version 1.48, 2003/03/28 15:20:59
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version 1.62, 2003/12/08 19:37:44
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Line 51 package Apache::lonproblemstatistics;
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Line 51 package Apache::lonproblemstatistics;
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use Apache::loncommon(); |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon; |
use Apache::loncoursedata; |
use Apache::loncoursedata; |
use Apache::lonstatistics; |
use Apache::lonstatistics; |
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use Apache::lonlocal; |
use Spreadsheet::WriteExcel; |
use Spreadsheet::WriteExcel; |
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## |
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## Localization notes: |
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## |
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## in @Fields[0]->{'long_title'} is placed in Excel files and is used as the |
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## header for plots created with Graph.pm, both of which more than likely do |
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## not support localization. |
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## |
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my @Fields = ( |
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{ name => 'problem_num', |
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title => 'P#', |
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align => 'right', |
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color => '#FFFFE6' }, |
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{ name => 'container', |
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title => 'Sequence or Folder', |
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align => 'left', |
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color => '#FFFFE6', |
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sortable => 'yes' }, |
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{ name => 'title', |
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title => 'Title', |
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align => 'left', |
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color => '#FFFFE6', |
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special => 'link', |
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sortable => 'yes', }, |
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{ name => 'part', |
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title => 'Part', |
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align => 'left', |
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color => '#FFFFE6', |
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}, |
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{ name => 'num_students', |
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title => '#Stdnts', |
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align => 'right', |
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color => '#EEFFCC', |
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format => '%d', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Number of Students Attempting Problem' }, |
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{ name => 'tries', |
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title => 'Tries', |
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align => 'right', |
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color => '#EEFFCC', |
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format => '%d', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Total Number of Tries' }, |
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{ name => 'max_tries', |
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title => 'Max Tries', |
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align => 'right', |
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color => '#DDFFFF', |
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format => '%d', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Maximum Number of Tries' }, |
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{ name => 'mean_tries', |
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title => 'Mean Tries', |
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align => 'right', |
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color => '#DDFFFF', |
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format => '%5.2f', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Average Number of Tries' }, |
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{ name => 'std_tries', |
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title => 'S.D. tries', |
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align => 'right', |
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color => '#DDFFFF', |
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format => '%5.2f', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Standard Deviation of Number of Tries' }, |
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{ name => 'skew_tries', |
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title => 'Skew Tries', |
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align => 'right', |
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color => '#DDFFFF', |
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format => '%5.2f', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Skew of Number of Tries' }, |
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{ name => 'deg_of_diff', |
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title => 'DoDiff', |
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align => 'right', |
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color => '#DDFFFF', |
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format => '%5.2f', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Degree of Difficulty'. |
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'[ 1 - ((#YES+#yes) / Tries) ]'}, |
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{ name => 'num_solved', |
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title => '#YES', |
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align => 'right', |
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color => '#FFDDDD', |
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format => '%d', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Number of Students able to Solve' }, |
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{ name => 'num_override', |
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title => '#yes', |
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align => 'right', |
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color => '#FFDDDD', |
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format => '%d', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Number of Students given Override' }, |
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{ name => 'per_wrong', |
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title => '%Wrng', |
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align => 'right', |
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color => '#FFFFE6', |
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format => '%4.1f', |
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sortable => 'yes', |
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graphable => 'yes', |
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long_title => 'Percent of students whose final answer is wrong' }, |
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); |
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############################################### |
############################################### |
############################################### |
############################################### |
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Line 70 select sections, maps, and output.
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Line 183 select sections, maps, and output.
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############################################### |
############################################### |
############################################### |
############################################### |
sub CreateInterface { |
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my $Str = ''; |
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$Str .= '<table cellspacing="5">'."\n"; |
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$Str .= '<tr>'; |
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$Str .= '<td align="center"><b>Sections</b></td>'; |
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$Str .= '<td align="center"><b>Sequences and Folders</b></td>'; |
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$Str .= '<td align="center"><b>Output</b></td>'; |
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$Str .= '</tr>'."\n"; |
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# |
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$Str .= '<tr><td align="center">'."\n"; |
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$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
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$Str .= '</td><td align="center">'; |
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# |
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my $only_seq_with_assessments = sub { |
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my $s=shift; |
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if ($s->{'num_assess'} < 1) { |
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return 0; |
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} else { |
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return 1; |
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} |
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}; |
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$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
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$only_seq_with_assessments); |
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$Str .= '</td><td>'."\n"; |
