_bin > 0 && $low_bin > -$high_bin) { |
my $low_diff = abs($ans-$ans_low); |
$low_bin = -$high_bin; |
my $high_diff = abs($ans_high-$ans); |
} elsif ($low_bin < 0 && $high_bin < -$low_bin) { |
if (! defined($maxbin)) { $maxbin = $low_diff;} |
$high_bin = -$low_bin; |
if (! defined($minbin)) { $minbin = $low_diff;} |
} |
# |
if (($high_bin -$low_bin)/$min_bin_size * 2 > $max_bins) { |
if ($minbin > $high_diff) { $minbin = $high_diff; } |
$min_bin_size = abs($high_bin - $low_bin) / $max_bins * 2; |
if ($minbin > $low_diff ) { $minbin = $low_diff; } |
} |
# |
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if ($maxbin < $high_diff) { $maxbin = $high_diff; } |
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if ($maxbin < $low_diff ) { $maxbin = $low_diff; } |
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} |
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# |
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my @bins; |
my @bins; |
my @labels; |
for (my $num = $low_bin;$num <= $high_bin;$num+=($min_bin_size/2)) { |
# Hmmmm, should switch to absolute difference |
push(@bins,$num); |
for (my $i=1;$i<=20;$i++) { |
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push(@bins,$i*$minbin/2); |
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push(@labels,$i); |
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} |
} |
# |
# |
my @correct; |
my @correct; |
my @incorrect; |
my @incorrect; |
my @count; |
my @count; |
while (my ($interval,$submissions) = each(%$responses)) { |
while (my ($ans,$submissions) = each(%$responses)) { |
next if ($interval =~ /^_/); |
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my ($ans,$ans_low,$ans_high) = split(" ",$interval); |
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while (my ($submission,$counts) = each(%$submissions)) { |
while (my ($submission,$counts) = each(%$submissions)) { |
my ($correct_count,$incorrect_count) = @$counts; |
my ($correct_count,$incorrect_count) = @$counts; |
my $value = abs($submission-$ans); |
my $scaled_value = $submission-$ans; |
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if ($scaled_value < $bins[0]) { |
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$bins[0]=$scaled_value-1; |
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} |
my $bin=0; |
my $bin=0; |
for ($bin=0;$bin<$#bins;$bin++) { # not <= for a reason |
for ($bin=0;$bin<$#bins;$bin++) { |
last if ($bins[$bin]>$value); |
last if ($bins[$bin]>$scaled_value); |
} |
} |
$correct[$bin]+=$correct_count; |
$correct[$bin-1]+=$correct_count; |
$incorrect[$bin]+=$incorrect_count; |
$incorrect[$bin-1]+=$incorrect_count; |
$count[$bin]+=$correct_count+$incorrect_count; |
$count[$bin-1]+=$correct_count+$incorrect_count; |
} |
} |
} |
} |
# |
my @plot_correct = @correct; |
my @plot_correct; |
my @plot_incorrect = @incorrect; |
my @plot_incorrect; |
my $max; |
for (my $i=0;$i<=$#bins;$i++) { |
for (my $i=0;$i<=$#bins;$i++) { |
$plot_correct[$i] = $correct[$i]*100/$total; |
$plot_correct[$i] *= 100/$total; |
$plot_incorrect[$i] = $incorrect[$i]*100/$total; |
$plot_incorrect[$i] *= 100/$total; |
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if (! defined($max) || |
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$max < $plot_correct[$i]+$plot_incorrect[$i] ) { |
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$max = $plot_correct[$i]+$plot_incorrect[$i]; |
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} |
} |
} |
my $title = &mt('Distribution by Magnitude'); |
foreach (qw/1 5 10 15 20 25 30 40 50 75 100/) { |
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if ($max <$_) { $max = $_; last; } |
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} |
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# |
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my $title = &mt('Difference between submission and correct'); |
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my @labels = (1..scalar(@bins)-1); |
my $graph = &Apache::loncommon::DrawBarGraph |
my $graph = &Apache::loncommon::DrawBarGraph |
($title,'magnitude difference from correct','Number of answers', |
($title,'Difference from Correct','Percent of Answers', |
100,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
$max,['#33FF00','#FF3300'],\@labels,\@plot_correct,\@plot_incorrect, |
{xskip=>1}); |
{xskip=>1}); |
# |
# |
my $table = $graph.$/. |
my $table = $graph.$/. |
Line 429 sub numerical_plot_differences {
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Line 445 sub numerical_plot_differences {
