--- loncom/interface/statistics/lonsubmissiontimeanalysis.pm 2004/02/20 16:38:49 1.13 +++ loncom/interface/statistics/lonsubmissiontimeanalysis.pm 2006/05/05 20:03:43 1.26 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonsubmissiontimeanalysis.pm,v 1.13 2004/02/20 16:38:49 matthew Exp $ +# $Id: lonsubmissiontimeanalysis.pm,v 1.26 2006/05/05 20:03:43 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,7 +28,7 @@ package Apache::lonsubmissiontimeanalysis; use strict; -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::loncoursedata(); @@ -37,7 +37,6 @@ use Apache::lonstathelpers; use Apache::lonlocal; use HTML::Entities(); use Time::Local(); -use Spreadsheet::WriteExcel(); my $plotcolors = ['#33ff00', '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933', @@ -75,55 +74,50 @@ sub BuildSubmissionTimePage { $r->print('<h2>There are no students in the sections selected</h2>'); } # - &Apache::loncoursedata::clear_internal_caches(); - if (exists($ENV{'form.ClearCache'}) || - exists($ENV{'form.updatecaches'}) || - (exists($ENV{'form.firstanalysis'}) && - $ENV{'form.firstanalysis'} ne 'no')) { - &Apache::lonstatistics::Gather_Full_Student_Data($r); - } - if (! exists($ENV{'form.firstanalysis'})) { - $r->print('<input type="hidden" name="firstanalysis" value="yes" />'); - } else { - $r->print('<input type="hidden" name="firstanalysis" value="no" />'); - } + my @CacheButtonHTML = + &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); $r->rflush(); # - if (! exists($ENV{'form.problemchoice'}) || - exists($ENV{'form.SelectAnother'})) { - $r->print('<input type="submit" name="" value="'. - &mt('Graph Problem Submission Times').'" />'); - $r->print(' 'x5); + if (! exists($env{'form.problemchoice'}) || + exists($env{'form.SelectAnother'})) { + my $submit_button = '<input type="submit" name="" value="'. + &mt('Graph Problem Submission Times').'" />'; + $r->print($submit_button.' 'x5); $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); - $r->print(&Apache::lonstathelpers::ProblemSelector('.')); + $r->print(&Apache::lonstathelpers::problem_selector('.', + $submit_button)); } else { foreach my $button (@SubmitButtons) { $r->print('<input type="submit" name="'.$button->{'name'}.'" '. 'value="'.&mt($button->{'text'}).'" />'); $r->print(' 'x5); } + foreach my $html (@CacheButtonHTML) { + $r->print($html.(' 'x5)); + } + $r->rflush(); # # Determine which problem we are to analyze my $current_problem = &Apache::lonstathelpers::get_target_from_id - ($ENV{'form.problemchoice'}); + ($env{'form.problemchoice'}); # - my ($prev,$curr,$next) = + my ($navmap,$prev,$curr,$next) = &Apache::lonstathelpers::get_prev_curr_next($current_problem, '.', 'part'); - if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) { + if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) { $current_problem = $prev; - } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) { + } elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) { $current_problem = $next; } else { $current_problem = $curr; } # # Store the current problem choice and send it out in the form - $ENV{'form.problemchoice'} = + $env{'form.problemchoice'} = &Apache::lonstathelpers::make_target_id($current_problem); $r->print('<input type="hidden" name="problemchoice" value="'. - $ENV{'form.problemchoice'}.'" />'); + $env{'form.problemchoice'}.'" />'); # $r->print('<hr />'); $r->rflush(); @@ -132,12 +126,16 @@ sub BuildSubmissionTimePage { if (! defined($resource)) { $r->print('resource is undefined'); } else { - $r->print('<h1>'.$resource->{'title'}.'</h1>'); - $r->print('<h3>'.$resource->{'src'}.'</h3>'); + $r->print('<h1>'.$resource->compTitle.'</h1>'); + $r->print('<h3>'.$resource->src.'