version 1.5, 2003/12/10 23:06:57
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version 1.36, 2012/12/17 02:20:13
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Line 28
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Line 28
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package Apache::lonsubmissiontimeanalysis; |
package Apache::lonsubmissiontimeanalysis; |
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet; |
use Apache::loncommon(); |
use Apache::loncommon(); |
use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
|
use Apache::lonquickgrades(); |
use Apache::loncoursedata(); |
use Apache::loncoursedata(); |
use Apache::lonstatistics; |
use Apache::lonstatistics; |
|
use Apache::lonstathelpers; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use HTML::Entities(); |
use HTML::Entities(); |
use Time::Local(); |
use Time::Local(); |
use Spreadsheet::WriteExcel(); |
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|
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my $plotcolors = ['#33ff00', |
my $plotcolors = ['#33ff00', |
'#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
'#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933', |
Line 44 my $plotcolors = ['#33ff00',
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Line 45 my $plotcolors = ['#33ff00',
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]; |
]; |
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my @SubmitButtons = ( |
my @SubmitButtons = ( |
{ name => 'ProblemAnalyis', |
{ name => 'PrevProblemAnalysis', |
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text => 'Previous Problem' }, |
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{ name => 'ProblemAnalysis', |
text => 'Analyze Problem Again' }, |
text => 'Analyze Problem Again' }, |
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{ name => 'NextProblemAnalysis', |
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text => 'Next Problem' }, |
{ name => 'SelectAnother', |
{ name => 'SelectAnother', |
text => 'Choose a different resource' }, |
text => 'Choose a different Problem' }, |
); |
); |
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sub render_resource { |
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my ($resource) = @_; |
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## |
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## Render the problem |
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my $base; |
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($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|); |
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$base = "http://".$ENV{'SERVER_NAME'}.$base; |
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my $rendered_problem = |
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&Apache::lonnet::ssi_body($resource->{'src'}); |
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$rendered_problem =~ s/<\s*form\s*/<nop /g; |
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$rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g; |
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return '<table bgcolor="ffffff"><tr><td>'. |
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'<base href="'.$base.'" />'. |
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$rendered_problem. |
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'</td></tr></table>'; |
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} |
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sub BuildSubmissionTimePage { |
sub BuildSubmissionTimePage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
# |
# |
Line 79 sub BuildSubmissionTimePage {
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Line 67 sub BuildSubmissionTimePage {
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# |
# |
&Apache::lonstatistics::PrepareClasslist(); |
&Apache::lonstatistics::PrepareClasslist(); |
# |
# |
$r->print('<h2>'.&mt('Submission Time Plots').'</h2>'); |
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Submission Time Plots')); |
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&Apache::lonquickgrades::startGradeScreen($r,'statistics'); |
$r->print(&CreateInterface()); |
$r->print(&CreateInterface()); |
# |
# |
my @Students = @Apache::lonstatistics::Students; |
my @Students = @Apache::lonstatistics::Students; |
# |
# |
if (@Students < 1) { |
if (@Students < 1) { |
$r->print('<h2>There are no students in the sections selected</h2>'); |
$r->print('<div class="LC_warning">' |
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.&mt('There are no students in the sections selected.') |
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.'</div>' |
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); |
} |
} |
# |
# |
&Apache::loncoursedata::clear_internal_caches(); |
my @CacheButtonHTML = |
if (exists($ENV{'form.ClearCache'}) || |
&Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status'); |
exists($ENV{'form.updatecaches'}) || |
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(exists($ENV{'form.firstanalysis'}) && |
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$ENV{'form.firstanalysis'} ne 'no')) { |
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&Apache::lonstatistics::Gather_Full_Student_Data($r); |
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} |
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if (! exists($ENV{'form.firstanalysis'})) { |
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$r->print('<input type="hidden" name="firstanalysis" value="yes" />'); |
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} else { |
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$r->print('<input type="hidden" name="firstanalysis" value="no" />'); |
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} |
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$r->rflush(); |
$r->rflush(); |
# |
# |
if (! exists($ENV{'form.problemchoice'}) || |
if (! exists($env{'form.problemchoice'}) || |
exists($ENV{'form.SelectAnother'})) { |
exists($env{'form.SelectAnother'})) { |
$r->print('<input type="submit" name="" value="'. |
