'."\n");
$r->print(''."\n");
- $r->print('| '.
- join(" | ",@Header)." |
|---|
\n");
+ $r->print('');
+ my $Str = &statistics_table_header('no container no plots');
+ $r->print(' '.$Str." \n");
foreach my $resource (@{$sequence->{'contents'}}) {
next if ($resource->{'type'} ne 'assessment');
foreach my $part (@{$resource->{'parts'}}) {
- if ($part == 0) {
- $part = ' ';
- }
- my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD,
- $SKEW) = &Apache::loncoursedata::get_problem_statistics
- (undef,$resource->{'symb'},$part,
- $ENV{'request.course.id'});
- my $wrongpercent = 0;
- if (defined($num) && $num > 0) {
- $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;
- }
- $r->print(''.&statistics_html_table_data
- ($resource,$part,$num,$tries,$mod,$mean,$Solved,
- $solved,$wrongpercent,$DegOfDiff,$STD,$SKEW).
+ $problem_num++;
+ my $data = &get_statistics($sequence,$resource,$part,
+ $problem_num);
+ my $option = '';
+ $r->print(' '.&statistics_html_table_data($data,
+ 'no container').
" \n");
}
}
@@ -277,381 +439,470 @@ sub output_html_grouped_by_sequence {
return;
}
-
###############################################
###############################################
+=pod
+
+=item &output_html_ungrouped()
+
+Presents the statistics data in a single html table which can be sorted by
+different columns.
+
+=cut
+
###############################################
###############################################
sub output_html_ungrouped {
- my ($r) = @_;
+ my ($r,$option) = @_;
#
- my $sortby = $ENV{'form.sortby'};
- if (! defined($sortby) || $sortby eq '') {
- $sortby = 'sequence';
+ if (exists($ENV{'form.plot'}) && $ENV{'form.plot'} ne '') {
+ &plot_statistics($r,$ENV{'form.plot'});
}
#
+ my $problem_num = 0;
my $show_container = 0;
+ my $show_part = 0;
#$r->print(&ProblemStatisticsLegend());
- my @Header = ("Title","Part","#Stdnts","Tries","Mod",
- "Mean","#YES","#yes","%Wrng","DoDiff",
- "S.D.","Skew.");#,"D.F.1st","D.F.2nd");
- # #FFFFE6 #EEFFCC #DDFFFF FFDDDD #DDFFDD #FFDDFF
+ my $sortby = undef;
+ foreach my $field (@Fields) {
+ if ($ENV{'form.sortby'} eq $field->{'name'}) {
+ $sortby = $field->{'name'};
+ }
+ }
+ if (! defined($sortby) || $sortby eq '' || $sortby eq 'problem_num') {
+ $sortby = 'container';
+ }
+ # If there is more than one sequence, list their titles
my @Sequences = &Apache::lonstatistics::Sequences_with_Assess();
- if (@Sequences > 1) {
- unshift(@Header,"Container");
- $show_container = 1;
+ if (@Sequences < 1) {
+ $option .= ' no container';
+ }
+ #
+ # Compile the data
+ my @Statsarray;
+ foreach my $sequence (@Sequences) {
+ next if ($sequence->{'num_assess'}<1);
+ foreach my $resource (@{$sequence->{'contents'}}) {
+ next if ($resource->{'type'} ne 'assessment');
+ foreach my $part (@{$resource->{'parts'}}) {
+ $problem_num++;
+ my $data = &get_statistics($sequence,$resource,$part,
+ $problem_num);
+ $show_part = 1 if ($part ne '0');
+ #
+ push (@Statsarray,$data);
+ }
+ }
+ }
+ #
+ # Sort the data
+ my @OutputOrder;
+ if ($sortby eq 'container') {
+ @OutputOrder = @Statsarray;
+ } else {
+ # $sortby is already defined, so we can charge ahead
+ if ($sortby =~ /^(title|part)$/i) {
+ # Alpha comparison
+ @OutputOrder = sort {
+ lc($a->{$sortby}) cmp lc($b->{$sortby}) ||
+ lc($a->{'title'}) cmp lc($b->{'title'}) ||
+ lc($a->{'part'}) cmp lc($b->{'part'});
+ } @Statsarray;
+ } else {
+ # Numerical comparison
+ @OutputOrder = sort {
+ my $retvalue = 0;
+ if ($b->{$sortby} eq 'nan') {
+ if ($a->{$sortby} ne 'nan') {
+ $retvalue = -1;
+ } else {
+ $retvalue = 0;
+ }
+ }
+ if ($a->{$sortby} eq 'nan') {
+ if ($b->{$sortby} ne 'nan') {
+ $retvalue = 1;
+ }
+ }
+ if ($retvalue eq '0') {
+ $retvalue = $b->{$sortby} <=> $a->{$sortby} ||
+ lc($a->{'title'}) <=> lc($b->{'title'}) ||
+ lc($a->{'part'}) <=> lc($b->{'part'});
+ }
+ $retvalue;
+ } @Statsarray;
+ }
}
+ $option .= 'no part' if (! $show_part);
+ my $num_output = 0;
#
+ # output the headers
$r->print(''."\n");
$r->print(''."\n");
- my $Str = '';
- foreach (@Header) {
- $Str .= '| '.
