1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonproblemanalysis.pm,v 1.89 2004/09/28 20:45:40 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: 'AnalyzeOver' => 'scalar',
67: );
68: &Apache::loncommon::store_course_settings('problem_analysis',
69: \%Saveable_Parameters);
70: &Apache::loncommon::restore_course_settings('problem_analysis',
71: \%Saveable_Parameters);
72: #
73: &Apache::lonstatistics::PrepareClasslist();
74: #
75: $r->print(&CreateInterface());
76: #
77: my @Students = @Apache::lonstatistics::Students;
78: #
79: if (@Students < 1 && exists($ENV{'form.firstrun'})) {
80: $r->print('<h2>There are no students in the sections selected</h2>');
81: }
82: #
83: my @CacheButtonHTML =
84: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
85: $r->rflush();
86: #
87: # Support for numerical and radio response isn't complete enough to
88: # include in 1.2 release.
89: # my $problem_types = '(option|radiobutton|numerical)';
90: my $problem_types = '(option)';
91: if (exists($ENV{'form.problemchoice'}) &&
92: ! exists($ENV{'form.SelectAnother'})) {
93: foreach my $button (@SubmitButtons) {
94: if ($button->{'name'} eq 'break') {
95: $r->print("<br />\n");
96: } else {
97: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
98: 'value="'.&mt($button->{'text'}).'" />');
99: $r->print(' 'x5);
100: }
101: }
102: foreach my $html (@CacheButtonHTML) {
103: $r->print($html.(' 'x5));
104: }
105: #
106: $r->print('<hr />');
107: $r->rflush();
108: #
109: # Determine which problem we are to analyze
110: my $current_problem = &Apache::lonstathelpers::get_target_from_id
111: ($ENV{'form.problemchoice'});
112: #
113: my ($prev,$curr,$next) =
114: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
115: $problem_types,
116: 'response',
117: );
118: if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) {
119: $current_problem = $prev;
120: } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) {
121: $current_problem = $next;
122: } else {
123: $current_problem = $curr;
124: }
125: #
126: # Store the current problem choice and send it out in the form
127: $ENV{'form.problemchoice'} =
128: &Apache::lonstathelpers::make_target_id($current_problem);
129: $r->print('<input type="hidden" name="problemchoice" value="'.
130: $ENV{'form.problemchoice'}.'" />');
131: #
132: if (! defined($current_problem->{'resource'})) {
133: $r->print('resource is undefined');
134: } else {
135: my $resource = $current_problem->{'resource'};
136: $r->print('<h1>'.$resource->{'title'}.'</h1>');
137: $r->print('<h3>'.$resource->{'src'}.'</h3>');
138: $r->print(&Apache::lonstathelpers::render_resource($resource));
139: $r->rflush();
140: my %Data = &Apache::lonstathelpers::get_problem_data
141: ($resource->{'src'});
142: my $problem_data = $Data{$current_problem->{'part'}.
143: '.'.
144: $current_problem->{'respid'}};
145: if ($current_problem->{'resptype'} eq 'option') {
146: &OptionResponseAnalysis($r,$current_problem,
147: $problem_data,
148: \@Students);
149: } elsif ($current_problem->{'resptype'} eq 'radiobutton') {
150: &RadioResponseAnalysis($r,$current_problem,
151: $problem_data,
152: \@Students);
153: } elsif ($current_problem->{'resptype'} eq 'numerical') {
154: ##
155: ## analyze all responses of a problem at once
156: my $res = $current_problem->{'resource'};
157: foreach my $partid (@{$res->{'parts'}}) {
158: $current_problem->{'part'} = $partid;
159: foreach my $respid (@{$res->{'partdata'}->{$partid}->{'ResponseIds'}}) {
160: $current_problem->{'respid'}=$respid;
161: &NumericalResponseAnalysis($r,$current_problem,
162: $problem_data,\@Students);
163: }
164: }
165: } else {
166: $r->print('<h2>This analysis is not supported</h2>');
167: }
168: }
169: $r->print('<hr />');
170: } else {
171: $r->print('<input type="submit" name="ProblemAnalysis" value="'.
172: &mt('Analyze Problem').'" />');
173: $r->print(' 'x5);
174: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
175: $r->print(&Apache::lonstathelpers::ProblemSelector
176: ($problem_types));
177: }
178: }
179:
180:
181: #########################################################
182: #########################################################
183: ##
184: ## Numerical Response Routines
185: ##
186: #########################################################
187: #########################################################
188: sub NumericalResponseAnalysis {
189: my ($r,$problem,$problem_data,$Students) = @_;
190: my $c = $r->connection();
191: my ($resource,$partid,$respid) = ($problem->{'resource'},
192: $problem->{'part'},
193: $problem->{'respid'});
194: #
195: if (scalar(@{$resource->{'parts'}})>1) {
196: if (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) {
197: $r->print('<h3>'.
198: &mt('Part [_1], response [_2].',$partid,$respid).
199: '</h3>');
200: } else {
201: $r->print('<h3>'.
202: &mt('Part [_1]',$partid,$respid).
203: '</h3>');
204: }
205: } elsif (@{$resource->{'partdata'}->{$partid}->{'ResponseIds'}}>1) {
206: $r->print('<h3>'.&mt('Response [_1]',$respid).'</h3>');
207: }
208: #
209: my $analysis_html;
210: my $PerformanceData = &Apache::loncoursedata::get_response_data
211: (\@Apache::lonstatistics::SelectedSections,
212: $Apache::lonstatistics::enrollment_status,
213: $resource->{'symb'},$respid);
214: if (! defined($PerformanceData) ||
215: ref($PerformanceData) ne 'ARRAY' ) {
216: $analysis_html = '<h2>'.