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} |
} |
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sub numerical_classify_responses { |
sub numerical_classify_responses { |
&Apache::lonnet::logthis('--------------'); |
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my ($full_row_data,$correct,$function) = @_; |
my ($full_row_data,$correct,$function) = @_; |
my %submission_data; |
my %submission_data; |
my %students; |
my %students; |
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my %stats; |
my $max=0; |
my $max=0; |
foreach my $row (@$full_row_data) { |
foreach my $row (@$full_row_data) { |
# &Apache::lonnet::logthis(' row = '.join(',',@$row)); |
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my %subm = &hashify_attempt($row); |
my %subm = &hashify_attempt($row); |
if (ref($correct) eq 'HASH') { |
if (ref($correct) eq 'HASH') { |
$subm{'correct'} = $correct->{$subm{'student'}}->{'answer'}; |
my $s_correct = $correct->{$subm{'student'}}; |
$subm{'unit'} = $correct->{$subm{'student'}}->{'unit'}; |
$subm{'correct'} = $s_correct->{'answer'}; |
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foreach my $item ('unit','ans_low','ans_high') { |
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$subm{$item} = $s_correct->{$item}; |
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} |
} else { # This probably never happens.... |
} else { # This probably never happens.... |
$subm{'correct'} = $correct->{'answer'}; |
$subm{'correct'} = $correct->{'answer'}; |
$subm{'unit'} = $correct->{'unit'}; |
$subm{'unit'} = $correct->{'unit'}; |
} |
} |
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# |
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my $abs_low =abs($subm{'correct'}-$subm{'ans_low'}); |
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my $abs_high=abs($subm{'correct'}-$subm{'ans_high'}); |
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if (! defined($stats{'min_abs'}) || |
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$stats{'min_abs'} > $abs_low) { |
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$stats{'min_abs'} = $abs_low; |
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} |
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if ($stats{'min_abs'} > $abs_high) { |
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$stats{'min_abs'} = $abs_high; |
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} |
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if (! defined($stats{'max_abs'}) || |
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$stats{'max_abs'} < $abs_low) { |
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$stats{'max_abs'} = $abs_low; |
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} |
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if ($stats{'max_abs'} < $abs_high) { |
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$stats{'max_abs'} = $abs_high; |
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} |
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my $low_percent = 100 * abs($abs_low / $subm{'correct'}); |
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my $high_percent = 100 * abs($abs_high / $subm{'correct'}); |
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if (! defined($stats{'min_percent'}) || |
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$stats{'min_percent'} > $low_percent) { |
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$stats{'min_percent'} = $low_percent; |
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} |
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if ($stats{'min_percent'} > $high_percent) { |
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$stats{'min_percent'} = $high_percent; |
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} |
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if (! defined($stats{'max_percent'}) || |
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$stats{'max_percent'} < $low_percent) { |
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$stats{'max_percent'} = $low_percent; |
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} |
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if ($stats{'max_percent'} < $high_percent) { |
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$stats{'max_percent'} = $high_percent; |
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} |
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if (! defined($stats{'lowest_ans'}) || |