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$Str .= &CreateAndParseOutputSelector(); |
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$Str .= '</td></tr>'."\n"; |
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$Str .= '</table>'."\n"; |
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return $Str; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &CreateAndParseOutputSelector() |
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Construct a selection list of options for output and parse output selections. |
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The current output selected is indicated by the values of the two package |
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variables $output_mode and $show. @OutputOptions holds the descriptions of |
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the output options and the values for $output_mode and $show. |
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Based on code from lonstudentassessment.pm. |
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=cut |
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####################################################### |
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####################################################### |
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my $output_mode; |
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my $show; |
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my @OutputOptions = |
my @OutputOptions = |
( |
( |
{ name => 'problem statistics grouped by sequence', |
{ name => 'problem statistics grouped by sequence', |
Line 142 my @OutputOptions =
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Line 204 my @OutputOptions =
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mode => 'excel', |
mode => 'excel', |
show => 'all', |
show => 'all', |
}, |
}, |
{ name => 'Degree of Difficulty Plot', |
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value => 'plot deg diff', |
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description => 'Generate a plot of the degree of difficulty of each '. |
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'problem part.', |
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mode => 'plot', |
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show => 'deg of diff', |
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}, |
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{ name => 'Percent Wrong Plot', |
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value => 'plot per wrong', |
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description => 'Generate a plot showing the percent of students who '. |
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'were unable to complete each problem part', |
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mode => 'plot', |
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show => 'per wrong', |
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}, |
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); |
); |
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sub OutputDescriptions { |
sub CreateInterface { |
my $Str = ''; |
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$Str .= "<h2>Output Modes</h2>\n"; |
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$Str .= "<dl>\n"; |
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foreach my $outputmode (@OutputOptions) { |
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$Str .=" <dt>".$outputmode->{'name'}."</dt>\n"; |
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$Str .=" <dd>".$outputmode->{'description'}."</dd>\n"; |
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} |
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$Str .= "</dl>\n"; |
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return $Str; |
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} |
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sub CreateAndParseOutputSelector { |
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my $Str = ''; |
my $Str = ''; |
my $elementname = 'statsoutputmode'; |
$Str .= '<table cellspacing="5">'."\n"; |
# |
$Str .= '<tr>'; |
# Format for output options is 'mode, restrictions'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
my $selected = 'HTML problem statistics grouped'; |
$Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>'; |
if (exists($ENV{'form.'.$elementname})) { |
$Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>'; |
if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) { |
$Str .= '<td align="center"><b>'.&mt('Output').'</b></td>'; |
$selected = $ENV{'form.'.$elementname}->[0]; |
$Str .= '</tr>'."\n"; |
} else { |
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$selected = $ENV{'form.'.$elementname}; |
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} |
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} |
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# |
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# Set package variables describing output mode |
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$output_mode = 'html'; |
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$show = 'all'; |
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foreach my $option (@OutputOptions) { |
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next if ($option->{'value'} ne $selected); |
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$output_mode = $option->{'mode'}; |
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$show = $option->{'show'}; |
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} |
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# |
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# Build the form element |
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$Str = qq/<select size="5" name="$elementname">/; |
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foreach my $option (@OutputOptions) { |
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$Str .= "\n".' <option value="'.$option->{'value'}.'"'; |
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$Str .= " selected " if ($option->{'value'} eq $selected); |
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$Str .= ">".$option->{'name'}."<\/option>"; |
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} |
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$Str .= "\n</select>"; |
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return $Str; |
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} |
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############################################### |
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############################################### |
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=pod |
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=item &Gather_Student_Data() |
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Ensures all student data is up to date. |
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=cut |
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############################################### |
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############################################### |
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sub Gather_Student_Data { |
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my ($r) = @_; |
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my $c = $r->connection(); |
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# |
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my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
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# |
# |
my @Students = @Apache::lonstatistics::Students; |
$Str .= '<tr><td align="center">'."\n"; |
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$Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5); |
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$Str .= '</td><td align="center">'; |
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$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
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$Str .= '</td><td align="center">'; |
# |
# |
# Open the progress window |
my $only_seq_with_assessments = sub { |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
my $s=shift; |
($r,'Statistics Compilation Status', |
if ($s->{'num_assess'} < 1) { |
'Statistics Compilation Progress', scalar(@Students)); |
return 0; |
# |
} else { |
while (my $student = shift @Students) { |
return 1; |
return if ($c->aborted()); |
} |
my ($status,undef) = &Apache::loncoursedata::ensure_current_data |
}; |
($student->{'username'},$student->{'domain'}, |
$Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, |
$ENV{'request.course.id'}); |
$only_seq_with_assessments); |
&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, |
$Str .= '</td><td>'."\n"; |
'last student'); |
my ($html,$outputmode,$show) = |
} |
&Apache::lonstatistics::CreateAndParseOutputSelector( |
&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
'statsoutputmode', |
$r->rflush(); |
'HTML problem statistics grouped', |
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@OutputOptions); |
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$Str .= $html; |
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$Str .= '</td></tr>'."\n"; |
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$Str .= '</table>'."\n"; |
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$Str .= '<input type="submit" name="GenerateStatistics" value="'. |
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&mt('Generate Statistics').'" />'; |
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$Str .= ' 'x5; |
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$Str .= '<input type="submit" name="ClearCache" value="'. |
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&mt('Clear Caches').'" />'; |
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$Str .= ' 'x5; |
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return ($Str,$outputmode,$show); |
} |
} |
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############################################### |
############################################### |
Line 258 Main interface to problem statistics.
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Line 266 Main interface to problem statistics.