</h3>'); + $r->print('<h4>'. + &Apache::lonstatistics::section_and_enrollment_description(). + '</h4>'); $r->rflush(); $r->print(&Apache::lonstathelpers::render_resource($resource)); + $r->print('<br />'); $r->rflush(); - $r->print(&analyze_times($r,$resource,\@Students, + $r->print(&analyze_times($r,$resource->symb,\@Students, $current_problem->{'part'})); } $r->print('<hr />'); @@ -163,7 +161,8 @@ sub get_week_start { } sub analyze_times { - my ($r,$resource,$students,$part) = @_; + my ($r,$symb,$students,$part) = @_; + my $htmltable; # # Convenience arrays my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday @@ -174,9 +173,12 @@ sub analyze_times { my $html; # holds results of analysis # Get the data my $SubData = &Apache::loncoursedata::get_response_time_data - ($students,$resource->{'symb'},$part); + ([&Apache::lonstatistics::get_selected_sections()], + [&Apache::lonstatistics::get_selected_groups()], + $Apache::lonstatistics::enrollment_status, + $symb,$part); if (! defined($SubData) || ! ref($SubData)) { - $html.= '<h2>There is no submission data for this problem</h2>'; + $html.= '<h2>There is no submission data for this problem at all</h2>'; return $html; } my $NumSub = scalar(@{$SubData}); @@ -197,20 +199,23 @@ sub analyze_times { my $endtime = $day_start; # # Initialize loop variables - my $max; - my @Ydata=(0); - my @AnsData=(0); - my @Xlabel=($WeekDay[$wday]); - my $cumulative_answers = 0; + my $max; # The sum of @Ydata + my @Ydata=(0); # number of submissions + my @AnsData=(0); # number of correct submissions + my @Xlabel=($WeekDay[$wday]); # Labels of itmes + my @BinEnd; # The end time of each bin + my $cumulative_answers = 0; # The sum of @AnsData + my %students; # which students have attempted the problem? # foreach my $row (@$SubData) { my $subtime = &get_time_from_row($row); while ($subtime > $endtime && $endtime < time) { # Create a new bin $bincount++; - $Ydata[$bincount]=0; - $AnsData[$bincount]=$AnsData[$bincount-1]; + $Ydata[$bincount] = 0; + $AnsData[$bincount] = 0; $endtime += $binsize; + push(@BinEnd,$endtime); if ($bincount % (86400/$binsize) == 0) { $wday++; $wday %= 7; @@ -223,21 +228,16 @@ sub analyze_times { $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]); $AnsData[$bincount] += &successful_submission($row); $cumulative_answers += &successful_submission($row); + $students{$row->[&Apache::loncoursedata::RT_student_id()]}++; } - foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100, - 120,150,200,250,300,350,400,450,500, - 600,700,800,900,1000,1100,1200,1500,2000, - 2500,3000,4000,5000) { - if ($max < $maximum) { - $max = $maximum; - last; - } - } + # + # Pad the data to a full day while ($bincount % $bins_per_day != 0) { $bincount++; $Ydata[$bincount]=0; - $AnsData[$bincount]=$AnsData[$bincount-1]; + $AnsData[$bincount]=0; $endtime += $binsize; + push(@BinEnd,$endtime); if ($bincount % (86400/$binsize) == 0) { $wday ++; $wday %= 7; @@ -246,11 +246,76 @@ sub analyze_times { $Xlabel[$bincount] = ''; } } - my $numstudents = scalar(@$students); - for (my $i=0;$i<=$#AnsData;$i++) { - $AnsData[$i] = int(100*($AnsData[$i]/$numstudents)); + my $numstudents = scalar(keys(%students)); + # + # Determine a nice maximum value to use + foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100, + 120,150,200,250,300,350,400,450,500, + 600,700,800,900,1000,1100,1200,1500,2000, + 2500,3000,4000,5000) { + if ($max < $maximum) { + $max = $maximum; + last; + } + } + # + # Build the data table + $htmltable = '<p>'. + '<table rules="groups" frame="border" '. + 'summary="Student submission data">'. + '<thead>'. + '<tr>'. + '<th valign="bottom">'.&mt('Begin').'</th>'. + '<th>'.(' 'x3).'</th>'. + '<th valign="bottom">'.&mt('End').'</th>'. + '<th valign="bottom">'.&mt('Submissions (plotted)').'</th>'. + '<th>'.(' 'x3).'</th>'. + '<th valign="bottom">'.&mt('Correct Submissions (not plotted)').'</th>'. + '<th>'.(' 'x3).'</th>'. + '<th valign="bottom">'.&mt('Cumulative Correct of those attempting the problem (not plotted)').'</th>'. + '<th>'.(' 'x3).'</th>'. + '<th valign="bottom">'.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').'</th>'. + '<th>'.(' 'x3).'</th>'. + '<th valign="bottom">'.