--- loncom/interface/statistics/lonproblemstatistics.pm 2006/05/05 20:03:43 1.108
+++ loncom/interface/statistics/lonproblemstatistics.pm 2012/03/15 20:53:18 1.121
@@ -1,6 +1,6 @@
# The LearningOnline Network with CAPA
#
-# $Id: lonproblemstatistics.pm,v 1.108 2006/05/05 20:03:43 raeburn Exp $
+# $Id: lonproblemstatistics.pm,v 1.121 2012/03/15 20:53:18 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -52,6 +52,7 @@ package Apache::lonproblemstatistics;
use strict;
use Apache::lonnet;
use Apache::loncommon();
+use Apache::lonquickgrades();
use Apache::lonhtmlcommon;
use Apache::loncoursedata;
use Apache::lonstatistics;
@@ -60,6 +61,8 @@ use Apache::lonlocal;
use Spreadsheet::WriteExcel;
use Apache::lonstathelpers();
use Time::HiRes;
+use LONCAPA;
+
my @StatsArray;
my %SeqStat; # keys are symbs, values are hash refs
@@ -121,11 +124,11 @@ my @Fields = (
align => 'left',
color => '#FFFFE6',
special => 'link',
- sortable => 'yes',
+ sortable => 'yes',
selectable => 'no',
defaultselected => 'yes',
},
- { name => 'part',
+ { name => 'part',
title => 'Part',
align => 'left',
color => '#FFFFE6',
@@ -373,7 +376,7 @@ my @SeqFields = (
align => 'left',
color => '#FFFFE6',
special => 'no',
- sortable => 'no',
+ sortable => 'no',
selectable => 'yes',
defaultselected => 'no',
},
@@ -508,7 +511,7 @@ my @SeqFields = (
long_title => 'KR-21 reliability statistic',
selectable => 'yes',
defaultselected => 'no',
- },
+ },
);
my %SelectedFields;
@@ -575,7 +578,7 @@ sub parse_field_selection {
}
sub field_selection_input {
- my $Str = '
';
$Str .= '';
- $Str .= ' 'x5;
- $Str .= 'Plot '.&plot_dropdown().(' 'x10);
+ $Str .= (' 'x10);
#
return $Str;
}
@@ -693,12 +697,16 @@ sub BuildProblemStatisticsPage {
undef(%SeqStat);
#
# Finally let the user know we are here
+ $r->print(&Apache::lonhtmlcommon::breadcrumbs('Overall Problem Statistics',
+ 'Statistics_Overall_Key'));
+ &Apache::lonquickgrades::startGradeScreen($r,'statistics');
+
my $interface = &CreateInterface($r);
$r->print($interface);
$r->print('');
#
- my @CacheButtonHTML =
+ my @CacheButtonHTML =
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
my $Str;
foreach my $html (@CacheButtonHTML) {
@@ -707,12 +715,13 @@ sub BuildProblemStatisticsPage {
#
$r->print($Str);
if (! exists($env{'form.firstrun'})) {
- $r->print('
'.
+ $r->print('
'.
&mt('Press "Generate Statistics" when you are ready.').
- '
'.
+ '
'.
+ '
'.
&mt('It may take some time to update the student data '.
- 'for the first analysis. Future analysis this session '.
- ' will not have this delay.').
+ 'for the first analysis. Future analysis this session '.
+ 'will not have this delay.').
'
');
&clean_up();
return;
@@ -723,10 +732,10 @@ sub BuildProblemStatisticsPage {
# it does not slow things down noticably.
&Apache::loncoursedata::populate_weight_table();
#
- ($navmap,@sequences) =
+ ($navmap,@sequences) =
&Apache::lonstatistics::selected_sequences_with_assessments();
if (! ref($navmap)) {
- $r->print('
'.&mt('A course-wide error occured.').'
'.
+ $r->print('
'.&mt('A course-wide error occurred.').'
'.
'
'.$navmap.'
');
&clean_up();
return;
@@ -736,7 +745,7 @@ sub BuildProblemStatisticsPage {
&Apache::lonstatistics::section_and_enrollment_description().
'');
&Excel_output($r);
- } else {
+ } else {
$r->print(''.' 'x5);
$r->rflush();
@@ -745,7 +754,7 @@ sub BuildProblemStatisticsPage {
'');
my $count = 0;
foreach my $seq (@sequences) {
- my @resources =
+ my @resources =
&Apache::lonstathelpers::get_resources($navmap,$seq);
$count += scalar(@resources);
}
@@ -790,7 +799,7 @@ sub output_sequence_statistics {
'
'."\n".
