File:
[LON-CAPA] /
loncom /
interface /
statistics /
lonproblemanalysis.pm
Revision
1.87:
download - view:
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Thu Jun 24 18:47:36 2004 UTC (19 years, 11 months ago) by
matthew
Branches:
MAIN
CVS tags:
version_1_2_X,
version_1_2_1,
version_1_2_0,
version_1_1_99_5,
version_1_1_99_4,
version_1_1_99_3,
version_1_1_99_2,
version_1_1_99_1,
HEAD
Removing access to numerical and radio response analysis for 1.2 release.
1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonproblemanalysis.pm,v 1.87 2004/06/24 18:47:36 matthew Exp $
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: #
27: package Apache::lonproblemanalysis;
28:
29: use strict;
30: use Apache::lonnet();
31: use Apache::loncommon();
32: use Apache::lonhtmlcommon();
33: use Apache::loncoursedata();
34: use Apache::lonstatistics;
35: use Apache::lonlocal;
36: use Apache::lonstathelpers();
37: use Apache::lonstudentsubmissions();
38: use HTML::Entities();
39: use Time::Local();
40: use Spreadsheet::WriteExcel();
41:
42: my $plotcolors = ['#33ff00',
43: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
44: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
45: ];
46:
47: my @SubmitButtons = ({ name => 'PrevProblemAnalysis',
48: text => 'Previous Problem' },
49: { name => 'ProblemAnalysis',
50: text => 'Analyze Problem Again' },
51: { name => 'NextProblemAnalysis',
52: text => 'Next Problem' },
53: { name => 'break'},
54: { name => 'SelectAnother',
55: text => 'Choose a different Problem' },
56: { name => 'ExcelOutput',
57: text => 'Produce Excel Output' });
58:
59:
60: sub BuildProblemAnalysisPage {
61: my ($r,$c)=@_;
62: #
63: my %Saveable_Parameters = ('Status' => 'scalar',
64: 'Section' => 'array',
65: 'NumPlots' => 'scalar',
66: 'AnalyzeAs' => 'scalar',
67: 'AnalyzeOver' => 'scalar',
68: );
69: &Apache::loncommon::store_course_settings('problem_analysis',
70: \%Saveable_Parameters);
71: &Apache::loncommon::restore_course_settings('problem_analysis',
72: \%Saveable_Parameters);
73: #
74: &Apache::lonstatistics::PrepareClasslist();
75: #
76: $r->print(&CreateInterface());
77: #
78: my @Students = @Apache::lonstatistics::Students;
79: #
80: if (@Students < 1 && exists($ENV{'form.firstrun'})) {
81: $r->print('<h2>There are no students in the sections selected</h2>');
82: }
83: #
84: my @CacheButtonHTML =
85: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
86: $r->rflush();
87: #
88: # Support for numerical and radio response isn't complete enough to
89: # include in 1.2 release.
90: # my $problem_types = '(option|radiobutton|numerical)';
91: my $problem_types = '(option)';
92: if (exists($ENV{'form.problemchoice'}) &&
93: ! exists($ENV{'form.SelectAnother'})) {
94: foreach my $button (@SubmitButtons) {
95: if ($button->{'name'} eq 'break') {
96: $r->print("<br />\n");
97: } else {
98: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
99: 'value="'.&mt($button->{'text'}).'" />');
100: $r->print(' 'x5);
101: }
102: }
103: foreach my $html (@CacheButtonHTML) {
104: $r->print($html.(' 'x5));
105: }
106: #
107: $r->print('<hr />');
108: $r->rflush();
109: #
110: # Determine which problem we are to analyze
111: my $current_problem = &Apache::lonstathelpers::get_target_from_id
112: ($ENV{'form.problemchoice'});
113: #
114: my ($prev,$curr,$next) =
115: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
116: $problem_types,
117: 'response',
118: );
119: if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) {
120: $current_problem = $prev;
121: } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) {
122: $current_problem = $next;
123: } else {
124: $current_problem = $curr;
125: }
126: #
127: # Store the current problem choice and send it out in the form
128: $ENV{'form.problemchoice'} =
129: &Apache::lonstathelpers::make_target_id($current_problem);
130: $r->print('<input type="hidden" name="problemchoice" value="'.
131: $ENV{'form.problemchoice'}.'" />');
132: #
133: if (! defined($current_problem->{'resource'})) {
134: $r->print('resource is undefined');
135: } else {
136: my $resource = $current_problem->{'resource'};
137: $r->print('<h1>'.$resource->{'title'}.'</h1>');
138: $r->print('<h3>'.$resource->{'src'}.'</h3>');
139: $r->print(&Apache::lonstathelpers::render_resource($resource));
140: $r->rflush();
141: my %Data = &Apache::lonstathelpers::get_problem_data
142: ($resource->{'src'});
143: my $ProblemData = $Data{$current_problem->{'part'}.
144: '.'.
145: $current_problem->{'respid'}};
146: if ($current_problem->{'resptype'} eq 'option') {
147: &OptionResponseAnalysis($r,$current_problem,
148: $ProblemData,
149: \@Students);
150: } elsif ($current_problem->{'resptype'} eq 'radiobutton') {
151: &RadioResponseAnalysis($r,$current_problem,
152: $ProblemData,
153: \@Students);
154: } elsif ($current_problem->{'resptype'} eq 'numerical') {
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,
163: $ProblemData,\@Students);
164: }
165: }
166: } else {
167: $r->print('<h2>This analysis is not supported</h2>');
168: }
169: }
170: $r->print('<hr />');
171: } else {
172: $r->print('<input type="submit" name="ProblemAnalysis" value="'.
173: &mt('Analyze Problem').'" />');
174: $r->print(' 'x5);
175: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
176: $r->print(&Apache::lonstathelpers::ProblemSelector
177: ($problem_types));
178: }
179: }
180:
181:
182: #########################################################
183: #########################################################
184: ##
185: ## Numerical Response Routines
186: ##
187: #########################################################
188: #########################################################
189: sub NumericalResponseAnalysis {
190: my ($r,$problem,$ProblemData,$Students) = @_;
191: my $c = $r->connection();
192: my ($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: #
210: my $analysis_html;
211: my $PerformanceData = &Apache::loncoursedata::get_response_data
212: (\@Apache::lonstatistics::SelectedSections,
213: $Apache::lonstatistics::enrollment_status,
214: $resource->{'symb'},$respid);
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: }
223: #
224: # This next call causes all the waiting around that people complain about
225: my ($max,$min) =
226: &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students,
227: 'Statistics',
228: 'stats_status');
229: return if ($c->aborted());
230: #
231: # Collate the data
232: my %Data;
233: foreach my $student (@$Students) {
234: my $answer = $student->{'answer'};
235: $Data{$answer}++;
236: }
237: my @Labels = sort {$a <=> $b } keys(%Data);
238: my @PlotData = @Data{@Labels};
239: #
240: my $width = 500;
241: my $height = 100;
242: my $plot = &one_dimensional_plot($r,500,100,scalar(@$Students),
243: \@Labels,\@PlotData);
244: $r->print($plot);
245: return;
246: }
247:
248: sub one_dimensional_plot {
249: my ($r,$width,$height,$N,$Labels,$Data)=@_;
250: #
251: # Compute data -> image scaling factors
252: my $min = $Labels->[0];
253: my $max = $Labels->[-1];
254: if ($max == $min) {
255: $max =$min+1;
256: }
257: my $h_scale = ($width-10)/($max-$min);
258: #
259: my $max_y = 0;
260: foreach (@$Data) {
261: $max_y = $_ if ($max_y < $_);
262: }
263: my $ticscale = 5;
264: if ($max_y * $ticscale > $height/2) {
265: $ticscale = int($height/2/$max_y);
266: $ticscale = 1 if ($ticscale < 1);
267: }
268: #
269: # Create the plot
270: my $plot =
271: qq{<drawimage width="$width" height="$height" bgcolor="transparent" >};
272: for (my $idx=0;$idx<scalar(@$Labels);$idx++) {
273: my $xloc = 5+$h_scale*($Labels->[$idx] - $min);
274: my $top = $height/2-$Data->[$idx]*$ticscale;
275: my $bottom = $height/2+$Data->[$idx]*$ticscale;
276: $plot .=
277: &line($xloc,$top,$xloc,$bottom,'888888',1);
278: }
279: #
280: # Put the scale on last to ensure it is on top of the data.
