Annotation of loncom/interface/statistics/lonproblemanalysis.pm, revision 1.99
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: #
1.99 ! matthew 3: # $Id: lonproblemanalysis.pm,v 1.98 2004/10/29 15:52:32 matthew Exp $
1.1 stredwic 4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
1.11 minaeibi 27: package Apache::lonproblemanalysis;
1.1 stredwic 28:
29: use strict;
30: use Apache::lonnet();
1.25 matthew 31: use Apache::loncommon();
1.7 stredwic 32: use Apache::lonhtmlcommon();
1.23 matthew 33: use Apache::loncoursedata();
34: use Apache::lonstatistics;
35: use Apache::lonlocal;
1.71 matthew 36: use Apache::lonstathelpers();
37: use Apache::lonstudentsubmissions();
1.37 matthew 38: use HTML::Entities();
1.42 matthew 39: use Time::Local();
1.43 matthew 40: use Spreadsheet::WriteExcel();
1.2 stredwic 41:
1.40 matthew 42: my $plotcolors = ['#33ff00',
43: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
44: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
45: ];
1.39 matthew 46:
1.54 matthew 47: my @SubmitButtons = ({ name => 'PrevProblemAnalysis',
48: text => 'Previous Problem' },
49: { name => 'ProblemAnalysis',
1.46 matthew 50: text => 'Analyze Problem Again' },
1.54 matthew 51: { name => 'NextProblemAnalysis',
52: text => 'Next Problem' },
53: { name => 'break'},
1.46 matthew 54: { name => 'SelectAnother',
1.53 matthew 55: text => 'Choose a different Problem' },
1.46 matthew 56: { name => 'ExcelOutput',
57: text => 'Produce Excel Output' });
58:
1.1 stredwic 59: sub BuildProblemAnalysisPage {
1.23 matthew 60: my ($r,$c)=@_;
1.49 matthew 61: #
62: my %Saveable_Parameters = ('Status' => 'scalar',
63: 'Section' => 'array',
64: 'NumPlots' => 'scalar',
65: 'AnalyzeOver' => 'scalar',
66: );
67: &Apache::loncommon::store_course_settings('problem_analysis',
68: \%Saveable_Parameters);
69: &Apache::loncommon::restore_course_settings('problem_analysis',
70: \%Saveable_Parameters);
71: #
72: &Apache::lonstatistics::PrepareClasslist();
1.48 matthew 73: #
1.25 matthew 74: $r->print(&CreateInterface());
1.28 matthew 75: #
76: my @Students = @Apache::lonstatistics::Students;
77: #
1.86 matthew 78: if (@Students < 1 && exists($ENV{'form.firstrun'})) {
1.46 matthew 79: $r->print('<h2>There are no students in the sections selected</h2>');
80: }
81: #
1.85 matthew 82: my @CacheButtonHTML =
83: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
1.39 matthew 84: $r->rflush();
1.46 matthew 85: #
1.87 matthew 86: # Support for numerical and radio response isn't complete enough to
87: # include in 1.2 release.
88: # my $problem_types = '(option|radiobutton|numerical)';
1.94 matthew 89: my $problem_types = '.';#(option)';
1.33 matthew 90: if (exists($ENV{'form.problemchoice'}) &&
91: ! exists($ENV{'form.SelectAnother'})) {
1.46 matthew 92: foreach my $button (@SubmitButtons) {
1.54 matthew 93: if ($button->{'name'} eq 'break') {
94: $r->print("<br />\n");
95: } else {
96: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
97: 'value="'.&mt($button->{'text'}).'" />');
98: $r->print(' 'x5);
99: }
1.46 matthew 100: }
1.85 matthew 101: foreach my $html (@CacheButtonHTML) {
102: $r->print($html.(' 'x5));
103: }
1.31 matthew 104: #
1.25 matthew 105: $r->print('<hr />');
1.54 matthew 106: $r->rflush();
107: #
108: # Determine which problem we are to analyze
1.61 matthew 109: my $current_problem = &Apache::lonstathelpers::get_target_from_id
110: ($ENV{'form.problemchoice'});
1.54 matthew 111: #
1.61 matthew 112: my ($prev,$curr,$next) =
113: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
1.66 matthew 114: $problem_types,
115: 'response',
1.61 matthew 116: );
1.54 matthew 117: if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) {
118: $current_problem = $prev;
119: } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) {
120: $current_problem = $next;
121: } else {
122: $current_problem = $curr;
123: }
1.23 matthew 124: #
1.54 matthew 125: # Store the current problem choice and send it out in the form
1.61 matthew 126: $ENV{'form.problemchoice'} =
127: &Apache::lonstathelpers::make_target_id($current_problem);
1.54 matthew 128: $r->print('<input type="hidden" name="problemchoice" value="'.
129: $ENV{'form.problemchoice'}.'" />');
1.28 matthew 130: #
1.54 matthew 131: if (! defined($current_problem->{'resource'})) {
1.46 matthew 132: $r->print('resource is undefined');
133: } else {
1.54 matthew 134: my $resource = $current_problem->{'resource'};
1.44 matthew 135: $r->print('<h1>'.$resource->{'title'}.'</h1>');
1.41 matthew 136: $r->print('<h3>'.$resource->{'src'}.'</h3>');
1.91 matthew 137: if ($ENV{'form.show_prob'} eq 'true') {
138: $r->print(&Apache::lonstathelpers::render_resource($resource));
139: }
1.44 matthew 140: $r->rflush();
1.71 matthew 141: my %Data = &Apache::lonstathelpers::get_problem_data
142: ($resource->{'src'});
1.88 matthew 143: my $problem_data = $Data{$current_problem->{'part'}.
1.54 matthew 144: '.'.
145: $current_problem->{'respid'}};
146: if ($current_problem->{'resptype'} eq 'option') {
1.56 matthew 147: &OptionResponseAnalysis($r,$current_problem,
1.88 matthew 148: $problem_data,
1.47 matthew 149: \@Students);
1.54 matthew 150: } elsif ($current_problem->{'resptype'} eq 'radiobutton') {
1.97 matthew 151: &radio_response_analysis($r,$current_problem,
152: $problem_data,
153: \@Students);
1.66 matthew 154: } elsif ($current_problem->{'resptype'} eq 'numerical') {
1.82 matthew 155: ##
156: ## analyze all responses of a problem at once
157: my $res = $current_problem->{'resource'};
158: foreach my $partid (@{$res->{'parts'}}) {
159: $current_problem->{'part'} = $partid;
160: foreach my $respid (@{$res->{'partdata'}->{$partid}->{'ResponseIds'}}) {
161: $current_problem->{'respid'}=$respid;
162: &NumericalResponseAnalysis($r,$current_problem,
1.88 matthew 163: $problem_data,\@Students);
1.82 matthew 164: }
165: }
1.47 matthew 166: } else {
167: $r->print('<h2>This analysis is not supported</h2>');
168: }
1.7 stredwic 169: }
1.23 matthew 170: $r->print('<hr />');
1.25 matthew 171: } else {
1.31 matthew 172: $r->print('<input type="submit" name="ProblemAnalysis" value="'.
173: &mt('Analyze Problem').'" />');
174: $r->print(' 'x5);
1.27 matthew 175: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
1.61 matthew 176: $r->print(&Apache::lonstathelpers::ProblemSelector
1.66 matthew 177: ($problem_types));
1.1 stredwic 178: }
179: }
180:
1.69 matthew 181:
182: #########################################################
183: #########################################################
184: ##
1.66 matthew 185: ## Numerical Response Routines
186: ##
187: #########################################################
188: #########################################################
189: sub NumericalResponseAnalysis {
1.88 matthew 190: my ($r,$problem,$problem_data,$Students) = @_;
1.79 matthew 191: my $c = $r->connection();
1.82 matthew 192: my ($resource,$partid,$respid) = ($problem->{'resource'},
193: $problem->{'part'},
194: $problem->{'respid'});
195: #
196: if (scalar(@{$resource->{'parts'}})>1) {
197: if (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) {
198: $r->print('<h3>'.
199: &mt('Part [_1], response [_2].',$partid,$respid).
200: '</h3>');
201: } else {
202: $r->print('<h3>'.
203: &mt('Part [_1]',$partid,$respid).
204: '</h3>');
205: }
206: } elsif (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) {
207: $r->print('<h3>'.&mt('Response [_1]',$respid).'</h3>');
208: }
209: #
1.66 matthew 210: my $analysis_html;
1.82 matthew 211: my $PerformanceData = &Apache::loncoursedata::get_response_data
212: (\@Apache::lonstatistics::SelectedSections,
213: $Apache::lonstatistics::enrollment_status,
214: $resource->{'symb'},$respid);
1.66 matthew 215: if (! defined($PerformanceData) ||
216: ref($PerformanceData) ne 'ARRAY' ) {
217: $analysis_html = '<h2>'.
218: &mt('There is no submission data for this resource').
