version 1.102, 2005/03/14 20:28:22
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version 1.107, 2006/05/01 19:29:13
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Line 50 Excel files, and plots.
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Line 50 Excel files, and plots.
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package Apache::lonproblemstatistics; |
package Apache::lonproblemstatistics; |
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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::loncoursedata; |
use Apache::loncoursedata; |
Line 516 my %SelectedFields;
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Line 516 my %SelectedFields;
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sub parse_field_selection { |
sub parse_field_selection { |
# |
# |
# Pull out the defaults |
# Pull out the defaults |
if (! defined($ENV{'form.fieldselections'})) { |
if (! defined($env{'form.fieldselections'})) { |
$ENV{'form.fieldselections'} = []; |
$env{'form.fieldselections'} = []; |
foreach my $field (@Fields) { |
foreach my $field (@Fields) { |
next if ($field->{'selectable'} ne 'yes'); |
next if ($field->{'selectable'} ne 'yes'); |
if ($field->{'defaultselected'} eq 'yes') { |
if ($field->{'defaultselected'} eq 'yes') { |
push(@{$ENV{'form.fieldselections'}},$field->{'name'}); |
push(@{$env{'form.fieldselections'}},$field->{'name'}); |
} |
} |
} |
} |
} |
} |
# |
# |
# Make sure the data we are plotting is there |
# Make sure the data we are plotting is there |
my %NeededFields; |
my %NeededFields; |
if (exists($ENV{'form.plot'}) && $ENV{'form.plot'} ne '' && |
if (exists($env{'form.plot'}) && $env{'form.plot'} ne '' && |
$ENV{'form.plot'} ne 'none') { |
$env{'form.plot'} ne 'none') { |
if ($ENV{'form.plot'} eq 'degrees') { |
if ($env{'form.plot'} eq 'degrees') { |
$NeededFields{'deg_of_diff'}++; |
$NeededFields{'deg_of_diff'}++; |
$NeededFields{'deg_of_disc'}++; |
$NeededFields{'deg_of_disc'}++; |
} elsif ($ENV{'form.plot'} eq 'tries statistics') { |
} elsif ($env{'form.plot'} eq 'tries statistics') { |
$NeededFields{'mean_tries'}++; |
$NeededFields{'mean_tries'}++; |
$NeededFields{'std_tries'}++; |
$NeededFields{'std_tries'}++; |
$NeededFields{'problem_num'}++; |
$NeededFields{'problem_num'}++; |
} else { |
} else { |
$NeededFields{$ENV{'form.plot'}}++; |
$NeededFields{$env{'form.plot'}}++; |
} |
} |
} |
} |
# |
# |
# This should not happen, but in case it does... |
# This should not happen, but in case it does... |
if (ref($ENV{'form.fieldselections'}) ne 'ARRAY') { |
if (ref($env{'form.fieldselections'}) ne 'ARRAY') { |
$ENV{'form.fieldselections'} = [$ENV{'form.fieldselections'}]; |
$env{'form.fieldselections'} = [$env{'form.fieldselections'}]; |
} |
} |
# |
# |
# Set the field data and the selected fields (for easier checking) |
# Set the field data and the selected fields (for easier checking) |
Line 559 sub parse_field_selection {
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Line 559 sub parse_field_selection {
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$field->{'selected'} = 'yes'; |
$field->{'selected'} = 'yes'; |
$SelectedFields{$field->{'name'}}++; |
$SelectedFields{$field->{'name'}}++; |
} |
} |
foreach my $selection (@{$ENV{'form.fieldselections'}}) { |
foreach my $selection (@{$env{'form.fieldselections'}}) { |
if ($selection eq $field->{'name'} || $selection eq 'all') { |
if ($selection eq $field->{'name'} || $selection eq 'all') { |
$field->{'selected'} = 'yes'; |
$field->{'selected'} = 'yes'; |
$SelectedFields{$field->{'name'}}++; |
$SelectedFields{$field->{'name'}}++; |
Line 608 sub CreateInterface {
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Line 608 sub CreateInterface {
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&parse_field_selection(); |
&parse_field_selection(); |
# |
# |
my $Str = ''; |
my $Str = ''; |
$Str .= &Apache::lonhtmlcommon::breadcrumbs |
$Str .= &Apache::lonhtmlcommon::breadcrumbs('Overall Problem Statistics', |
(undef,'Overall Problem Statistics','Statistics_Overall_Key'); |
'Statistics_Overall_Key'); |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<table cellspacing="5">'."\n"; |
$Str .= '<tr>'; |
$Str .= '<tr>'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
$Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>'; |
Line 661 Main interface to problem statistics.
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Line 661 Main interface to problem statistics.