281: if ($min < 0 && $max > 0) {
282: my $circle_x = 5+$h_scale*abs($min); # '0' in data coordinates
283: my $r = 4;
284: $plot .= &line(5,$height/2,$circle_x-$r,$height/2,'000000',1);
285: $plot .= &circle($circle_x,$height/2,$r+1,'000000');
286: $plot .= &line($circle_x+$r,$height/2,$width-5,$height/2,'000000',1);
287: } else {
288: $plot .= &line(5,$height/2,$width-5,$height/2,'000000',1);
289: }
290: $plot .= '</drawimage>';
291: my $plotresult = &Apache::lonxml::xmlparse($r,'web',$plot);
292:
293: my $title = 'Distribution of correct answers';
294: my $result = '<table>'.
295: '<tr><td colspan="3" align="center">'.
296: '<font size="+2">'.$title.' (N='.$N.')'.
297: '</font>'.
298: '</td></tr>'.
299: '<tr>'.
300: '<td valign="center">'.$min.'</td>'.
301: '<td>'.$plotresult.'</td>'.
302: '<td valign="center">'.$max.'</td>'.
303: '</tr>'.
304: '<tr><td colspan="3" align="center">'.
305: 'Maximum Number of Coinciding Values: '.$max_y.
306: '</td></tr>'.
307: '</table>';
308: return $result;
309: }
310:
311: ##
312: ## Helper subroutines for <drawimage>.
313: ## These should probably go somewhere more suitable soon.
314: sub line {
315: my ($x1,$y1,$x2,$y2,$color,$thickness) = @_;
316: return qq{<line x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" />$/};
317: }
318:
319: sub text {
320: my ($x,$y,$color,$text,$font,$direction) = @_;
321: if (! defined($font) || $font !~ /^(tiny|small|medium|large|giant)$/) {
322: $font = 'medium';
323: }
324: if (! defined($direction) || $direction ne 'vertical') {
325: $direction = '';
326: }
327: return qq{<text x="$x" y="$y" color="$color" font="$font" direction="$direction" >$text</text>};
328: }
329:
330: sub rectangle {
331: my ($x1,$y1,$x2,$y2,$color,$thickness,$filled) = @_;
332: return qq{<rectangle x1="$x1" y1="$y1" x2="$x2" y2="$y2" color="$color" thickness="$thickness" filled="$filled" />};
333: }
334:
335: sub arc {
336: my ($x,$y,$width,$height,$start,$end,$color,$thickness,$filled)=@_;
337: return qq{<arc x="$x" y="$y" width="$width" height="$height" start="$start" end="$end" color="$color" thickness="$thickness" filled="$filled" />};
338: }
339:
340: sub circle {
341: my ($x,$y,$radius,$color,$thickness,$filled)=@_;
342: return &arc($x,$y,$radius,$radius,0,360,$color,$thickness,$filled);
343: }
344:
345: sub build_student_data_worksheet {
346: my ($workbook,$format) = @_;
347: my $rows_output = 3;
348: my $cols_output = 0;
349: my $worksheet = $workbook->addworksheet('Student Data');
350: $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'});
351: my @Headers = ('full name','username','domain','section',
352: "student\nnumber",'identifier');
353: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
354: my @Students = @Apache::lonstatistics::Students;
355: my $studentrows = &Apache::loncoursedata::get_student_data(\@Students);
356: my %ids;
357: foreach my $row (@$studentrows) {
358: my ($mysqlid,$student) = @$row;
359: $ids{$student}=$mysqlid;
360: }
361: foreach my $student (@Students) {
362: my $name_domain = $student->{'username'}.':'.$student->{'domain'};
363: $worksheet->write_row($rows_output++,0,
364: [$student->{'fullname'},
365: $student->{'username'},$student->{'domain'},
366: $student->{'section'},$student->{'id'},
367: $ids{$name_domain}]);
368: }
369: return $worksheet;
370: }
371:
372: #########################################################
373: #########################################################
374: ##
375: ## Radio Response Routines
376: ##
377: #########################################################
378: #########################################################
379: sub RadioResponseAnalysis {
380: my ($r,$problem,$ProblemData,$Students) = @_;
381: my ($resource,$respid) = ($problem->{'resource'},
382: $problem->{'respid'});
383: my $analysis_html;
384: my $PerformanceData = &Apache::loncoursedata::get_response_data
385: (\@Apache::lonstatistics::SelectedSections,
386: $Apache::lonstatistics::enrollment_status,
387: $resource->{'symb'},$respid);
388: if (! defined($PerformanceData) ||
389: ref($PerformanceData) ne 'ARRAY' ) {
390: $analysis_html = '<h2>'.
391: &mt('There is no submission data for this resource').
392: '</h2>';
393: $r->print($analysis_html);
394: return;
395: }
396: if (exists($ENV{'form.ExcelOutput'})) {
397: $analysis_html .= &RR_Excel_output($r,$problem->{'resource'},
398: $PerformanceData,$ProblemData);
399: } elsif ($ENV{'form.AnalyzeOver'} eq 'Tries') {
400: $analysis_html .= &RR_Tries_Analysis($r,$problem->{'resource'},
401: $PerformanceData,$ProblemData);
402: } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
403: $analysis_html .= &RR_Time_Analysis($r,$problem->{'resource'},
404: $PerformanceData,$ProblemData);
405: } else {
406: $analysis_html .= '<h2>'.
407: &mt('The analysis you have selected is not supported at this time').
408: '</h2>';
409: }
410: $r->print($analysis_html);
411: }
412:
413: sub RR_Excel_output {
414: my ($r,$PerformanceData,$ProblemData) = @_;
415: return '<h1>No!</h1>';
416: }
417:
418: sub RR_Tries_Analysis {
419: my ($r,$resource,$PerformanceData,$ProblemData) = @_;
420: my $analysis_html;
421: my $mintries = 1;
422: my $maxtries = $ENV{'form.NumPlots'};
423: my ($table,$Foils,$Concepts) = &build_foil_index($ProblemData);
424: if ((! defined($Concepts)) || ((@$Concepts < 2) &&
425: ($ENV{'form.AnalyzeAs'} ne 'Foils'))) {
426: $table = '<h3>'.