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sub BuildProblemStatisticsPage { |
sub BuildProblemStatisticsPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
# |
# |
$output_mode = 'html'; |
my %Saveable_Parameters = ('Status' => 'scalar', |
$show = 'grouped'; |
'statsoutputmode' => 'scalar', |
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'Section' => 'array', |
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'StudentData' => 'array', |
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'Maps' => 'array'); |
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&Apache::loncommon::store_course_settings('statistics', |
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\%Saveable_Parameters); |
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&Apache::loncommon::restore_course_settings('statistics', |
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\%Saveable_Parameters); |
# |
# |
$r->print(&CreateInterface()); |
&Apache::lonstatistics::PrepareClasslist(); |
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# |
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my ($interface,$output_mode,$show) = &CreateInterface(); |
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$r->print($interface); |
$r->print('<input type="hidden" name="statsfirstcall" value="no" />'); |
$r->print('<input type="hidden" name="statsfirstcall" value="no" />'); |
$r->print('<input type="hidden" name="sortby" value="'.$ENV{'form.sortby'}. |
$r->print('<input type="hidden" name="sortby" value="'.$ENV{'form.sortby'}. |
'" />'); |
'" />'); |
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$r->print('<input type="hidden" name="plot" value="" />'); |
if (! exists($ENV{'form.statsfirstcall'})) { |
if (! exists($ENV{'form.statsfirstcall'})) { |
$r->print(<<ENDMSG); |
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<p> |
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<font size="+1"> |
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Please make your selections in the boxes above and hit |
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the button marked "Update Display". |
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</font> |
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</p> |
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ENDMSG |
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return; |
return; |
} |
} |
# |
# |
&Gather_Student_Data($r); |
&Apache::lonstatistics::Gather_Student_Data($r); |
# |
# |
# |
# |
if ($output_mode eq 'html') { |
if ($output_mode eq 'html') { |
Line 292 ENDMSG
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Line 303 ENDMSG
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&output_html_ungrouped($r); |
&output_html_ungrouped($r); |
} |
} |
} elsif ($output_mode eq 'excel') { |
} elsif ($output_mode eq 'excel') { |
$r->print("<h2>Preparing Excel Spreadsheet</h2>"); |
$r->print('<h2>'.&mt('Preparing Excel Spreadsheet').'</h2>'); |
&output_excel($r); |
&output_excel($r); |
} elsif ($output_mode eq 'plot') { |
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if ($show eq 'deg of diff') { |
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&plot_statistics($r,'DoDiff'); |
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} elsif ($show eq 'per wrong') { |
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&plot_statistics($r,'%Wrng'); |
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} |
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} else { |
} else { |
$r->print("<h1>Not implemented</h1>"); |
$r->print('<h1>'.&mt('Not implemented').'</h1>'); |
} |
} |
return; |
return; |
} |
} |
Line 324 sub output_html_grouped_by_sequence {
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Line 329 sub output_html_grouped_by_sequence {
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my ($r) = @_; |
my ($r) = @_; |
my $problem_num = 0; |
my $problem_num = 0; |
#$r->print(&ProblemStatisticsLegend()); |
#$r->print(&ProblemStatisticsLegend()); |
my @Header = ("Title","Part","#Stdnts","Tries","Mod", |
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"Mean","#YES","#yes","%Wrng","DoDiff", |
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"S.D.","Skew.");#,"D.F.1st","D.F.2nd"); |
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# #FFFFE6 #EEFFCC #DDFFFF FFDDDD #DDFFDD #FFDDFF |
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foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
next if ($sequence->{'num_assess'}<1); |
next if ($sequence->{'num_assess'}<1); |
$r->print("<h3>".$sequence->{'title'}."</h3>"); |
$r->print("<h3>".$sequence->{'title'}."</h3>"); |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
$r->print('<table border="0" cellpadding="3">'."\n"); |
$r->print('<table border="0" cellpadding="3">'."\n"); |
$r->print('<tr bgcolor="#FFFFE6"><th>'. |
$r->print('<tr bgcolor="#FFFFE6">'); |
join("</th><th>",@Header)."</th></tr>\n"); |
my $Str = &statistics_table_header('no container no plots'); |
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$r->print('<tr bgcolor="#FFFFE6">'.$Str."</tr>\n"); |
foreach my $resource (@{$sequence->{'contents'}}) { |
foreach my $resource (@{$sequence->{'contents'}}) { |
next if ($resource->{'type'} ne 'assessment'); |
next if ($resource->{'type'} ne 'assessment'); |
foreach my $part (@{$resource->{'parts'}}) { |
foreach my $part (@{$resource->{'parts'}}) { |
$problem_num++; |
$problem_num++; |
my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
my $data = &get_statistics($sequence,$resource,$part, |
$SKEW) = &get_statistics($resource->{'symb'},$part); |
$problem_num); |
# |
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$part = ' ' if ($part == 0); |
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# |
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my $wrongpercent = 0; |
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if (defined($num) && $num > 0) { |
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$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
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} |
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my $option = ''; |
my $option = ''; |
$r->print('<tr>'.&statistics_html_table_data |
$r->print('<tr>'.&statistics_html_table_data($data, |
($resource,$part,$num,$tries,$mod,$mean,$Solved, |
'no container'). |
$solved,$wrongpercent,$DegOfDiff,$STD,$SKEW, |
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$option). |
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"</tr>\n"); |
"</tr>\n"); |
} |
} |
} |
} |
Line 381 different columns.
