--- loncom/interface/statistics/lonproblemstatistics.pm 2008/09/11 14:47:22 1.113 +++ loncom/interface/statistics/lonproblemstatistics.pm 2012/05/12 03:17:43 1.122.2.1 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonproblemstatistics.pm,v 1.113 2008/09/11 14:47:22 bisitz Exp $ +# $Id: lonproblemstatistics.pm,v 1.122.2.1 2012/05/12 03:17:43 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -123,11 +123,11 @@ 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', @@ -375,7 +375,7 @@ my @SeqFields = ( align => 'left', color => '#FFFFE6', special => 'no', - sortable => 'no', + sortable => 'no', selectable => 'yes', defaultselected => 'no', }, @@ -510,7 +510,7 @@ my @SeqFields = ( long_title => 'KR-21 reliability statistic', selectable => 'yes', defaultselected => 'no', - }, + }, ); my %SelectedFields; @@ -577,7 +577,7 @@ sub parse_field_selection { } sub field_selection_input { - my $Str = '<select name="fieldselections" multiple size="5">'."\n"; + my $Str = '<select name="fieldselections" multiple="multiple" size="5">'."\n"; $Str .= '<option value="all">all</option>'."\n"; foreach my $field (@Fields) { next if ($field->{'selectable'} ne 'yes'); @@ -610,42 +610,43 @@ sub CreateInterface { &parse_field_selection(); # my $Str = ''; - $Str .= &Apache::lonhtmlcommon::breadcrumbs('Overall Problem Statistics', - 'Statistics_Overall_Key'); - $Str .= '<table cellspacing="5">'."\n"; - $Str .= '<tr>'; - $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; - $Str .= '<td align="center"><b>'.&mt('Groups').'</b></td>'; - $Str .= '<td align="center"><b>'.&mt('Access Status').'</b></td>'; - $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; - $Str .= '<td align="center"><b>'.&mt('Statistics').'</b></td>'; - $Str .= '<td rowspan="2">'. - &Apache::lonstathelpers::limit_by_time_form().'</td>'; - $Str .= '</tr>'."\n"; + $Str .= '<p>'; + $Str .= &Apache::loncommon::start_data_table(); + $Str .= &Apache::loncommon::start_data_table_header_row(); + $Str .= '<th>'.&mt('Sections').'</th>'; + $Str .= '<th>'.&mt('Groups').'</th>'; + $Str .= '<th>'.&mt('Access Status').'</th>'; + $Str .= '<th>'.&mt('Sequences and Folders').'</th>'; + $Str .= '<th>'.&mt('Statistics').'</th>'; + $Str .= '<th>'.&mt('Plot Graph').'</th>'; + $Str .= '<th>'.&mt('Time Period').'</th>'; + $Str .= &Apache::loncommon::end_data_table_header_row(); # - $Str .= '<tr><td align="center">'."\n"; + $Str .= &Apache::loncommon::start_data_table_row(); + $Str .= '<td align="center" valign="top">'."\n"; $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); - $Str .= '</td><td align="center">'; + $Str .= '</td><td align="center" valign="top">'; $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5); - $Str .= '</td><td align="center">'; + $Str .= '</td><td align="center" valign="top">'; $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); - $Str .= '</td><td align="center">'; + $Str .= '</td><td align="center" valign="top">'; # $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5); - $Str .= '</td><td>'.&field_selection_input(); - $Str .= '</td></tr>'."\n"; - $Str .= '</table>'."\n"; - # - $Str .= '<p>'.&mt('Status: [_1]', - '<input type="text" '. - 'name="stats_status" size="60" value="" />' - ). - '</nobr></p>'; + $Str .= '</td><td align="center" valign="top">'; + $Str .= &field_selection_input(); + $Str .= '</td><td align="center" valign="top">'; + $Str .= &plot_dropdown(); + $Str .= '</td>'."\n"; + $Str .= '</td><td align="center" valign="top">'; + $Str .= &Apache::lonstathelpers::limit_by_time_form(); + $Str .= '</td>'."\n"; + $Str .= &Apache::loncommon::end_data_table_row(); + $Str .= &Apache::loncommon::end_data_table(); # + $Str .= '</p>'; $Str .= '<input type="submit" name="GenerateStatistics" value="'. &mt('Generate Statistics').'" />'; - $Str .= ' 'x5; - $Str .= 'Plot '.&plot_dropdown().(' 'x10); + $Str .