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$stats{'lowest_ans'} > $subm{'correct'}) { |
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$stats{'lowest_ans'} = $subm{'correct'}; |
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} |
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if (! defined($stats{'highest_ans'}) || |
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$stats{'highest_ans'} < $subm{'correct'}) { |
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$stats{'highest_ans'} = $subm{'correct'}; |
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} |
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# |
$subm{'submission'} =~ s/=\d+\s*$//; |
$subm{'submission'} =~ s/=\d+\s*$//; |
if (&$function(\%subm)) { |
if (&$function(\%subm)) { |
my $scaled = '1'; |
my $scaled = '1'; |
my ($sname,$sdom) = split(':',$subm{'student'}); |
my ($sname,$sdom) = split(':',$subm{'student'}); |
# Note that $subm{'unit'} is modified by the following call |
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# We do not use it again but you should be aware just in case. |
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my ($myunit,$mysub) = ($subm{'unit'},$subm{'submission'}); |
my ($myunit,$mysub) = ($subm{'unit'},$subm{'submission'}); |
my $result = |
my $result = |
&capa::caparesponse_get_real_response($myunit, |
&capa::caparesponse_get_real_response($myunit, |
$mysub, |
$mysub, |
\$scaled); |
\$scaled); |
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# &Apache::lonnet::logthis('scaled = '.$scaled.' result ='.$result); |
next if (! defined($scaled)); |
next if (! defined($scaled)); |
next if ($result ne '6'); |
# next if ($result ne '6'); |
my $submission = $scaled; |
my $submission = $scaled; |
$students{$subm{'student'}}++; |
$students{$subm{'student'}}++; |
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$stats{'submission_count'}++; |
if (&numerical_submission_is_correct($subm{'award'})) { |
if (&numerical_submission_is_correct($subm{'award'})) { |
&Apache::lonnet::logthis('correct:'.$submission.':'.$subm{'correct'}); |
$stats{'correct_count'}++; |
$submission_data{'_correct'}++; |
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$submission_data{'_count'}++; |
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$submission_data{$subm{'correct'}}->{$submission}->[0]++; |
$submission_data{$subm{'correct'}}->{$submission}->[0]++; |
} elsif (&numerical_submission_is_incorrect($subm{'award'})) { |
} elsif (&numerical_submission_is_incorrect($subm{'award'})) { |
&Apache::lonnet::logthis('incorrect:'.$submission.':'.$subm{'correct'}); |
$stats{'incorrect_count'}++; |
$submission_data{'_count'}++; |
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$submission_data{$subm{'correct'}}->{$submission}->[1]++; |
$submission_data{$subm{'correct'}}->{$submission}->[1]++; |
} |
} |
my $value = |
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$submission_data{$subm{'correct'}}->{$submission}->[0]+ |
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$submission_data{$subm{'correct'}}->{$submission}->[1]; |
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if ($max < $value) { $max = $value; } |
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} |
} |
} |
} |
$submission_data{'_max'} = $max; |
$stats{'students'}=scalar(keys(%students)); |
$submission_data{'_students'}=scalar(keys(%students)); |
return (\%submission_data,\%stats); |
return \%submission_data; |
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} |
} |
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sub numerical_submission_is_correct { |
sub numerical_submission_is_correct { |
my ($award) = @_; |
my ($award) = @_; |
&Apache::lonnet::logthis('award = "'.$award.'"'); |
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if ($award =~ /^(APPROX_ANS|EXACT_ANS)$/) { |
if ($award =~ /^(APPROX_ANS|EXACT_ANS)$/) { |
return 1; |
return 1; |
} else { |
} else { |
Line 508 sub numerical_bin_table {
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Line 559 sub numerical_bin_table {
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'<th>'.&mt('Correct').'</th>'. |
'<th>'.&mt('Correct').'</th>'. |
'<th>'.&mt('Count').'</th>'. |
'<th>'.&mt('Count').'</th>'. |
'</tr>'.$/; |
'</tr>'.$/; |
for (my $i=0;$i<scalar(@{$bins});$i++) { |
for (my $i=0;$i<scalar(@{$bins}-1);$i++) { |
my $lownum; |
my $lownum = $bins->[$i]; |
if ($i == 0) { |
if ($i == 0) { $lownum = '-∞'; } |
$lownum = 0; |
my $highnum = $bins->[$i+1]; |
} else { |
