version 1.94, 2004/10/06 15:37:59
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version 1.102, 2005/03/14 20:28:22
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Line 231 my @Fields = (
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Line 231 my @Fields = (
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selectable => 'yes', |
selectable => 'yes', |
defaultselected => 'yes', |
defaultselected => 'yes', |
}, |
}, |
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{ name => 'tries_per_correct', |
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title => 'tries/correct', |
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align => 'right', |
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color => '#FFDDDD', |
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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 => 'Tries per Correct Answer', |
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selectable => 'yes', |
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defaultselected => 'yes', |
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}, |
{ name => 'num_wrong', |
{ name => 'num_wrong', |
title => '#Wrng', |
title => '#Wrng', |
align => 'right', |
align => 'right', |
Line 342 my @Fields = (
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Line 353 my @Fields = (
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# selectable => 'no', |
# selectable => 'no', |
# defaultselected => 'yes', |
# defaultselected => 'yes', |
# }, |
# }, |
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# |
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## problem weight for instructor |
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{ name => 'weight', |
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title => 'weight', |
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align => 'right', |
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color => '#FFFFFF', |
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sortable => 'no', |
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graphable => 'no', |
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long_title => 'Problem weight (for instructor)', |
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selectable => 'yes', |
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defaultselected => 'yes', |
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}, |
); |
); |
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my @SeqFields = ( |
my @SeqFields = ( |
Line 603 sub CreateInterface {
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Line 626 sub CreateInterface {
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$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); |
$Str .= '</td><td align="center">'; |
$Str .= '</td><td align="center">'; |
# |
# |
my $only_seq_with_assessments = sub { |
$Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5); |
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>'.&field_selection_input(); |
$Str .= '</td><td>'.&field_selection_input(); |
$Str .= '</td></tr>'."\n"; |
$Str .= '</td></tr>'."\n"; |
$Str .= '</table>'."\n"; |
$Str .= '</table>'."\n"; |
Line 644 Main interface to problem statistics.
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Line 658 Main interface to problem statistics.
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############################################### |
############################################### |
############################################### |
############################################### |
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my $navmap; |
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my @sequences; |
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sub BuildProblemStatisticsPage { |
sub BuildProblemStatisticsPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
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undef($navmap); |
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undef(@sequences); |
# |
# |
my %Saveable_Parameters = ('Status' => 'scalar', |
my %Saveable_Parameters = ('Status' => 'scalar', |
'statsoutputmode' => 'scalar', |
'statsoutputmode' => 'scalar', |
Line 694 sub BuildProblemStatisticsPage {
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Line 713 sub BuildProblemStatisticsPage {
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# it does not slow things down noticably. |
# it does not slow things down noticably. |
&Apache::loncoursedata::populate_weight_table(); |
&Apache::loncoursedata::populate_weight_table(); |
# |
# |
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($navmap,@sequences) = |
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&Apache::lonstatistics::selected_sequences_with_assessments(); |
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if (! ref($navmap)) { |
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$r->print('<h1>'.&mt('A course-wide error occured.').'</h1>'. |