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Line 374 different columns.
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sub output_html_ungrouped { |
sub output_html_ungrouped { |
my ($r,$option) = @_; |
my ($r,$option) = @_; |
# |
# |
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if (exists($ENV{'form.plot'}) && $ENV{'form.plot'} ne '') { |
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&plot_statistics($r,$ENV{'form.plot'}); |
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} |
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# |
my $problem_num = 0; |
my $problem_num = 0; |
my $show_container = 0; |
my $show_container = 0; |
my $show_part = 0; |
my $show_part = 0; |
#$r->print(&ProblemStatisticsLegend()); |
#$r->print(&ProblemStatisticsLegend()); |
my @Header = ("Title","Part","#Stdnts","Tries","Mod", |
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"Mean","#YES","#yes","%Wrng","DoDiff", |
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"S.D.","Skew");#,"D.F.1st","D.F.2nd"); |
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# |
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my $sortby = undef; |
my $sortby = undef; |
foreach (@Header) { |
foreach my $field (@Fields) { |
if ($ENV{'form.sortby'} eq $_) { |
if ($ENV{'form.sortby'} eq $field->{'name'}) { |
$sortby = $_; |
$sortby = $field->{'name'}; |
} |
} |
} |
} |
if (! defined($sortby) || $sortby eq '') { |
if (! defined($sortby) || $sortby eq '' || $sortby eq 'problem_num') { |
$sortby = 'Container'; |
$sortby = 'container'; |
} |
} |
# If there is more than one sequence, list their titles |
# If there is more than one sequence, list their titles |
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess(); |
if (@Sequences > 1) { |
if (@Sequences < 1) { |
unshift(@Header,"Container"); |
$option .= ' no container'; |
$show_container = 1; |
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} |
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# |
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# If the option for showing the problem number is needed, push that |
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# on the list too |
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if (defined($option) && $option =~ /show probnum/) { |
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unshift(@Header,"P#"); |
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} |
} |
# |
# |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
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$r->rflush(); |
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# |
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# Compile the data |
# Compile the data |
my @Statsarray; |
my @Statsarray; |
foreach my $sequence (@Sequences) { |
foreach my $sequence (@Sequences) { |
Line 422 sub output_html_ungrouped {
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Line 405 sub output_html_ungrouped {
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next if ($resource->{'type'} ne 'assessment'); |
next if ($resource->{'type'} ne 'assessment'); |
foreach my $part (@{$resource->{'parts'}}) { |
foreach my $part (@{$resource->{'parts'}}) { |
$problem_num++; |
$problem_num++; |
my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
my $data = &get_statistics($sequence,$resource,$part, |
$SKEW) = &get_statistics($resource->{'symb'},$part); |
$problem_num); |
# |
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$show_part = 1 if ($part ne '0'); |
$show_part = 1 if ($part ne '0'); |
$part = ' ' if ($part == 0); |
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# |
# |
my $wrongpercent = 0; |
push (@Statsarray,$data); |
if (defined($num) && $num > 0) { |
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$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
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} |
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push (@Statsarray, |
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{ 'sequence' => $sequence, |
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'resource' => $resource, |
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'Title' => $resource->{'title'}, |
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'Part' => $part, |
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'#Stdnts' => $num, |
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'Tries' => $tries, |
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'Mod' => $mod, |
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'Mean' => $mean, |
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'#YES' => $Solved, |