219: '</h2>';
220: $r->print($analysis_html);
221: return;
222: }
1.78 matthew 223: #
224: # This next call causes all the waiting around that people complain about
1.94 matthew 225: &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students,
226: 'Statistics',
227: 'stats_status');
1.79 matthew 228: return if ($c->aborted());
1.78 matthew 229: #
230: # Collate the data
1.68 matthew 231: my %Data;
232: foreach my $student (@$Students) {
233: my $answer = $student->{'answer'};
234: $Data{$answer}++;
235: }
236: my @Labels = sort {$a <=> $b } keys(%Data);
237: my @PlotData = @Data{@Labels};
1.78 matthew 238: #
239: my $width = 500;
240: my $height = 100;
241: my $plot = &one_dimensional_plot($r,500,100,scalar(@$Students),
242: \@Labels,\@PlotData);
243: $r->print($plot);
1.68 matthew 244: return;
1.66 matthew 245: }
246:
1.78 matthew 247: sub one_dimensional_plot {
248: my ($r,$width,$height,$N,$Labels,$Data)=@_;
249: #
250: # Compute data -> image scaling factors
251: my $min = $Labels->[0];
252: my $max = $Labels->[-1];
1.82 matthew 253: if ($max == $min) {
254: $max =$min+1;
255: }
1.78 matthew 256: my $h_scale = ($width-10)/($max-$min);
257: #
258: my $max_y = 0;
259: foreach (@$Data) {
260: $max_y = $_ if ($max_y < $_);
261: }
262: my $ticscale = 5;
263: if ($max_y * $ticscale > $height/2) {
264: $ticscale = int($height/2/$max_y);
265: $ticscale = 1 if ($ticscale < 1);
266: }
267: #
268: # Create the plot
269: my $plot =
270: qq{<drawimage width="$width" height="$height" bgcolor="transparent" >};
271: for (my $idx=0;$idx<scalar(@$Labels);$idx++) {
272: my $xloc = 5+$h_scale*($Labels->[$idx] - $min);
273: my $top = $height/2-$Data->[$idx]*$ticscale;
274: my $bottom = $height/2+$Data->[$idx]*$ticscale;
275: $plot .=
276: &line($xloc,$top,$xloc,$bottom,'888888',1);
277: }
278: #
279: # Put the scale on last to ensure it is on top of the data.
280: if ($min < 0 && $max > 0) {
281: my $circle_x = 5+$h_scale*abs($min); # '0' in data coordinates
282: my $r = 4;
283: $plot .= &line(5,$height/2,$circle_x-$r,$height/2,'000000',1);
284: $plot .= &circle($circle_x,$height/2,$r+1,'000000');
285: $plot .= &line($circle_x+$r,$height/2,$width-5,$height/2,'000000',1);
286: } else {
287: $plot .= &line(5,$height/2,$width-5,$height/2,'000000',1);
288: }
289: $plot .= '</drawimage>';
290: my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot);
291:
292: my $title = 'Distribution of correct answers';
293: my $result = '<table>'.
294: '<tr><td colspan="3" align="center">'.
295: '<font size="+2">'.$title.' (N='.$N.')'.
296: '</font>'.
297: '</td></tr>'.
298: '<tr>'.
299: '<td valign="center">'.$min.'</td>'.
300: '<td>'.$plotresult.'</td>'.
301: '<td valign="center">'.$max.'</td>'.
302: '</tr>'.
303: '<tr><td colspan="3" align="center">'.
304: 'Maximum Number of Coinciding Values: '.$max_y.
305: '</td></tr>'.
306: '</table>';
307: return $result;
308: }
309:
310: ##
311: ## Helper subroutines for <drawimage>.
312: ## These should probably go somewhere more suitable soon.
313: sub line {
314: my ($x1,$y1,$x2,$y2,$color,$thickness) = @_;
315: return qq{<line x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" />$/};
316: }
317:
1.82 matthew 318: sub text {
319: my ($x,$y,$color,$text,$font,$direction) = @_;
320: if (! defined($font) || $font !~ /^(tiny|small|medium|large|giant)$/) {
321: $font = 'medium';
322: }
323: if (! defined($direction) || $direction ne 'vertical') {
324: $direction = '';
325: }
326: return qq{<text x="$x" y="$y" color="$color" font="$font" direction="$direction" >$text</text>};
327: }
328:
1.78 matthew 329: sub rectangle {
330: my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_;
331: return qq{<rectangle x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" filled="$filled" />};
332: }
333:
334: sub arc {
335: my ($x,$y,$width,$height,$start,$end,$color,$thickness,$filled)=@_;
336: return qq{<arc x="$x" y="$y" width="$width" height="$height" start="$start" end="$end" color="$color" thickness="$thickness" filled="$filled" />};
337: }
338:
339: sub circle {
340: my ($x,$y,$radius,$color,$thickness,$filled)=@_;
341: return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled);
1.68 matthew 342: }
343:
344: sub build_student_data_worksheet {
345: my ($workbook,$format) = @_;
346: my $rows_output = 3;
347: my $cols_output = 0;
348: my $worksheet = $workbook->addworksheet('Student Data');
349: $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'});
350: my @Headers = ('full name','username','domain','section',
351: "student\nnumber",'identifier');
352: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
353: my @Students = @Apache::lonstatistics::Students;
354: my $studentrows = &Apache::loncoursedata::get_student_data(\@Students);
355: my %ids;
356: foreach my $row (@$studentrows) {
357: my ($mysqlid,$student) = @$row;
358: $ids{$student}=$mysqlid;
359: }
360: foreach my $student (@Students) {
361: my $name_domain = $student->{'username'}.':'.$student->{'domain'};
362: $worksheet->write_row($rows_output++,0,
363: [$student->{'fullname'},
364: $student->{'username'},$student->{'domain'},
365: $student->{'section'},$student->{'id'},
366: $ids{$name_domain}]);
367: }
368: return $worksheet;
1.66 matthew 369: }
1.47 matthew 370:
371: #########################################################
372: #########################################################
373: ##
374: ## Radio Response Routines
375: ##
376: #########################################################
377: #########################################################
1.97 matthew 378: sub radio_response_analysis {
1.94 matthew 379: my ($r,$problem,$problem_analysis,$students) = @_;
1.97 matthew 380: #
381: if ($ENV{'form.AnalyzeOver'} !~ /^(tries|time)$/) {
1.94 matthew 382: $r->print('Bad request');
383: }
1.97 matthew 384: #
1.94 matthew 385: my ($resource,$partid,$respid) = ($problem->{'resource'},
386: $problem->{'part'},
387: $problem->{'respid'});
388: #
389: my $analysis_html;
390: my $foildata = $problem_analysis->{'_Foils'};
391: my ($table,$foils,$concepts) = &build_foil_index($problem_analysis);
1.97 matthew 392: #
1.98 matthew 393: my %true_foils;
1.97 matthew 394: my $num_true = 0;
1.98 matthew 395: if (! $problem_analysis->{'answercomputed'}) {
396: foreach my $foil (@$foils) {
397: if ($foildata->{$foil}->{'value'} eq 'true') {
398: $true_foils{$foil}++;
399: }
1.97 matthew 400: }
1.98 matthew 401: $num_true = scalar(keys(%true_foils));
1.97 matthew 402: }
403: #
1.94 matthew 404: $analysis_html .= $table;
405: # Gather student data
406: my $response_data = &Apache::loncoursedata::get_response_data
407: (\@Apache::lonstatistics::SelectedSections,
408: $Apache::lonstatistics::enrollment_status,
409: $resource->{'symb'},$respid);
410: my $correct; # either a hash reference or a scalar
411: if ($problem_analysis->{'answercomputed'} || scalar(@$concepts) > 1) {
412: # This takes a while for large classes...
413: &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$students,
414: 'Statistics',
415: 'stats_status');
416: foreach my $student (@$students) {
417: my ($idx,@remainder) = split('&',$student->{'answer'});
418: my ($answer) = ($remainder[$idx]=~/^(.*)=([^=]*)$/);
419: $correct->{$student->{'username'}.':'.$student->{'domain'}}=
420: &Apache::lonnet::unescape($answer);
421: }
422: } else {
423: foreach my $foil (keys(%$foildata)) {
424: if ($foildata->{$foil}->{'value'} eq 'true') {
425: $correct = $foildata->{$foil}->{'name'};
426: }
427: }
428: }
1.97 matthew 429: #
430: if (! defined($response_data) || ref($response_data) ne 'ARRAY' ) {
1.94 matthew 431: $analysis_html = '<h2>'.
432: &mt('There is no submission data for this resource').
433: '</h2>';
434: $r->print($analysis_html);
435: return;
436: }
437: #
438: $analysis_html.='<table>';
1.97 matthew 439: for (my $plot_num = 1;$plot_num<=$ENV{'form.NumPlots'};$plot_num++) {
1.94 matthew 440: # classify data ->correct foil -> selected foil
1.97 matthew 441: my ($restriction_function,
442: $correct_foil_title,$incorrect_foil_title,
443: $pre_graph_text,$post_graph_text,
444: $no_data_text,@extra_data);
445: if ($ENV{'form.AnalyzeOver'} eq 'tries') {
446: $restriction_function = sub {($_[0]->{'tries'} == $plot_num?1:0)};
447: $correct_foil_title = 'Attempt '.$plot_num;
448: $incorrect_foil_title = 'Attempt '.$plot_num;
449: $pre_graph_text =
450: 'Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect';
451: $post_graph_text = '';
452: $no_data_text = 'No data exists for attempt [_1]';
453: } elsif ($ENV{'form.AnalyzeOver'} eq 'time') {
454: my $starttime = &Apache::lonhtmlcommon::get_date_from_form
455: ('startdate_'.$plot_num);
456: my $endtime = &Apache::lonhtmlcommon::get_date_from_form
457: ('enddate_'.$plot_num);
458: ($starttime,$endtime) = &ensure_start_end_times
459: ($starttime,$endtime,
460: &get_time_from_row($response_data->[0]),
461: &get_time_from_row($response_data->[-1]),
462: $plot_num);
463: $pre_graph_text =
464: 'Data from [_5] to [_6], [_2] submissions, [_3] correct, [_4] incorrect';
465: $extra_data[0] = &Apache::lonlocal::locallocaltime($starttime);
466: $extra_data[1] = &Apache::lonlocal::locallocaltime($endtime);
467: #
468: $post_graph_text =
469: &mt('Start time: [_1]',
470: &Apache::lonhtmlcommon::date_setter
471: ('Statistics','startdate_'.$plot_num,$starttime)).
472: '<br />'.