= (' 'x10); # return $Str; } @@ -695,12 +696,15 @@ sub BuildProblemStatisticsPage { undef(%SeqStat); # # Finally let the user know we are here + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Overall Problem Statistics', + 'Statistics_Overall_Key')); + my $interface = &CreateInterface($r); $r->print($interface); $r->print('<input type="hidden" name="sortby" value="'.$env{'form.sortby'}. '" />'); # - my @CacheButtonHTML = + my @CacheButtonHTML = &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); my $Str; foreach my $html (@CacheButtonHTML) { @@ -709,11 +713,12 @@ sub BuildProblemStatisticsPage { # $r->print($Str); if (! exists($env{'form.firstrun'})) { - $r->print('<h3>'. + $r->print('<p class="LC_info"><b>'. &mt('Press "Generate Statistics" when you are ready.'). - '</h3><p>'. + '</b></p>'. + '<p class="LC_info">'. &mt('It may take some time to update the student data '. - 'for the first analysis. Future analysis this session '. + 'for the first analysis. Future analysis this session '. 'will not have this delay.'). '</p>'); &clean_up(); @@ -725,29 +730,29 @@ sub BuildProblemStatisticsPage { # it does not slow things down noticably. &Apache::loncoursedata::populate_weight_table(); # - ($navmap,@sequences) = + ($navmap,@sequences) = &Apache::lonstatistics::selected_sequences_with_assessments(); if (! ref($navmap)) { - $r->print('<h1>'.&mt('A course-wide error occurred.').'</h1>'. + $r->print('<div class="LC_error">'.&mt('A course-wide error occurred.').'</div>'. '<h3>'.$navmap.'</h3>'); &clean_up(); return; } if (exists($env{'form.Excel'})) { - $r->print('<h4>'. + $r->print('<p>'. &Apache::lonstatistics::section_and_enrollment_description(). - '</h4>'); + '</p>'); &Excel_output($r); - } else { + } else { $r->print('<input type="submit" name="Excel" value="'. &mt('Produce Excel Output').'" />'.' 'x5); $r->rflush(); - $r->print('<h4>'. + $r->print('<p>'. &Apache::lonstatistics::section_and_enrollment_description(). - '</h4>'); + '</p>'); my $count = 0; foreach my $seq (@sequences) { - my @resources = + my @resources = &Apache::lonstathelpers::get_resources($navmap,$seq); $count += scalar(@resources); } @@ -788,17 +793,15 @@ sub output_sequence_statistics { $r->print('<h2>'.&mt('Sequence Statistics'). &Apache::loncommon::help_open_topic('Statistics_Sequence'). '</h2>'); - $r->print('<table border="0"><tr><td bgcolor="#777777">'."\n". - '<table border="0" cellpadding="3">'."\n". - '<tr bgcolor="#FFFFE6">'); + $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row()); $r->print(&sequence_html_header()); - foreach my $seq (@sequences) { + $r->print(&Apache::loncommon::end_data_table_header_row()); + foreach my $seq (@sequences) { last if ($c->aborted); &compute_sequence_statistics($seq); $r->print(&sequence_html_output($seq)); } - $r->print('</table>'); - $r->print('</table>'); + $r->print(&Apache::loncommon::end_data_table()); $r->rflush(); return; } @@ -814,22 +817,22 @@ sub output_sequence_statistics { sub output_html_by_sequence { my ($r) = @_; my $c = $r->connection(); - $r->print(&html_preamble()); + $r->print('<br>'.&html_preamble()); # foreach my $seq (@sequences) { last if ($c->aborted); $r->print("<h3>".$seq->compTitle."</h3>". - '<table border="0"><tr><td bgcolor="#777777">'."\n". - '<table border="0" cellpadding="3">'."\n". - '<tr bgcolor="#FFFFE6">'. - &statistics_table_header('no container')."</tr>\n"); + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + &statistics_table_header('no container'). + &Apache::loncommon::end_data_table_header_row()."\n"); my @Data = &compute_statistics_on_sequence($seq); foreach my $data (@Data) { - $r->print('<tr>'.&statistics_html_table_data($data, - 'no container'). - "</tr>\n"); + $r->print(&Apache::loncommon::start_data_table_row(). + &statistics_html_table_data($data,'no container'). + &Apache::loncommon::end_data_table_row()."\n"); } - $r->print('</table>'."\n".'</table>'."\n"); + $r->print(&Apache::loncommon::end_data_table()."\n"); $r->rflush(); } return; @@ -844,17 +847,17 @@ sub output_html_stats { my $count=0; foreach my $data (@StatsArray) { if ($count++ % 50 == 0) { - $r->print("</table>\n</table>\n"); - $r->print('<table border="0"><tr><td bgcolor="#777777">'."