427: &mt('Not enough data for concept analysis. '.
428: 'Performing Foil Analysis').
429: '</h3>'.$table;
430: $ENV{'form.AnalyzeAs'} = 'Foils';
431: }
432: $analysis_html .= $table;
433: my @TryData = &RR_tries_data_analysis($r,$PerformanceData);
434: # if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
435: $analysis_html .= &RR_Tries_Foil_Analysis($mintries,$maxtries,$Foils,
436: \@TryData,$ProblemData);
437: # } else {
438: # $analysis_html = &RR_Tries_Concept_Analysis($mintries,$maxtries,
439: # $Concepts,
440: # \@TryData,
441: # $ProblemData);
442: # }
443: return $analysis_html;
444: }
445:
446: sub RR_tries_data_analysis {
447: my ($r,$Attempt_data) = @_;
448: my @TryData;
449: foreach my $attempt (@$Attempt_data) {
450: my %Attempt = &hashify_attempt($attempt);
451: my ($answer,undef) = split('=',$Attempt{'submission'});
452: $TryData[$Attempt{'tries'}]->{$answer}++;
453: }
454: return @TryData;
455: }
456:
457: sub RR_Time_Analysis {
458: my ($r,$PerformanceData,$ProblemData) = @_;
459: my $html;
460: return $html;
461: }
462:
463: sub RR_Tries_Foil_Analysis {
464: my ($min,$max,$Foils,$TryData,$ProblemData) = @_;
465: my $html;
466: #
467: # Compute the data neccessary to make the plots
468: for (my $try=$min;$try<=$max;$try++) {
469: my @PlotData_Correct;
470: my @PlotData_Incorrect;
471: next if ($try > scalar(@{$TryData}));
472: next if (! defined($TryData->[$try]));
473: my %DataSet = %{$TryData->[$try]};
474: my $total = 0;
475: foreach my $foilid (@$Foils) {
476: $total += $DataSet{$foilid};
477: }
478: foreach my $foilid (@$Foils) {
479: if ($total == 0) {
480: push (@PlotData_Correct,0);
481: push (@PlotData_Incorrect,0);
482: } else {
483: if ($ProblemData->{'_Foils'}->{$foilid}->{'value'} eq 'true') {
484: push (@PlotData_Correct,
485: int(100*$DataSet{$foilid}/$total));
486: push (@PlotData_Incorrect,0);
487: } else {
488: push (@PlotData_Correct,0);
489: push (@PlotData_Incorrect,
490: int(100*$DataSet{$foilid}/$total));
491: }
492: }
493: }
494: my $title='Attempt '.$try;
495: my $xlabel = $total.' Submissions';
496: $html.= &Apache::loncommon::DrawBarGraph($title,
497: $xlabel,
498: 'Percent Choosing',
499: 100,
500: ['#33ff00','#ff3300'],
501: undef,
502: \@PlotData_Correct,
503: \@PlotData_Incorrect);
504: }
505: return $html;
506: }
507:
508: sub RR_Tries_Concept_Analysis {
509: my ($min,$max,$Concepts,$ResponseData,$ProblemData) = @_;
510: my $html;
511: return $html;
512: }
513:
514: sub RR_Time_Foil_Analysis {
515: my ($min,$max,$Foils,$ResponseData,$ProblemData) = @_;
516: my $html;
517: return $html;
518: }
519:
520: sub RR_Time_Concept_Analysis {
521: my ($min,$max,$Concepts,$ResponseData,$ProblemData) = @_;
522: my $html;
523: return $html;
524: }
525:
526:
527: sub get_Radio_problem_data {
528: my ($url) = @_;
529: my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze'));
530: (my $garbage,$Answ)=split('_HASH_REF__',$Answ,2);
531: my %Answer = &Apache::lonnet::str2hash($Answ);
532: my %Partdata;
533: foreach my $part (@{$Answer{'parts'}}) {
534: while (my($key,$value) = each(%Answer)) {
535: # if (ref($value) eq 'ARRAY') {
536: # &Apache::lonnet::logthis('is ref part:'.$part.' '.$key.'='.join(',',@$value));
537: # } else {
538: # &Apache::lonnet::logthis('notref part:'.$part.' '.$key.'='.$value);
539: # }
540: next if ($key !~ /^$part/);
541: $key =~ s/^$part\.//;
542: if ($key eq 'foils') {
543: $Partdata{$part}->{'_Foils'}=$value;
544: } elsif ($key eq 'options') {
545: $Partdata{$part}->{'_Options'}=$value;
546: } elsif ($key eq 'shown') {
547: $Partdata{$part}->{'_Shown'}=$value;
548: } elsif ($key =~ /^foil.value.(.*)$/) {
549: $Partdata{$part}->{$1}->{'value'}=$value;
550: } elsif ($key =~ /^foil.text.(.*)$/) {
551: $Partdata{$part}->{$1}->{'text'}=$value;
552: }
553: }
554: }
555: return %Partdata;
556: }
557:
558: #########################################################
559: #########################################################
560: ##
561: ## Option Response Routines
562: ##
563: #########################################################
564: #########################################################
565: sub OptionResponseAnalysis {
566: my ($r,$problem,$ProblemData,$Students) = @_;
567: my ($resource,$respid) = ($problem->{'resource'},
568: $problem->{'respid'});
569: # Note: part data is not needed.
570: my $PerformanceData = &Apache::loncoursedata::get_response_data
571: (\@Apache::lonstatistics::SelectedSections,
572: $Apache::lonstatistics::enrollment_status,
573: $resource->{'symb'},$respid);
574: if (! defined($PerformanceData) ||
575: ref($PerformanceData) ne 'ARRAY' ) {
576: $r->print('<h2>'.
577: &mt('There is no student data for this problem.').
578: '</h2>');
579: } else {
580: $r->rflush();
581: if (exists($ENV{'form.ExcelOutput'})) {
582: my $result = &OR_excel_sheet($r,$resource,
583: $PerformanceData,
584: $ProblemData);
585: $r->print($result);
586: $r->rflush();
587: } else {
588: if ($ENV{'form.AnalyzeOver'} eq 'Tries') {
589: my $analysis_html = &OR_tries_analysis($r,
590: $PerformanceData,
591: $ProblemData);
592: $r->print($analysis_html);
593: $r->rflush();
594: } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
595: my $analysis_html = &OR_time_analysis($PerformanceData,
596: $ProblemData);
597: $r->print($analysis_html);
598: $r->rflush();
599: } else {
600: $r->print('<h2>'.
601: &mt('The analysis you have selected is '.
602: 'not supported at this time').
603: '</h2>');
604: }
605: }
606: }
607: }
608:
609: #########################################################
610: #
611: # Option Response: Tries Analysis
612: #
613: #########################################################
614: sub OR_tries_analysis {
615: my ($r,$PerformanceData,$ORdata) = @_;
616: my $mintries = 1;
617: my $maxtries = $ENV{'form.NumPlots'};
618: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
619: if (! defined($Concepts) ||
620: ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils'))) {
621: $table = '<h3>'.