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'<h3>'.$navmap.'</h3>'); |
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return; |
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} |
if (exists($ENV{'form.Excel'})) { |
if (exists($ENV{'form.Excel'})) { |
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$r->print('<h4>'. |
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&Apache::lonstatistics::section_and_enrollment_description(). |
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'</h4>'); |
&Excel_output($r); |
&Excel_output($r); |
} else { |
} else { |
$r->print('<input type="submit" name="Excel" value="'. |
$r->print('<input type="submit" name="Excel" value="'. |
&mt('Produce Excel Output').'" />'.' 'x5); |
&mt('Produce Excel Output').'" />'.' 'x5); |
$r->rflush(); |
$r->rflush(); |
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$r->print('<h4>'. |
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&Apache::lonstatistics::section_and_enrollment_description(). |
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'</h4>'); |
my $count = 0; |
my $count = 0; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (@sequences) { |
$count += $seq->{'num_assess_parts'}; |
my @resources = |
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&Apache::lonstathelpers::get_resources($navmap,$seq); |
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$count += scalar(@resources); |
} |
} |
if ($count > 10) { |
if ($count > 10) { |
$r->print('<h2>'. |
$r->print('<h2>'. |
Line 744 sub output_sequence_statistics {
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Line 778 sub output_sequence_statistics {
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'<table border="0" cellpadding="3">'."\n". |
'<table border="0" cellpadding="3">'."\n". |
'<tr bgcolor="#FFFFE6">'); |
'<tr bgcolor="#FFFFE6">'); |
$r->print(&sequence_html_header()); |
$r->print(&sequence_html_header()); |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (@sequences) { |
last if ($c->aborted); |
last if ($c->aborted); |
next if ($seq->{'num_assess'} < 1); |
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&compute_sequence_statistics($seq); |
&compute_sequence_statistics($seq); |
$r->print(&sequence_html_output($seq)); |
$r->print(&sequence_html_output($seq)); |
} |
} |
Line 769 sub output_html_by_sequence {
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Line 802 sub output_html_by_sequence {
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my $c = $r->connection(); |
my $c = $r->connection(); |
$r->print(&html_preamble()); |
$r->print(&html_preamble()); |
# |
# |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (@sequences) { |
last if ($c->aborted); |
last if ($c->aborted); |
next if ($seq->{'num_assess'} < 1); |
$r->print("<h3>".$seq->compTitle."</h3>". |
$r->print("<h3>".$seq->{'title'}."</h3>". |
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'<table border="0"><tr><td bgcolor="#777777">'."\n". |
'<table border="0"><tr><td bgcolor="#777777">'."\n". |
'<table border="0" cellpadding="3">'."\n". |
'<table border="0" cellpadding="3">'."\n". |
'<tr bgcolor="#FFFFE6">'. |
'<tr bgcolor="#FFFFE6">'. |
Line 909 sub sequence_html_header {
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Line 941 sub sequence_html_header {
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sub sequence_html_output { |
sub sequence_html_output { |
my ($seq) = @_; |
my ($seq) = @_; |
my $data = $SeqStat{$seq->{'symb'}}; |
my $data = $SeqStat{$seq->symb}; |
my $row = '<tr>'; |
my $row = '<tr>'; |
foreach my $field (@SeqFields) { |
foreach my $field (@SeqFields) { |
next if ($field->{'selected'} ne 'yes'); |
next if ($field->{'selected'} ne 'yes'); |
Line 1238 sub Excel_output {
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Line 1270 sub Excel_output {
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&compute_all_statistics($r); |
&compute_all_statistics($r); |
my $c = $r->connection; |
my $c = $r->connection; |
return if ($c->aborted()); |
return if ($c->aborted()); |
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# |
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my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
## |
## |
## Create the excel workbook |
## Create the excel workbook |
my $filename = '/prtspool/'. |
my ($excel_workbook,$filename,$format) = |
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. |
&Apache::loncommon::create_workbook($r); |
time.'_'.rand(1000000000).'.xls'; |
return if (! defined($excel_workbook)); |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
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# |
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# Create sheet |
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my $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); |
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# |
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# Check for errors |