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'#yes' => $solved, |
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'%Wrng' => $wrongpercent, |
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'DoDiff' => $DegOfDiff, |
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'S.D.' => $STD, |
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'Skew' => $SKEW, |
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'problem_num' => $problem_num, |
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}); |
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} |
} |
} |
} |
} |
} |
# |
# |
# Table Headers |
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$r->print('<table border="0" cellpadding="3">'."\n"); |
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my $Str = ''; |
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foreach (@Header) { |
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next if ($_ eq 'Part' && !$show_part); |
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# Do not allow sorting on some fields |
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if ($_ eq $sortby || /^(Part|P\#)$/) { |
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$Str .= '<th>'.$_.'</th>'; |
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} else { |
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$Str .= '<th>'. |
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'<a href="javascript:document.Statistics.sortby.value='."'$_'". |
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';document.Statistics.submit();">'. |
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$_.'</a></th>'; |
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} |
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} |
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$r->print('<tr bgcolor="#FFFFE6">'.$Str."</tr>\n"); |
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# |
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# Sort the data |
# Sort the data |
my @OutputOrder; |
my @OutputOrder; |
if ($sortby eq 'Container') { |
if ($sortby eq 'container') { |
@OutputOrder = @Statsarray; |
@OutputOrder = @Statsarray; |
} else { |
} else { |
# $sortby is already defined, so we can charge ahead |
# $sortby is already defined, so we can charge ahead |
Line 480 sub output_html_ungrouped {
|
Line 424 sub output_html_ungrouped {
|
# Alpha comparison |
# Alpha comparison |
@OutputOrder = sort { |
@OutputOrder = sort { |
lc($a->{$sortby}) cmp lc($b->{$sortby}) || |
lc($a->{$sortby}) cmp lc($b->{$sortby}) || |
lc($a->{'Title'}) cmp lc($b->{'Title'}) || |
lc($a->{'title'}) cmp lc($b->{'title'}) || |
lc($a->{'Part'}) cmp lc($b->{'Part'}); |
lc($a->{'part'}) cmp lc($b->{'part'}); |
} @Statsarray; |
} @Statsarray; |
} else { |
} else { |
# Numerical comparison |
# Numerical comparison |
Line 501 sub output_html_ungrouped {
|
Line 445 sub output_html_ungrouped {
|
} |
} |
if ($retvalue eq '0') { |
if ($retvalue eq '0') { |
$retvalue = $b->{$sortby} <=> $a->{$sortby} || |
$retvalue = $b->{$sortby} <=> $a->{$sortby} || |
lc($a->{'Title'}) <=> lc($b->{'Title'}) || |
lc($a->{'title'}) <=> lc($b->{'title'}) || |
lc($a->{'Part'}) <=> lc($b->{'Part'}); |
lc($a->{'part'}) <=> lc($b->{'part'}); |
} |
} |
$retvalue; |
$retvalue; |
} @Statsarray; |
} @Statsarray; |
} |
} |
} |
} |
$option .= ',no part' if (! $show_part); |
$option .= 'no part' if (! $show_part); |
foreach my $row (@OutputOrder) { |
my $num_output = 0; |
$r->print('<tr>'); |
# |
if (defined($option) && $option =~ /show probnum/) { |
# output the headers |
$r->print('<td bgcolor="#FFFFE6">'.$row->{'problem_num'}.'</td>'); |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
} |
$r->print('<table border="0" cellpadding="3">'."\n"); |
if ($show_container) { |
my $Str = &statistics_table_header($option.' sortable'); |
$r->print('<td bgcolor="#FFFFE6">' |
$r->print('<tr bgcolor="#FFFFE6">'.$Str."</tr>\n"); |
.$row->{'sequence'}->{'title'}.'</td>'); |
# |
} |
foreach my $rowdata (@OutputOrder) { |
$r->print(&statistics_html_table_data |
$num_output++; |
($row->{'resource'},$row->{'Part'},$row->{'#Stdnts'}, |
if ($num_output % 25 == 0) { |
$row->{'Tries'},$row->{'Mod'},$row->{'Mean'}, |
$r->print("</table>\n</td></tr></table>\n"); |
$row->{'#YES'},$row->{'#yes'},$row->{"\%Wrng"}, |
# |
$row->{'DoDiff'},$row->{'S.D.'},$row->{'Skew'}, |
$r->print('<table border="0"><tr><td bgcolor="#777777">'."\n"); |
$option)); |
$r->print('<table border="0" cellpadding="3">'."\n"); |
$r->print("</tr>\n"); |
my $Str = &statistics_table_header($option.' sortable'); |
|