473: &mt('End time: [_1]',
474: &Apache::lonhtmlcommon::date_setter
475: ('Statistics','enddate_'.$plot_num,$endtime));
476: $restriction_function =
477: sub {
478: my $t = $_[0]->{'timestamp'};
479: if ($t >= $starttime && $t < $endtime) {
480: return 1;
481: } else {
482: return 0;
483: }
484: };
485: $no_data_text = 'No data for [_5] to [_6]';
486: }
487: my $foil_choice_data =
1.94 matthew 488: &RR_classify_response_data($response_data,$correct,
1.97 matthew 489: $restriction_function);
490: # &Apache::lonstathelpers::log_hash_ref($foil_choice_data);
1.94 matthew 491: my $answers;
492: if (ref($correct)) {
493: my %tmp;
494: foreach my $foil (values(%$correct)) {
495: $tmp{$foil}++;
496: }
497: $answers = [keys(%tmp)];
498: } else {
499: $answers = [$correct];
500: }
501: # Concept Plot
502: my $concept_plot = '';
503: if (scalar(@$concepts) > 1) {
504: $concept_plot = &RR_concept_plot($concepts,$foil_choice_data,
1.97 matthew 505: 'Correct Concepts');
1.94 matthew 506: }
507: # % Choosing plot
508: my $choice_plot = &RR_create_percent_selected_plot
1.97 matthew 509: ($concepts,$foils,$foil_choice_data,$correct_foil_title);
1.94 matthew 510: # for each correct foil, how did they mark it? (stacked bar graph)
1.97 matthew 511: my ($stacked_plot,$count_by_foil);
512: if ($problem_analysis->{'answercomputed'} || $num_true > 1) {
513: ($stacked_plot,$count_by_foil) =
514: &RR_create_stacked_selection_plot($foils,$foil_choice_data,
1.98 matthew 515: $incorrect_foil_title,
516: \%true_foils);
1.97 matthew 517: }
1.94 matthew 518: #
519: if ($concept_plot ne '' ||
1.97 matthew 520: $choice_plot ne '' ||
1.94 matthew 521: $stacked_plot ne '') {
1.97 matthew 522: my $correct = $foil_choice_data->{'_correct'};
523: if (! defined($correct) || $correct eq '') {
524: $correct = 0;
525: }
526: my $incorrect =
527: $analysis_html.= '<tr><td colspan="4" align="center">'.
528: '<font size="+1">'.
529: &mt($pre_graph_text,
530: $plot_num,$foil_choice_data->{'_count'},
531: $correct,
532: $foil_choice_data->{'_count'}-$correct,
533: @extra_data).
534: '</td></tr>'.$/;
1.94 matthew 535: $analysis_html.=
536: '<tr>'.
537: '<td>'.$concept_plot.'</td>'.
538: '<td>'.$choice_plot.'</td>';
539: if ($stacked_plot ne '') {
540: $analysis_html .=
1.97 matthew 541: '<td>'.$stacked_plot.'</td>'.
542: '<td>'.&build_foil_key($foils,$count_by_foil).'</td>';
1.94 matthew 543: } else {
544: $analysis_html .= ('<td></td>'x2);
545: }
546: $analysis_html.='</tr>'.$/;
1.97 matthew 547: if (defined($post_graph_text)) {
548: $analysis_html.= '<tr><td colspan="4" align="center">'.
549: $post_graph_text.'</td></tr>'.$/;
550: }
551: } elsif ($no_data_text ne '') {
552: $analysis_html.='<tr><td colspan="4" align="center">'.
553: &mt($no_data_text,
554: $plot_num,$foil_choice_data->{'_count'},
555: $correct,
556: $foil_choice_data->{'_count'}-$correct,
557: @extra_data);
558: if (defined($post_graph_text)) {
559: $analysis_html.='<br />'.$post_graph_text;
560: }
561: $analysis_html.='</td></tr>'.$/;
1.94 matthew 562: }
1.97 matthew 563: } # end of loop for plots
1.94 matthew 564: $analysis_html.='</table>';
565: $r->print($analysis_html);
566: }
567:
1.97 matthew 568: sub ensure_start_end_times {
569: my ($start,$end,$first,$last,$plot_num) = @_;
570: if (! defined($start) || ! defined($end)) {
571: my $sec_in_day = 86400;
572: my ($sday,$smon,$syear) =
573: (localtime($last - $sec_in_day*($plot_num-1)))[3..5];
574: $start = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear);
575: $end = $start + $sec_in_day;
576: if ($plot_num == $ENV{'form.NumPlots'}) {
577: $start = $first;
578: }
579: }
580: return ($start,$end);
581: }
1.94 matthew 582:
583: sub RR_concept_plot {
584: my ($concepts,$foil_data,$title) = @_;
585: #
586: my %correct_by_concept;
587: my %incorrect_by_concept;
588: my %true;
589: foreach my $concept (@$concepts) {
590: foreach my $foil (@{$concept->{'foils'}}) {
591: next if (! exists($foil_data->{$foil}));
592: foreach my $choice (keys(%{$foil_data->{$foil}})) {
593: if ($choice eq $foil) {
594: $correct_by_concept{$concept->{'name'}} +=
595: $foil_data->{$foil}->{$choice};
596: } else {
597: $incorrect_by_concept{$concept->{'name'}} +=
598: $foil_data->{$foil}->{$choice};
599:
600: }
601: }
602: }
603: }
604: #
605: # need arrays for incorrect and correct because we want to use different
606: # colors for them
607: my @correct;
608: #
609: my $total =0;
610: for (my $i=0;$i<scalar(@$concepts);$i++) {
611: my $concept = $concepts->[$i];
612: $correct[$i] = $correct_by_concept{$concept->{'name'}};
613: $total += $correct_by_concept{$concept->{'name'}}+
614: $incorrect_by_concept{$concept->{'name'}};
615: }
616: if ($total == 0) { return ''; };
617: for (my $i=0;$i<=$#correct;$i++) {
618: $correct[$i] = sprintf('%0f',$correct[$i]/$total*100);
619: }
620: my $xlabel = 'concept';
621: my $plot= &Apache::loncommon::DrawBarGraph($title,
622: $xlabel,
623: 'Percent Choosing',
624: 100,
625: ['#33ff00','#ff3300'],
626: undef,
627: \@correct);
628: return $plot;
629: }
630:
631: sub RR_create_percent_selected_plot {
1.97 matthew 632: my ($concepts,$foils,$foil_data,$title) = @_;
1.94 matthew 633: #
1.99 ! matthew 634: if ($foil_data->{'_count'} == 0) { return ''; };
! 635: my %correct_selections;
! 636: my %incorrect_selections;
1.94 matthew 637: foreach my $foil (@$foils) {
638: # foil_data has format $foil_data->{true_foil}->{selected foil}
639: next if (! exists($foil_data->{$foil}));
640: while (my ($f,$count)= each(%{$foil_data->{$foil}})) {
1.99 ! matthew 641: if ($f eq $foil) {
! 642: $correct_selections{$foil} += $count;
! 643: } else {
! 644: $incorrect_selections{$foil} += $count;
! 645: }
1.94 matthew 646: }
647: }
648: #
649: # need arrays for incorrect and correct because we want to use different
650: # colors for them
651: my @correct;
652: my @incorrect;
653: #
1.99 ! matthew 654: my $total = $foil_data->{'_count'};
1.94 matthew 655: for (my $i=0;$i<scalar(@$foils);$i++) {
656: my $foil = $foils->[$i];
1.99 ! matthew 657: $correct[$i] = $correct_selections{$foil};
! 658: $incorrect[$i] = $incorrect_selections{$foil};
1.94 matthew 659: }
660: for (my $i=0;$i<=$#correct;$i++) {
1.99 ! matthew 661: &Apache::lonnet::logthis('correct['.$i.']='.$correct[$i]);
! 662: $correct[$i] = sprintf('%2f',$correct[$i]/$total*100);
1.94 matthew 663: }
664: for (my $i=0;$i<=$#incorrect;$i++) {
1.99 ! matthew 665: $incorrect[$i] = sprintf('%2f',$incorrect[$i]/$total*100);
1.94 matthew 666: }
1.97 matthew 667: #
668: # Put a blank in the data sets between concepts, if there are concepts
669: my @labels;
670: if (defined($concepts) && scalar(@$concepts) > 1) {
671: my @new_correct;
672: my @new_incorrect;
673: my $foil_count = 0;
674: foreach my $concept (@$concepts) {
675: foreach (@{$concept->{'foils'}}) {
676: push(@new_correct, $correct[$foil_count]);
677: push(@new_incorrect,$incorrect[$foil_count]);
678: push(@labels,++$foil_count);
679: }
680: push(@new_correct,'');
681: push(@new_incorrect,'');
682: push(@labels,'');
683: }
684: @correct = @new_correct;
685: @incorrect = @new_incorrect;
686: } else {
687: @labels = (1 .. scalar(@correct));
688: }
689: #
1.94 matthew 690: my $xlabel = 'foil chosen';
691: my $plot= &Apache::loncommon::DrawBarGraph($title,
692: $xlabel,
693: 'Percent Choosing',
694: 100,
695: ['#33ff00','#ff3300'],
1.97 matthew 696: \@labels,
1.94 matthew 697: \@correct,
698: \@incorrect);
699: return $plot;
700: }
701:
702: sub RR_create_stacked_selection_plot {
1.98 matthew 703: my ($foils,$foil_data,$title,$true_foils)=@_;
1.94 matthew 704: #
1.97 matthew 705: my @dataset; # array of array refs - multicolor rows $datasets[row]->[col]
1.94 matthew 706: my @labels;
1.97 matthew 707: my $count;
708: my %column; # maps foil name to column in @datasets
1.94 matthew 709: for (my $i=0;$i<scalar(@$foils);$i++) {
1.98 matthew 710: my $foil = $foils->[$i];
711: if (defined($true_foils) && scalar(keys(%$true_foils)) > 0 ) {
712: next if (! $true_foils->{$foil} );
713: push(@labels,$i+1);
714: } else {
715: next if (! exists($foil_data->{$foil}));
716: push(@labels,$i+1);
717: }
1.94 matthew 718: next if (! exists($foil_data->{$foils->[$i]}));
1.98 matthew 719: $column{$foil}= $count++;
1.94 matthew 720: for (my $j=0;$j<scalar(@$foils);$j++) {
721: my $value = 0;
722: if ($i != $j ) {
1.98 matthew 723: $value += $foil_data->{$foil}->{$foils->[$j]};
1.94 matthew 724: }
1.98 matthew 725: $dataset[$j]->[$column{$foil}]=$value;
1.94 matthew 726: }
727: }
728: #
729: return '' if (! scalar(keys(%column)));
730: #
731: my $grand_total = 0;
732: my %count_per_foil;
733: while (my ($foil,$bar) = each (%column)) {
734: my $bar_total = 0;
735: for (my $j=0;$j<scalar(@dataset);$j++) {
736: $bar_total += $dataset[$j]->[$bar];
737: }
738: next if ($bar_total == 0);
739: for (my $j=0;$j<scalar(@dataset);$j++) {
740: $dataset[$j]->[$bar] =
741: sprintf('%2f',$dataset[$j]->[$bar]/$bar_total * 100);
742: }
1.97 matthew 743: $count_per_foil{$foil}=' ( '.$bar_total.' )';
1.94 matthew 744: $grand_total += $bar_total;
745: }
746: if ($grand_total == 0) {
747: return ('',undef);
748: }
749: my @empty_row = ();
750: foreach (@{$dataset[0]}) {
751: push(@empty_row,0);
752: }
753: #
754: my $graph = &Apache::loncommon::DrawBarGraph
755: ($title,'Correct Foil','foils chosen Incorrectly',
756: 100,$plotcolors,\@labels,\@empty_row,@dataset);
757: return ($graph,\%count_per_foil);
758: }
759:
760: # if $correct is a hash ref, it is assumed to be indexed by student names.