- ''.
- $_.' | ';
- }
+ my $Str = &statistics_table_header($option.' sortable');
$r->print(''.$Str." \n");
+ #
+ foreach my $rowdata (@OutputOrder) {
+ $num_output++;
+ if ($num_output % 25 == 0) {
+ $r->print(" \n |
\n");
+ #
+ $r->print(''."\n");
+ $r->print(''."\n");
+ my $Str = &statistics_table_header($option.' sortable');
+ $r->print(''.$Str." \n");
+ $r->rflush();
+ }
+ $r->print(''.&statistics_html_table_data($rowdata,$option).
+ " \n");
+ }
+ $r->print(" \n");
+ $r->print(" |
\n");
$r->rflush();
#
- foreach my $sequence (@Sequences) {
+ return;
+}
+
+###############################################
+###############################################
+
+=pod
+
+=item &output_excel()
+
+Presents the statistical data in an Excel 95 compatable spreadsheet file.
+
+=cut
+
+###############################################
+###############################################
+sub output_excel {
+ my ($r) = @_;
+ my $filename = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ time.'_'.rand(1000000000).'.xls';
+ #
+ my $excel_workbook = undef;
+ my $excel_sheet = undef;
+ #
+ my $rows_output = 0;
+ my $cols_output = 0;
+ #
+ # Create sheet
+ $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
+ #
+ # Check for errors
+ if (! defined($excel_workbook)) {
+ $r->log_error("Error creating excel spreadsheet $filename: $!");
+ $r->print("Problems creating new Excel file. ".
+ "This error has been logged. ".
+ "Please alert your LON-CAPA administrator");
+ return ;
+ }
+ #
+ # The excel spreadsheet stores temporary data in files, then put them
+ # together. If needed we should be able to disable this (memory only).
+ # The temporary directory must be specified before calling 'addworksheet'.
+ # File::Temp is used to determine the temporary directory.
+ $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
+ #
+ # Add a worksheet
+ my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ if (length($sheetname) > 31) {
+ $sheetname = substr($sheetname,0,31);
+ }
+ $excel_sheet = $excel_workbook->addworksheet($sheetname);
+ #
+ # Put the course description in the header
+ $excel_sheet->write($rows_output,$cols_output++,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.description'});
+ $cols_output += 3;
+ #
+ # Put a description of the sections listed
+ my $sectionstring = '';
+ my @Sections = @Apache::lonstatistics::SelectedSections;
+ if (scalar(@Sections) > 1) {
+ if (scalar(@Sections) > 2) {
+ my $last = pop(@Sections);
+ $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
+ } else {
+ $sectionstring = "Sections ".join(' and ',@Sections);
+ }
+ } else {
+ if ($Sections[0] eq 'all') {
+ $sectionstring = "All sections";
+ } else {
+ $sectionstring = "Section ".$Sections[0];
+ }
+ }
+ $excel_sheet->write($rows_output,$cols_output++,$sectionstring);
+ $cols_output += scalar(@Sections);
+ #
+ # Put the date in there too
+ $excel_sheet->write($rows_output,$cols_output++,
+ 'Compiled on '.localtime(time));
+ #
+ $rows_output++;
+ $cols_output=0;
+ #
+ # Add the headers
+ foreach my $field (@Fields) {
+ next if ($field->{'name'} eq 'problem_num');
+ $excel_sheet->write($rows_output,$cols_output++,$field->{'title'});
+ }
+ $rows_output++;
+ #
+ # Write the data
+ my $problem_num=0;
+ foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) {
next if ($sequence->{'num_assess'}<1);
foreach my $resource (@{$sequence->{'contents'}}) {
next if ($resource->{'type'} ne 'assessment');
foreach my $part (@{$resource->{'parts'}}) {
- my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD,
- $SKEW) = &Apache::loncoursedata::get_problem_statistics
- (undef,$resource->{'symb'},$part,
- $ENV{'request.course.id'});
- if ($part == 0) {
- $part = ' ';
- }
- my $wrongpercent = 0;
- if (defined($num) && $num > 0) {
- $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;
+ $cols_output=0;
+ $problem_num++;
+ my $data = &get_statistics($sequence,$resource,$part,
+ $problem_num);
+ #
+ if (!defined($part) || $part eq '') {
+ $part = ' ';
}
- if ($show_container) {
- $r->print(''.
- '| '.$sequence->{'title'}.
- ' | '.
- &statistics_html_table_data
- ($resource,$part,$num,$tries,$mod,$mean,$Solved,
- $solved,$wrongpercent,$DegOfDiff,$STD,$SKEW).
- " \n");
- } else {
- $r->print(''.&statistics_html_table_data
- ($resource,$part,$num,$tries,$mod,$mean,$Solved,
- $solved,$wrongpercent,$DegOfDiff,$STD,$SKEW).
- " \n");
+ foreach my $field (@Fields) {
+ next if ($field->{'name'} eq 'problem_num');
+ $excel_sheet->write($rows_output,$cols_output++,
+ $data->{$field->{'name'}});
}
+ $rows_output++;
}
}
}
- $r->print(" \n");
- $r->print(" |