$r->print('<tr bgcolor="#FFFFE6">'.$Str."</tr>\n"); |
|
$r->rflush(); |
|
} |
|
$r->print('<tr>'.&statistics_html_table_data($rowdata,$option). |
|
"</tr>\n"); |
} |
} |
$r->print("</table>\n"); |
$r->print("</table>\n"); |
$r->print("</td></tr></table>\n"); |
$r->print("</td></tr></table>\n"); |
Line 564 sub output_excel {
|
Line 513 sub output_excel {
|
# Check for errors |
# Check for errors |
if (! defined($excel_workbook)) { |
if (! defined($excel_workbook)) { |
$r->log_error("Error creating excel spreadsheet $filename: $!"); |
$r->log_error("Error creating excel spreadsheet $filename: $!"); |
$r->print("Problems creating new Excel file. ". |
$r->print(&mt("Problems creating new Excel file. ". |
"This error has been logged. ". |
"This error has been logged. ". |
"Please alert your LON-CAPA administrator"); |
"Please alert your LON-CAPA administrator.")); |
return ; |
return ; |
} |
} |
# |
# |
Line 581 sub output_excel {
|
Line 530 sub output_excel {
|
if (length($sheetname) > 31) { |
if (length($sheetname) > 31) { |
$sheetname = substr($sheetname,0,31); |
$sheetname = substr($sheetname,0,31); |
} |
} |
$excel_sheet = $excel_workbook->addworksheet($sheetname); |
$excel_sheet = $excel_workbook->addworksheet( |
|
&Apache::loncommon::clean_excel_name($sheetname) |
|
); |
# |
# |
# Put the course description in the header |
# Put the course description in the header |
$excel_sheet->write($rows_output,$cols_output++, |
$excel_sheet->write($rows_output,$cols_output++, |
Line 615 sub output_excel {
|
Line 566 sub output_excel {
|
$rows_output++; |
$rows_output++; |
$cols_output=0; |
$cols_output=0; |
# |
# |
# Add the headers |
# Long Headersheaders |
my @Header = ("Container","Title","Part","#Stdnts","Tries","Mod", |
foreach my $field (@Fields) { |
"Mean","#YES","#yes","%Wrng","DoDiff", |
next if ($field->{'name'} eq 'problem_num'); |
"S.D.","Skew.");#,"D.F.1st","D.F.2nd"); |
if (exists($field->{'long_title'})) { |
foreach (@Header) { |
$excel_sheet->write($rows_output,$cols_output++, |
$excel_sheet->write($rows_output,$cols_output++,$_); |
$field->{'long_title'}); |
|
} else { |
|
$excel_sheet->write($rows_output,$cols_output++,''); |
|
} |
|
} |
|
$rows_output++; |
|
$cols_output=0; |
|
# Brief headers |
|
foreach my $field (@Fields) { |
|
next if ($field->{'name'} eq 'problem_num'); |
|
# 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'}); |
} |
} |
$rows_output++; |
$rows_output++; |
# |
# |
# Write the data |
# Write the data |
|
my $problem_num=0; |
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
next if ($sequence->{'num_assess'}<1); |
next if ($sequence->{'num_assess'}<1); |
foreach my $resource (@{$sequence->{'contents'}}) { |
foreach my $resource (@{$sequence->{'contents'}}) { |
next if ($resource->{'type'} ne 'assessment'); |
next if ($resource->{'type'} ne 'assessment'); |
foreach my $part (@{$resource->{'parts'}}) { |
foreach my $part (@{$resource->{'parts'}}) { |
$cols_output=0; |
$cols_output=0; |
my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD, |
$problem_num++; |
$SKEW) = &get_statistics($resource->{'symb'},$part); |
my $data = &get_statistics($sequence,$resource,$part, |
|
$problem_num); |
# |
# |
if (!defined($part) || $part eq '') { |
if (!defined($part) || $part eq '') { |
$part = ' '; |
$part = ' '; |
} |
} |
my $wrongpercent = 0; |
foreach my $field (@Fields) { |
if (defined($num) && $num > 0) { |
next if ($field->{'name'} eq 'problem_num'); |
$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
$excel_sheet->write($rows_output,$cols_output++, |
} |
$data->{$field->{'name'}}); |
foreach ($sequence->{'title'},$resource->{'title'},$part, |
|
$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent, |
|
$DegOfDiff,$STD,$SKEW) { |
|
$excel_sheet->write($rows_output,$cols_output++,$_); |
|
} |
} |
$rows_output++; |
$rows_output++; |
} |
} |
Line 655 sub output_excel {
|
Line 616 sub output_excel {
|
$excel_workbook->close(); |
$excel_workbook->close(); |
# Tell the user where to get their excel file |
# Tell the user where to get their excel file |
$r->print('<br />'. |
$r->print('<br />'. |
'<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n"); |
'<a href="'.$filename.'">'. |
|
&mt('Your Excel Spreadsheet').'</a>'."\n"); |
$r->rflush(); |
$r->rflush(); |
return; |
return; |
} |
} |
Line 674 Help function used to format the rows fo
|
Line 636 Help function used to format the rows fo
|
############################################### |
############################################### |
############################################### |
############################################### |
sub statistics_html_table_data { |
sub statistics_html_table_data { |