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my $navmap; |
my $navmap; |
my @sequences; |
my @sequences; |
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sub clean_up { |
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undef($navmap); |
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undef(@sequences); |
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} |
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sub BuildProblemStatisticsPage { |
sub BuildProblemStatisticsPage { |
my ($r,$c)=@_; |
my ($r,$c)=@_; |
undef($navmap); |
undef($navmap); |
Line 686 sub BuildProblemStatisticsPage {
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Line 691 sub BuildProblemStatisticsPage {
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# Finally let the user know we are here |
# Finally let the user know we are here |
my $interface = &CreateInterface($r); |
my $interface = &CreateInterface($r); |
$r->print($interface); |
$r->print($interface); |
$r->print('<input type="hidden" name="sortby" value="'.$ENV{'form.sortby'}. |
$r->print('<input type="hidden" name="sortby" value="'.$env{'form.sortby'}. |
'" />'); |
'" />'); |
# |
# |
my @CacheButtonHTML = |
my @CacheButtonHTML = |
Line 697 sub BuildProblemStatisticsPage {
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Line 702 sub BuildProblemStatisticsPage {
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} |
} |
# |
# |
$r->print($Str); |
$r->print($Str); |
if (! exists($ENV{'form.firstrun'})) { |
if (! exists($env{'form.firstrun'})) { |
$r->print('<h3>'. |
$r->print('<h3>'. |
&mt('Press "Generate Statistics" when you are ready.'). |
&mt('Press "Generate Statistics" when you are ready.'). |
'</h3><p>'. |
'</h3><p>'. |
Line 705 sub BuildProblemStatisticsPage {
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Line 710 sub BuildProblemStatisticsPage {
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'for the first analysis. Future analysis this session '. |
'for the first analysis. Future analysis this session '. |
' will not have this delay.'). |
' will not have this delay.'). |
'</p>'); |
'</p>'); |
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&clean_up(); |
return; |
return; |
} |
} |
$r->rflush(); |
$r->rflush(); |
Line 718 sub BuildProblemStatisticsPage {
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Line 724 sub BuildProblemStatisticsPage {
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if (! ref($navmap)) { |
if (! ref($navmap)) { |
$r->print('<h1>'.&mt('A course-wide error occured.').'</h1>'. |
$r->print('<h1>'.&mt('A course-wide error occured.').'</h1>'. |
'<h3>'.$navmap.'</h3>'); |
'<h3>'.$navmap.'</h3>'); |
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&clean_up(); |
return; |
return; |
} |
} |
if (exists($ENV{'form.Excel'})) { |
if (exists($env{'form.Excel'})) { |
$r->print('<h4>'. |
$r->print('<h4>'. |
&Apache::lonstatistics::section_and_enrollment_description(). |
&Apache::lonstatistics::section_and_enrollment_description(). |
'</h4>'); |
'</h4>'); |
Line 748 sub BuildProblemStatisticsPage {
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Line 755 sub BuildProblemStatisticsPage {
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$r->rflush(); |
$r->rflush(); |
} |
} |
# |
# |
my $sortby = $ENV{'form.sortby'}; |
my $sortby = $env{'form.sortby'}; |
$sortby = 'container' if (! defined($sortby) || $sortby =~ /^\s*$/); |
$sortby = 'container' if (! defined($sortby) || $sortby =~ /^\s*$/); |
my $plot = $ENV{'form.plot'}; |
my $plot = $env{'form.plot'}; |
if ($plot eq '' || $plot eq 'none') { |
if ($plot eq '' || $plot eq 'none') { |
undef($plot); |
undef($plot); |
} |
} |
Line 765 sub BuildProblemStatisticsPage {
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Line 772 sub BuildProblemStatisticsPage {
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&output_sequence_statistics($r); |
&output_sequence_statistics($r); |
} |
} |
} |
} |
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&clean_up(); |
return; |
return; |
} |
} |
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Line 825 sub output_html_stats {
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Line 833 sub output_html_stats {
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my ($r)=@_; |
my ($r)=@_; |
&compute_all_statistics($r); |
&compute_all_statistics($r); |
$r->print(&html_preamble()); |
$r->print(&html_preamble()); |
&sort_data($ENV{'form.sortby'}); |
&sort_data($env{'form.sortby'}); |
# |
# |
my $count=0; |
my $count=0; |
foreach my $data (@StatsArray) { |
foreach my $data (@StatsArray) { |
Line 847 sub output_html_stats {
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Line 855 sub output_html_stats {
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sub html_preamble { |
sub html_preamble { |
my $Str=''; |
my $Str=''; |
$Str .= "<h2>". |
$Str .= "<h2>". |
$ENV{'course.'.$ENV{'request.course.id'}.'.description'}. |