217: &mt('There is no submission data for this resource').
218: '</h2>';
219: $r->print($analysis_html);
220: return;
221: }
222: #
223: # This next call causes all the waiting around that people complain about
224: my ($max,$min) =
225: &Apache::lonstathelpers::GetStudentAnswers($r,$problem,$Students,
226: 'Statistics',
227: 'stats_status');
228: return if ($c->aborted());
229: #
230: # Collate the data
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};
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);
244: return;
245: }
246:
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 = $Labels->[-1];
253: if ($max == $min) {
254: $max =$min+1;
255: }
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:
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" >$text</text>};
327: }
328:
329: sub rectangle {
330: my ($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);
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 $worksheet;
369: }
370:
371: #########################################################
372: #########################################################
373: ##
374: ## Radio Response Routines
375: ##
376: #########################################################
377: #########################################################
378: sub RadioResponseAnalysis {
379: my ($r,$problem,$problem_data,$Students) = @_;
380: my ($resource,$respid) = ($problem->{'resource'},
381: $problem->{'respid'});
382: my $analysis_html;
383: my $PerformanceData = &Apache::loncoursedata::get_response_data
384: (\@Apache::lonstatistics::SelectedSections,
385: $Apache::lonstatistics::enrollment_status,
386: $resource->{'symb'},$respid);
387: if (! defined($PerformanceData) ||
388: ref($PerformanceData) ne 'ARRAY' ) {
389: $analysis_html = '<h2>'.
390: &mt('There is no submission data for this resource').
391: '</h2>';
392: $r->print($analysis_html);
393: return;
394: }
395: if (exists($ENV{'form.ExcelOutput'})) {
396: $analysis_html .= &RR_Excel_output($r,$problem->{'resource'},
397: $PerformanceData,$problem_data);
398: } elsif ($ENV{'form.AnalyzeOver'} eq 'Tries') {
399: $analysis_html .= &RR_Tries_Analysis($r,$problem->{'resource'},
400: $PerformanceData,$problem_data);
401: } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
402: $analysis_html .= &RR_Time_Analysis($r,$problem->{'resource'},
403: $PerformanceData,$problem_data);
404: } else {
405: $analysis_html .= '<h2>'.
406: &mt('The analysis you have selected is not supported at this time').
407: '</h2>';
408: }
409: $r->print($analysis_html);
410: }
411:
412: sub RR_Excel_output {
413: my ($r,$PerformanceData,$problem_data) = @_;
414: return '<h1>No!</h1>';
415: }
416:
417: sub RR_Tries_Analysis {
418: my ($r,$resource,$PerformanceData,$problem_data) = @_;
419: my $analysis_html;
420: my $mintries = 1;
421: my $maxtries = $ENV{'form.NumPlots'};
422: my ($table,$Foils,$Concepts) = &build_foil_index($problem_data);
423: if ((! defined($Concepts)) || (@$Concepts < 2)) {
424: $table = '<h3>'.
425: &mt('Not enough data for concept analysis. '.
426: 'Performing Foil Analysis').
427: '</h3>'.$table;
428: }
429: $analysis_html .= $table;
430: my @TryData = &RR_tries_data_analysis($r,$PerformanceData);
431: $analysis_html .= &RR_Tries_Foil_Analysis($mintries,$maxtries,$Foils,
432: \@TryData,$problem_data);
433: return $analysis_html;
434: }
435:
436: sub RR_tries_data_analysis {
437: my ($r,$Attempt_data) = @_;
438: my @TryData;
439: foreach my $attempt (@$Attempt_data) {
440: my %Attempt = &hashify_attempt($attempt);
441: my ($answer,undef) = split('=',$Attempt{'submission'});
442: $TryData[$Attempt{'tries'}]->{$answer}++;
443: }
444: return @TryData;
445: }
446:
447: sub RR_Time_Analysis {
448: my ($r,$PerformanceData,$problem_data) = @_;
449: my $html;
450: return $html;
451: }
452:
453: sub RR_Tries_Foil_Analysis {
454: my ($min,$max,$Foils,$TryData,$problem_data) = @_;
455: my $html;
456: #
457: # Compute the data neccessary to make the plots
458: for (my $try=$min;$try<=$max;$try++) {
459: my @PlotData_Correct;
460: my @PlotData_Incorrect;
461: next if ($try > scalar(@{$TryData}));
462: next if (! defined($TryData->[$try]));
463: my %DataSet = %{$TryData->[$try]};
464: my $total = 0;
465: foreach my $foilid (@$Foils) {
466: $total += $DataSet{$foilid};
467: }
468: foreach my $foilid (@$Foils) {
469: if ($total == 0) {
470: push (@PlotData_Correct,0);
471: push (@PlotData_Incorrect,0);
472: } else {
473: if ($problem_data->{'_Foils'}->{$foilid}->{'value'} eq 'true') {
474: push (@PlotData_Correct,
475: int(100*$DataSet{$foilid}/$total));
476: push (@PlotData_Incorrect,0);
477: } else {
478: push (@PlotData_Correct,0);
479: push (@PlotData_Incorrect,
480: int(100*$DataSet{$foilid}/$total));
481: }
482: }
483: }
484: my $title='Attempt '.$try;
485: my $xlabel = $total.' Submissions';