my ($resource,$part,$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent, |
my ($data,$options) = @_; |
$DegOfDiff,$STD,$SKEW,$options) = @_; |
|
my $row = ''; |
my $row = ''; |
$row .= '<td bgcolor="#FFFFE6">'. |
foreach my $field (@Fields) { |
'<a href="'.$resource->{'src'}.'" target="_blank" >'. |
next if ($options =~ /no $field->{'name'}/); |
$resource->{'title'}.'</a>'. |
$row .= '<td bgcolor="'.$field->{'color'}.'"'; |
'</td>'; |
if (exists($field->{'align'})) { |
$row .= '<td bgcolor="#FFFFE6">'.$part.'</td>' if ($options !~ /no part/); |
$row .= ' align="'.$field->{'align'}.'"'; |
foreach ($num,$tries) { |
} |
$row .= '<td bgcolor="#EEFFCC" align="right">'.$_.'</td>'; |
$row .= '>'; |
} |
if (exists($field->{'special'}) && $field->{'special'} eq 'link') { |
foreach ($mod) { |
$row .= '<a href="'.$data->{$field->{'name'}.'.link'}.'">'; |
$row .= '<td bgcolor="#DDFFFF" align="right">'.$_.'</td>'; |
} |
} |
if (exists($field->{'format'})) { |
foreach ($mean) { |
$row .= sprintf($field->{'format'},$data->{$field->{'name'}}); |
$row .= '<td bgcolor="#DDFFFF" align="right">'. |
} else { |
sprintf("%5.2f",$_).'</td>'; |
$row .= $data->{$field->{'name'}}; |
} |
} |
foreach ($Solved,$solved) { |
if (exists($field->{'special'}) && $field->{'special'} eq 'link') { |
$row .= '<td bgcolor="#DDFFFF" align="right">'.$_.'</td>'; |
$row.= '</a>'; |
} |
} |
foreach ($wrongpercent) { |
$row .= '</td>'; |
$row .= '<td bgcolor="#DDFFFF" align="right">'. |
|
sprintf("%5.1f",$_).'</td>'; |
|
} |
|
foreach ($DegOfDiff,$STD,$SKEW) { |
|
$row .= '<td bgcolor="#FFDDDD" align="right">'. |
|
sprintf("%5.2f",$_).'</td>'; |
|
} |
} |
return $row; |
return $row; |
} |
} |
|
|
|
sub statistics_table_header { |
|
my ($options) = @_; |
|
my $header_row; |
|
foreach my $field (@Fields) { |
|
next if ($options =~ /no $field->{'name'}/); |
|
$header_row .= '<th>'; |
|
if ($options =~ /sortable/ && |
|
exists($field->{'sortable'}) && $field->{'sortable'} eq 'yes') { |
|
$header_row .= '<a href="javascript:'. |
|
'document.Statistics.sortby.value='."'".$field->{'name'}."'". |
|
';document.Statistics.submit();">'; |
|
} |
|
$header_row .= &mt($field->{'title'}); |
|
if ($options =~ /sortable/) { |
|
$header_row.= '</a>'; |
|
} |
|
if ($options !~ /no plots/ && |
|
exists($field->{'graphable'}) && |
|
$field->{'graphable'} eq 'yes') { |
|
$header_row.=' ('; |
|
$header_row .= '<a href="javascript:'. |
|
"document.Statistics.plot.value='$field->{'name'}'". |
|
';document.Statistics.submit();">'; |
|
$header_row .= &mt('plot').'</a>)'; |
|
} |
|
$header_row .= '</th>'; |
|
} |
|
return $header_row; |
|
} |
|
|
############################################### |
############################################### |
############################################### |
############################################### |
|
|
Line 721 sub plot_statistics {
|
Line 706 sub plot_statistics {
|
my ($r,$datafield) = @_; |
my ($r,$datafield) = @_; |
my @Data; |
my @Data; |
# |
# |
my %Fields = ('#Stdnts'=> 0, |
# |
'Tries' => 1, |
my $sortfield = undef; |
'Mod' => 2, |
my $title = undef; |
'Mean' => 3, |
foreach my $field (@Fields) { |
'#YES' => 4, |
if ($datafield eq $field->{'name'} && |
'#yes' => 5, |
exists($field->{'graphable'}) && $field->{'graphable'} eq 'yes') { |
'%Wrng' => 9, |
$sortfield = $field->{'name'}; |
'DoDiff' => 6, |
$title = $field->{'long_title'}; |
'S.D.' => 7, |
} |
'Skew' => 8,); |
|
# |
|
my $field = '%Wrng'; |
|
foreach (keys(%Fields)) { |
|
$field = $_ if ($datafield eq $_); |
|
} |
} |
my $fieldindex = $Fields{$field}; |
return if (! defined($sortfield) || $sortfield eq ''); |
# |
# |
my $Max = 0; |
my $Max = 0; |
|
my $problem_num = 0; |
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) { |
next if ($sequence->{'num_assess'}<1); |
next if ($sequence->{'num_assess'}<1); |
foreach my $resource (@{$sequence->{'contents'}}) { |
foreach my $resource (@{$sequence->{'contents'}}) { |
next if ($resource->{'type'} ne 'assessment'); |
next if ($resource->{'type'} ne 'assessment'); |
foreach my $part (@{$resource->{'parts'}}) { |
foreach my $part (@{$resource->{'parts'}}) { |
my @Results= &get_statistics($resource->{'symb'},$part); |
my $problem_number++; |
my ($num,$Solved,$solved) = @Results[0,4,5]; |
my $data = &get_statistics($sequence,$resource,$part, |
my $wrongpercent = 0; |
$problem_num); |
if (defined($num) && $num > 0) { |
my $value = $data->{$sortfield}; |
$wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10; |
$Max = $value if ($Max < $value); |
} |
push (@Data,$value); |
push (@Results,$wrongpercent); |
|
my $data = $Results[$fieldindex]; |
|