'
');
$r->print(&sequence_html_header());
- foreach my $seq (@sequences) {
+ foreach my $seq (@sequences) {
last if ($c->aborted);
&compute_sequence_statistics($seq);
$r->print(&sequence_html_output($seq));
@@ -1013,7 +1022,7 @@ sub make_single_stat_plot {
}
#
# Build up the data sets to plot
- my @Labels;
+ my @Labels;
my @Data;
my $max = 1;
foreach my $data (@StatsArray) {
@@ -1053,7 +1062,7 @@ sub degrees_plot {
my $plot = '';
my $ymax = 0;
my $ymin = 0;
- my @Disc; my @Diff; my @Labels;
+ my @Disc; my @Diff; my @Labels;
foreach my $data (@StatsArray) {
push(@Labels,$data->{'problem_num'});
my $disc = $data->{'deg_of_disc'};
@@ -1143,7 +1152,7 @@ sub degrees_plot {
END
- my $plotresult =
+ my $plotresult =
'
'.&Apache::lonxml::xmlparse($r,'web',$plot).'
'.$/;
$r->print($plotresult);
return;
@@ -1228,7 +1237,7 @@ sub tries_data_plot {
END
- my $plotresult =
+ my $plotresult =
'
'.&Apache::lonxml::xmlparse($r,'web',$plot).'
'.$/;
$r->print($plotresult);
return;
@@ -1339,11 +1348,11 @@ sub Excel_output {
$excel_sheet->write($rows_output,$cols_output++,
'Compiled on '.localtime(time));
#
- $rows_output++;
+ $rows_output++;
$cols_output=0;
##
## Sequence Statistics
- ##
+ ##
&write_headers($excel_sheet,$format,\$rows_output,\$cols_output,
\@SeqFields);
foreach my $seq (@sequences) {
@@ -1421,7 +1430,7 @@ sub write_headers {
foreach my $field (@{$Fields}) {
next if ($field->{'selected'} ne 'yes');
next if ($field->{'name'} eq 'problem_num');
- # Use english for excel as I am not sure how well excel handles
+ # Use english for excel as I am not sure how well excel handles
# other character sets....
$excel_sheet->write($$rows_output,$$cols_output,
$field->{'title'},
@@ -1445,7 +1454,7 @@ sub compute_statistics_on_sequence {
my @Data;
foreach my $res (&Apache::lonstathelpers::get_resources($navmap,$seq)) {
foreach my $part (@{$res->parts}) {
- next if ($res->is_survey($part));
+ next if (($res->is_survey($part)) || ($res->is_anonsurvey($part))) ;
#
# This is where all the work happens
my $data = &get_statistics($seq,$res,$part,scalar(@StatsArray)+1);
@@ -1534,13 +1543,13 @@ sub sort_data {
=item &get_statistics()
-Wrapper routine from the call to loncoursedata::get_problem_statistics.
+Wrapper routine from the call to loncoursedata::get_problem_statistics.
Calls lonstathelpers::get_time_limits() to limit the data set by time
and &compute_discrimination_factor
Inputs: $sequence, $resource, $part, $problem_num
-Returns: Hash reference with statistics data from
+Returns: Hash reference with statistics data from
loncoursedata::get_problem_statistics.
=cut
@@ -1565,10 +1574,10 @@ sub get_statistics {
$data->{'container'} = $sequence->compTitle;
$data->{'title'} = $resource->compTitle;
$data->{'title.link'} = $resource->src.'?symb='.