$env{'course.'.$env{'request.course.id'}.'.description'}. |
"</h2>\n"; |
"</h2>\n"; |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits(); |
if (defined($starttime) || defined($endtime)) { |
if (defined($starttime) || defined($endtime)) { |
Line 971 sub sequence_html_output {
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Line 979 sub sequence_html_output {
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sub make_plot { |
sub make_plot { |
my ($r,$plot) = @_; |
my ($r,$plot) = @_; |
&compute_all_statistics($r); |
&compute_all_statistics($r); |
&sort_data($ENV{'form.sortby'}); |
&sort_data($env{'form.sortby'}); |
if ($plot eq 'degrees') { |
if ($plot eq 'degrees') { |
°rees_plot($r); |
°rees_plot($r); |
} elsif ($plot eq 'tries statistics') { |
} elsif ($plot eq 'tries statistics') { |
Line 1225 END
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Line 1233 END
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sub plot_dropdown { |
sub plot_dropdown { |
my $current = ''; |
my $current = ''; |
# |
# |
if (defined($ENV{'form.plot'})) { |
if (defined($env{'form.plot'})) { |
$current = $ENV{'form.plot'}; |
$current = $env{'form.plot'}; |
} |
} |
# |
# |
my @Additional_Plots = ( |
my @Additional_Plots = ( |
Line 1279 sub Excel_output {
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Line 1287 sub Excel_output {
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return if (! defined($excel_workbook)); |
return if (! defined($excel_workbook)); |
# |
# |
# Add a worksheet |
# Add a worksheet |
my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; |
my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'}; |
if (length($sheetname) > 31) { |
if (length($sheetname) > 31) { |
$sheetname = substr($sheetname,0,31); |
$sheetname = substr($sheetname,0,31); |
} |
} |
Line 1292 sub Excel_output {
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Line 1300 sub Excel_output {
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# |
# |
# 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++, |
$ENV{'course.'.$ENV{'request.course.id'}.'.description'}, |
$env{'course.'.$env{'request.course.id'}.'.description'}, |
$format->{'h1'}); |
$format->{'h1'}); |
$cols_output += 3; |
$cols_output += 3; |
# |
# |
# Put a description of the sections listed |
# Put a description of the sections listed |
my $sectionstring = ''; |
my $sectionstring = ''; |
$excel_sheet->write($rows_output,$cols_output++, |
$excel_sheet->write($rows_output,$cols_output++, |
&Apache::lonstathelpers::sections_description |
&Apache::lonstatistics::section_and_enrollment_description('plaintext'), |
(&Apache::lonstatistics::get_selected_sections()), |
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$format->{'h3'}); |
$format->{'h3'}); |
$cols_output += scalar(&Apache::lonstatistics::get_selected_sections()); |
$cols_output += scalar(&Apache::lonstatistics::get_selected_sections()); |
# |
# |
Line 1540 sub get_statistics {
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Line 1547 sub get_statistics {
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# |
# |
my ($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::get_selected_sections()], |
([&Apache::lonstatistics::get_selected_sections()], |
Line 1565 sub get_statistics {
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Line 1572 sub get_statistics {
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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 = |
Line 1623 sub compute_discrimination_factor {
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Line 1630 sub compute_discrimination_factor {
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(\@Resources, |
(\@Resources, |
[&Apache::lonstatistics::get_selected_sections()], |
[&Apache::lonstatistics::get_selected_sections()], |
$Apache::lonstatistics::enrollment_status,undef, |
$Apache::lonstatistics::enrollment_status,undef, |
$starttime,$endtime); |
$starttime,$endtime, $symb); |
# |
# |
# compute their percent scores on the problems in the sequence, |
# compute their percent scores on the problems in the sequence, |
my $number_to_grab = int(scalar(@{$ranking})/4); |
my $number_to_grab = int(scalar(@{$ranking})/4); |
Line 1633 sub compute_discrimination_factor {
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Line 1640 sub compute_discrimination_factor {
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my @TopSet = |
my @TopSet = |
map { |
map { |
$_->[&Apache::loncoursedata::RNK_student()]; |
$_->[&Apache::loncoursedata::RNK_student()]; |
} @{$ranking}[($num_students-$number_to_grab)..($num_students-1)]; |
} @{$ranking}[-$number_to_grab..0]; |
if (! @BottomSet || (@BottomSet == 1 && $BottomSet[0] eq '') || |
if (! @BottomSet || (@BottomSet == 1 && $BottomSet[0] eq '') || |
! @TopSet || (@TopSet == 1 && $TopSet[0] eq '')) { |
! @TopSet || (@TopSet == 1 && $TopSet[0] eq '')) { |
return 'nan'; |
return 'nan'; |