486: $html.= &Apache::loncommon::DrawBarGraph($title,
487: $xlabel,
488: 'Percent Choosing',
489: 100,
490: ['#33ff00','#ff3300'],
491: undef,
492: \@PlotData_Correct,
493: \@PlotData_Incorrect);
494: }
495: return $html;
496: }
497:
498: sub RR_Tries_Concept_Analysis {
499: my ($min,$max,$Concepts,$ResponseData,$problem_data) = @_;
500: my $html;
501: return $html;
502: }
503:
504: sub RR_Time_Foil_Analysis {
505: my ($min,$max,$Foils,$ResponseData,$problem_data) = @_;
506: my $html;
507: return $html;
508: }
509:
510: sub RR_Time_Concept_Analysis {
511: my ($min,$max,$Concepts,$ResponseData,$problem_data) = @_;
512: my $html;
513: return $html;
514: }
515:
516:
517: sub get_Radio_problem_data {
518: my ($url) = @_;
519: my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze'));
520: (my $garbage,$Answ)=split('_HASH_REF__',$Answ,2);
521: my %Answer = &Apache::lonnet::str2hash($Answ);
522: my %Partdata;
523: foreach my $part (@{$Answer{'parts'}}) {
524: while (my($key,$value) = each(%Answer)) {
525: # if (ref($value) eq 'ARRAY') {
526: # &Apache::lonnet::logthis('is ref part:'.$part.' '.$key.'='.join(',',@$value));
527: # } else {
528: # &Apache::lonnet::logthis('notref part:'.$part.' '.$key.'='.$value);
529: # }
530: next if ($key !~ /^$part/);
531: $key =~ s/^$part\.//;
532: if ($key eq 'foils') {
533: $Partdata{$part}->{'_Foils'}=$value;
534: } elsif ($key eq 'options') {
535: $Partdata{$part}->{'_Options'}=$value;
536: } elsif ($key eq 'shown') {
537: $Partdata{$part}->{'_Shown'}=$value;
538: } elsif ($key =~ /^foil.value.(.*)$/) {
539: $Partdata{$part}->{$1}->{'value'}=$value;
540: } elsif ($key =~ /^foil.text.(.*)$/) {
541: $Partdata{$part}->{$1}->{'text'}=$value;
542: }
543: }
544: }
545: return %Partdata;
546: }
547:
548: #########################################################
549: #########################################################
550: ##
551: ## Option Response Routines
552: ##
553: #########################################################
554: #########################################################
555: sub OptionResponseAnalysis {
556: my ($r,$problem,$problem_data,$Students) = @_;
557: my ($resource,$respid) = ($problem->{'resource'},
558: $problem->{'respid'});
559: # Note: part data is not needed.
560: my $PerformanceData = &Apache::loncoursedata::get_response_data
561: (\@Apache::lonstatistics::SelectedSections,
562: $Apache::lonstatistics::enrollment_status,
563: $resource->{'symb'},$respid);
564: if (! defined($PerformanceData) ||
565: ref($PerformanceData) ne 'ARRAY' ) {
566: $r->print('<h2>'.
567: &mt('There is no student data for this problem.').
568: '</h2>');
569: } else {
570: $r->rflush();
571: if (exists($ENV{'form.ExcelOutput'})) {
572: my $result = &OR_excel_sheet($r,$resource,
573: $PerformanceData,
574: $problem_data);
575: $r->print($result);
576: $r->rflush();
577: } else {
578: if ($ENV{'form.AnalyzeOver'} eq 'Tries') {
579: my $analysis_html = &OR_tries_analysis($r,
580: $PerformanceData,
581: $problem_data);
582: $r->print($analysis_html);
583: $r->rflush();
584: } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
585: my $analysis_html = &OR_time_analysis($PerformanceData,
586: $problem_data);
587: $r->print($analysis_html);
588: $r->rflush();
589: } else {
590: $r->print('<h2>'.
591: &mt('The analysis you have selected is '.
592: 'not supported at this time').
593: '</h2>');
594: }
595: }
596: }
597: }
598:
599: #########################################################
600: #
601: # Option Response: Tries Analysis
602: #
603: #########################################################
604: sub OR_tries_analysis {
605: my ($r,$PerformanceData,$ORdata) = @_;
606: my $mintries = 1;
607: my $maxtries = $ENV{'form.NumPlots'};
608: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
609: my %response_data = &OR_analyze_by_tries($r,$PerformanceData,
610: $mintries,$maxtries);
611: my $analysis = '';
612: #
613: # Compute the data necessary to make the plots
614: my @foil_plot;
615: my @concept_data;
616: for (my $j=0;$j<=scalar(@$Concepts);$j++) {
617: my $concept = $Concepts->[$j];
618: foreach my $foilid (@{$concept->{'foils'}}) {
619: for (my $try=$mintries;$try<=$maxtries;$try++) {
620: # concept analysis data
621: $concept_data[$j]->{'_correct'} +=
622: $response_data{$foilid}->[$try]->{'_correct'};
623: $concept_data[$j]->{'_total'} +=
624: $response_data{$foilid}->[$try]->{'_total'};
625: #
626: # foil analysis data
627: if ($response_data{$foilid}->[$try]->{'_total'} == 0) {
628: push(@{$foil_plot[$try]->{'_correct'}},0);
629: } else {
630: push(@{$foil_plot[$try]->{'_correct'}},
631: 100*$response_data{$foilid}->[$try]->{'_correct'}/
632: $response_data{$foilid}->[$try]->{'_total'});
633: }
634: foreach my $option (@{$ORdata->{'_Options'}}) {
635: push(@{$foil_plot[$try]->{'_total'}},
636: $response_data{$foilid}->[$try]->{'_total'});