my $submit_button = '<input type="submit" name="" value="'. |
&mt('Graph Problem Submission Times').'" />'); |
# &mt('Graph Problem Submission Times').'" />'; |
$r->print(' 'x5); |
&mt('Generate Graph').'" />'; |
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$r->print($submit_button.' 'x5); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
$r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>'); |
$r->print(&ProblemSelector()); |
$r->print(&Apache::lonstathelpers::problem_selector('.', |
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$submit_button)); |
} else { |
} else { |
foreach my $button (@SubmitButtons) { |
foreach my $button (@SubmitButtons) { |
$r->print('<input type="submit" name="'.$button->{'name'}.'" '. |
$r->print('<input type="submit" name="'.$button->{'name'}.'" '. |
'value="'.&mt($button->{'text'}).'" />'); |
'value="'.&mt($button->{'text'}).'" />'); |
$r->print(' 'x5); |
$r->print(' 'x5); |
} |
} |
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foreach my $html (@CacheButtonHTML) { |
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$r->print($html.(' 'x5)); |
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} |
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$r->rflush(); |
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# |
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# Determine which problem we are to analyze |
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my $current_problem = &Apache::lonstathelpers::get_target_from_id |
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($env{'form.problemchoice'}); |
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# |
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my ($navmap,$prev,$curr,$next) = |
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&Apache::lonstathelpers::get_prev_curr_next($current_problem, |
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'.', |
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'part'); |
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if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) { |
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$current_problem = $prev; |
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} elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) { |
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$current_problem = $next; |
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} else { |
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$current_problem = $curr; |
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} |
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# |
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# Store the current problem choice and send it out in the form |
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$env{'form.problemchoice'} = |
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&Apache::lonstathelpers::make_target_id($current_problem); |
$r->print('<input type="hidden" name="problemchoice" value="'. |
$r->print('<input type="hidden" name="problemchoice" value="'. |
$ENV{'form.problemchoice'}.'" />'); |
$env{'form.problemchoice'}.'" />'); |
# |
# |
$r->print('<hr />'); |
$r->print('<hr />'); |
# |
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my ($symb,$part) = &get_problem_symb( |
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&Apache::lonnet::unescape($ENV{'form.problemchoice'})); |
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$r->rflush(); |
$r->rflush(); |
# |
# |
my $resource = &get_resource_from_symb($symb); |
my $resource = $current_problem->{'resource'}; |
if (! defined($resource)) { |
if (! defined($resource)) { |
$r->print('resource is undefined'); |
$r->print('<div class="LC_warning">' |
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.&mt('Resource is undefined.') |
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.'</div>' |
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); |
} else { |
} else { |
$r->print('<h1>'.$resource->{'title'}.'</h1>'); |
$r->print('<h1>'.$resource->compTitle.'</h1>'); |
$r->print('<h3>'.$resource->{'src'}.'</h3>'); |
$r->print('<h3>'.$resource->src.'</h3>'); |
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$r->print('<p>'. |
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&Apache::lonstatistics::section_and_enrollment_description(). |
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'</p>'); |
$r->rflush(); |
$r->rflush(); |
$r->print(&render_resource($resource)); |
$r->print(&Apache::lonstathelpers::render_resource($resource)); |
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$r->print('<br />'); |
$r->rflush(); |
$r->rflush(); |
$r->print(&analyze_times($r,$resource,\@Students,$part)); |
if (@Students) { |
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$r->print(&analyze_times($r,$resource->symb,\@Students, |
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$current_problem->{'part'})); |
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} |
} |
} |
$r->print('<hr />'); |
$r->print('<hr />'); |
} |
} |
Line 158 sub get_week_start {
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Line 173 sub get_week_start {
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} |
} |
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sub analyze_times { |
sub analyze_times { |
my ($r,$resource,$students,$part) = @_; |
my ($r,$symb,$students,$part) = @_; |
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my $htmltable; |
# |
# |
# Convenience arrays |
# Convenience arrays |
my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday |
my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday |
Line 169 sub analyze_times {
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Line 185 sub analyze_times {
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my $html; # holds results of analysis |
my $html; # holds results of analysis |
# Get the data |
# Get the data |
my $SubData = &Apache::loncoursedata::get_response_time_data |
my $SubData = &Apache::loncoursedata::get_response_time_data |
($students,$resource->{'symb'},$part); |
([&Apache::lonstatistics::get_selected_sections()], |