761: # the values are assumed to be hash refs with a key of 'answer'.
762: sub RR_classify_response_data {
763: my ($full_row_data,$correct,$function) = @_;
764: my %submission_data;
765: foreach my $row (@$full_row_data) {
766: my %subm = &hashify_attempt($row);
767: if (ref($correct) eq 'HASH') {
768: $subm{'correct'} = $correct->{$subm{'student'}};
769: } else {
770: $subm{'correct'} = $correct;
771: }
772: $subm{'submission'} =~ s/=\d+\s*$//;
773: if (&$function(\%subm)) {
1.97 matthew 774: $submission_data{'_count'}++;
775: if (&submission_is_correct($subm{'award'})) {
776: $submission_data{'_correct'}++;
777: }
1.94 matthew 778: $submission_data{$subm{'correct'}}->{$subm{'submission'}}++;
779: }
780: }
781: return \%submission_data;
782: }
783:
784:
1.33 matthew 785: #########################################################
786: #########################################################
787: ##
1.46 matthew 788: ## Option Response Routines
1.33 matthew 789: ##
790: #########################################################
791: #########################################################
1.46 matthew 792: sub OptionResponseAnalysis {
1.88 matthew 793: my ($r,$problem,$problem_data,$Students) = @_;
1.56 matthew 794: my ($resource,$respid) = ($problem->{'resource'},
795: $problem->{'respid'});
796: # Note: part data is not needed.
1.82 matthew 797: my $PerformanceData = &Apache::loncoursedata::get_response_data
798: (\@Apache::lonstatistics::SelectedSections,
799: $Apache::lonstatistics::enrollment_status,
800: $resource->{'symb'},$respid);
1.46 matthew 801: if (! defined($PerformanceData) ||
802: ref($PerformanceData) ne 'ARRAY' ) {
803: $r->print('<h2>'.
804: &mt('There is no student data for this problem.').
805: '</h2>');
806: } else {
807: $r->rflush();
808: if (exists($ENV{'form.ExcelOutput'})) {
1.57 matthew 809: my $result = &OR_excel_sheet($r,$resource,
810: $PerformanceData,
1.88 matthew 811: $problem_data);
1.46 matthew 812: $r->print($result);
813: $r->rflush();
1.39 matthew 814: } else {
1.94 matthew 815: if ($ENV{'form.AnalyzeOver'} eq 'tries') {
1.57 matthew 816: my $analysis_html = &OR_tries_analysis($r,
1.46 matthew 817: $PerformanceData,
1.88 matthew 818: $problem_data);
1.46 matthew 819: $r->print($analysis_html);
820: $r->rflush();
1.94 matthew 821: } elsif ($ENV{'form.AnalyzeOver'} eq 'time') {
1.57 matthew 822: my $analysis_html = &OR_time_analysis($PerformanceData,
1.88 matthew 823: $problem_data);
1.46 matthew 824: $r->print($analysis_html);
825: $r->rflush();
1.39 matthew 826: } else {
1.46 matthew 827: $r->print('<h2>'.
828: &mt('The analysis you have selected is '.
829: 'not supported at this time').
830: '</h2>');
831: }
1.36 matthew 832: }
1.39 matthew 833: }
834: }
835:
1.33 matthew 836: #########################################################
1.46 matthew 837: #
1.94 matthew 838: # Option Response: tries Analysis
1.46 matthew 839: #
1.33 matthew 840: #########################################################
1.57 matthew 841: sub OR_tries_analysis {
1.43 matthew 842: my ($r,$PerformanceData,$ORdata) = @_;
1.33 matthew 843: my $mintries = 1;
844: my $maxtries = $ENV{'form.NumPlots'};
1.39 matthew 845: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
1.88 matthew 846: my %response_data = &OR_analyze_by_tries($r,$PerformanceData,
1.36 matthew 847: $mintries,$maxtries);
1.42 matthew 848: my $analysis = '';
1.31 matthew 849: #
1.88 matthew 850: # Compute the data necessary to make the plots
851: my @foil_plot;
852: my @concept_data;
853: for (my $j=0;$j<=scalar(@$Concepts);$j++) {
854: my $concept = $Concepts->[$j];
1.75 matthew 855: foreach my $foilid (@{$concept->{'foils'}}) {
1.76 matthew 856: for (my $try=$mintries;$try<=$maxtries;$try++) {
1.88 matthew 857: # concept analysis data
1.93 matthew 858: $concept_data[$j]->[$try]->{'_correct'} +=
1.88 matthew 859: $response_data{$foilid}->[$try]->{'_correct'};
1.93 matthew 860: $concept_data[$j]->[$try]->{'_total'} +=
1.88 matthew 861: $response_data{$foilid}->[$try]->{'_total'};
862: #
863: # foil analysis data
864: if ($response_data{$foilid}->[$try]->{'_total'} == 0) {
865: push(@{$foil_plot[$try]->{'_correct'}},0);
1.42 matthew 866: } else {
1.88 matthew 867: push(@{$foil_plot[$try]->{'_correct'}},
868: 100*$response_data{$foilid}->[$try]->{'_correct'}/
869: $response_data{$foilid}->[$try]->{'_total'});
1.75 matthew 870: }
871: foreach my $option (@{$ORdata->{'_Options'}}) {
1.88 matthew 872: push(@{$foil_plot[$try]->{'_total'}},
873: $response_data{$foilid}->[$try]->{'_total'});
874: if ($response_data{$foilid}->[$try]->{'_total'} == 0) {
875: push (@{$foil_plot[$try]->{$option}},0);
1.39 matthew 876: } else {
1.88 matthew 877: if ($response_data{$foilid}->[$try]->{'_total'} ==
878: $response_data{$foilid}->[$try]->{'_correct'}) {
879: push(@{$foil_plot[$try]->{$option}},0);
1.75 matthew 880: } else {
1.88 matthew 881: push (@{$foil_plot[$try]->{$option}},
1.76 matthew 882: 100 *
1.88 matthew 883: $response_data{$foilid}->[$try]->{$option} /
884: ($response_data{$foilid}->[$try]->{'_total'}
1.76 matthew 885: -
1.88 matthew 886: $response_data{$foilid}->[$try]->{'_correct'}
1.76 matthew 887: ));
1.75 matthew 888: }
1.39 matthew 889: }
1.76 matthew 890: } # End of foreach my $option
1.36 matthew 891: }
1.76 matthew 892: } # End of foreach my $foilid
1.88 matthew 893: } # End of concept loops
1.42 matthew 894: #
895: # Build a table for the plots
1.96 matthew 896: my $analysis_html = "<br /><table>\n";
1.75 matthew 897: my $optionkey = &build_option_index($ORdata);
1.88 matthew 898: my $num_concepts = 1;
899: if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); }
900: #
1.75 matthew 901: for (my $try=$mintries;$try<=$maxtries;$try++) {
1.92 matthew 902: if (! defined($response_data{'_total'}->[$try]) ||
903: $response_data{'_total'}->[$try] == 0) {
904: if ($try > 1) {
905: $analysis_html.= '<tr><td align="center" colspan="4"><b>'.
906: &mt('None of the selected students attempted the problem more than [_1] times.',$try-1).
907: '</b></td></tr>';
908: } else {
909: $analysis_html.= '<tr><td colspan="4" align="center"><b>'.