637: if ($response_data{$foilid}->[$try]->{'_total'} == 0) {
638: push (@{$foil_plot[$try]->{$option}},0);
639: } else {
640: if ($response_data{$foilid}->[$try]->{'_total'} ==
641: $response_data{$foilid}->[$try]->{'_correct'}) {
642: push(@{$foil_plot[$try]->{$option}},0);
643: } else {
644: push (@{$foil_plot[$try]->{$option}},
645: 100 *
646: $response_data{$foilid}->[$try]->{$option} /
647: ($response_data{$foilid}->[$try]->{'_total'}
648: -
649: $response_data{$foilid}->[$try]->{'_correct'}
650: ));
651: }
652: }
653: } # End of foreach my $option
654: }
655: } # End of foreach my $foilid
656: } # End of concept loops
657: #
658: # Build a table for the plots
659: my $analysis_html = "<table>\n";
660: my $optionkey = &build_option_index($ORdata);
661: my $num_concepts = 1;
662: if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); }
663: #
664: for (my $try=$mintries;$try<=$maxtries;$try++) {
665: my $concept_graph='';
666: if ($num_concepts > 1) {
667: #
668: # Create concept plot
669: my @concept_plot_data;
670: for (my $j=0;$j<=$#concept_data;$j++) {
671: my $total = $concept_data[$j]->{'_total'};
672: if ($total == 0) {
673: $concept_plot_data[$j] = 0;
674: } else {
675: $concept_plot_data[$j] = 100 *
676: sprintf('%0.3f',
677: $concept_data[$j]->{'_correct'} / $total);
678: }
679: }
680: #
681: my $title;
682: my $count = $response_data{'_total'}->[$try];
683: $title = 'Attempt '.$try.' (N='.$count.')';
684: $concept_graph = &Apache::loncommon::DrawBarGraph
685: ($title,'Concept Number','Percent Correct',
686: 100,$plotcolors,undef,\@concept_plot_data);
687: }
688: #
689: # Create Foil Plots
690: my $count = $response_data{'_total'}->[$try];
691: my $title = 'Attempt '.$try.' (N='.$count.')';
692: my @Datasets;
693: foreach my $option ('_correct',@{$ORdata->{'_Options'}}) {
694: next if (! exists($foil_plot[$try]->{$option}));
695: push(@Datasets,$foil_plot[$try]->{$option});
696: }
697: #
698: # Put a blank in the data set between concepts
699: for (my $set =0;$set<=$#Datasets;$set++) {
700: my @Data = @{$Datasets[$set]};
701: my $idx = 0;
702: foreach my $concept (@{$Concepts}) {
703: foreach my $foilid (@{$concept->{'foils'}}) {
704: $Datasets[$set]->[$idx++]=shift(@Data);
705: }
706: if ($concept->{'name'} ne $Concepts->[-1]->{'name'}) {
707: $Datasets[$set]->[$idx++] = 0;
708: }
709: }
710: }
711: #
712: # Set up the labels needed for the bar graph
713: my @Labels;
714: my $idx = 1;
715: foreach my $concept (@{$Concepts}) {
716: foreach my $foilid (@{$concept->{'foils'}}) {
717: push(@Labels,$idx++);
718: }
719: push(@Labels,'');
720: }
721: #
722: my $correct_graph = &Apache::loncommon::DrawBarGraph
723: ($title,'Foil Number','Percent Correct',
724: 100,$plotcolors,\@Labels,$Datasets[0]);
725:
726: #
727: #
728: next if (! defined($Datasets[0]));
729: for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) {
730: $Datasets[0]->[$i]=0;
731: }
732: $count = $response_data{'_total'}->[$try] -
733: $response_data{'_correct'}->[$try];
734: $title = 'Attempt '.$try.' (N='.$count.')';
735: my $incorrect_graph = &Apache::loncommon::DrawBarGraph
736: ($title,'Foil Number','% Option Chosen Incorrectly',
737: 100,$plotcolors,\@Labels,@Datasets);
738: $analysis_html.=
739: '<tr>'.
740: '<td>'.$concept_graph.'</td>'.
741: '<td>'.$correct_graph.'</td>'.
742: '<td>'.$incorrect_graph.'</td>'.
743: '<td>'.$optionkey.'<td>'.
744: '</tr>'.$/;
745: }
746: $analysis_html .= "</table>\n";
747: $table .= $analysis_html;
748: return $table;
749: }
750:
751: sub OR_analyze_by_tries {
752: my ($r,$PerformanceData,$mintries,$maxtries) = @_;
753: my %Trydata;
754: $mintries = 1 if (! defined($mintries) || $mintries < 1);
755: $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries);
756: foreach my $row (@$PerformanceData) {
757: next if (! defined($row));
758: my $tries = &get_tries_from_row($row);
759: my %Row = &Process_OR_Row($row);
760: next if (! %Row);
761: while (my ($foilid,$href) = each(%Row)) {
762: if (! ref($href)) {
763: $Trydata{$foilid}->[$tries] += $href;
764: next;
765: }
766: while (my ($option,$value) = each(%$href)) {
767: $Trydata{$foilid}->[$tries]->{$option}+=$value;
768: }
769: }
770: }
771: return %Trydata;
772: }
773:
774: #########################################################
775: #
776: # Option Response: Time Analysis
777: #
778: #########################################################
779: sub OR_time_analysis {
780: my ($performance_data,$ORdata) = @_;
781: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
782: my $foilkey = &build_option_index($ORdata);
783: my $num_concepts = 1;
784: if (defined($Concepts)) { $num_concepts = scalar(@$Concepts); }
785: #
786: if ($num_concepts < 2) {
787: $table = '<h3>'.
788: &mt('Not enough data for concept analysis. '.
789: 'Performing Foil Analysis').
