--- loncom/interface/statistics/lonsubmissiontimeanalysis.pm 2003/12/10 23:06:57 1.5 +++ loncom/interface/statistics/lonsubmissiontimeanalysis.pm 2008/10/23 09:07:51 1.29 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonsubmissiontimeanalysis.pm,v 1.5 2003/12/10 23:06:57 matthew Exp $ +# $Id: lonsubmissiontimeanalysis.pm,v 1.29 2008/10/23 09:07:51 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,15 +28,15 @@ package Apache::lonsubmissiontimeanalysis; use strict; -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lonstatistics; +use Apache::lonstathelpers; use Apache::lonlocal; use HTML::Entities(); use Time::Local(); -use Spreadsheet::WriteExcel(); my $plotcolors = ['#33ff00', '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933', @@ -44,29 +44,16 @@ my $plotcolors = ['#33ff00', ]; my @SubmitButtons = ( - { name => 'ProblemAnalyis', + { name => 'PrevProblemAnalysis', + text => 'Previous Problem' }, + { name => 'ProblemAnalysis', text => 'Analyze Problem Again' }, + { name => 'NextProblemAnalysis', + text => 'Next Problem' }, { name => 'SelectAnother', - text => 'Choose a different resource' }, + text => 'Choose a different Problem' }, ); -sub render_resource { - my ($resource) = @_; - ## - ## Render the problem - my $base; - ($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|); - $base = "http://".$ENV{'SERVER_NAME'}.$base; - my $rendered_problem = - &Apache::lonnet::ssi_body($resource->{'src'}); - $rendered_problem =~ s/<\s*form\s*/)|<\/nop>|g; - return '
'. - ''. - $rendered_problem. - '
'; -} - sub BuildSubmissionTimePage { my ($r,$c)=@_; # @@ -79,7 +66,6 @@ sub BuildSubmissionTimePage { # &Apache::lonstatistics::PrepareClasslist(); # - $r->print('

'.&mt('Submission Time Plots').'

'); $r->print(&CreateInterface()); # my @Students = @Apache::lonstatistics::Students; @@ -88,52 +74,71 @@ sub BuildSubmissionTimePage { $r->print('

There are no students in the sections selected

'); } # - &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(''); - } else { - $r->print(''); - } + my @CacheButtonHTML = + &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); $r->rflush(); # - if (! exists($ENV{'form.problemchoice'}) || - exists($ENV{'form.SelectAnother'})) { - $r->print(''); - $r->print(' 'x5); + if (! exists($env{'form.problemchoice'}) || + exists($env{'form.SelectAnother'})) { + my $submit_button = ''; + $r->print($submit_button.' 'x5); $r->print('

'.&mt('Please select a problem to analyze').'

'); - $r->print(&ProblemSelector()); + $r->print(&Apache::lonstathelpers::problem_selector('.', + $submit_button)); } else { foreach my $button (@SubmitButtons) { $r->print(''); $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'}); + # + my ($navmap,$prev,$curr,$next) = + &Apache::lonstathelpers::get_prev_curr_next($current_problem, + '.', + 'part'); + if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) { + $current_problem = $prev; + } elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) { + $current_problem = $next; + } else { + $current_problem = $curr; + } + # + # Store the current problem choice and send it out in the form + $env{'form.problemchoice'} = + &Apache::lonstathelpers::make_target_id($current_problem); $r->print(''); + $env{'form.problemchoice'}.'" />'); # $r->print('
'); - # - my ($symb,$part) = &get_problem_symb( - &Apache::lonnet::unescape($ENV{'form.problemchoice'})); $r->rflush(); # - my $resource = &get_resource_from_symb($symb); + my $resource = $current_problem->{'resource'}; if (! defined($resource)) { $r->print('resource is undefined'); } else { - $r->print('

'.$resource->{'title'}.'

'); - $r->print('

'.$resource->{'src'}.'

'); + $r->print('

'.$resource->compTitle.'

'); + $r->print('

'.$resource->src.'

'); + $r->print('

'. + &Apache::lonstatistics::section_and_enrollment_description(). + '

'); $r->rflush(); - $r->print(&render_resource($resource)); + $r->print(&Apache::lonstathelpers::render_resource($resource)); + $r->print('
'); $r->rflush(); - $r->print(&analyze_times($r,$resource,\@Students,$part)); + if (@Students) { + $r->print(&analyze_times($r,$resource->symb,\@Students, + $current_problem->{'part'})); + } } $r->print('
'); } @@ -158,7 +163,8 @@ sub get_week_start { } sub analyze_times { - my ($r,$resource,$students,$part) = @_; + my ($r,$symb,$students,$part) = @_; + my $htmltable; # # Convenience arrays my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday @@ -169,14 +175,17 @@ 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.= '

There is no submission data for this resource

'; + $html.= '

There is no submission data for this problem at all

'; return $html; } my $NumSub = scalar(@{$SubData}); if (! @{$SubData}) { - $html.= '

There is no submission data for this resource

'; + $html.= '

There is no submission data for this problem

'; return $html; } # Process the data @@ -192,20 +201,23 @@ 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; @@ -218,21 +230,16 @@ 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; @@ -241,8 +248,76 @@ sub analyze_times { $Xlabel[$bincount] = ''; } } - - my $title = 'Number of Submissions and Number Correct'; + 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 = '

'. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''; + 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); + $htmltable .= + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''.$/; + } + } + $htmltable .= '
'.&mt('Begin').''.(' 'x3).''.&mt('End').''.&mt('Submissions (plotted)').''.(' 'x3).''.&mt('Correct Submissions (not plotted)').''.(' 'x3).''.&mt('Cumulative Correct of those attempting the problem (not plotted)').''.(' 'x3).''.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').''.(' 'x3).''.&mt('Cumulative Percent Correct of selected students (plotted)').'
'. + &Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize). + ' '. + &Apache::lonlocal::locallocaltime($BinEnd[$i]).''.$Ydata[$i].(' 'x3).' '.$AnsData[$i].(' 'x3).' '.$CumulativeCorrect[$i].' '.$corr_as_percent_of_answering[$i].' '.$corr_as_percent_of_selected[$i].'

'; + # + # 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].' '. @@ -250,21 +325,29 @@ sub analyze_times { (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime); $xlabel .= $FullWeekDay[$wday].' '. join(' ',($Month[$month],$mday,1900+$year)); + my $width = 50+2*$bincount; + if ($width < 250) { + $width = 250; + } + # $html .= &Apache::loncommon::DrawXYYGraph($title, $xlabel, - 'Number of Submissions per hour', + 'Submissions vs Time', $plotcolors, \@Xlabel, - \@Ydata, - 0,$max, - \@AnsData, - 0,scalar(@$students), + \@Ydata,0,$max, + \@corr_as_percent_of_selected,0,100, (xskip => $bins_per_day, x_ticks => $bins_per_day, x_tick_offset => $bins_per_day, - width => 50+2*$bincount) + width => $width, + y1_label=>'Number of Submissions per hour', + y2_label=>'Percent of Students answering Correctly', + 'data.1.label'=>'Submissions per hour', + 'data.2.label'=>'Percent correct', + ) ); - $html .= '
'; + $html .= '
'.$htmltable; return $html; } @@ -274,7 +357,6 @@ sub successful_submission { return $row->[&Apache::loncoursedata::RT_awarded()]; } return undef; - return 0; } sub get_time_from_row { @@ -310,125 +392,47 @@ sub Process_Row { sub CreateInterface { ## ## Environment variable initialization - if (! exists$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('Submission Time Plots'); + $Str .= '

'; $Str .= ''."\n"; $Str .= ''; - $Str .= ''; - $Str .= ''; - $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''; $Str .= ''."\n"; ## ## $Str .= ''; + # + $Str .= ''; # $Str .= ''; # - 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 .= ''."\n"; $Str .= '
'.&mt('Sections').''.&mt('Enrollment Status').' '.&mt('Sections').''.&mt('Groups').''.&mt('Access Status').'
'."\n"; - $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); + $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4); + $Str .= ''."\n"; + $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',4); $Str .= ''; - $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); + $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4); $Str .= '
'."\n"; + # + $Str .= '

' + .&mt('Status: [_1]', + '') + .'

'; + $Str .= '

'; + ## return $Str; } -sub ProblemSelector { - my $Str; - $Str = "\n"; - foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { - next if ($seq->{'num_assess'}<1); - my $seq_str = ''; - foreach my $res (@{$seq->{'contents'}}) { - next if ($res->{'type'} ne 'assessment'); - if (@{$res->{'parts'}} == 1) { - my $value = &Apache::lonnet::escape($res->{'symb'}.':'. - $res->{'parts'}->[0]); - my $checked; - if ($ENV{'form.problemchoice'} eq $value) { - $checked = 'checked '; - } - my $title = $res->{'title'}; - if (! defined($title) || $title eq '') { - ($title) = ($res->{'src'} =~ m:/([^/]*)$:); - } -# &Apache::lonnet::logthis('title = :'.$title.':'); - $seq_str .= '\n"; - foreach my $part (@{$res->{'parts'}}) { - my $value = &Apache::lonnet::escape - ($res->{'symb'}.':'.$part); - my $checked; - if ($ENV{'form.problemchoice'} eq $value) { - $checked = 'checked '; - } - $seq_str .= '\n"; - } - } - } - if ($seq_str ne '') { - $Str .= ''. - "\n".$seq_str; - } - } - $Str .= "
'. - ''. - ''. - ''.$title.' '; - } else { - my $title = $res->{'title'}; - if (! defined($title) || $title eq '') { - ($title) = ($res->{'src'} =~ m:/([^/]*)$:); - } - $seq_str .= '
'. - ' '.''. - ''.$title.''. - "
'. - ''. - ''.(' 'x5).'part '.$part."
 '.$seq->{'title'}.'
\n"; - return $Str; -} - -######################################################### -######################################################### -## -## Misc functions (ought to be put in a module) -## -######################################################### -######################################################### -sub get_problem_symb { - my $problemstring = shift(); - my ($symb,$partid) = ($problemstring=~ /^(.*):([^:]*)$/); - return ($symb,$partid); -} - -sub get_resource_from_symb { - my ($symb) = @_; - foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { - foreach my $res (@{$seq->{'contents'}}) { - if ($res->{'symb'} eq $symb) { - return $res; - } - } - } - return undef; -} - 1; __END__