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[&Apache::lonstatistics::get_selected_groups()], |
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$Apache::lonstatistics::enrollment_status, |
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$symb,$part); |
if (! defined($SubData) || ! ref($SubData)) { |
if (! defined($SubData) || ! ref($SubData)) { |
$html.= '<h2>There is no submission data for this resource</h2>'; |
$html.= '<div class="LC_warning">' |
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.&mt('There is no submission data for this problem at all.') |
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.'</div>'; |
return $html; |
return $html; |
} |
} |
my $NumSub = scalar(@{$SubData}); |
my $NumSub = scalar(@{$SubData}); |
if (! @{$SubData}) { |
if (! @{$SubData}) { |
$html.= '<h2>There is no submission data for this resource</h2>'; |
$html.= '<div class="LC_warning">' |
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.&mt('There is no submission data for this problem.') |
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.'</div>'; |
return $html; |
return $html; |
} |
} |
# Process the data |
# Process the data |
Line 192 sub analyze_times {
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Line 215 sub analyze_times {
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my $endtime = $day_start; |
my $endtime = $day_start; |
# |
# |
# Initialize loop variables |
# Initialize loop variables |
my $max; |
my $max; # The sum of @Ydata |
my @Ydata=(0); |
my @Ydata=(0); # number of submissions |
my @AnsData=(0); |
my @AnsData=(0); # number of correct submissions |
my @Xlabel=($WeekDay[$wday]); |
my @Xlabel=($WeekDay[$wday]); # Labels of itmes |
my $cumulative_answers = 0; |
my @BinEnd; # The end time of each bin |
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my $cumulative_answers = 0; # The sum of @AnsData |
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my %students; # which students have attempted the problem? |
# |
# |
foreach my $row (@$SubData) { |
foreach my $row (@$SubData) { |
my $subtime = &get_time_from_row($row); |
my $subtime = &get_time_from_row($row); |
while ($subtime > $endtime && $endtime < time) { |
while ($subtime > $endtime && $endtime < time) { |
# Create a new bin |
# Create a new bin |
$bincount++; |
$bincount++; |
$Ydata[$bincount]=0; |
$Ydata[$bincount] = 0; |
$AnsData[$bincount]=$AnsData[$bincount-1]; |
$AnsData[$bincount] = 0; |
$endtime += $binsize; |
$endtime += $binsize; |
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push(@BinEnd,$endtime); |
if ($bincount % (86400/$binsize) == 0) { |
if ($bincount % (86400/$binsize) == 0) { |
$wday++; |
$wday++; |
$wday %= 7; |
$wday %= 7; |
Line 218 sub analyze_times {
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Line 244 sub analyze_times {
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$max = $Ydata[$bincount] if ($max < $Ydata[$bincount]); |
$max = $Ydata[$bincount] if ($max < $Ydata[$bincount]); |
$AnsData[$bincount] += &successful_submission($row); |
$AnsData[$bincount] += &successful_submission($row); |
$cumulative_answers += &successful_submission($row); |
$cumulative_answers += &successful_submission($row); |
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$students{$row->[&Apache::loncoursedata::RT_student_id()]}++; |
} |
} |
foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100, |
# |
120,150,200,250,300,350,400,450,500, |
# Pad the data to a full day |
600,700,800,900,1000,1100,1200,1500,2000, |
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2500,3000,4000,5000) { |
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if ($max < $maximum) { |
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$max = $maximum; |
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last; |
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} |
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} |
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while ($bincount % $bins_per_day != 0) { |
while ($bincount % $bins_per_day != 0) { |
$bincount++; |
$bincount++; |
$Ydata[$bincount]=0; |
$Ydata[$bincount]=0; |
$AnsData[$bincount]=$AnsData[$bincount-1]; |
$AnsData[$bincount]=0; |
$endtime += $binsize; |
$endtime += $binsize; |
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push(@BinEnd,$endtime); |
if ($bincount % (86400/$binsize) == 0) { |
if ($bincount % (86400/$binsize) == 0) { |
$wday ++; |
$wday ++; |
$wday %= 7; |
$wday %= 7; |
Line 241 sub analyze_times {
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Line 262 sub analyze_times {
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$Xlabel[$bincount] = ''; |
$Xlabel[$bincount] = ''; |
} |
} |
} |
} |
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my $numstudents = scalar(keys(%students)); |
my $title = 'Number of Submissions and Number Correct'; |
# |
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# Determine a nice maximum value to use |
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foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100, |
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120,150,200,250,300,350,400,450,500, |
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600,700,800,900,1000,1100,1200,1500,2000, |
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2500,3000,4000,5000) { |
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if ($max < $maximum) { |
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$max = $maximum; |
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last; |
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} |
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} |
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# |
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# Build the data table |
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$htmltable = '<br><h3>'.&mt('Student submission data').'</h3><p>'. |
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&Apache::loncommon::start_data_table(). |
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&Apache::loncommon::start_data_table_header_row(). |