622: &mt('Not enough data for concept analysis. '.
623: 'Performing Foil Analysis').
624: '</h3>'.$table;
625: $ENV{'form.AnalyzeAs'} = 'Foils';
626: }
627: my %ResponseData = &OR_analyze_by_tries($r,$PerformanceData,
628: $mintries,$maxtries);
629: my $analysis = '';
630: if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
631: $analysis = &OR_Tries_Foil_Analysis($mintries,$maxtries,$Concepts,
632: \%ResponseData,$ORdata);
633: } else {
634: $analysis = &OR_Tries_Concept_Analysis($mintries,$maxtries,
635: $Concepts,\%ResponseData,$ORdata);
636: }
637: $table .= $analysis;
638: return $table;
639: }
640:
641: sub OR_Tries_Foil_Analysis {
642: my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_;
643: my %ResponseData = %$respdat;
644: #
645: # Compute the data neccessary to make the plots
646: my @PlotData;
647: foreach my $concept (@$Concepts) {
648: foreach my $foilid (@{$concept->{'foils'}}) {
649: for (my $try=$mintries;$try<=$maxtries;$try++) {
650: if ($ResponseData{$foilid}->[$try]->{'_total'} == 0) {
651: push(@{$PlotData[$try]->{'_correct'}},0);
652: } else {
653: push(@{$PlotData[$try]->{'_correct'}},
654: 100*$ResponseData{$foilid}->[$try]->{'_correct'}/
655: $ResponseData{$foilid}->[$try]->{'_total'});
656: }
657: foreach my $option (@{$ORdata->{'_Options'}}) {
658: push(@{$PlotData[$try]->{'_total'}},
659: $ResponseData{$foilid}->[$try]->{'_total'});
660: if ($ResponseData{$foilid}->[$try]->{'_total'} == 0) {
661: push (@{$PlotData[$try]->{$option}},0);
662: } else {
663: if ($ResponseData{$foilid}->[$try]->{'_total'} ==
664: $ResponseData{$foilid}->[$try]->{'_correct'}) {
665: push(@{$PlotData[$try]->{$option}},0);
666: } else {
667: push (@{$PlotData[$try]->{$option}},
668: 100 *
669: $ResponseData{$foilid}->[$try]->{$option} /
670: ($ResponseData{$foilid}->[$try]->{'_total'}
671: -
672: $ResponseData{$foilid}->[$try]->{'_correct'}
673: ));
674: }
675: }
676: } # End of foreach my $option
677: }
678: } # End of foreach my $foilid
679: } # End of foreach my $concept
680: #
681: # Build a table for the plots
682: my $analysis_html = "<table>\n";
683: my $optionkey = &build_option_index($ORdata);
684: for (my $try=$mintries;$try<=$maxtries;$try++) {
685: my $count = $ResponseData{'_total'}->[$try];
686: my $title = 'Submission '.$try.' (N='.$count.')';
687: my @Datasets;
688: foreach my $option ('_correct',@{$ORdata->{'_Options'}}) {
689: next if (! exists($PlotData[$try]->{$option}));
690: push(@Datasets,$PlotData[$try]->{$option});
691: }
692: #
693: # Put a blank in the data set between concepts
694: for (my $set =0;$set<=$#Datasets;$set++) {
695: my @Data = @{$Datasets[$set]};
696: my $idx = 0;
697: foreach my $concept (@{$Concepts}) {
698: foreach my $foilid (@{$concept->{'foils'}}) {
699: $Datasets[$set]->[$idx++]=shift(@Data);
700: }
701: if ($concept->{'name'} ne $Concepts->[-1]->{'name'}) {
702: $Datasets[$set]->[$idx++] = 0;
703: }
704: }
705: }
706: #
707: # Set up the labels needed for the bar graph
708: my @Labels;
709: my $idx = 1;
710: foreach my $concept (@{$Concepts}) {
711: foreach my $foilid (@{$concept->{'foils'}}) {
712: push(@Labels,$idx++);
713: }
714: push(@Labels,'');
715: }
716: #
717: my $correctgraph = &Apache::loncommon::DrawBarGraph
718: ($title,'Foil Number','Percent Correct',
719: 100,$plotcolors,\@Labels,$Datasets[0]);
720: $analysis_html.= '<tr><td>'.$correctgraph.'</td>';
721:
722: #
723: #
724: next if (! defined($Datasets[0]));
725: for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) {
726: $Datasets[0]->[$i]=0;
727: }
728: $count = $ResponseData{'_total'}->[$try] -
729: $ResponseData{'_correct'}->[$try];
730: $title = 'Submission '.$try.' (N='.$count.')';
731: my $incorrectgraph = &Apache::loncommon::DrawBarGraph
732: ($title,'Foil Number','% Option Chosen Incorrectly',
733: 100,$plotcolors,\@Labels,@Datasets);
734: $analysis_html.= '<td>'.$incorrectgraph.'</td>';
735: $analysis_html.= '<td>'.$optionkey."<td></tr>\n";
736: }
737: $analysis_html .= "</table>\n";
738: return $analysis_html;
739: }
740:
741: sub OR_Tries_Concept_Analysis {
742: my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_;
743: my %ResponseData = %$respdat;
744: my $analysis_html = "<table>\n";
745: #
746: # Compute the data neccessary to make the plots
747: my @PlotData;
748: # Concept analysis
749: #
750: # Note: we do not bother with characterizing the students incorrect
751: # answers at the concept level because an incorrect answer for one foil
752: # may be a correct answer for another foil.
753: my %ConceptData;
754: foreach my $concept (@{$Concepts}) {
755: for (my $i=$mintries;$i<=$maxtries;$i++) {
756: #
757: # Gather the per-attempt data
758: my $cdata = $ConceptData{$concept}->[$i];
759: foreach my $foilid (@{$concept->{'foils'}}) {
760: $cdata->{'_correct'} +=
761: $ResponseData{$foilid}->[$i]->{'_correct'};
762: $cdata->{'_total'} +=
763: $ResponseData{$foilid}->[$i]->{'_total'};
764: }
765: push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'});
766: if ($cdata->{'_total'} == 0) {
767: push (@{$PlotData[$i]->{'_correct'}},0);
768: } else {
769: push (@{$PlotData[$i]->{'_correct'}},
770: 100*$cdata->{'_correct'}/$cdata->{'_total'});
771: }
772: }
773: }
774: # Build a table for the plots
775: for (my $i=$mintries;$i<=$maxtries;$i++) {
776: my $minstu = $PlotData[$i]->{'_total'}->[0];
777: my $maxstu = $PlotData[$i]->{'_total'}->[0];
778: foreach my $count (@{$PlotData[$i]->{'_total'}}) {
779: if ($minstu > $count) {
780: $minstu = $count;
781: }
782: if ($maxstu < $count) {
783: $maxstu = $count;
784: }
785: }
786: $maxstu = 0 if (! defined($maxstu));
787: $minstu = 0 if (! defined($minstu));
788: my $title;
789: my $count = $ResponseData{'_total'}->[$i];
790: if ($count == 0) {
791: $count = 'no submissions';
792: } elsif ($count == 1) {
793: $count = '1 submission';
794: } else {
795: $count = $count.' submissions';
796: }
797: $title = 'Attempt '.$i.', '.$count;
798: my $graphlink = &Apache::loncommon::DrawBarGraph
799: ($title,'Concept Number','Percent Correct',
800: 100,$plotcolors,undef,$PlotData[$i]->{'_correct'});
801: $analysis_html.= '<tr><td>'.$graphlink."</td></tr>\n";
802: }
803: $analysis_html .= "</table>\n";
804: return $analysis_html;
805: }
806:
807: sub OR_analyze_by_tries {
808: my ($r,$PerformanceData,$mintries,$maxtries) = @_;
809: my %Trydata;
810: $mintries = 1 if (! defined($mintries) || $mintries < 1);
811: $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries);
812: foreach my $row (@$PerformanceData) {
813: next if (! defined($row));
814: my $tries = &get_tries_from_row($row);
815: my %Row = &Process_OR_Row($row);
816: next if (! %Row);
817: while (my ($foilid,$href) = each(%Row)) {
818: if (! ref($href)) {
819: $Trydata{$foilid}->[$tries] += $href;
820: next;
821: }
822: while (my ($option,$value) = each(%$href)) {
823: $Trydata{$foilid}->[$tries]->{$option}+=$value;
824: }
825: }
826: }
827: return %Trydata;
828: }
829:
830: #########################################################
831: #
832: # Option Response: Time Analysis
833: #
834: #########################################################
835: sub OR_time_analysis {
836: my ($PerformanceData,$ORdata) = @_;
837: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
838: if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) {
839: $table = '<h3>'.