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if (! defined($excel_workbook)) { |
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$r->log_error("Error creating excel spreadsheet $filename: $!"); |
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$r->print(&mt("Problems creating new Excel file. ". |
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"This error has been logged. ". |
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"Please alert your LON-CAPA administrator.")); |
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return 0; |
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} |
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# |
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# The excel spreadsheet stores temporary data in files, then put them |
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# together. If needed we should be able to disable this (memory only). |
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# The temporary directory must be specified before calling 'addworksheet'. |
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# File::Temp is used to determine the temporary directory. |
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$excel_workbook->set_tempdir($Apache::lonnet::tmpdir); |
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# |
# |
# Add a worksheet |
# Add a worksheet |
my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; |
my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; |
Line 1270 sub Excel_output {
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Line 1285 sub Excel_output {
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} |
} |
my $excel_sheet = $excel_workbook->addworksheet( |
my $excel_sheet = $excel_workbook->addworksheet( |
&Apache::loncommon::clean_excel_name($sheetname)); |
&Apache::loncommon::clean_excel_name($sheetname)); |
# |
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my $format = &Apache::loncommon::define_excel_formats($excel_workbook); |
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## |
## |
## Begin creating excel sheet |
## Begin creating excel sheet |
## |
## |
Line 1287 sub Excel_output {
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Line 1300 sub Excel_output {
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my $sectionstring = ''; |
my $sectionstring = ''; |
$excel_sheet->write($rows_output,$cols_output++, |
$excel_sheet->write($rows_output,$cols_output++, |
&Apache::lonstathelpers::sections_description |
&Apache::lonstathelpers::sections_description |
(@Apache::lonstatistics::SelectedSections), |
(&Apache::lonstatistics::get_selected_sections()), |
$format->{'h3'}); |
$format->{'h3'}); |
$cols_output += scalar(@Apache::lonstatistics::SelectedSections); |
$cols_output += scalar(&Apache::lonstatistics::get_selected_sections()); |
# |
# |
# Time restrictions |
# Time restrictions |
my $time_string; |
my $time_string; |
Line 1321 sub Excel_output {
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Line 1334 sub Excel_output {
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## |
## |
&write_headers($excel_sheet,$format,\$rows_output,\$cols_output, |
&write_headers($excel_sheet,$format,\$rows_output,\$cols_output, |
\@SeqFields); |
\@SeqFields); |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (@sequences) { |
next if ($seq->{'num_assess'} < 1); |
my $data = $SeqStat{$seq->symb}; |
my $data = $SeqStat{$seq->{'symb'}}; |
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$cols_output=0; |
$cols_output=0; |
foreach my $field (@SeqFields) { |
foreach my $field (@SeqFields) { |
next if ($field->{'selected'} ne 'yes'); |
next if ($field->{'selected'} ne 'yes'); |
Line 1419 sub write_headers {
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Line 1431 sub write_headers {
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sub compute_statistics_on_sequence { |
sub compute_statistics_on_sequence { |
my ($seq) = @_; |
my ($seq) = @_; |
my @Data; |
my @Data; |
foreach my $res (@{$seq->{'contents'}}) { |
foreach my $res (&Apache::lonstathelpers::get_resources($navmap,$seq)) { |
next if ($res->{'type'} ne 'assessment'); |
foreach my $part (@{$res->parts}) { |
foreach my $part (@{$res->{'parts'}}) { |
next if ($res->is_survey($part)); |
next if ($res->{'partdata'}->{$part}->{'Survey'}); |
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# |
# |
# This is where all the work happens |
# This is where all the work happens |
my $data = &get_statistics($seq,$res,$part,scalar(@StatsArray)+1); |
my $data = &get_statistics($seq,$res,$part,scalar(@StatsArray)+1); |
Line 1440 sub compute_all_statistics {
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Line 1451 sub compute_all_statistics {
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return; |
return; |
} |
} |
my $c = $r->connection; |
my $c = $r->connection; |
foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { |
foreach my $seq (@sequences) { |