910: &mt('None of the selected students have attempted the problem').'</b></td></tr>';
911: }
912: last;
913: }
1.88 matthew 914: my $concept_graph='';
915: if ($num_concepts > 1) {
916: #
917: # Create concept plot
918: my @concept_plot_data;
919: for (my $j=0;$j<=$#concept_data;$j++) {
1.93 matthew 920: my $total = $concept_data[$j]->[$try]->{'_total'};
1.88 matthew 921: if ($total == 0) {
922: $concept_plot_data[$j] = 0;
923: } else {
924: $concept_plot_data[$j] = 100 *
925: sprintf('%0.3f',
1.93 matthew 926: $concept_data[$j]->[$try]->{'_correct'} /
927: $total);
1.88 matthew 928: }
929: }
930: #
931: $concept_graph = &Apache::loncommon::DrawBarGraph
1.96 matthew 932: ('Correct Concepts','Concept Number','Percent Correct',
1.88 matthew 933: 100,$plotcolors,undef,\@concept_plot_data);
934: }
935: #
936: # Create Foil Plots
1.96 matthew 937: my $data_count = $response_data{'_total'}->[$try];
938: my $correct = $response_data{'_correct'}->[$try];
1.42 matthew 939: my @Datasets;
1.48 matthew 940: foreach my $option ('_correct',@{$ORdata->{'_Options'}}) {
1.88 matthew 941: next if (! exists($foil_plot[$try]->{$option}));
942: push(@Datasets,$foil_plot[$try]->{$option});
1.42 matthew 943: }
1.76 matthew 944: #
945: # Put a blank in the data set between concepts
946: for (my $set =0;$set<=$#Datasets;$set++) {
947: my @Data = @{$Datasets[$set]};
948: my $idx = 0;
949: foreach my $concept (@{$Concepts}) {
950: foreach my $foilid (@{$concept->{'foils'}}) {
951: $Datasets[$set]->[$idx++]=shift(@Data);
952: }
953: if ($concept->{'name'} ne $Concepts->[-1]->{'name'}) {
954: $Datasets[$set]->[$idx++] = 0;
955: }
956: }
957: }
958: #
959: # Set up the labels needed for the bar graph
960: my @Labels;
961: my $idx = 1;
962: foreach my $concept (@{$Concepts}) {
963: foreach my $foilid (@{$concept->{'foils'}}) {
964: push(@Labels,$idx++);
965: }
966: push(@Labels,'');
967: }
968: #
1.88 matthew 969: my $correct_graph = &Apache::loncommon::DrawBarGraph
1.96 matthew 970: ('Correct Statements','Statement','% Answered Correct',
1.76 matthew 971: 100,$plotcolors,\@Labels,$Datasets[0]);
1.75 matthew 972:
973: #
974: #
1.57 matthew 975: next if (! defined($Datasets[0]));
1.42 matthew 976: for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) {
977: $Datasets[0]->[$i]=0;
978: }
1.96 matthew 979: my $count = $response_data{'_total'}->[$try] -
1.88 matthew 980: $response_data{'_correct'}->[$try];
981: my $incorrect_graph = &Apache::loncommon::DrawBarGraph
1.96 matthew 982: ('Incorrect Statements','Statement','% Chosen Incorrectly',
1.76 matthew 983: 100,$plotcolors,\@Labels,@Datasets);
1.88 matthew 984: $analysis_html.=
1.96 matthew 985: '<tr><td colspan="4" align="center">'.
986: '<font size="+1">'.
987: &mt('Attempt [_1], [_2] submissions, [_3] correct, [_4] incorrect',
988: $try,$data_count,$correct,$data_count-$correct).
989: '</font>'.'</td></tr>'.$/.
1.88 matthew 990: '<tr>'.
991: '<td>'.$concept_graph.'</td>'.
992: '<td>'.$correct_graph.'</td>'.
993: '<td>'.$incorrect_graph.'</td>'.
994: '<td>'.$optionkey.'<td>'.
995: '</tr>'.$/;
1.42 matthew 996: }
997: $analysis_html .= "</table>\n";
1.88 matthew 998: $table .= $analysis_html;
999: return $table;
1.25 matthew 1000: }
1001:
1.57 matthew 1002: sub OR_analyze_by_tries {
1.43 matthew 1003: my ($r,$PerformanceData,$mintries,$maxtries) = @_;
1.25 matthew 1004: my %Trydata;
1005: $mintries = 1 if (! defined($mintries) || $mintries < 1);
1006: $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries);
1.96 matthew 1007: my @students;
1.26 matthew 1008: foreach my $row (@$PerformanceData) {
1009: next if (! defined($row));
1.47 matthew 1010: my $tries = &get_tries_from_row($row);
1.46 matthew 1011: my %Row = &Process_OR_Row($row);
1.43 matthew 1012: next if (! %Row);
1.96 matthew 1013: my $student_id = $row->[&Apache::loncoursedata::RD_student_id()];
1014: $students[$tries]->{$student_id}++;
1.42 matthew 1015: while (my ($foilid,$href) = each(%Row)) {
1016: if (! ref($href)) {
1017: $Trydata{$foilid}->[$tries] += $href;
1018: next;
1019: }
1020: while (my ($option,$value) = each(%$href)) {
1021: $Trydata{$foilid}->[$tries]->{$option}+=$value;
1.25 matthew 1022: }
1023: }
1024: }
1.96 matthew 1025: for (my $try=$mintries;$try<=$maxtries;$try++) {
1026: $Trydata{'_studentcount'}->[$try] = scalar(keys(%{$students[$try]}));
1027: }
1.25 matthew 1028: return %Trydata;
1029: }
1030:
1.33 matthew 1031: #########################################################
1.46 matthew 1032: #
1033: # Option Response: Time Analysis
1034: #
1.33 matthew 1035: #########################################################
1.57 matthew 1036: sub OR_time_analysis {
1.88 matthew 1037: my ($performance_data,$ORdata) = @_;
1.42 matthew 1038: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
1.88 matthew 1039: my $foilkey = &build_option_index($ORdata);
1040: my $num_concepts = 1;
1041: if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); }
1042: #
1043: if ($num_concepts < 2) {
1.42 matthew 1044: $table = '<h3>'.
1045: &mt('Not enough data for concept analysis. '.
1046: 'Performing Foil Analysis').
1.88 matthew 1047: '</h3>'.$table;
1.42 matthew 1048: }
1.88 matthew 1049: #
1.33 matthew 1050: my $num_plots = $ENV{'form.NumPlots'};
1.88 matthew 1051: my $num_data = scalar(@$performance_data)-1;
1.42 matthew 1052: #
1.96 matthew 1053: my $current_index;
1.37 matthew 1054: $table .= "<table>\n";
1.33 matthew 1055: for (my $i=0;$i<$num_plots;$i++) {
1.42 matthew 1056: ##
1.34 matthew 1057: my $starttime = &Apache::lonhtmlcommon::get_date_from_form
1058: ('startdate_'.$i);
1059: my $endtime = &Apache::lonhtmlcommon::get_date_from_form
1060: ('enddate_'.$i);
1061: if (! defined($starttime) || ! defined($endtime)) {
1.42 matthew 1062: my $sec_in_day = 86400;
1.88 matthew 1063: my $last_sub_time = &get_time_from_row($performance_data->[-1]);
1.96 matthew 1064: my ($sday,$smon,$syear) =
1065: (localtime($last_sub_time - $sec_in_day*$i))[3..5];
1.42 matthew 1066: $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear);
1067: $endtime = $starttime + $sec_in_day;
1068: if ($i == ($num_plots -1 )) {
1.88 matthew 1069: $starttime = &get_time_from_row($performance_data->[0]);
1.42 matthew 1070: }
1071: }
1.96 matthew 1072: $table .= '<tr><td colspan="4" align="center"><font size="+1">'.
1.88 matthew 1073: &mt('Data from [_1] to [_2]',
1074: &Apache::lonlocal::locallocaltime($starttime),
1.96 matthew 1075: &Apache::lonlocal::locallocaltime($endtime)).
1076: '</font></td></tr>'.$/;
1.34 matthew 1077: my $startdateform = &Apache::lonhtmlcommon::date_setter
1078: ('Statistics','startdate_'.$i,$starttime);
1079: my $enddateform = &Apache::lonhtmlcommon::date_setter
1080: ('Statistics','enddate_'.$i,$endtime);
1.42 matthew 1081: #
1082: my $begin_index;
1083: my $end_index;
1084: my $j;
1.88 matthew 1085: while (++$j < scalar(@$performance_data)) {
1086: last if (&get_time_from_row($performance_data->[$j])
1.46 matthew 1087: > $starttime);
1.42 matthew 1088: }
1089: $begin_index = $j;
1.91 matthew 1090: while ($j < scalar(@$performance_data)) {
1091: if (&get_time_from_row($performance_data->[$j]) > $endtime) {
1092: last;
1093: } else {
1094: $j++;
1095: }
1.42 matthew 1096: }
1097: $end_index = $j;
1098: ##
1.96 matthew 1099: my ($processed_time_data,$correct,$data_count,$student_count) =
1100: &OR_time_process_data($performance_data,$begin_index,$end_index);
1101: ##
1102: $table .= '<tr><td colspan="4" align="center"><font size="+1">'.
1103: &mt('[_1] submissions from [_2] students submitting, [_3] correct, [_4] incorrect',
1104: $data_count,$student_count,$correct,$data_count-$correct).
1105: '</font></td></tr>'.$/;
1.88 matthew 1106: my $concept_correct_plot = '';
1107: if ($num_concepts > 1) {
1108: $concept_correct_plot =
1.96 matthew 1109: &OR_Concept_Time_Analysis($processed_time_data,
1110: $correct,$data_count,$student_count,
1111: $ORdata,$Concepts);
1.42 matthew 1112: }
1.88 matthew 1113: my ($foil_correct_plot,$foil_incorrect_plot) =
1.96 matthew 1114: &OR_Foil_Time_Analysis($processed_time_data,
1115: $correct,$data_count,$student_count,
1116: $ORdata,$Foils,$Concepts);
1.88 matthew 1117: $table .= '<tr>'.