840: &mt('Not enough data for concept analysis. '.
841: 'Performing Foil Analysis').
842: '</h3>'.$table;
843: $ENV{'form.AnalyzeAs'} = 'Foils';
844: }
845: my $num_plots = $ENV{'form.NumPlots'};
846: my $num_data = scalar(@$PerformanceData)-1;
847: my $percent = sprintf('%2f',100/$num_plots);
848: #
849: $table .= "<table>\n";
850: for (my $i=0;$i<$num_plots;$i++) {
851: ##
852: my $starttime = &Apache::lonhtmlcommon::get_date_from_form
853: ('startdate_'.$i);
854: my $endtime = &Apache::lonhtmlcommon::get_date_from_form
855: ('enddate_'.$i);
856: if (! defined($starttime) || ! defined($endtime)) {
857: my $sec_in_day = 86400;
858: my $last_sub_time = &get_time_from_row($PerformanceData->[-1]);
859: my ($sday,$smon,$syear);
860: (undef,undef,undef,$sday,$smon,$syear) =
861: localtime($last_sub_time - $sec_in_day*$i);
862: $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear);
863: $endtime = $starttime + $sec_in_day;
864: if ($i == ($num_plots -1 )) {
865: $starttime = &get_time_from_row($PerformanceData->[0]);
866: }
867: }
868: my $startdateform = &Apache::lonhtmlcommon::date_setter
869: ('Statistics','startdate_'.$i,$starttime);
870: my $enddateform = &Apache::lonhtmlcommon::date_setter
871: ('Statistics','enddate_'.$i,$endtime);
872: #
873: my $begin_index;
874: my $end_index;
875: my $j;
876: while (++$j < scalar(@$PerformanceData)) {
877: last if (&get_time_from_row($PerformanceData->[$j])
878: > $starttime);
879: }
880: $begin_index = $j;
881: while (++$j < scalar(@$PerformanceData)) {
882: last if (&get_time_from_row($PerformanceData->[$j]) > $endtime);
883: }
884: $end_index = $j;
885: ##
886: my $interval = {
887: begin_index => $begin_index,
888: end_index => $end_index,
889: startdateform => $startdateform,
890: enddateform => $enddateform,
891: };
892: if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
893: $table .= &OR_Foil_Time_Analysis($PerformanceData,$ORdata,$Foils,
894: $interval);
895: } else {
896: $table .= &OR_Concept_Time_Analysis($PerformanceData,$ORdata,
897: $Concepts,$interval);
898: }
899: }
900: #
901: return $table;
902: }
903:
904: sub OR_Foil_Time_Analysis {
905: my ($PerformanceData,$ORdata,$Foils,$interval) = @_;
906: my $analysis_html;
907: my $foilkey = &build_option_index($ORdata);
908: my ($begin_index,$end_index) = ($interval->{'begin_index'},
909: $interval->{'end_index'});
910: my %TimeData;
911: #
912: # Compute the number getting the foils correct or incorrects
913: for (my $j=$begin_index;$j<=$end_index;$j++) {
914: my $row = $PerformanceData->[$j];
915: next if (! defined($row));
916: my %Row = &Process_OR_Row($row);
917: while (my ($foilid,$href) = each(%Row)) {
918: if (! ref($href)) {
919: $TimeData{$foilid} += $href;
920: next;
921: }
922: while (my ($option,$value) = each(%$href)) {
923: $TimeData{$foilid}->{$option}+=$value;
924: }
925: }
926: }
927: my @Plotdata;
928: foreach my $foil (@$Foils) {
929: my $total = $TimeData{$foil}->{'_total'};
930: if ($total == 0) {
931: push(@{$Plotdata[0]},0);
932: } else {
933: push(@{$Plotdata[0]},
934: 100 * $TimeData{$foil}->{'_correct'} / $total);
935: }
936: my $total_incorrect = $total - $TimeData{$foil}->{'_correct'};
937: my $optionidx = 1;
938: foreach my $option (@{$ORdata->{'_Options'}}) {
939: if ($total_incorrect == 0) {
940: push(@{$Plotdata[$optionidx]},0);
941: } else {
942: push(@{$Plotdata[$optionidx]},
943: 100 * $TimeData{$foil}->{$option} / $total_incorrect);
944: }
945: } continue {
946: $optionidx++;
947: }
948: }
949: #
950: # Create the plot
951: my $count = $end_index-$begin_index;
952: my $title;
953: if ($count == 0) {
954: $title = 'no submissions';
955: } elsif ($count == 1) {
956: $title = 'one submission';
957: } else {
958: $title = $count.' submissions';
959: }
960: my $correctplot = &Apache::loncommon::DrawBarGraph($title,
961: 'Foil Number',
962: 'Percent Correct',
963: 100,
964: $plotcolors,
965: undef,
966: $Plotdata[0]);
967: for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) {
968: $Plotdata[0]->[$j]=0;
969: }
970: $count = $end_index-$begin_index-$TimeData{'_correct'};
971: if ($count == 0) {
972: $title = 'no submissions';
973: } elsif ($count == 1) {
974: $title = 'one submission';
975: } else {
976: $title = $count.' submissions';
977: }
978: my $incorrectplot = &Apache::loncommon::DrawBarGraph($title,
979: 'Foil Number',
980: 'Incorrect Option Choice',
981: 100,
982: $plotcolors,
983: undef,
984: @Plotdata);
985: $analysis_html.='<tr>'.
986: '<td>'.$correctplot.'</td>'.
987: '<td>'.$incorrectplot.'</td>'.
988: '<td align="left" valign="top">'.$foilkey.'</td>'."</tr>\n";
989: $analysis_html.= '<tr>'.'<td colspan="3">'.
990: '<b>Start Time</b>:'.