790: '</h3>'.$table;
791: }
792: #
793: my $num_plots = $ENV{'form.NumPlots'};
794: my $num_data = scalar(@$performance_data)-1;
795: my $percent = sprintf('%2f',100/$num_plots);
796: #
797: $table .= "<table>\n";
798: for (my $i=0;$i<$num_plots;$i++) {
799: ##
800: my $starttime = &Apache::lonhtmlcommon::get_date_from_form
801: ('startdate_'.$i);
802: my $endtime = &Apache::lonhtmlcommon::get_date_from_form
803: ('enddate_'.$i);
804: if (! defined($starttime) || ! defined($endtime)) {
805: my $sec_in_day = 86400;
806: my $last_sub_time = &get_time_from_row($performance_data->[-1]);
807: my ($sday,$smon,$syear);
808: (undef,undef,undef,$sday,$smon,$syear) =
809: localtime($last_sub_time - $sec_in_day*$i);
810: $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear);
811: $endtime = $starttime + $sec_in_day;
812: if ($i == ($num_plots -1 )) {
813: $starttime = &get_time_from_row($performance_data->[0]);
814: }
815: }
816: $table .= '<tr><td colspan="4" align="center">'.
817: &mt('Data from [_1] to [_2]',
818: &Apache::lonlocal::locallocaltime($starttime),
819: &Apache::lonlocal::locallocaltime($endtime)).'</td></tr>'.$/;
820: my $startdateform = &Apache::lonhtmlcommon::date_setter
821: ('Statistics','startdate_'.$i,$starttime);
822: my $enddateform = &Apache::lonhtmlcommon::date_setter
823: ('Statistics','enddate_'.$i,$endtime);
824: #
825: my $begin_index;
826: my $end_index;
827: my $j;
828: while (++$j < scalar(@$performance_data)) {
829: last if (&get_time_from_row($performance_data->[$j])
830: > $starttime);
831: }
832: $begin_index = $j;
833: while (++$j < scalar(@$performance_data)) {
834: last if (&get_time_from_row($performance_data->[$j]) > $endtime);
835: }
836: $end_index = $j;
837: ##
838: my $interval = {
839: begin_index => $begin_index,
840: end_index => $end_index,
841: startdateform => $startdateform,
842: enddateform => $enddateform,
843: };
844: my $concept_correct_plot = '';
845: if ($num_concepts > 1) {
846: $concept_correct_plot =
847: &OR_Concept_Time_Analysis($performance_data,
848: $ORdata,$Concepts,
849: $interval);
850: }
851: my ($foil_correct_plot,$foil_incorrect_plot) =
852: &OR_Foil_Time_Analysis($performance_data,$ORdata,
853: $Foils,$Concepts,$interval);
854: $table .= '<tr>'.
855: '<td>'.$concept_correct_plot.'</td>'.
856: '<td>'.$foil_correct_plot.'</td>'.
857: '<td>'.$foil_incorrect_plot.'</td>'.
858: '<td align="left" valign="top">'.$foilkey.'</td></tr>'.$/;
859: $table .= '<tr><td colspan="4" align="center">'.
860: &mt('Start time: [_1]',
861: $interval->{'startdateform'}).'<br />'.
862: &mt('End time: [_1]',
863: $interval->{'enddateform'}).
864: '</td></tr>'.$/;
865: $table.= '<tr><td colspan="4"> </td></tr>'.$/;
866: }
867: $table .= '</table>';
868: #
869: return $table;
870: }
871:
872: sub OR_Foil_Time_Analysis {
873: my ($performance_data,$ORdata,$Foils,$Concepts,$interval) = @_;
874: my $analysis_html;
875: my ($begin_index,$end_index) = ($interval->{'begin_index'},
876: $interval->{'end_index'});
877: my %TimeData;
878: #
879: # Compute the number getting the foils correct or incorrects
880: for (my $j=$begin_index;$j<=$end_index;$j++) {
881: my $row = $performance_data->[$j];
882: next if (! defined($row));
883: my %Row = &Process_OR_Row($row);
884: while (my ($foilid,$href) = each(%Row)) {
885: if (! ref($href)) {
886: $TimeData{$foilid} += $href;
887: next;
888: }
889: while (my ($option,$value) = each(%$href)) {
890: $TimeData{$foilid}->{$option}+=$value;
891: }
892: }
893: }
894: my @plotdata;
895: my @labels;
896: foreach my $concept (@{$Concepts}) {
897: foreach my $foil (@{$concept->{'foils'}}) {
898: push(@labels,scalar(@labels)+1);
899: my $total = $TimeData{$foil}->{'_total'};
900: if ($total == 0) {
901: push(@{$plotdata[0]},0);
902: } else {
903: push(@{$plotdata[0]},
904: 100 * $TimeData{$foil}->{'_correct'} / $total);
905: }
906: my $total_incorrect = $total - $TimeData{$foil}->{'_correct'};
907: for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) {
908: my $option = $ORdata->{'_Options'}->[$i];
909: if ($total_incorrect == 0) {
910: push(@{$plotdata[$i+1]},0);
911: } else {
912: push(@{$plotdata[$i+1]},
913: 100 * $TimeData{$foil}->{$option} / $total_incorrect);
914: }
915: }
916: }
917: # Put in a blank one
918: push(@labels,'');
919: push(@{$plotdata[0]},0);
920: for (my $i=0;$i<scalar(@{$ORdata->{'_Options'}});$i++) {
921: push(@{$plotdata[$i+1]},0);
922: }
923: }
924: #
925: # Create the plot
926: my $count = $end_index-$begin_index;
927: my $title;
928: if ($count == 0) {
929: $title = 'no submissions';
930: } elsif ($count == 1) {