1118: '<td>'.$concept_correct_plot.'</td>'.
1119: '<td>'.$foil_correct_plot.'</td>'.
1120: '<td>'.$foil_incorrect_plot.'</td>'.
1121: '<td align="left" valign="top">'.$foilkey.'</td></tr>'.$/;
1122: $table .= '<tr><td colspan="4" align="center">'.
1.96 matthew 1123: &mt('Start time: [_1]',$startdateform).'<br />'.
1124: &mt('End time: [_1]',$enddateform).'</td></tr>'.$/;
1.88 matthew 1125: $table.= '<tr><td colspan="4"> </td></tr>'.$/;
1.33 matthew 1126: }
1.88 matthew 1127: $table .= '</table>';
1.42 matthew 1128: #
1.33 matthew 1129: return $table;
1130: }
1131:
1.57 matthew 1132: sub OR_Foil_Time_Analysis {
1.96 matthew 1133: my ($processed_time_data,$correct,$data_count,$student_count,
1134: $ORdata,$Foils,$Concepts) = @_;
1135: if ($data_count <= 0) {
1136: return ('<h2>'.&mt('There is no data to plot').'</h2>','');
1137: }
1.42 matthew 1138: my $analysis_html;
1.88 matthew 1139: my @plotdata;
1140: my @labels;
1141: foreach my $concept (@{$Concepts}) {
1142: foreach my $foil (@{$concept->{'foils'}}) {
1143: push(@labels,scalar(@labels)+1);
1.96 matthew 1144: my $total = $processed_time_data->{$foil}->{'_total'};
1.88 matthew 1145: if ($total == 0) {
1146: push(@{$plotdata[0]},0);
1.42 matthew 1147: } else {
1.88 matthew 1148: push(@{$plotdata[0]},
1.96 matthew 1149: 100 * $processed_time_data->{$foil}->{'_correct'} / $total);
1.37 matthew 1150: }
1.96 matthew 1151: my $total_incorrect = $total - $processed_time_data->{$foil}->{'_correct'};
1.88 matthew 1152: for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) {
1153: my $option = $ORdata->{'_Options'}->[$i];
1154: if ($total_incorrect == 0) {
1155: push(@{$plotdata[$i+1]},0);
1156: } else {
1157: push(@{$plotdata[$i+1]},
1.96 matthew 1158: 100 * $processed_time_data->{$foil}->{$option} / $total_incorrect);
1.88 matthew 1159: }
1160: }
1161: }
1162: # Put in a blank one
1163: push(@labels,'');
1164: push(@{$plotdata[0]},0);
1165: for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) {
1166: push(@{$plotdata[$i+1]},0);
1.39 matthew 1167: }
1.42 matthew 1168: }
1169: #
1170: # Create the plot
1.96 matthew 1171: my $correct_plot = &Apache::loncommon::DrawBarGraph('Correct Statements',
1172: 'Statement Number',
1173: 'Percent Correct',
1174: 100,
1175: $plotcolors,
1176: undef,
1177: $plotdata[0]);
1.88 matthew 1178: for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) {
1179: $plotdata[0]->[$j]=0;
1.42 matthew 1180: }
1.96 matthew 1181: my $incorrect_plot =
1182: &Apache::loncommon::DrawBarGraph('Incorrect Statements',
1183: 'Statement Number',
1184: 'Incorrect Option Choice',
1185: 100,
1186: $plotcolors,
1187: undef,
1188: @plotdata);
1.88 matthew 1189: return ($correct_plot,$incorrect_plot);
1.42 matthew 1190: }
1191:
1.57 matthew 1192: sub OR_Concept_Time_Analysis {
1.96 matthew 1193: my ($processed_time_data,$correct,$data_count,$student_count,
1194: $ORdata,$Concepts) = @_;
1195: return '' if ($data_count == 0);
1.33 matthew 1196: #
1.42 matthew 1197: # Put the data in plottable form
1.88 matthew 1198: my @plotdata;
1.42 matthew 1199: foreach my $concept (@$Concepts) {
1200: my ($total,$correct);
1201: foreach my $foil (@{$concept->{'foils'}}) {
1.96 matthew 1202: $total += $processed_time_data->{$foil}->{'_total'};
1203: $correct += $processed_time_data->{$foil}->{'_correct'};
1.42 matthew 1204: }
1205: if ($total == 0) {
1.88 matthew 1206: push(@plotdata,0);
1.42 matthew 1207: } else {
1.88 matthew 1208: push(@plotdata,100 * $correct / $total);
1.42 matthew 1209: }
1210: }
1211: #
1.33 matthew 1212: # Create the plot
1.96 matthew 1213: return &Apache::loncommon::DrawBarGraph('Correct Concepts',
1.88 matthew 1214: 'Concept Number',
1215: 'Percent Correct',
1216: 100,
1217: $plotcolors,
1218: undef,
1219: \@plotdata);
1.42 matthew 1220: }
1221:
1.96 matthew 1222: sub OR_time_process_data {
1223: my ($performance_data,$begin_index,$end_index)=@_;
1224: my %processed_time_data;
1225: my %distinct_students;
1226: my ($correct,$data_count);
1227: if (($begin_index == $end_index) &&
1228: ($end_index != scalar(@$performance_data)-1)) {
1229: return undef;
1230: }
1231: # Be sure we include the last one if we are asked for it.
1232: # That we have to correct here (and not when $end_index is
1233: # given a value) should probably be considered a bug.
1234: if ($end_index == scalar(@$performance_data)-1) {
1235: $end_index++;
1236: }
1237: &Apache::lonnet::logthis(' '.$begin_index.':'.$end_index);
1238: my $count;
1239: for (my $i=$begin_index;$i<$end_index;$i++) {
1240: my $attempt = $performance_data->[$i];
1241: $count++;
1242: next if (! defined($attempt));
1243: my %attempt = &Process_OR_Row($attempt);
1244: $data_count++;
1245: $correct += $attempt{'_correct'};
1246: $distinct_students{$attempt->[&Apache::loncoursedata::RD_student_id()]}++;
1247: while (my ($foilid,$href) = each(%attempt)) {
1248: if (! ref($href)) {
1249: $processed_time_data{$foilid} += $href;
1250: next;
1251: }
1252: while (my ($option,$value) = each(%$href)) {
1253: $processed_time_data{$foilid}->{$option}+=$value;
1254: }
1255: }
1256: }
1257: &Apache::lonnet::logthis('count = '.$count);
1258: return (\%processed_time_data,$correct,$data_count,
1259: scalar(keys(%distinct_students)));
1260: }
1261:
1.42 matthew 1262: #########################################################
1263: #########################################################
1264: ##
1265: ## Excel output
1266: ##
1267: #########################################################
1268: #########################################################
1.57 matthew 1269: sub OR_excel_sheet {
1.88 matthew 1270: my ($r,$resource,$performance_data,$ORdata) = @_;
1.44 matthew 1271: my $response = '';
1.42 matthew 1272: my (undef,$Foils,$Concepts) = &build_foil_index($ORdata);
1.43 matthew 1273: #
1274: # Create excel worksheet
1275: my $filename = '/prtspool/'.
1276: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1277: time.'_'.rand(1000000000).'.xls';
1278: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1279: if (! defined($workbook)) {
1280: $r->log_error("Error creating excel spreadsheet $filename: $!");
1281: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1282: "This error has been logged. ".
1283: "Please alert your LON-CAPA administrator").
1284: '</p>');
1285: return undef;
1286: }
1287: #
1288: $workbook->set_tempdir('/home/httpd/perl/tmp');
1.69 matthew 1289: my $format = &Apache::loncommon::define_excel_formats($workbook);
1.43 matthew 1290: #
1291: # Create and populate main worksheets
1292: my $problem_data_sheet = $workbook->addworksheet('Problem Data');
1.69 matthew 1293: my $student_data_sheet = &build_student_data_worksheet($workbook,$format);
1.43 matthew 1294: my $response_data_sheet = $workbook->addworksheet('Response Data');
1295: foreach my $sheet ($problem_data_sheet,$student_data_sheet,
1296: $response_data_sheet) {
1297: $sheet->write(0,0,$resource->{'title'},$format->{'h2'});
1298: $sheet->write(1,0,$resource->{'src'},$format->{'h3'});
1299: }
1300: #
1301: my $result;
1.59 matthew 1302: $result = &OR_build_problem_data_worksheet($problem_data_sheet,$format,
1.43 matthew 1303: $Concepts,$ORdata);
1304: if ($result ne 'okay') {
1305: # Do something useful
1306: }
1.59 matthew 1307: $result = &OR_build_response_data_worksheet($response_data_sheet,$format,
1.88 matthew 1308: $performance_data,$Foils,
1.43 matthew 1309: $ORdata);
1310: if ($result ne 'okay') {
1311: # Do something useful
1312: }
1.44 matthew 1313: $response_data_sheet->activate();
1.43 matthew 1314: #
1315: # Close the excel file
1316: $workbook->close();
1317: #
1318: # Write a link to allow them to download it
1.44 matthew 1319: $result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'.
1320: '<p><a href="'.$filename.'">'.
1321: &mt('Your Excel spreadsheet.').