991: ' '.$interval->{'startdateform'}.'<br />'.
992: '<b>End Time</b> : '.
993: ' '.$interval->{'enddateform'}.'<br />'.
994: # '<b>Plot Title</b> :'.
995: # (" "x3).$interval->{'titleform'}.
996: '</td>'.
997: "</tr>\n";
998: return $analysis_html;
999: }
1000:
1001: sub OR_Concept_Time_Analysis {
1002: my ($PerformanceData,$ORdata,$Concepts,$interval) = @_;
1003: my $analysis_html;
1004: ##
1005: ## Determine starttime, endtime, startindex, endindex
1006: my ($begin_index,$end_index) = ($interval->{'begin_index'},
1007: $interval->{'end_index'});
1008: my %TimeData;
1009: #
1010: # Compute the number getting the foils correct or incorrects
1011: for (my $j=$begin_index;$j<=$end_index;$j++) {
1012: my $row = $PerformanceData->[$j];
1013: next if (! defined($row));
1014: my %Row = &Process_OR_Row($row);
1015: while (my ($foilid,$href) = each(%Row)) {
1016: if (! ref($href)) {
1017: $TimeData{$foilid} += $href;
1018: next;
1019: }
1020: while (my ($option,$value) = each(%$href)) {
1021: $TimeData{$foilid}->{$option}+=$value;
1022: }
1023: }
1024: }
1025: #
1026: # Put the data in plottable form
1027: my @Plotdata;
1028: foreach my $concept (@$Concepts) {
1029: my ($total,$correct);
1030: foreach my $foil (@{$concept->{'foils'}}) {
1031: $total += $TimeData{$foil}->{'_total'};
1032: $correct += $TimeData{$foil}->{'_correct'};
1033: }
1034: if ($total == 0) {
1035: push(@Plotdata,0);
1036: } else {
1037: push(@Plotdata,100 * $correct / $total);
1038: }
1039: }
1040: #
1041: # Create the plot
1042: my $title = ($end_index - $begin_index).' submissions';
1043: my $correctplot = &Apache::loncommon::DrawBarGraph($title,
1044: 'Concept Number',
1045: 'Percent Correct',
1046: 100,
1047: $plotcolors,
1048: undef,
1049: \@Plotdata);
1050: $analysis_html.='<tr>'.
1051: '<td>'.$correctplot.'</td>'.
1052: '<td align="left" valign="top">'.
1053: '<b>Start Time</b>: '.$interval->{'startdateform'}.'<br />'.
1054: '<b>End Time</b> : '.
1055: ' '.$interval->{'enddateform'}.'<br />'.
1056: # '<b>Plot Title</b> :'.(" "x3).
1057: # $interval->{'titleform'}.
1058: '</td>'.
1059: "</tr>\n";
1060: return $analysis_html;
1061: }
1062:
1063: #########################################################
1064: #########################################################
1065: ##
1066: ## Excel output
1067: ##
1068: #########################################################
1069: #########################################################
1070: sub OR_excel_sheet {
1071: my ($r,$resource,$PerformanceData,$ORdata) = @_;
1072: my $response = '';
1073: my (undef,$Foils,$Concepts) = &build_foil_index($ORdata);
1074: #
1075: # Create excel worksheet
1076: my $filename = '/prtspool/'.
1077: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1078: time.'_'.rand(1000000000).'.xls';
1079: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1080: if (! defined($workbook)) {
1081: $r->log_error("Error creating excel spreadsheet $filename: $!");
1082: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1083: "This error has been logged. ".
1084: "Please alert your LON-CAPA administrator").
1085: '</p>');
1086: return undef;
1087: }
1088: #
1089: $workbook->set_tempdir('/home/httpd/perl/tmp');
1090: my $format = &Apache::loncommon::define_excel_formats($workbook);
1091: #
1092: # Create and populate main worksheets
1093: my $problem_data_sheet = $workbook->addworksheet('Problem Data');
1094: my $student_data_sheet = &build_student_data_worksheet($workbook,$format);
1095: my $response_data_sheet = $workbook->addworksheet('Response Data');
1096: foreach my $sheet ($problem_data_sheet,$student_data_sheet,
1097: $response_data_sheet) {
1098: $sheet->write(0,0,$resource->{'title'},$format->{'h2'});
1099: $sheet->write(1,0,$resource->{'src'},$format->{'h3'});
1100: }
1101: #
1102: my $result;
1103: $result = &OR_build_problem_data_worksheet($problem_data_sheet,$format,
1104: $Concepts,$ORdata);
1105: if ($result ne 'okay') {
1106: # Do something useful
1107: }
1108: $result = &OR_build_response_data_worksheet($response_data_sheet,$format,
1109: $PerformanceData,$Foils,
1110: $ORdata);
1111: if ($result ne 'okay') {
1112: # Do something useful
1113: }
1114: $response_data_sheet->activate();
1115: #
1116: # Close the excel file
1117: $workbook->close();
1118: #
1119: # Write a link to allow them to download it
1120: $result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'.
1121: '<p><a href="'.$filename.'">'.
1122: &mt('Your Excel spreadsheet.').