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&Apache::loncommon::start_data_table_row(). |
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'<th valign="bottom">'.&mt('Begin').'</th>'. |
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'<th valign="bottom">'.&mt('End').'</th>'. |
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'<th valign="bottom">'.&mt('Submissions (plotted)').'</th>'. |
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'<th valign="bottom">'.&mt('Correct Submissions (not plotted)').'</th>'. |
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'<th valign="bottom">'.&mt('Cumulative Correct of those attempting the problem (not plotted)').'</th>'. |
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'<th valign="bottom">'.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').'</th>'. |
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'<th valign="bottom">'.&mt('Cumulative Percent Correct of selected students (plotted)').'</th>'. |
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&Apache::loncommon::end_data_table_row(). |
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&Apache::loncommon::end_data_table_header_row(). |
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'<tbody>'; |
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my @CumulativeCorrect=(0); |
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my @corr_as_percent_of_selected; |
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my @corr_as_percent_of_answering; |
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for (my $i=0;$i<=$#Ydata;$i++) { |
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$CumulativeCorrect[$i]=$CumulativeCorrect[-1]+$AnsData[$i]; |
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$corr_as_percent_of_answering[$i] = |
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sprintf('%3.1f',100*$CumulativeCorrect[$i]/$numstudents); |
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$corr_as_percent_of_selected[$i] = |
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sprintf('%3.1f',100*$CumulativeCorrect[$i]/scalar(@$students)); |
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if ($Ydata[$i] != 0) { |
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next if (! defined($BinEnd[$i]) || $BinEnd[$i] == 0); |
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$htmltable .= |
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&Apache::loncommon::start_data_table_row(). |
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'<td align="right"><span class="LC_nobreak">'. |
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&Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize). |
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'</span></td>'. |
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'<td align="right"><span class="LC_nobreak">'. |
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&Apache::lonlocal::locallocaltime($BinEnd[$i]).'</td>'. |
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'</span></td>'. |
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'<td align="right">'.$Ydata[$i].(' 'x3).'</td>'. |
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'<td align="right">'.$AnsData[$i].(' 'x3).'</td>'. |
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'<td align="right">'.$CumulativeCorrect[$i].'</td>'. |
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'<td align="right">'.$corr_as_percent_of_answering[$i].'</td>'. |
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'<td align="right">'.$corr_as_percent_of_selected[$i].'</td>'. |
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&Apache::loncommon::end_data_table_row().$/; |
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} |
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} |
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$htmltable .= '</tbody>'.&Apache::loncommon::end_data_table().'</p>'; |
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# |
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# Build the plot |
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my $title = '';#'Number of Submissions and Number Correct'; |
my $xlabel; |
my $xlabel; |
(undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start); |
(undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start); |
$xlabel .= $FullWeekDay[$wday].' '. |
$xlabel .= $FullWeekDay[$wday].' '. |
Line 250 sub analyze_times {
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Line 328 sub analyze_times {
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(undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime); |
(undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime); |
$xlabel .= $FullWeekDay[$wday].' '. |
$xlabel .= $FullWeekDay[$wday].' '. |
join(' ',($Month[$month],$mday,1900+$year)); |
join(' ',($Month[$month],$mday,1900+$year)); |
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my $width = 50+2*$bincount; |
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if ($width < 250) { |
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$width = 250; |
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} |
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# |
$html .= &Apache::loncommon::DrawXYYGraph($title, |
$html .= &Apache::loncommon::DrawXYYGraph($title, |
$xlabel, |
$xlabel, |
'Number of Submissions per hour', |
'Submissions vs Time', |
$plotcolors, |
$plotcolors, |
\@Xlabel, |
\@Xlabel, |
\@Ydata, |
\@Ydata,0,$max, |
0,$max, |
\@corr_as_percent_of_selected,0,100, |
\@AnsData, |
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0,scalar(@$students), |
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(xskip => $bins_per_day, |
(xskip => $bins_per_day, |
x_ticks => $bins_per_day, |
x_ticks => $bins_per_day, |
x_tick_offset => $bins_per_day, |
x_tick_offset => $bins_per_day, |
width => 50+2*$bincount) |
width => $width, |
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y1_label=>'Number of Submissions per hour', |
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y2_label=>'Percent of Students answering Correctly', |
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'data.1.label'=>'Submissions per hour', |