931: $title = 'one submission';
932: } else {
933: $title = $count.' submissions';
934: }
935: my $correct_plot = &Apache::loncommon::DrawBarGraph($title,
936: 'Foil Number',
937: 'Percent Correct',
938: 100,
939: $plotcolors,
940: undef,
941: $plotdata[0]);
942: for (my $j=0; $j< scalar(@{$plotdata[0]});$j++) {
943: $plotdata[0]->[$j]=0;
944: }
945: $count = $end_index-$begin_index-$TimeData{'_correct'};
946: if ($count == 0) {
947: $title = 'no submissions';
948: } elsif ($count == 1) {
949: $title = 'one submission';
950: } else {
951: $title = $count.' submissions';
952: }
953: my $incorrect_plot = &Apache::loncommon::DrawBarGraph($title,
954: 'Foil Number',
955: 'Incorrect Option Choice',
956: 100,
957: $plotcolors,
958: undef,
959: @plotdata);
960:
961: return ($correct_plot,$incorrect_plot);
962: }
963:
964: sub OR_Concept_Time_Analysis {
965: my ($performance_data,$ORdata,$Concepts,$interval) = @_;
966: ##
967: ## Determine starttime, endtime, startindex, endindex
968: my ($begin_index,$end_index) = ($interval->{'begin_index'},
969: $interval->{'end_index'});
970: my %TimeData;
971: #
972: # Compute the number getting the foils correct or incorrects
973: for (my $j=$begin_index;$j<=$end_index;$j++) {
974: my $row = $performance_data->[$j];
975: next if (! defined($row));
976: my %Row = &Process_OR_Row($row);
977: while (my ($foilid,$href) = each(%Row)) {
978: if (! ref($href)) {
979: $TimeData{$foilid} += $href;
980: next;
981: }
982: while (my ($option,$value) = each(%$href)) {
983: $TimeData{$foilid}->{$option}+=$value;
984: }
985: }
986: }
987: #
988: # Put the data in plottable form
989: my @plotdata;
990: foreach my $concept (@$Concepts) {
991: my ($total,$correct);
992: foreach my $foil (@{$concept->{'foils'}}) {
993: $total += $TimeData{$foil}->{'_total'};
994: $correct += $TimeData{$foil}->{'_correct'};
995: }
996: if ($total == 0) {
997: push(@plotdata,0);
998: } else {
999: push(@plotdata,100 * $correct / $total);
1000: }
1001: }
1002: #
1003: # Create the plot
1004: my $title = ($end_index - $begin_index).' submissions';
1005: return &Apache::loncommon::DrawBarGraph($title,
1006: 'Concept Number',
1007: 'Percent Correct',
1008: 100,
1009: $plotcolors,
1010: undef,
1011: \@plotdata);
1012: }
1013:
1014: #########################################################
1015: #########################################################
1016: ##
1017: ## Excel output
1018: ##
1019: #########################################################
1020: #########################################################
1021: sub OR_excel_sheet {
1022: my ($r,$resource,$performance_data,$ORdata) = @_;
1023: my $response = '';
1024: my (undef,$Foils,$Concepts) = &build_foil_index($ORdata);
1025: #
1026: # Create excel worksheet
1027: my $filename = '/prtspool/'.
1028: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1029: time.'_'.rand(1000000000).'.xls';
1030: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1031: if (! defined($workbook)) {
1032: $r->log_error("Error creating excel spreadsheet $filename: $!");
1033: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1034: "This error has been logged. ".
1035: "Please alert your LON-CAPA administrator").
1036: '</p>');
1037: return undef;
1038: }
1039: #
1040: $workbook->set_tempdir('/home/httpd/perl/tmp');
1041: my $format = &Apache::loncommon::define_excel_formats($workbook);
1042: #
1043: # Create and populate main worksheets
1044: my $problem_data_sheet = $workbook->addworksheet('Problem Data');
1045: my $student_data_sheet = &build_student_data_worksheet($workbook,$format);
1046: my $response_data_sheet = $workbook->addworksheet('Response Data');
1047: foreach my $sheet ($problem_data_sheet,$student_data_sheet,
1048: $response_data_sheet) {
1049: $sheet->write(0,0,$resource->{'title'},$format->{'h2'});
1050: $sheet->write(1,0,$resource->{'src'},$format->{'h3'});
1051: }
1052: #
1053: my $result;
1054: $result = &OR_build_problem_data_worksheet($problem_data_sheet,$format,
1055: $Concepts,$ORdata);
1056: if ($result ne 'okay') {
1057: # Do something useful
1058: }
1059: $result = &OR_build_response_data_worksheet($response_data_sheet,$format,
1060: $performance_data,$Foils,
1061: $ORdata);
1062: if ($result ne 'okay') {
1063: # Do something useful
1064: }
1065: $response_data_sheet->activate();
1066: #
1067: # Close the excel file
1068: $workbook->close();
1069: #
1070: # Write a link to allow them to download it
1071: $result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'.
1072: '<p><a href="'.$filename.'">'.
1073: &mt('Your Excel spreadsheet.').