1322: '</a></p>'."\n";
1.43 matthew 1323: return $result;
1324: }
1325:
1.57 matthew 1326: sub OR_build_problem_data_worksheet {
1.43 matthew 1327: my ($worksheet,$format,$Concepts,$ORdata) = @_;
1328: my $rows_output = 3;
1329: my $cols_output = 0;
1330: $worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'});
1331: ##
1332: ##
1333: my @Headers;
1334: if (@$Concepts > 1) {
1335: @Headers = ("Concept\nNumber",'Concept',"Foil\nNumber",
1336: 'Foil Name','Foil Text','Correct value');
1337: } else {
1338: @Headers = ('Foil Number','FoilName','Foil Text','Correct value');
1339: }
1340: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1.48 matthew 1341: my %Foildata = %{$ORdata->{'_Foils'}};
1.43 matthew 1342: my $conceptindex = 1;
1343: my $foilindex = 1;
1344: foreach my $concept (@$Concepts) {
1345: my @FoilsInConcept = @{$concept->{'foils'}};
1346: my $firstfoil = shift(@FoilsInConcept);
1347: if (@$Concepts > 1) {
1348: $worksheet->write_row($rows_output++,0,
1349: [$conceptindex,
1350: $concept->{'name'},
1351: $foilindex++,
1352: $Foildata{$firstfoil}->{'name'},
1353: $Foildata{$firstfoil}->{'text'},
1354: $Foildata{$firstfoil}->{'value'},]);
1355: } else {
1356: $worksheet->write_row($rows_output++,0,
1357: [ $foilindex++,
1358: $Foildata{$firstfoil}->{'name'},
1359: $Foildata{$firstfoil}->{'text'},
1360: $Foildata{$firstfoil}->{'value'},]);
1361: }
1362: foreach my $foilid (@FoilsInConcept) {
1363: if (@$Concepts > 1) {
1364: $worksheet->write_row($rows_output++,0,
1365: ['',
1366: '',
1367: $foilindex,
1368: $Foildata{$foilid}->{'name'},
1369: $Foildata{$foilid}->{'text'},
1370: $Foildata{$foilid}->{'value'},]);
1371: } else {
1372: $worksheet->write_row($rows_output++,0,
1373: [$foilindex,
1374: $Foildata{$foilid}->{'name'},
1375: $Foildata{$foilid}->{'text'},
1376: $Foildata{$foilid}->{'value'},]);
1377: }
1378: } continue {
1379: $foilindex++;
1380: }
1381: } continue {
1382: $conceptindex++;
1383: }
1384: $rows_output++;
1385: $rows_output++;
1386: ##
1387: ## Option data output
1388: $worksheet->write($rows_output++,0,'Options',$format->{'header'});
1.48 matthew 1389: foreach my $string (@{$ORdata->{'_Options'}}) {
1.43 matthew 1390: $worksheet->write($rows_output++,0,$string);
1391: }
1392: return 'okay';
1393: }
1394:
1.57 matthew 1395: sub OR_build_response_data_worksheet {
1.88 matthew 1396: my ($worksheet,$format,$performance_data,$Foils,$ORdata)=@_;
1.43 matthew 1397: my $rows_output = 3;
1398: my $cols_output = 0;
1399: $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'});
1400: $worksheet->set_column(1,1,20);
1401: $worksheet->set_column(2,2,13);
1402: my @Headers = ('identifier','time','award detail','attempt');
1403: foreach my $foil (@$Foils) {
1404: push (@Headers,$foil.' submission');
1405: push (@Headers,$foil.' grading');
1406: }
1407: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1408: #
1.88 matthew 1409: foreach my $row (@$performance_data) {
1.43 matthew 1410: next if (! defined($row));
1411: my ($student,$award,$grading,$submission,$time,$tries) = @$row;
1412: my @Foilgrades = split('&',$grading);
1413: my @Foilsubs = split('&',$submission);
1.88 matthew 1414: my %response_data;
1.43 matthew 1415: for (my $j=0;$j<=$#Foilgrades;$j++) {
1416: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1417: my (undef,$submission) = split('=',$Foilsubs[$j]);
1418: $submission = &Apache::lonnet::unescape($submission);
1.88 matthew 1419: $response_data{$foilid.' submission'}=$submission;
1420: $response_data{$foilid.' award'}=$correct;
1.43 matthew 1421: }
1422: $worksheet->write($rows_output,$cols_output++,$student);
1423: $worksheet->write($rows_output,$cols_output++,
1.71 matthew 1424: &Apache::lonstathelpers::calc_serial($time),$format->{'date'});
1.43 matthew 1425: $worksheet->write($rows_output,$cols_output++,$award);
1426: $worksheet->write($rows_output,$cols_output++,$tries);
1427: foreach my $foilid (@$Foils) {
1428: $worksheet->write($rows_output,$cols_output++,
1.88 matthew 1429: $response_data{$foilid.' submission'});
1.43 matthew 1430: $worksheet->write($rows_output,$cols_output++,
1.88 matthew 1431: $response_data{$foilid.' award'});
1.43 matthew 1432: }
1433: $rows_output++;
1434: $cols_output = 0;
1435: }
1436: return;
1.42 matthew 1437: }
1438:
1.46 matthew 1439: sub build_foil_index {
1440: my ($ORdata) = @_;
1.48 matthew 1441: return if (! exists($ORdata->{'_Foils'}));
1442: my %Foildata = %{$ORdata->{'_Foils'}};
1.46 matthew 1443: my @Foils = sort(keys(%Foildata));
1444: my %Concepts;
1445: foreach my $foilid (@Foils) {
1.48 matthew 1446: push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}},
1.46 matthew 1447: $foilid);
1448: }
1449: undef(@Foils);
1450: # Having gathered the concept information in a hash, we now translate it
1451: # into an array because we need to be consistent about order.
1452: # Also put the foils in order, too.
1453: my $sortfunction = sub {
1454: my %Numbers = (one => 1,
1455: two => 2,
1456: three => 3,
1457: four => 4,
1458: five => 5,
1459: six => 6,
1460: seven => 7,
1461: eight => 8,
1462: nine => 9,
1463: ten => 10,);
1464: my $a1 = lc($a);
1465: my $b1 = lc($b);
1.57 matthew 1466: if (exists($Numbers{$a1})) {
1.67 matthew 1467: $a1 = $Numbers{$a1};
1.57 matthew 1468: }
1469: if (exists($Numbers{$b1})) {
1.67 matthew 1470: $b1 = $Numbers{$b1};
1.46 matthew 1471: }
1.67 matthew 1472: if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) {
1473: return $a1 <=> $b1;
1.57 matthew 1474: } else {
1.67 matthew 1475: return $a1 cmp $b1;
1.46 matthew 1476: }
1477: };
1478: my @Concepts;
1479: foreach my $concept (sort $sortfunction (keys(%Concepts))) {
1.57 matthew 1480: if (! defined($Concepts{$concept})) {
1481: $Concepts{$concept}=[];
1482: # next;
1483: }
1.46 matthew 1484: push(@Concepts,{ name => $concept,
1485: foils => [@{$Concepts{$concept}}]});
1486: push(@Foils,(@{$Concepts{$concept}}));
1487: }
1488: #
1489: # Build up the table of row labels.
1490: my $table = '<table border="1" >'."\n";
1491: if (@Concepts > 1) {
1492: $table .= '<tr>'.
1493: '<th>'.&mt('Concept Number').'</th>'.
1494: '<th>'.&mt('Concept').'</th>'.
1495: '<th>'.&mt('Foil Number').'</th>'.
1496: '<th>'.&mt('Foil Name').'</th>'.
1497: '<th>'.&mt('Foil Text').'</th>'.
1498: '<th>'.&mt('Correct Value').'</th>'.
1499: "</tr>\n";
1500: } else {
1501: $table .= '<tr>'.
1502: '<th>'.&mt('Foil Number').'</th>'.
1503: '<th>'.&mt('Foil Name').'</th>'.
1504: '<th>'.&mt('Foil Text').'</th>'.
1505: '<th>'.&mt('Correct Value').'</th>'.
1506: "</tr>\n";
1507: }
1508: my $conceptindex = 1;
1509: my $foilindex = 1;
1510: foreach my $concept (@Concepts) {
1511: my @FoilsInConcept = @{$concept->{'foils'}};
1512: my $firstfoil = shift(@FoilsInConcept);
1513: if (@Concepts > 1) {
1514: $table .= '<tr>'.
1515: '<td>'.$conceptindex.'</td>'.
1.83 albertel 1516: '<td>'.&HTML::Entities::encode($concept->{'name'},'<>&"').'</td>'.
1.46 matthew 1517: '<td>'.$foilindex++.'</td>'.
1.83 albertel 1518: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1.65 matthew 1519: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1.83 albertel 1520: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1.46 matthew 1521: "</tr>\n";
1522: } else {
1523: $table .= '<tr>'.
1524: '<td>'.$foilindex++.'</td>'.
1.83 albertel 1525: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1.65 matthew 1526: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1.83 albertel 1527: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1.46 matthew 1528: "</tr>\n";
1529: }
1530: foreach my $foilid (@FoilsInConcept) {
1531: if (@Concepts > 1) {
1532: $table .= '<tr>'.
1533: '<td></td>'.
1534: '<td></td>'.
1535: '<td>'.$foilindex.'</td>'.
1.83 albertel 1536: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1.65 matthew 1537: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1.84 albertel 1538: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1.46 matthew 1539: "</tr>\n";
1540: } else {
1541: $table .= '<tr>'.
1542: '<td>'.$foilindex.'</td>'.
1.83 albertel 1543: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1.65 matthew 1544: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1.83 albertel 1545: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1.46 matthew 1546: "</tr>\n";
1547: }
1548: } continue {
1549: $foilindex++;
1550: }
1551: } continue {
1552: $conceptindex++;
1553: }
1554: $table .= "</table>\n";
1555: #
1556: # Build option index with color stuff
1557: return ($table,\@Foils,\@Concepts);
1558: }
1559:
1560: sub build_option_index {
1561: my ($ORdata)= @_;
1562: my $table = "<table>\n";
1563: my $optionindex = 0;
1564: my @Rows;
1.48 matthew 1565: foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) {
1.95 matthew 1566: my $color = $plotcolors->[$optionindex++];
1.46 matthew 1567: push (@Rows,
1568: '<tr>'.
1.95 matthew 1569: '<td bgcolor="'.$color.'">'.