\n". - '<table border="0" cellpadding="3">'."\n". - '<tr bgcolor="#FFFFE6">'. - '<tr bgcolor="#FFFFE6">'. - &statistics_table_header(). - "</tr>\n"); - } - $r->print('<tr>'.&statistics_html_table_data($data)."</tr>\n"); + $r->print(&Apache::loncommon::end_data_table()); + $r->print(&Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_row(). + &statistics_table_header(). + &Apache::loncommon::end_data_table_row()); + } + $r->print(&Apache::loncommon::start_data_table_row(). + &statistics_html_table_data($data). + &Apache::loncommon::end_data_table_row()); } - $r->print("</table>\n</table>\n"); + $r->print(&Apache::loncommon::end_data_table_row()); return; } @@ -871,8 +874,8 @@ sub html_preamble { &Apache::lonlocal::locallocaltime($endtime) ).'</h3>'; } - $Str .= "<h3>".&mt('Compiled on [_1]', - &Apache::lonlocal::locallocaltime(time))."</h3>"; + $Str .= "<p>".&mt('Compiled on [_1]', + &Apache::lonlocal::locallocaltime(time))."</p>"; return $Str; } @@ -890,7 +893,7 @@ sub statistics_html_table_data { foreach my $field (@Fields) { next if ($options =~ /no $field->{'name'}/); next if ($field->{'selected'} ne 'yes'); - $row .= '<td bgcolor="'.$field->{'color'}.'"'; + $row .= '<td style="background-color:'.$field->{'color'}.'"'; if (exists($field->{'align'})) { $row .= ' align="'.$field->{'align'}.'"'; } @@ -1015,7 +1018,7 @@ 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) { @@ -1055,7 +1058,7 @@ 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'}; @@ -1145,7 +1148,7 @@ sub degrees_plot { </curve> </gnuplot> END - my $plotresult = + my $plotresult = '<p>'.&Apache::lonxml::xmlparse($r,'web',$plot).'</p>'.$/; $r->print($plotresult); return; @@ -1230,7 +1233,7 @@ sub tries_data_plot { </curve> </gnuplot> END - my $plotresult = + my $plotresult = '<p>'.&Apache::lonxml::xmlparse($r,'web',$plot).'</p>'.$/; $r->print($plotresult); return; @@ -1341,11 +1344,11 @@ 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) { @@ -1423,7 +1426,7 @@ 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'}, @@ -1447,7 +1450,7 @@ 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); @@ -1536,13 +1539,13 @@ 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, $problem_num -Returns: Hash reference with statistics data from +Returns: Hash reference with statistics data from loncoursedata::get_problem_statistics. =cut @@ -1570,7 +1573,7 @@ sub get_statistics { &escape($resource->symb); # if ($SelectedFields{'deg_of_disc'}) { - $data->{'deg_of_disc'} = + $data->{'deg_of_disc'} = &compute_discrimination_factor($resource,$part,$sequence); } # @@ -1582,10 +1585,9 @@ 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=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)}); + my ($dom,$user) = ($urlres=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)}); &Apache::lonnet::put('nohist_resevaldata',\%storestats,$dom,$user); } # @@ -1599,7 +1601,7 @@ sub get_statistics { # 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->{'duedate'} = $duedate; # $data->{'opendate'} = $opendate; # $data->{'maxtries'} = $maxtries; # $data->{'hinttries'} = $hinttries; @@ -1633,7 +1635,7 @@ sub compute_discrimination_factor { # # rank my ($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()], @@ -1644,20 +1646,20 @@ 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 $deg_of_disc; @@ -1680,10 +1682,10 @@ sub compute_discrimination_factor { ## ## K=the number of items in your test ## M=the mean score on the test -## s=the standard deviation of the scores on your test +## s=the standard deviation of the scores on your test ## ## then: -## +## ## KR-21 rk= [K/(K-1)] * [1- (M*(K-M))/(K*s^2))] ## ############################################### @@ -1700,7 +1702,7 @@ sub compute_sequence_statistics { my ($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()], @@ -1715,7 +1717,7 @@ 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()],