if ($i == scalar(@{$bins})-2) { $highnum = '∞'; } |
$lownum = $bins->[$i-1]; |
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} |
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my $highnum = $bins->[$i]; |
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$table .= |
$table .= |
'<tr>'. |
'<tr>'. |
'<td>'.$labels->[$i].'</td>'. |
'<td>'.$labels->[$i].'</td>'. |
Line 535 sub numerical_determine_answers {
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Line 583 sub numerical_determine_answers {
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my ($r,$resource,$partid,$respid,$students)=@_; |
my ($r,$resource,$partid,$respid,$students)=@_; |
my $c = $r->connection(); |
my $c = $r->connection(); |
# |
# |
# FIX ME: May need progress dialog updates |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
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($r,'Student Answer Compilation Status', |
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'Student Answer Compilation Progress', scalar(@$students), |
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'inline',undef,'Statistics','stats_status'); |
# |
# |
# Read in the cache (if it exists) before we start timing things. |
# Read in the cache (if it exists) before we start timing things. |
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
&Apache::lonstathelpers::ensure_proper_cache($resource->{'symb'}); |
Line 553 sub numerical_determine_answers {
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Line 604 sub numerical_determine_answers {
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$sdom); |
$sdom); |
# make the key |
# make the key |
my $key = $partid.'.'.$respid; |
my $key = $partid.'.'.$respid; |
$correct->{$sname.':'.$sdom}->{'answer'} = |
foreach my $item ('answer','unit','ans_high','ans_low') { |
$analysis->{$key.'.answer'}->[0]; |
$correct->{$sname.':'.$sdom}->{$item} = |
$correct->{$sname.':'.$sdom}->{'unit'} = |
$analysis->{$key.'.'.$item}->[0]; |
$analysis->{$key.'.unit'}->[0]; |
} |
$answers{$analysis->{$key.'.answer'}->[0]}++; |
$answers{$analysis->{$key.'.answer'}->[0]}++; |
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&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
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&mt('last student')); |
} |
} |
&Apache::lonstathelpers::write_analysis_cache(); |
&Apache::lonstathelpers::write_analysis_cache(); |
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&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
return ($correct,\%answers); |
return ($correct,\%answers); |
} |
} |
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Line 888 sub ensure_start_end_times {
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Line 942 sub ensure_start_end_times {
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sub RR_concept_plot { |
sub RR_concept_plot { |
my ($concepts,$foil_data,$title) = @_; |
my ($concepts,$foil_data,$title) = @_; |
&Apache::lonnet::logthis('got to RR_concept_plot'); |
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# |
# |
my %correct_by_concept; |
my %correct_by_concept; |
my %incorrect_by_concept; |
my %incorrect_by_concept; |
Line 936 sub RR_concept_plot {
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Line 989 sub RR_concept_plot {
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sub RR_create_percent_selected_plot { |
sub RR_create_percent_selected_plot { |
my ($concepts,$foils,$foil_data,$title) = @_; |
my ($concepts,$foils,$foil_data,$title) = @_; |
&Apache::lonnet::logthis('got to RR_create_percent_selected_plot'); |
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# |
# |
if ($foil_data->{'_count'} == 0) { return ''; }; |
if ($foil_data->{'_count'} == 0) { return ''; }; |
my %correct_selections; |
my %correct_selections; |
Line 1008 sub RR_create_percent_selected_plot {
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Line 1060 sub RR_create_percent_selected_plot {
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sub RR_create_stacked_selection_plot { |
sub RR_create_stacked_selection_plot { |
my ($foils,$foil_data,$title,$true_foils)=@_; |
my ($foils,$foil_data,$title,$true_foils)=@_; |
# |
# |
&Apache::lonnet::logthis('got to RR_create_stacked_selection_plot'); |
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my @dataset; # array of array refs - multicolor rows $datasets[row]->[col] |
my @dataset; # array of array refs - multicolor rows $datasets[row]->[col] |
my @labels; |
my @labels; |
my $count; |
my $count; |