&mt('Cumulative Percent Correct of selected students (plotted)').'</th>'. + '</tr>'. + '</thead>'. + '<tbody>'; + my @CumulativeCorrect=(0); + my @corr_as_percent_of_selected; + my @corr_as_percent_of_answering; + for (my $i=0;$i<=$#Ydata;$i++) { + $CumulativeCorrect[$i]=$CumulativeCorrect[-1]+$AnsData[$i]; + $corr_as_percent_of_answering[$i] = + sprintf('%3.1f',100*$CumulativeCorrect[$i]/$numstudents); + $corr_as_percent_of_selected[$i] = + sprintf('%3.1f',100*$CumulativeCorrect[$i]/scalar(@$students)); + if ($Ydata[$i] != 0) { + next if (! defined($BinEnd[$i]) || $BinEnd[$i] == 0); + $htmltable .= + '<tr>'. + '<td align="right"><nobr>'. + &Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize). + '</nobr></td>'. + '<td> </td>'. + '<td align="right"><nobr>'. + &Apache::lonlocal::locallocaltime($BinEnd[$i]).'</td>'. + '</nobr></td>'. + '<td align="right">'.$Ydata[$i].(' 'x3).'</td>'. + '<td> </td>'. + '<td align="right">'.$AnsData[$i].(' 'x3).'</td>'. + '<td> </td>'. + '<td align="right">'.$CumulativeCorrect[$i].'</td>'. + '<td> </td>'. + '<td align="right">'.$corr_as_percent_of_answering[$i].'</td>'. + '<td> </td>'. + '<td align="right">'.$corr_as_percent_of_selected[$i].'</td>'. + '</tr>'.$/; + } } - my $title = 'Number of Submissions and Number Correct'; + $htmltable .= '</tbody></table></p>'; + # + # Build the plot + my $title = '';#'Number of Submissions and Number Correct'; my $xlabel; (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start); $xlabel .= $FullWeekDay[$wday].' '. @@ -262,15 +327,14 @@ sub analyze_times { if ($width < 250) { $width = 250; } + # $html .= &Apache::loncommon::DrawXYYGraph($title, $xlabel, 'Submissions vs Time', $plotcolors, \@Xlabel, - \@Ydata, - 0,$max, - \@AnsData, - 0,100, + \@Ydata,0,$max, + \@corr_as_percent_of_selected,0,100, (xskip => $bins_per_day, x_ticks => $bins_per_day, x_tick_offset => $bins_per_day, @@ -281,7 +345,7 @@ sub analyze_times { 'data.2.label'=>'Percent correct', ) ); - $html .= '<br />'; + $html .= '<br />'.$htmltable; return $html; } @@ -291,7 +355,6 @@ sub successful_submission { return $row->[&Apache::loncoursedata::RT_awarded()]; } return undef; - return 0; } sub get_time_from_row { @@ -327,44 +390,42 @@ sub Process_Row { sub CreateInterface { ## ## Environment variable initialization - if (! exists$ENV{'form.AnalyzeOver'}) { - $ENV{'form.AnalyzeOver'} = 'Tries'; + if (! exists$env{'form.AnalyzeOver'}) { + $env{'form.AnalyzeOver'} = 'Tries'; } ## ## Build the menu my $Str = ''; - $Str .= &Apache::lonhtmlcommon::breadcrumbs - (undef,&mt('Submission Time Plots')); + $Str .= &Apache::lonhtmlcommon::breadcrumbs('Submission Time Plots'); + $Str .= '<p>'; $Str .= '<table cellspacing="5">'."\n"; $Str .= '<tr>'; - $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; - $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; - $Str .= '<td align="center"> </td>'; + $Str .= '<th align="center">'.&mt('Sections').'</th>'; + $Str .= '<th align="center">'.&mt('Groups').'</th>'; + $Str .= '<th align="center">'.&mt('Enrollment Status').'</th>'; $Str .= '</tr>'."\n"; ## ## $Str .= '<tr><td align="center">'."\n"; - $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4); + $Str .= '</td>'; + # + $Str .= '<td align="center">'."\n"; + $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',4); $Str .= '</td>'; # $Str .= '<td align="center">'; - $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); + $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4); $Str .= '</td>'; # - my $only_seq_with_assessments = sub { - my $s=shift; - if ($s->{'num_assess'} < 1) { - return 0; - } else { - return 1; - } - }; - &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, - $only_seq_with_assessments); - ## - ## $Str .= '</tr>'."\n"; $Str .= '</table>'."\n"; + # + $Str .= '<nobr>'.&mt('Status: [_1]', + '<input type="text" '. + 'name="stats_status" size="60" value="" />'). + '</nobr>'.'</p>'; + ## return $Str; }