1570: '<font color="'.$color.'">'.('*'x3).'</font>'.'</td>'.
1.83 albertel 1571: '<td>'.&HTML::Entities::encode($option,'<>&"').'</td>'.
1.46 matthew 1572: "</tr>\n");
1573: }
1574: shift(@Rows); # Throw away 'correct option chosen' color
1575: $table .= join('',reverse(@Rows));
1576: $table .= "</table>\n";
1577: }
1578:
1.94 matthew 1579: sub build_foil_key {
1580: my ($foils,$extra_data)= @_;
1581: if (! defined($extra_data)) { $extra_data = {}; }
1582: my $table = "<table>\n";
1583: my $foil_index = 0;
1584: my @rows;
1585: foreach my $foil (&mt('correct foil chosen'),@{$foils}) {
1.95 matthew 1586: my $color = $plotcolors->[$foil_index++];
1.94 matthew 1587: push (@rows,
1588: '<tr>'.
1.95 matthew 1589: '<td bgcolor="'.$color.'" class="key">'.
1590: '<font color="'.$color.'">'.('*'x4).'</font></td>'.
1.94 matthew 1591: '<td>'.&HTML::Entities::encode($foil,'<>&"').
1592: (' 'x2).$extra_data->{$foil}.'</td>'.
1593: "</tr>\n");
1594: }
1595: shift(@rows); # Throw away 'correct foil chosen' color
1596: $table .= join('',reverse(@rows));
1597: $table .= "</table>\n";
1598: }
1599:
1.33 matthew 1600: #########################################################
1601: #########################################################
1602: ##
1.46 matthew 1603: ## Generic Interface Routines
1.33 matthew 1604: ##
1605: #########################################################
1606: #########################################################
1.23 matthew 1607: sub CreateInterface {
1.28 matthew 1608: ##
1609: ## Environment variable initialization
1.36 matthew 1610: if (! exists$ENV{'form.AnalyzeOver'}) {
1.94 matthew 1611: $ENV{'form.AnalyzeOver'} = 'tries';
1.28 matthew 1612: }
1613: ##
1614: ## Build the menu
1.7 stredwic 1615: my $Str = '';
1.72 matthew 1616: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1.74 matthew 1617: (undef,'Detailed Problem Analysis');
1.23 matthew 1618: $Str .= '<table cellspacing="5">'."\n";
1619: $Str .= '<tr>';
1620: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
1621: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
1.31 matthew 1622: # $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
1623: $Str .= '<td align="center"> </td>';
1.23 matthew 1624: $Str .= '</tr>'."\n";
1.31 matthew 1625: ##
1626: ##
1.23 matthew 1627: $Str .= '<tr><td align="center">'."\n";
1628: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1.28 matthew 1629: $Str .= '</td>';
1630: #
1631: $Str .= '<td align="center">';
1.23 matthew 1632: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1.28 matthew 1633: $Str .= '</td>';
1634: #
1.31 matthew 1635: # $Str .= '<td align="center">';
1.23 matthew 1636: my $only_seq_with_assessments = sub {
1637: my $s=shift;
1638: if ($s->{'num_assess'} < 1) {
1639: return 0;
1640: } else {
1641: return 1;
1642: }
1643: };
1.31 matthew 1644: &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
1.23 matthew 1645: $only_seq_with_assessments);
1.36 matthew 1646: ##
1647: ##
1.28 matthew 1648: $Str .= '<td>';
1.91 matthew 1649: ##
1650: my $showprob_checkbox =
1651: '<input type="checkbox" name="show_prob" value="true" ';
1652: if ($ENV{'form.show_prob'} eq 'true') {
1653: $showprob_checkbox .= 'checked ';
1654: }
1655: $showprob_checkbox.= ' />';
1656: $Str.= '<nobr><label>'.
1657: &mt('Show problem [_1]',$showprob_checkbox).
1658: '</label></nobr><br />';
1659: ##
1.90 matthew 1660: my $analyze_selector = '<select name="AnalyzeOver" >';
1.94 matthew 1661: $analyze_selector .= '<option value="tries" ';
1.90 matthew 1662: if (! exists($ENV{'form.AnalyzeOver'}) ||
1.94 matthew 1663: $ENV{'form.AnalyzeOver'} eq 'tries'){
1664: # Default to tries
1.90 matthew 1665: $analyze_selector .= ' selected ';
1666: }
1667: $analyze_selector .= '>'.&mt('Tries').'</option>';
1.94 matthew 1668: $analyze_selector .= '<option value="time" ';
1669: $analyze_selector .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'time');
1.90 matthew 1670: $analyze_selector .= '>'.&mt('Time').'</option>';
1671: $analyze_selector .= '</select>';
1.91 matthew 1672: $Str .= '<nobr><label>'.
1.90 matthew 1673: &mt('Analyze Over [_1] [_2]',
1674: $analyze_selector,
1675: &Apache::loncommon::help_open_topic('Analysis_Analyze_Over')).
1.91 matthew 1676: '</label></nobr><br />'.$/;
1.90 matthew 1677: ##
1678: my $numplots_selector = '<select name="NumPlots">';
1679: if (! exists($ENV{'form.NumPlots'})
1680: || $ENV{'form.NumPlots'} < 1
1681: || $ENV{'form.NumPlots'} > 20) {
1682: $ENV{'form.NumPlots'} = 5;
1683: }
1684: foreach my $i (1,2,3,4,5,6,7,8,10,15,20) {
1685: $numplots_selector .= '<option value="'.$i.'" ';
1686: if ($ENV{'form.NumPlots'} == $i) { $numplots_selector.=' selected '; }
1687: $numplots_selector .= '>'.$i.'</option>';
1688: }
1689: $numplots_selector .= '</select></nobr><br />';
1690: $Str .= '<nobr><label>'.&mt('Number of Plots [_1]',$numplots_selector).
1691: '</label></nobr>';
1692: ##
1693: $Str .= '<nobr><label>'.&mt('Status: [_1]',
1.85 matthew 1694: '<input type="text" '.
1695: 'name="stats_status" size="60" value="" />'
1696: ).
1.90 matthew 1697: '</label></nobr>';
1.28 matthew 1698: $Str .= '</td>';
1.36 matthew 1699: ##
1700: ##
1.28 matthew 1701: $Str .= '</tr>'."\n";
1.23 matthew 1702: $Str .= '</table>'."\n";
1.42 matthew 1703: return $Str;
1.54 matthew 1704: }
1.47 matthew 1705:
1706: #########################################################
1707: #########################################################
1708: ##
1709: ## Misc Option Response functions
1710: ##
1711: #########################################################
1712: #########################################################
1713: sub get_time_from_row {
1.42 matthew 1714: my ($row) = @_;
1715: if (ref($row)) {
1.47 matthew 1716: return $row->[&Apache::loncoursedata::RD_timestamp()];
1.42 matthew 1717: }
1718: return undef;
1719: }
1720:
1.47 matthew 1721: sub get_tries_from_row {
1.42 matthew 1722: my ($row) = @_;
1723: if (ref($row)) {
1.47 matthew 1724: return $row->[&Apache::loncoursedata::RD_tries()];
1.42 matthew 1725: }
1726: return undef;
1727: }
1728:
1.48 matthew 1729: sub hashify_attempt {
1730: my ($row) = @_;
1731: my %attempt;
1.94 matthew 1732: $attempt{'student'} = $row->[&Apache::loncoursedata::RD_sname()];
1.48 matthew 1733: $attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()];
1.94 matthew 1734: $attempt{'submission'} = &Apache::lonnet::unescape($row->[&Apache::loncoursedata::RD_submission()]);
1.48 matthew 1735: $attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()];
1736: $attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()];
1737: return %attempt;
1738: }
1739:
1.46 matthew 1740: sub Process_OR_Row {
1.42 matthew 1741: my ($row) = @_;
1742: my %RowData;
1.96 matthew 1743: # my $student_id = $row->[&Apache::loncoursedata::RD_student_id()];
1.47 matthew 1744: my $award = $row->[&Apache::loncoursedata::RD_awarddetail()];
1745: my $grading = $row->[&Apache::loncoursedata::RD_response_eval()];
1746: my $submission = $row->[&Apache::loncoursedata::RD_submission()];
1747: my $time = $row->[&Apache::loncoursedata::RD_timestamp()];
1.96 matthew 1748: # my $tries = $row->[&Apache::loncoursedata::RD_tries()];
1.43 matthew 1749: return undef if ($award eq 'MISSING_ANSWER');
1.97 matthew 1750: if (&submission_is_correct($award)) {
1.42 matthew 1751: $RowData{'_correct'} = 1;
1752: }
1753: $RowData{'_total'} = 1;
1754: my @Foilgrades = split('&',$grading);
1755: my @Foilsubs = split('&',$submission);
1756: for (my $j=0;$j<=$#Foilgrades;$j++) {
1757: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1.58 matthew 1758: $foilid = &Apache::lonnet::unescape($foilid);
1.42 matthew 1759: my (undef,$submission) = split('=',$Foilsubs[$j]);
1760: if ($correct) {
1761: $RowData{$foilid}->{'_correct'}++;
1762: } else {
1763: $submission = &Apache::lonnet::unescape($submission);
1764: $RowData{$foilid}->{$submission}++;
1765: }
1766: $RowData{$foilid}->{'_total'}++;
1767: }
1768: return %RowData;
1.47 matthew 1769: }
1770:
1.97 matthew 1771: sub submission_is_correct {
1772: my ($award) = @_;
1773: if ($award =~ /(APPROX_ANS|EXACT_ANS)/) {
1774: return 1;
1775: } else {
1776: return 0;
1777: }
1778: }
1779:
1.23 matthew 1780: 1;
1.1 stredwic 1781:
1782: __END__
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