1123: '</a></p>'."\n";
1124: return $result;
1125: }
1126:
1127: sub OR_build_problem_data_worksheet {
1128: my ($worksheet,$format,$Concepts,$ORdata) = @_;
1129: my $rows_output = 3;
1130: my $cols_output = 0;
1131: $worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'});
1132: ##
1133: ##
1134: my @Headers;
1135: if (@$Concepts > 1) {
1136: @Headers = ("Concept\nNumber",'Concept',"Foil\nNumber",
1137: 'Foil Name','Foil Text','Correct value');
1138: } else {
1139: @Headers = ('Foil Number','FoilName','Foil Text','Correct value');
1140: }
1141: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1142: my %Foildata = %{$ORdata->{'_Foils'}};
1143: my $conceptindex = 1;
1144: my $foilindex = 1;
1145: foreach my $concept (@$Concepts) {
1146: my @FoilsInConcept = @{$concept->{'foils'}};
1147: my $firstfoil = shift(@FoilsInConcept);
1148: if (@$Concepts > 1) {
1149: $worksheet->write_row($rows_output++,0,
1150: [$conceptindex,
1151: $concept->{'name'},
1152: $foilindex++,
1153: $Foildata{$firstfoil}->{'name'},
1154: $Foildata{$firstfoil}->{'text'},
1155: $Foildata{$firstfoil}->{'value'},]);
1156: } else {
1157: $worksheet->write_row($rows_output++,0,
1158: [ $foilindex++,
1159: $Foildata{$firstfoil}->{'name'},
1160: $Foildata{$firstfoil}->{'text'},
1161: $Foildata{$firstfoil}->{'value'},]);
1162: }
1163: foreach my $foilid (@FoilsInConcept) {
1164: if (@$Concepts > 1) {
1165: $worksheet->write_row($rows_output++,0,
1166: ['',
1167: '',
1168: $foilindex,
1169: $Foildata{$foilid}->{'name'},
1170: $Foildata{$foilid}->{'text'},
1171: $Foildata{$foilid}->{'value'},]);
1172: } else {
1173: $worksheet->write_row($rows_output++,0,
1174: [$foilindex,
1175: $Foildata{$foilid}->{'name'},
1176: $Foildata{$foilid}->{'text'},
1177: $Foildata{$foilid}->{'value'},]);
1178: }
1179: } continue {
1180: $foilindex++;
1181: }
1182: } continue {
1183: $conceptindex++;
1184: }
1185: $rows_output++;
1186: $rows_output++;
1187: ##
1188: ## Option data output
1189: $worksheet->write($rows_output++,0,'Options',$format->{'header'});
1190: foreach my $string (@{$ORdata->{'_Options'}}) {
1191: $worksheet->write($rows_output++,0,$string);
1192: }
1193: return 'okay';
1194: }
1195:
1196: sub OR_build_response_data_worksheet {
1197: my ($worksheet,$format,$PerformanceData,$Foils,$ORdata)=@_;
1198: my $rows_output = 3;
1199: my $cols_output = 0;
1200: $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'});
1201: $worksheet->set_column(1,1,20);
1202: $worksheet->set_column(2,2,13);
1203: my @Headers = ('identifier','time','award detail','attempt');
1204: foreach my $foil (@$Foils) {
1205: push (@Headers,$foil.' submission');
1206: push (@Headers,$foil.' grading');
1207: }
1208: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1209: #
1210: foreach my $row (@$PerformanceData) {
1211: next if (! defined($row));
1212: my ($student,$award,$grading,$submission,$time,$tries) = @$row;
1213: my @Foilgrades = split('&',$grading);
1214: my @Foilsubs = split('&',$submission);
1215: my %ResponseData;
1216: for (my $j=0;$j<=$#Foilgrades;$j++) {
1217: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1218: my (undef,$submission) = split('=',$Foilsubs[$j]);
1219: $submission = &Apache::lonnet::unescape($submission);
1220: $ResponseData{$foilid.' submission'}=$submission;
1221: $ResponseData{$foilid.' award'}=$correct;
1222: }
1223: $worksheet->write($rows_output,$cols_output++,$student);
1224: $worksheet->write($rows_output,$cols_output++,
1225: &Apache::lonstathelpers::calc_serial($time),$format->{'date'});
1226: $worksheet->write($rows_output,$cols_output++,$award);
1227: $worksheet->write($rows_output,$cols_output++,$tries);
1228: foreach my $foilid (@$Foils) {
1229: $worksheet->write($rows_output,$cols_output++,
1230: $ResponseData{$foilid.' submission'});
1231: $worksheet->write($rows_output,$cols_output++,
1232: $ResponseData{$foilid.' award'});
1233: }
1234: $rows_output++;
1235: $cols_output = 0;
1236: }
1237: return;
1238: }
1239:
1240: sub build_foil_index {
1241: my ($ORdata) = @_;
1242: return if (! exists($ORdata->{'_Foils'}));
1243: my %Foildata = %{$ORdata->{'_Foils'}};
1244: my @Foils = sort(keys(%Foildata));
1245: my %Concepts;
1246: foreach my $foilid (@Foils) {
1247: push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}},
1248: $foilid);
1249: }
1250: undef(@Foils);
1251: # Having gathered the concept information in a hash, we now translate it
1252: # into an array because we need to be consistent about order.
1253: # Also put the foils in order, too.
1254: my $sortfunction = sub {
1255: my %Numbers = (one => 1,
1256: two => 2,
1257: three => 3,
1258: four => 4,
1259: five => 5,
1260: six => 6,
1261: seven => 7,
1262: eight => 8,
1263: nine => 9,
1264: ten => 10,);
1265: my $a1 = lc($a);
1266: my $b1 = lc($b);
1267: if (exists($Numbers{$a1})) {
1268: $a1 = $Numbers{$a1};
1269: }
1270: if (exists($Numbers{$b1})) {
1271: $b1 = $Numbers{$b1};
1272: }
1273: if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) {
1274: return $a1 <=> $b1;
1275: } else {
1276: return $a1 cmp $b1;
1277: }
1278: };
1279: my @Concepts;
1280: foreach my $concept (sort $sortfunction (keys(%Concepts))) {
1281: if (! defined($Concepts{$concept})) {
1282: $Concepts{$concept}=[];
1283: # next;
1284: }
1285: push(@Concepts,{ name => $concept,
1286: foils => [@{$Concepts{$concept}}]});
1287: push(@Foils,(@{$Concepts{$concept}}));
1288: }
1289: #
1290: # Build up the table of row labels.
1291: my $table = '<table border="1" >'."\n";
1292: if (@Concepts > 1) {
1293: $table .= '<tr>'.
1294: '<th>'.&mt('Concept Number').'</th>'.
1295: '<th>'.&mt('Concept').'</th>'.
1296: '<th>'.&mt('Foil Number').'</th>'.
1297: '<th>'.&mt('Foil Name').'</th>'.
1298: '<th>'.&mt('Foil Text').'</th>'.
1299: '<th>'.&mt('Correct Value').'</th>'.
1300: "</tr>\n";
1301: } else {
1302: $table .= '<tr>'.
1303: '<th>'.&mt('Foil Number').'</th>'.
1304: '<th>'.&mt('Foil Name').'</th>'.
1305: '<th>'.&mt('Foil Text').'</th>'.
1306: '<th>'.&mt('Correct Value').'</th>'.
1307: "</tr>\n";
1308: }
1309: my $conceptindex = 1;
1310: my $foilindex = 1;
1311: foreach my $concept (@Concepts) {
1312: my @FoilsInConcept = @{$concept->{'foils'}};
1313: my $firstfoil = shift(@FoilsInConcept);
1314: if (@Concepts > 1) {
1315: $table .= '<tr>'.
1316: '<td>'.$conceptindex.'</td>'.
1317: '<td>'.&HTML::Entities::encode($concept->{'name'},'<>&"').'</td>'.
1318: '<td>'.$foilindex++.'</td>'.
1319: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1320: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1321: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1322: "</tr>\n";
1323: } else {
1324: $table .= '<tr>'.
1325: '<td>'.$foilindex++.'</td>'.
1326: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1327: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1328: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1329: "</tr>\n";
1330: }
1331: foreach my $foilid (@FoilsInConcept) {
1332: if (@Concepts > 1) {
1333: $table .= '<tr>'.
1334: '<td></td>'.
1335: '<td></td>'.
1336: '<td>'.$foilindex.'</td>'.
1337: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1338: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1339: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1340: "</tr>\n";
1341: } else {
1342: $table .= '<tr>'.
1343: '<td>'.$foilindex.'</td>'.
1344: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1345: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1346: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1347: "</tr>\n";
1348: }
1349: } continue {
1350: $foilindex++;
1351: }
1352: } continue {
1353: $conceptindex++;
1354: }
1355: $table .= "</table>\n";
1356: #
1357: # Build option index with color stuff
1358: return ($table,\@Foils,\@Concepts);
1359: }
1360:
1361: sub build_option_index {
1362: my ($ORdata)= @_;
1363: my $table = "<table>\n";
1364: my $optionindex = 0;
1365: my @Rows;
1366: foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) {
1367: push (@Rows,
1368: '<tr>'.
1369: '<td bgcolor="'.$plotcolors->[$optionindex++].'">'.