last if ($c->aborted); |
last if ($c->aborted); |
next if ($seq->{'num_assess'} < 1); |
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&compute_sequence_statistics($seq); |
&compute_sequence_statistics($seq); |
&compute_statistics_on_sequence($seq); |
&compute_statistics_on_sequence($seq); |
} |
} |
Line 1529 sub get_statistics {
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Line 1539 sub get_statistics {
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my ($sequence,$resource,$part,$problem_num) = @_; |
my ($sequence,$resource,$part,$problem_num) = @_; |
# |
# |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
my $symb = $resource->{'symb'}; |
my $symb = $resource->symb; |
my $courseid = $ENV{'request.course.id'}; |
my $courseid = $ENV{'request.course.id'}; |
# |
# |
my $data = &Apache::loncoursedata::get_problem_statistics |
my $data = &Apache::loncoursedata::get_problem_statistics |
(\@Apache::lonstatistics::SelectedSections, |
([&Apache::lonstatistics::get_selected_sections()], |
$Apache::lonstatistics::enrollment_status, |
$Apache::lonstatistics::enrollment_status, |
$symb,$part,$courseid,$starttime,$endtime); |
$symb,$part,$courseid,$starttime,$endtime); |
$data->{'symb'} = $symb; |
$data->{'symb'} = $symb; |
$data->{'part'} = $part; |
$data->{'part'} = $part; |
$data->{'problem_num'} = $problem_num; |
$data->{'problem_num'} = $problem_num; |
$data->{'container'} = $sequence->{'title'}; |
$data->{'container'} = $sequence->compTitle; |
$data->{'title'} = $resource->{'title'}; |
$data->{'title'} = $resource->compTitle; |
$data->{'title.link'} = $resource->{'src'}.'?symb='. |
$data->{'title.link'} = $resource->src.'?symb='. |
&Apache::lonnet::escape($resource->{'symb'}); |
&Apache::lonnet::escape($resource->symb); |
# |
# |
if ($SelectedFields{'deg_of_disc'}) { |
if ($SelectedFields{'deg_of_disc'}) { |
$data->{'deg_of_disc'} = |
$data->{'deg_of_disc'} = |
Line 1551 sub get_statistics {
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Line 1561 sub get_statistics {
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# |
# |
# Store in metadata if computations were done for all students |
# Store in metadata if computations were done for all students |
if ($data->{'num_students'} > 1) { |
if ($data->{'num_students'} > 1) { |
my @Sections = @Apache::lonstatistics::SelectedSections; |
my @Sections = &Apache::lonstatistics::get_selected_sections(); |
my $sections = '"'.join(' ',@Sections).'"'; |
my $sections = '"'.join(' ',@Sections).'"'; |
$sections =~ s/&+/_/g; # Ensure no special characters |
$sections =~ s/&+/_/g; # Ensure no special characters |
$data->{'sections'}=$sections; |
$data->{'sections'}=$sections; |
$data->{'course'} = $ENV{'request.course.id'}; |
$data->{'course'} = $ENV{'request.course.id'}; |
my $urlres=(&Apache::lonnet::decode_symb($resource->{'symb'}))[2]; |
my $urlres=(&Apache::lonnet::decode_symb($resource->symb))[2]; |
$data->{'urlres'}=$urlres; |
$data->{'urlres'}=$urlres; |
my %storestats = |
my %storestats = |
&LONCAPA::lonmetadata::dynamic_metadata_storage($data); |
&LONCAPA::lonmetadata::dynamic_metadata_storage($data); |
Line 1564 sub get_statistics {
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Line 1574 sub get_statistics {
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&Apache::lonnet::put('nohist_resevaldata',\%storestats,$dom,$user); |
&Apache::lonnet::put('nohist_resevaldata',\%storestats,$dom,$user); |
} |
} |
# |
# |
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$data->{'tries_per_correct'} = $data->{'tries'} / |
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($data->{'num_solved'}+0.1); |
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# |
# Get the due date for research purposes (commented out most of the time) |
# Get the due date for research purposes (commented out most of the time) |
# $data->{'duedate'} = |
# $data->{'duedate'} = |
# &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb); |
# &Apache::lonnet::EXT('resource.'.$part.'.duedate',$symb); |
Line 1573 sub get_statistics {
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Line 1586 sub get_statistics {
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# &Apache::lonnet::EXT('resource.'.$part.'.maxtries',$symb); |
# &Apache::lonnet::EXT('resource.'.$part.'.maxtries',$symb); |
# $data->{'hinttries'} = |
# $data->{'hinttries'} = |
# &Apache::lonnet::EXT('resource.'.$part.'.hinttries',$symb); |
# &Apache::lonnet::EXT('resource.'.$part.'.hinttries',$symb); |
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$data->{'weight'} = |
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&Apache::lonnet::EXT('resource.'.$part.'.weight',$symb); |
# $data->{'resptypes'} = join(',',@{$resource->{'partdata'}->{$part}->{'ResponseTypes'}}); |
# $data->{'resptypes'} = join(',',@{$resource->{'partdata'}->{$part}->{'ResponseTypes'}}); |
return $data; |
return $data; |
} |
} |
Line 1593 Returns: integer between -1 and 1
