version 1.82, 2004/04/01 22:13:39
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version 1.84, 2004/04/16 21:43:56
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Line 55 use Apache::loncommon();
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Line 55 use Apache::loncommon();
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use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon; |
use Apache::loncoursedata; |
use Apache::loncoursedata; |
use Apache::lonstatistics; |
use Apache::lonstatistics; |
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use LONCAPA::lonmetadata(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Spreadsheet::WriteExcel; |
use Spreadsheet::WriteExcel; |
use Apache::lonstathelpers(); |
use Apache::lonstathelpers(); |
Line 1451 sub get_statistics {
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Line 1452 sub get_statistics {
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$data->{'deg_of_disc'} = |
$data->{'deg_of_disc'} = |
&compute_discrimination_factor($resource,$part,$sequence); |
&compute_discrimination_factor($resource,$part,$sequence); |
} |
} |
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# |
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# Store in metadata if computations were done for all students |
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if ($data->{'num_students'} > 1) { |
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my @Sections = @Apache::lonstatistics::SelectedSections; |
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my $sections = '"'.join(' ',@Sections).'"'; |
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$sections =~ s/&+/_/g; # Ensure no special characters |
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$data->{'sections'}=$sections; |
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$data->{'course'} = $ENV{'request.course.id'}; |
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my $urlres=(&Apache::lonnet::decode_symb($resource->{'symb'}))[2]; |
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$data->{'urlres'}=$urlres; |
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my %storestats = |
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&LONCAPA::lonmetadata::dynamic_metadata_storage($data); |
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my ($dom,$user) = $urlres=~/^(\w+)\/(\w+)/; |
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&Apache::lonnet::put('nohist_resevaldata',\%storestats,$dom,$user); |
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} |
return $data; |
return $data; |
} |
} |
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Line 1478 sub compute_discrimination_factor {
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Line 1494 sub compute_discrimination_factor {
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} |
} |
# |
# |
# rank |
# rank |
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my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
my $ranking = |
my $ranking = |
&Apache::loncoursedata::rank_students_by_scores_on_resources |
&Apache::loncoursedata::rank_students_by_scores_on_resources |
(\@Resources, |
(\@Resources, |
\@Apache::lonstatistics::SelectedSections, |
\@Apache::lonstatistics::SelectedSections, |
$Apache::lonstatistics::enrollment_status,undef); |
$Apache::lonstatistics::enrollment_status,undef, |
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$starttime,$endtime); |
# |
# |
# compute their percent scores on the problems in the sequence, |
# compute their percent scores on the problems in the sequence, |
my $number_to_grab = int(scalar(@{$ranking})/4); |
my $number_to_grab = int(scalar(@{$ranking})/4); |
Line 1494 sub compute_discrimination_factor {
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Line 1512 sub compute_discrimination_factor {
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$_->[&Apache::loncoursedata::RNK_student()]; |
$_->[&Apache::loncoursedata::RNK_student()]; |
} @{$ranking}[($num_students-$number_to_grab)..($num_students-1)]; |
} @{$ranking}[($num_students-$number_to_grab)..($num_students-1)]; |
my ($bottom_sum,$bottom_max) = |
my ($bottom_sum,$bottom_max) = |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@BottomSet); |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@BottomSet, |
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undef,$starttime,$endtime); |
my ($top_sum,$top_max) = |
my ($top_sum,$top_max) = |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@TopSet); |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@TopSet, |
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undef,$starttime,$endtime); |
my $deg_of_disc; |
my $deg_of_disc; |
if ($top_max == 0 || $bottom_max==0) { |
if ($top_max == 0 || $bottom_max==0) { |
$deg_of_disc = 'nan'; |
$deg_of_disc = 'nan'; |