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'data.2.label'=>'Percent correct', |
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) |
); |
); |
$html .= '<br />'; |
$html .= '<br />'.$htmltable; |
return $html; |
return $html; |
} |
} |
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Line 274 sub successful_submission {
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Line 360 sub successful_submission {
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return $row->[&Apache::loncoursedata::RT_awarded()]; |
return $row->[&Apache::loncoursedata::RT_awarded()]; |
} |
} |
return undef; |
return undef; |
return 0; |
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} |
} |
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sub get_time_from_row { |
sub get_time_from_row { |
Line 310 sub Process_Row {
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Line 395 sub Process_Row {
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sub CreateInterface { |
sub CreateInterface { |
## |
## |
## Environment variable initialization |
## Environment variable initialization |
if (! exists$ENV{'form.AnalyzeOver'}) { |
if (! exists$env{'form.AnalyzeOver'}) { |
$ENV{'form.AnalyzeOver'} = 'Tries'; |
$env{'form.AnalyzeOver'} = 'Tries'; |
} |
} |
## |
## |
## Build the menu |
## Build the menu |
my $Str = ''; |
my $Str = ''; |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<p>'; |
$Str .= '<tr>'; |
$Str .= &Apache::loncommon::start_data_table(); |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
$Str .= &Apache::loncommon::start_data_table_header_row(); |
$Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; |
$Str .= '<th>'.&mt('Sections').'</th>'; |
$Str .= '<td align="center"> </td>'; |
$Str .= '<th>'.&mt('Groups').'</th>'; |
$Str .= '</tr>'."\n"; |
$Str .= '<th>'.&mt('Access Status').'</th>'; |
|
$Str .= &Apache::loncommon::end_data_table_header_row(); |
## |
## |
## |
## |
$Str .= '<tr><td align="center">'."\n"; |
$Str .= &Apache::loncommon::start_data_table_row(); |
$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
$Str .= '<td align="center">'."\n"; |
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$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4); |
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$Str .= '</td>'; |
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# |
|
$Str .= '<td align="center">'."\n"; |
|
$Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',4); |
$Str .= '</td>'; |
$Str .= '</td>'; |
# |
# |
$Str .= '<td align="center">'; |
$Str .= '<td align="center">'; |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4); |
$Str .= '</td>'; |
$Str .= '</td>'; |
# |
# |
my $only_seq_with_assessments = sub { |
$Str .= &Apache::loncommon::end_data_table_row(); |
my $s=shift; |
$Str .= &Apache::loncommon::end_data_table(); |
if ($s->{'num_assess'} < 1) { |
# |
return 0; |
$Str .= '</p>'; |
} else { |
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return 1; |
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} |
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}; |
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&Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
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$only_seq_with_assessments); |
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## |
|
## |
## |
$Str .= '</tr>'."\n"; |
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$Str .= '</table>'."\n"; |
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return $Str; |
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} |
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|
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sub ProblemSelector { |
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my $Str; |
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$Str = "<table>\n"; |
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foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
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next if ($seq->{'num_assess'}<1); |
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my $seq_str = ''; |
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foreach my $res (@{$seq->{'contents'}}) { |
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next if ($res->{'type'} ne 'assessment'); |
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if (@{$res->{'parts'}} == 1) { |
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my $value = &Apache::lonnet::escape($res->{'symb'}.':'. |
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$res->{'parts'}->[0]); |
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my $checked; |
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if ($ENV{'form.problemchoice'} eq $value) { |
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$checked = 'checked '; |
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} |
|
my $title = $res->{'title'}; |
|
if (! defined($title) || $title eq '') { |
|
($title) = ($res->{'src'} =~ m:/([^/]*)$:); |
|
} |
|
# &Apache::lonnet::logthis('title = :'.$title.':'); |
|
$seq_str .= '<tr><td>'. |
|
'<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. |
|
'</td><td>'. |
|
'<a href="'.$res->{'src'}.'">'.$title.'</a> '; |
|
} else { |
|
my $title = $res->{'title'}; |
|
if (! defined($title) || $title eq '') { |
|
($title) = ($res->{'src'} =~ m:/([^/]*)$:); |
|
} |
|
$seq_str .= '<tr><td>'. |
|
' '.'</td><td>'. |
|
'<a href="'.$res->{'src'}.'">'.$title.'</a>'. |
|
"</td></tr>\n"; |
|
foreach my $part (@{$res->{'parts'}}) { |
|
my $value = &Apache::lonnet::escape |
|
($res->{'symb'}.':'.$part); |
|
my $checked; |
|
if ($ENV{'form.problemchoice'} eq $value) { |
|
$checked = 'checked '; |
|
} |
|
$seq_str .= '<tr><td>'. |
|
'<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'. |
|
'</td><td>'.(' 'x5).'part '.$part."</td></tr>\n"; |
|
} |
|
} |
|
} |
|
if ($seq_str ne '') { |
|
$Str .= '<tr><td> </td><td><b>'.$seq->{'title'}.'</b></td>'. |
|
"</tr>\n".$seq_str; |
|
} |
|
} |
|
$Str .= "</table>\n"; |
|
return $Str; |
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; |
1; |
|
|
__END__ |
__END__ |