$data = 0 if ($data eq 'nan'); |
|
$Max = $data if ($Max<$data); |
|
push (@Data,$data); |
|
} |
} |
} |
} |
} |
} |
# |
# |
# Print out plot request |
# Print out plot request |
my $title = 'Percent Wrong'; |
my $yaxis = ''; |
if ($field eq 'DoDiff') { |
if ($sortfield eq 'per_wrong') { |
$title = 'Degree of Difficulty'; |
$yaxis = 'Percent'; |
} |
|
my $yaxis = 'Percent'; |
|
if ($field eq 'DoDiff') { |
|
$yaxis = ''; |
|
} elsif ($field ne '%Wrng') { |
|
$yaxis = ''; |
|
} |
} |
# |
# |
# Determine appropriate value for $Max |
# Determine appropriate value for $Max |
if ($field eq 'DoDiff') { |
if ($sortfield eq 'deg_of_diff') { |
if ($Max > 0.5) { |
if ($Max > 0.5) { |
$Max = 1; |
$Max = 1; |
} elsif ($Max > 0.2) { |
} elsif ($Max > 0.2) { |
Line 780 sub plot_statistics {
|
Line 750 sub plot_statistics {
|
} elsif ($Max > 0.1) { |
} elsif ($Max > 0.1) { |
$Max = 0.2; |
$Max = 0.2; |
} |
} |
} elsif ($field eq '%Wrng') { |
} elsif ($sortfield eq 'per_wrong') { |
if ($Max > 50) { |
if ($Max > 50) { |
$Max = 100; |
$Max = 100; |
} elsif ($Max > 25) { |
} elsif ($Max > 25) { |
Line 796 sub plot_statistics {
|
Line 766 sub plot_statistics {
|
} |
} |
} |
} |
|
|
$r->print("<p>".&DrawGraph(\@Data,$title,'Problem Number',$yaxis, |
$r->print("<p>".&Apache::loncommon::DrawBarGraph($title, |
$Max)."</p>\n"); |
'Problem Number', |
|
$yaxis, |
|
$Max, |
|
undef, |
|
\@Data)."</p>\n"); |
# |
# |
# Print out the data |
# Print out the data |
$ENV{'form.sortby'} = 'Contents'; |
$ENV{'form.sortby'} = 'Contents'; |
&output_html_ungrouped($r,'show probnum'); |
# &output_html_ungrouped($r); |
return; |
return; |
} |
} |
|
|
############################################### |
|
############################################### |
|
|
|
=pod |
|
|
|
=item &DrawGraph() |
|
|
|
=cut |
|
|
|
############################################### |
|
############################################### |
|
sub DrawGraph { |
|
my ($values,$title,$xaxis,$yaxis,$Max)=@_; |
|
$title = '' if (! defined($title)); |
|
$xaxis = '' if (! defined($xaxis)); |
|
$yaxis = '' if (! defined($yaxis)); |
|
# |
|
my $sendValues = join(',', @$values); |
|
my $sendCount = scalar(@$values); |
|
if ( $Max > 1 ) { |
|
if ($Max % 10) { |
|
if ( int($Max) < $Max ) { |
|
$Max++; |
|
$Max = int($Max); |
|
} |
|
} |
|
} else { |
|
$Max = 1; |
|
} |
|
my @GData = ($title,$xaxis,$yaxis,$Max,$sendCount,$sendValues); |
|
return '<IMG src="/cgi-bin/graph.png?'. |
|
(join('&', @GData)).'" border="1" />'; |
|
} |
|
|
|
sub get_statistics { |
sub get_statistics { |
my ($symb,$part) = @_; |
my ($sequence,$resource,$part,$problem_num) = @_; |
# |
# |
|
my $symb = $resource->{'symb'}; |
my $courseid = $ENV{'request.course.id'}; |
my $courseid = $ENV{'request.course.id'}; |
# |
# |
my $students = \@Apache::lonstatistics::Students; |
my $students = \@Apache::lonstatistics::Students; |
if ($Apache::lonstatistics::SelectedSections[0] eq 'all') { |
if ($Apache::lonstatistics::SelectedSections[0] eq 'all') { |
$students = undef; |
$students = undef; |
} |
} |
my @Results = &Apache::loncoursedata::get_problem_statistics |
my $data = &Apache::loncoursedata::get_problem_statistics |
($students,$symb,$part,$courseid); |
($students,$symb,$part,$courseid); |
return @Results; |
$data->{'part'} = $part; |
|
$data->{'problem_num'} = $problem_num; |
|
$data->{'container'} = $sequence->{'title'}; |
|
$data->{'title'} = $resource->{'title'}; |
|
$data->{'title.link'} = $resource->{'src'}.'?symb='. |
|
&Apache::lonnet::escape($resource->{'symb'}); |
|
# |
|
return $data; |
} |
} |
|
|
############################################### |
############################################### |
Line 860 sub get_statistics {
|
Line 808 sub get_statistics {
|
|
|
=item &ProblemStatisticsLegend() |
=item &ProblemStatisticsLegend() |
|
|
|
HELP This needs to be localized, or at least generated automatically. |
|
|
=cut |
=cut |
|
|
############################################### |
############################################### |
Line 874 sub ProblemStatisticsLegend {
|
Line 824 sub ProblemStatisticsLegend {
|
$Ptr .= '<b>Tries</b></td>'; |
$Ptr .= '<b>Tries</b></td>'; |
$Ptr .= '<td>Total number of tries for solving the problem.'; |
$Ptr .= '<td>Total number of tries for solving the problem.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Mod</b></td>'; |
$Ptr .= '<b>Max Tries</b></td>'; |
$Ptr .= '<td>Largest number of tries for solving the problem by a student.'; |
$Ptr .= '<td>Largest number of tries for solving the problem by a student.'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '</td></tr><tr><td>'; |
$Ptr .= '<b>Mean</b></td>'; |
$Ptr .= '<b>Mean</b></td>'; |