1074: '</a></p>'."\n";
1075: return $result;
1076: }
1077:
1078: sub OR_build_problem_data_worksheet {
1079: my ($worksheet,$format,$Concepts,$ORdata) = @_;
1080: my $rows_output = 3;
1081: my $cols_output = 0;
1082: $worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'});
1083: ##
1084: ##
1085: my @Headers;
1086: if (@$Concepts > 1) {
1087: @Headers = ("Concept\nNumber",'Concept',"Foil\nNumber",
1088: 'Foil Name','Foil Text','Correct value');
1089: } else {
1090: @Headers = ('Foil Number','FoilName','Foil Text','Correct value');
1091: }
1092: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1093: my %Foildata = %{$ORdata->{'_Foils'}};
1094: my $conceptindex = 1;
1095: my $foilindex = 1;
1096: foreach my $concept (@$Concepts) {
1097: my @FoilsInConcept = @{$concept->{'foils'}};
1098: my $firstfoil = shift(@FoilsInConcept);
1099: if (@$Concepts > 1) {
1100: $worksheet->write_row($rows_output++,0,
1101: [$conceptindex,
1102: $concept->{'name'},
1103: $foilindex++,
1104: $Foildata{$firstfoil}->{'name'},
1105: $Foildata{$firstfoil}->{'text'},
1106: $Foildata{$firstfoil}->{'value'},]);
1107: } else {
1108: $worksheet->write_row($rows_output++,0,
1109: [ $foilindex++,
1110: $Foildata{$firstfoil}->{'name'},
1111: $Foildata{$firstfoil}->{'text'},
1112: $Foildata{$firstfoil}->{'value'},]);
1113: }
1114: foreach my $foilid (@FoilsInConcept) {
1115: if (@$Concepts > 1) {
1116: $worksheet->write_row($rows_output++,0,
1117: ['',
1118: '',
1119: $foilindex,
1120: $Foildata{$foilid}->{'name'},
1121: $Foildata{$foilid}->{'text'},
1122: $Foildata{$foilid}->{'value'},]);
1123: } else {
1124: $worksheet->write_row($rows_output++,0,
1125: [$foilindex,
1126: $Foildata{$foilid}->{'name'},
1127: $Foildata{$foilid}->{'text'},
1128: $Foildata{$foilid}->{'value'},]);
1129: }
1130: } continue {
1131: $foilindex++;
1132: }
1133: } continue {
1134: $conceptindex++;
1135: }
1136: $rows_output++;
1137: $rows_output++;
1138: ##
1139: ## Option data output
1140: $worksheet->write($rows_output++,0,'Options',$format->{'header'});
1141: foreach my $string (@{$ORdata->{'_Options'}}) {
1142: $worksheet->write($rows_output++,0,$string);
1143: }
1144: return 'okay';
1145: }
1146:
1147: sub OR_build_response_data_worksheet {
1148: my ($worksheet,$format,$performance_data,$Foils,$ORdata)=@_;
1149: my $rows_output = 3;
1150: my $cols_output = 0;
1151: $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'});
1152: $worksheet->set_column(1,1,20);
1153: $worksheet->set_column(2,2,13);
1154: my @Headers = ('identifier','time','award detail','attempt');
1155: foreach my $foil (@$Foils) {
1156: push (@Headers,$foil.' submission');
1157: push (@Headers,$foil.' grading');
1158: }
1159: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
1160: #
1161: foreach my $row (@$performance_data) {
1162: next if (! defined($row));
1163: my ($student,$award,$grading,$submission,$time,$tries) = @$row;
1164: my @Foilgrades = split('&',$grading);
1165: my @Foilsubs = split('&',$submission);
1166: my %response_data;
1167: for (my $j=0;$j<=$#Foilgrades;$j++) {
1168: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1169: my (undef,$submission) = split('=',$Foilsubs[$j]);
1170: $submission = &Apache::lonnet::unescape($submission);
1171: $response_data{$foilid.' submission'}=$submission;
1172: $response_data{$foilid.' award'}=$correct;
1173: }
1174: $worksheet->write($rows_output,$cols_output++,$student);
1175: $worksheet->write($rows_output,$cols_output++,
1176: &Apache::lonstathelpers::calc_serial($time),$format->{'date'});
1177: $worksheet->write($rows_output,$cols_output++,$award);
1178: $worksheet->write($rows_output,$cols_output++,$tries);
1179: foreach my $foilid (@$Foils) {
1180: $worksheet->write($rows_output,$cols_output++,
1181: $response_data{$foilid.' submission'});
1182: $worksheet->write($rows_output,$cols_output++,
1183: $response_data{$foilid.' award'});
1184: }
1185: $rows_output++;
1186: $cols_output = 0;
1187: }
1188: return;
1189: }
1190:
1191: sub build_foil_index {
1192: my ($ORdata) = @_;
1193: return if (! exists($ORdata->{'_Foils'}));
1194: my %Foildata = %{$ORdata->{'_Foils'}};
1195: my @Foils = sort(keys(%Foildata));
1196: my %Concepts;
1197: foreach my $foilid (@Foils) {
1198: push(@{$Concepts{$Foildata{$foilid}->{'_Concept'}}},
1199: $foilid);
1200: }
1201: undef(@Foils);
1202: # Having gathered the concept information in a hash, we now translate it
1203: # into an array because we need to be consistent about order.
1204: # Also put the foils in order, too.
1205: my $sortfunction = sub {
1206: my %Numbers = (one => 1,
1207: two => 2,
1208: three => 3,
1209: four => 4,
1210: five => 5,
1211: six => 6,
1212: seven => 7,
1213: eight => 8,
1214: nine => 9,
1215: ten => 10,);
1216: my $a1 = lc($a);
1217: my $b1 = lc($b);
1218: if (exists($Numbers{$a1})) {
1219: $a1 = $Numbers{$a1};
1220: }
1221: if (exists($Numbers{$b1})) {
1222: $b1 = $Numbers{$b1};
1223: }
1224: if (($a1 =~/^\d+$/) && ($b1 =~/^\d+$/)) {
1225: return $a1 <=> $b1;
1226: } else {
1227: return $a1 cmp $b1;
1228: }
1229: };
1230: my @Concepts;
1231: foreach my $concept (sort $sortfunction (keys(%Concepts))) {
1232: if (! defined($Concepts{$concept})) {
1233: $Concepts{$concept}=[];
1234: # next;
1235: }
1236: push(@Concepts,{ name => $concept,
1237: foils => [@{$Concepts{$concept}}]});
1238: push(@Foils,(@{$Concepts{$concept}}));
1239: }
1240: #
1241: # Build up the table of row labels.