- &Apache::lonnet::escape($resource->symb);
+ &escape($resource->symb);
#
if ($SelectedFields{'deg_of_disc'}) {
- $data->{'deg_of_disc'} =
+ $data->{'deg_of_disc'} =
&compute_discrimination_factor($resource,$part,$sequence);
}
#
@@ -1580,10 +1589,9 @@ sub get_statistics {
$data->{'sections'}=$sections;
$data->{'course'} = $env{'request.course.id'};
my $urlres=(&Apache::lonnet::decode_symb($resource->symb))[2];
- $data->{'urlres'}=$urlres;
- my %storestats =
+ my %storestats =
&LONCAPA::lonmetadata::dynamic_metadata_storage($data);
- my ($dom,$user) = $urlres=~/^(\w+)\/(\w+)/;
+ my ($dom,$user) = ($urlres=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)});
&Apache::lonnet::put('nohist_resevaldata',\%storestats,$dom,$user);
}
#
@@ -1591,16 +1599,16 @@ sub get_statistics {
($data->{'num_solved'}+0.1);
#
# Get the due date for research purposes (commented out most of the time)
-# $data->{'duedate'} =
-# &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb);
-# $data->{'opendate'} =
-# &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb);
-# $data->{'maxtries'} =
-# &Apache::lonnet::EXT('resource.'.$part.'.maxtries',$symb);
-# $data->{'hinttries'} =
-# &Apache::lonnet::EXT('resource.'.$part.'.hinttries',$symb);
- $data->{'weight'} =
- &Apache::lonnet::EXT('resource.'.$part.'.weight',$symb);
+# my $duedate = &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb);;
+# my $opendate = &Apache::lonnet::EXT('resource.'.$part.'.opendate',$symb);
+# my $maxtries = &Apache::lonnet::EXT('resource.'.$part.'.maxtries',$symb);
+# my $hinttries = &Apache::lonnet::EXT('resource.'.$part.'.hinttries',$symb);
+ my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',$symb);
+ $data->{'weight'} = $weight;
+# $data->{'duedate'} = $duedate;
+# $data->{'opendate'} = $opendate;
+# $data->{'maxtries'} = $maxtries;
+# $data->{'hinttries'} = $hinttries;
# $data->{'resptypes'} = join(',',@{$resource->{'partdata'}->{$part}->{'ResponseTypes'}});
return $data;
}
@@ -1631,7 +1639,7 @@ sub compute_discrimination_factor {
#
# rank
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits();
- my $ranking =
+ my $ranking =
&Apache::loncoursedata::rank_students_by_scores_on_resources
(\@Resources,
[&Apache::lonstatistics::get_selected_sections()],
@@ -1642,20 +1650,20 @@ sub compute_discrimination_factor {
# compute their percent scores on the problems in the sequence,
my $number_to_grab = int(scalar(@{$ranking})/4);
my $num_students = scalar(@{$ranking});
- my @BottomSet = map { $_->[&Apache::loncoursedata::RNK_student()];
+ my @BottomSet = map { $_->[&Apache::loncoursedata::RNK_student()];
} @{$ranking}[0..$number_to_grab];
- my @TopSet =
- map {
- $_->[&Apache::loncoursedata::RNK_student()];
+ my @TopSet =
+ map {
+ $_->[&Apache::loncoursedata::RNK_student()];
} @{$ranking}[-$number_to_grab..0];
if (! @BottomSet || (@BottomSet == 1 && $BottomSet[0] eq '') ||
! @TopSet || (@TopSet == 1 && $TopSet[0] eq '')) {
return 'nan';
}
- my ($bottom_sum,$bottom_max) =
+ my ($bottom_sum,$bottom_max) =
&Apache::loncoursedata::get_sum_of_scores($symb,$part,\@BottomSet,
undef,$starttime,$endtime);
- my ($top_sum,$top_max) =
+ my ($top_sum,$top_max) =
&Apache::loncoursedata::get_sum_of_scores($symb,$part,\@TopSet,
undef,$starttime,$endtime);
my $deg_of_disc;
@@ -1678,10 +1686,10 @@ sub compute_discrimination_factor {
##
## K=the number of items in your test
## M=the mean score on the test
-## s=the standard deviation of the scores on your test
+## s=the standard deviation of the scores on your test
##
## then:
-##
+##
## KR-21 rk= [K/(K-1)] * [1- (M*(K-M))/(K*s^2))]
##
###############################################
@@ -1698,7 +1706,7 @@ sub compute_sequence_statistics {
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits();
#
# First compute statistics based on student scores
- my ($smin,$smax,$sMean,$sSTD,$scount,$sMAX) =
+ my ($smin,$smax,$sMean,$sSTD,$scount,$sMAX) =
&Apache::loncoursedata::score_stats
([&Apache::lonstatistics::get_selected_sections()],
[&Apache::lonstatistics::get_selected_groups()],
@@ -1713,7 +1721,7 @@ sub compute_sequence_statistics {
$SeqStat{$symb}->{'max_possible'} = $sMAX;
#
# Compute statistics based on the number of correct problems
- # 'correct' is taken to mean
+ # 'correct' is taken to mean
my ($cmin,$cmax,$cMean,$cSTD,$ccount)=
&Apache::loncoursedata::count_stats
([&Apache::lonstatistics::get_selected_sections()],