1370: (' 'x4).'</td>'.
1371: '<td>'.&HTML::Entities::encode($option,'<>&"').'</td>'.
1372: "</tr>\n");
1373: }
1374: shift(@Rows); # Throw away 'correct option chosen' color
1375: $table .= join('',reverse(@Rows));
1376: $table .= "</table>\n";
1377: }
1378:
1379: #########################################################
1380: #########################################################
1381: ##
1382: ## Generic Interface Routines
1383: ##
1384: #########################################################
1385: #########################################################
1386: sub CreateInterface {
1387: ##
1388: ## Environment variable initialization
1389: if (! exists$ENV{'form.AnalyzeOver'}) {
1390: $ENV{'form.AnalyzeOver'} = 'Tries';
1391: }
1392: ##
1393: ## Build the menu
1394: my $Str = '';
1395: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1396: (undef,'Detailed Problem Analysis');
1397: $Str .= '<table cellspacing="5">'."\n";
1398: $Str .= '<tr>';
1399: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
1400: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
1401: # $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
1402: $Str .= '<td align="center"> </td>';
1403: $Str .= '</tr>'."\n";
1404: ##
1405: ##
1406: $Str .= '<tr><td align="center">'."\n";
1407: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1408: $Str .= '</td>';
1409: #
1410: $Str .= '<td align="center">';
1411: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1412: $Str .= '</td>';
1413: #
1414: # $Str .= '<td align="center">';
1415: my $only_seq_with_assessments = sub {
1416: my $s=shift;
1417: if ($s->{'num_assess'} < 1) {
1418: return 0;
1419: } else {
1420: return 1;
1421: }
1422: };
1423: &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
1424: $only_seq_with_assessments);
1425: ##
1426: ##
1427: $Str .= '<td>';
1428: { # These braces are here to organize the code, not scope it.
1429: {
1430: $Str .= '<nobr>'.&mt('Analyze Over ');
1431: $Str .= &Apache::loncommon::help_open_topic
1432: ('Analysis_Analyze_Over');
1433: $Str .='<select name="AnalyzeOver" >';
1434: $Str .= '<option value="Tries" ';
1435: if (! exists($ENV{'form.AnalyzeOver'}) ||
1436: $ENV{'form.AnalyzeOver'} eq 'Tries'){
1437: # Default to Tries
1438: $Str .= ' selected ';
1439: }
1440: $Str .= '>'.&mt('Tries').'</option>';
1441: $Str .= '<option value="Time" ';
1442: $Str .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'Time');
1443: $Str .= '>'.&mt('Time').'</option>';
1444: $Str .= '</select>';
1445: $Str .= '</nobr><br />';
1446: }
1447: {
1448: $Str .= '<nobr>'.&mt('Analyze as ');
1449: $Str .= &Apache::loncommon::help_open_topic
1450: ('Analysis_Analyze_as');
1451: $Str .='<select name="AnalyzeAs" >';
1452: $Str .= '<option value="Concepts" ';
1453: if (! exists($ENV{'form.AnalyzeAs'}) ||
1454: $ENV{'form.AnalyzeAs'} eq 'Concepts'){
1455: # Default to Concepts
1456: $Str .= ' selected ';
1457: }
1458: $Str .= '>'.&mt('Concepts').'</option>';
1459: $Str .= '<option value="Foils" ';
1460: $Str .= ' selected ' if ($ENV{'form.AnalyzeAs'} eq 'Foils');
1461: $Str .= '>'.&mt('Foils').'</option>';
1462: $Str .= '</select></nobr><br />';
1463: }
1464: {
1465: $Str .= '<nobr>'.&mt('Number of Plots:');
1466: $Str .= &Apache::loncommon::help_open_topic
1467: ('Analysis_num_plots');
1468: $Str .= '<select name="NumPlots">';
1469: if (! exists($ENV{'form.NumPlots'})
1470: || $ENV{'form.NumPlots'} < 1
1471: || $ENV{'form.NumPlots'} > 20) {
1472: $ENV{'form.NumPlots'} = 5;
1473: }
1474: foreach my $i (1,2,3,4,5,6,7,8,10,15,20) {
1475: $Str .= '<option value="'.$i.'" ';
1476: if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; }
1477: $Str .= '>'.$i.'</option>';
1478: }
1479: $Str .= '</select></nobr><br />';
1480: }
1481: {
1482: $Str .= '<nobr>'.&mt('Status: [_1]',
1483: '<input type="text" '.
1484: 'name="stats_status" size="60" value="" />'
1485: ).
1486: '</nobr><br />';
1487: }
1488: }
1489: $Str .= '</td>';
1490: ##
1491: ##
1492: $Str .= '</tr>'."\n";
1493: $Str .= '</table>'."\n";
1494: return $Str;
1495: }
1496:
1497: #########################################################
1498: #########################################################
1499: ##
1500: ## Misc Option Response functions
1501: ##
1502: #########################################################
1503: #########################################################
1504: sub get_time_from_row {
1505: my ($row) = @_;
1506: if (ref($row)) {
1507: return $row->[&Apache::loncoursedata::RD_timestamp()];
1508: }
1509: return undef;
1510: }
1511:
1512: sub get_tries_from_row {
1513: my ($row) = @_;
1514: if (ref($row)) {
1515: return $row->[&Apache::loncoursedata::RD_tries()];
1516: }
1517: return undef;
1518: }
1519:
1520: sub hashify_attempt {
1521: my ($row) = @_;
1522: my %attempt;
1523: $attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()];
1524: $attempt{'submission'} = $row->[&Apache::loncoursedata::RD_submission()];
1525: $attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()];
1526: $attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()];
1527: return %attempt;
1528: }
1529:
1530: sub Process_OR_Row {
1531: my ($row) = @_;
1532: my %RowData;
1533: my $student_id = $row->[&Apache::loncoursedata::RD_student_id()];
1534: my $award = $row->[&Apache::loncoursedata::RD_awarddetail()];
1535: my $grading = $row->[&Apache::loncoursedata::RD_response_eval()];
1536: my $submission = $row->[&Apache::loncoursedata::RD_submission()];
1537: my $time = $row->[&Apache::loncoursedata::RD_timestamp()];
1538: my $tries = $row->[&Apache::loncoursedata::RD_tries()];
1539: return undef if ($award eq 'MISSING_ANSWER');
1540: if ($award =~ /(APPROX_ANS|EXACT_ANS)/) {
1541: $RowData{'_correct'} = 1;
1542: }
1543: $RowData{'_total'} = 1;
1544: my @Foilgrades = split('&',$grading);
1545: my @Foilsubs = split('&',$submission);
1546: for (my $j=0;$j<=$#Foilgrades;$j++) {
1547: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1548: $foilid = &Apache::lonnet::unescape($foilid);
1549: my (undef,$submission) = split('=',$Foilsubs[$j]);
1550: if ($correct) {
1551: $RowData{$foilid}->{'_correct'}++;
1552: } else {
1553: $submission = &Apache::lonnet::unescape($submission);
1554: $RowData{$foilid}->{$submission}++;
1555: }
1556: $RowData{$foilid}->{'_total'}++;
1557: }
1558: return %RowData;
1559: }
1560:
1561: 1;
1562:
1563: __END__
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