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Line 1608 Returns: integer between -1 and 1
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############################################### |
############################################### |
############################################### |
############################################### |
sub compute_discrimination_factor { |
sub compute_discrimination_factor { |
my ($resource,$part,$sequence) = @_; |
my ($resource,$part,$seq) = @_; |
|
my $symb = $resource->symb; |
my @Resources; |
my @Resources; |
foreach my $res (@{$sequence->{'contents'}}) { |
foreach my $res (&Apache::lonstathelpers::get_resources($navmap,$seq)){ |
next if ($res->{'symb'} eq $resource->{'symb'}); |
next if ($res->symb eq $symb); |
push (@Resources,$res->{'symb'}); |
push (@Resources,$res->symb); |
} |
} |
# |
# |
# rank |
# rank |
Line 1605 sub compute_discrimination_factor {
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Line 1621 sub compute_discrimination_factor {
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my $ranking = |
my $ranking = |
&Apache::loncoursedata::rank_students_by_scores_on_resources |
&Apache::loncoursedata::rank_students_by_scores_on_resources |
(\@Resources, |
(\@Resources, |
\@Apache::lonstatistics::SelectedSections, |
[&Apache::lonstatistics::get_selected_sections()], |
$Apache::lonstatistics::enrollment_status,undef, |
$Apache::lonstatistics::enrollment_status,undef, |
$starttime,$endtime); |
$starttime,$endtime); |
# |
# |
Line 1623 sub compute_discrimination_factor {
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Line 1639 sub compute_discrimination_factor {
|
return 'nan'; |
return 'nan'; |
} |
} |
my ($bottom_sum,$bottom_max) = |
my ($bottom_sum,$bottom_max) = |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@BottomSet, |
&Apache::loncoursedata::get_sum_of_scores($symb,$part,\@BottomSet, |
undef,$starttime,$endtime); |
undef,$starttime,$endtime); |
my ($top_sum,$top_max) = |
my ($top_sum,$top_max) = |
&Apache::loncoursedata::get_sum_of_scores($resource,$part,\@TopSet, |
&Apache::loncoursedata::get_sum_of_scores($symb,$part,\@TopSet, |
undef,$starttime,$endtime); |
undef,$starttime,$endtime); |
my $deg_of_disc; |
my $deg_of_disc; |
if ($top_max == 0 || $bottom_max==0) { |
if ($top_max == 0 || $bottom_max==0) { |
Line 1658 sub compute_discrimination_factor {
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Line 1674 sub compute_discrimination_factor {
|
############################################### |
############################################### |
sub compute_sequence_statistics { |
sub compute_sequence_statistics { |
my ($seq) = @_; |
my ($seq) = @_; |
my $symb = $seq->{'symb'}; |
my $symb = $seq->symb; |
my @Resources; |
my @Resources; |
foreach my $res (@{$seq->{'contents'}}) { |
my $part_count; |
next if ($res->{'type'} ne 'assessment'); |
foreach my $res (&Apache::lonstathelpers::get_resources($navmap,$seq)) { |
push (@Resources,$res->{'symb'}); |
push (@Resources,$res->symb); |
|
$part_count += scalar(@{$res->parts}); |
} |
} |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
# |
# |
# First compute statistics based on student scores |
# First compute statistics based on student scores |
my ($smin,$smax,$sMean,$sSTD,$scount,$sMAX) = |
my ($smin,$smax,$sMean,$sSTD,$scount,$sMAX) = |
&Apache::loncoursedata::score_stats |
&Apache::loncoursedata::score_stats |
(\@Apache::lonstatistics::SelectedSections, |
([&Apache::lonstatistics::get_selected_sections()], |
$Apache::lonstatistics::enrollment_status, |
$Apache::lonstatistics::enrollment_status, |
\@Resources,$starttime,$endtime,undef); |
\@Resources,$starttime,$endtime,undef); |
$SeqStat{$symb}->{'title'} = $seq->{'title'}; |
$SeqStat{$symb}->{'title'} = $seq->compTitle; |
$SeqStat{$symb}->{'scoremax'} = $smax; |
$SeqStat{$symb}->{'scoremax'} = $smax; |
$SeqStat{$symb}->{'scoremin'} = $smin; |
$SeqStat{$symb}->{'scoremin'} = $smin; |
$SeqStat{$symb}->{'scoremean'} = $sMean; |
$SeqStat{$symb}->{'scoremean'} = $sMean; |
Line 1684 sub compute_sequence_statistics {
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Line 1701 sub compute_sequence_statistics {
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# 'correct' is taken to mean |
# 'correct' is taken to mean |
my ($cmin,$cmax,$cMean,$cSTD,$ccount)= |
my ($cmin,$cmax,$cMean,$cSTD,$ccount)= |
&Apache::loncoursedata::count_stats |
&Apache::loncoursedata::count_stats |
(\@Apache::lonstatistics::SelectedSections, |
([&Apache::lonstatistics::get_selected_sections()], |
$Apache::lonstatistics::enrollment_status, |
$Apache::lonstatistics::enrollment_status, |
\@Resources,$starttime,$endtime,undef); |
\@Resources,$starttime,$endtime,undef); |
my $K = $seq->{'num_assess_parts'}; |
my $K = $part_count; |
my $kr_21; |
my $kr_21; |
if ($K > 1 && $cSTD > 0) { |
if ($K > 1 && $cSTD > 0) { |
$kr_21 = ($K/($K-1)) * (1 - $cMean*($K-$cMean)/($K*$cSTD**2)); |
$kr_21 = ($K/($K-1)) * (1 - $cMean*($K-$cMean)/($K*$cSTD**2)); |