1242: my $table = '<table border="1" >'."\n";
1243: if (@Concepts > 1) {
1244: $table .= '<tr>'.
1245: '<th>'.&mt('Concept Number').'</th>'.
1246: '<th>'.&mt('Concept').'</th>'.
1247: '<th>'.&mt('Foil Number').'</th>'.
1248: '<th>'.&mt('Foil Name').'</th>'.
1249: '<th>'.&mt('Foil Text').'</th>'.
1250: '<th>'.&mt('Correct Value').'</th>'.
1251: "</tr>\n";
1252: } else {
1253: $table .= '<tr>'.
1254: '<th>'.&mt('Foil Number').'</th>'.
1255: '<th>'.&mt('Foil Name').'</th>'.
1256: '<th>'.&mt('Foil Text').'</th>'.
1257: '<th>'.&mt('Correct Value').'</th>'.
1258: "</tr>\n";
1259: }
1260: my $conceptindex = 1;
1261: my $foilindex = 1;
1262: foreach my $concept (@Concepts) {
1263: my @FoilsInConcept = @{$concept->{'foils'}};
1264: my $firstfoil = shift(@FoilsInConcept);
1265: if (@Concepts > 1) {
1266: $table .= '<tr>'.
1267: '<td>'.$conceptindex.'</td>'.
1268: '<td>'.&HTML::Entities::encode($concept->{'name'},'<>&"').'</td>'.
1269: '<td>'.$foilindex++.'</td>'.
1270: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1271: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1272: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1273: "</tr>\n";
1274: } else {
1275: $table .= '<tr>'.
1276: '<td>'.$foilindex++.'</td>'.
1277: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'name'},'<>&"').'</td>'.
1278: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1279: '<td>'.&HTML::Entities::encode($Foildata{$firstfoil}->{'value'},'<>&"').'</td>'.
1280: "</tr>\n";
1281: }
1282: foreach my $foilid (@FoilsInConcept) {
1283: if (@Concepts > 1) {
1284: $table .= '<tr>'.
1285: '<td></td>'.
1286: '<td></td>'.
1287: '<td>'.$foilindex.'</td>'.
1288: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1289: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1290: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1291: "</tr>\n";
1292: } else {
1293: $table .= '<tr>'.
1294: '<td>'.$foilindex.'</td>'.
1295: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'name'},'<>&"').'</td>'.
1296: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1297: '<td>'.&HTML::Entities::encode($Foildata{$foilid}->{'value'},'<>&"').'</td>'.
1298: "</tr>\n";
1299: }
1300: } continue {
1301: $foilindex++;
1302: }
1303: } continue {
1304: $conceptindex++;
1305: }
1306: $table .= "</table>\n";
1307: #
1308: # Build option index with color stuff
1309: return ($table,\@Foils,\@Concepts);
1310: }
1311:
1312: sub build_option_index {
1313: my ($ORdata)= @_;
1314: my $table = "<table>\n";
1315: my $optionindex = 0;
1316: my @Rows;
1317: foreach my $option (&mt('correct option chosen'),@{$ORdata->{'_Options'}}) {
1318: push (@Rows,
1319: '<tr>'.
1320: '<td bgcolor="'.$plotcolors->[$optionindex++].'">'.
1321: (' 'x4).'</td>'.
1322: '<td>'.&HTML::Entities::encode($option,'<>&"').'</td>'.
1323: "</tr>\n");
1324: }
1325: shift(@Rows); # Throw away 'correct option chosen' color
1326: $table .= join('',reverse(@Rows));
1327: $table .= "</table>\n";
1328: }
1329:
1330: #########################################################
1331: #########################################################
1332: ##
1333: ## Generic Interface Routines
1334: ##
1335: #########################################################
1336: #########################################################
1337: sub CreateInterface {
1338: ##
1339: ## Environment variable initialization
1340: if (! exists$ENV{'form.AnalyzeOver'}) {
1341: $ENV{'form.AnalyzeOver'} = 'Tries';
1342: }
1343: ##
1344: ## Build the menu
1345: my $Str = '';
1346: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1347: (undef,'Detailed Problem Analysis');
1348: $Str .= '<table cellspacing="5">'."\n";
1349: $Str .= '<tr>';
1350: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
1351: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
1352: # $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
1353: $Str .= '<td align="center"> </td>';
1354: $Str .= '</tr>'."\n";
1355: ##
1356: ##
1357: $Str .= '<tr><td align="center">'."\n";
1358: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1359: $Str .= '</td>';
1360: #
1361: $Str .= '<td align="center">';
1362: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1363: $Str .= '</td>';
1364: #
1365: # $Str .= '<td align="center">';
1366: my $only_seq_with_assessments = sub {
1367: my $s=shift;
1368: if ($s->{'num_assess'} < 1) {
1369: return 0;
1370: } else {
1371: return 1;
1372: }
1373: };
1374: &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
1375: $only_seq_with_assessments);
1376: ##
1377: ##
1378: $Str .= '<td>';
1379: { # These braces are here to organize the code, not scope it.
1380: {
1381: $Str .= '<nobr>'.&mt('Analyze Over ');
1382: $Str .= &Apache::loncommon::help_open_topic
1383: ('Analysis_Analyze_Over');
1384: $Str .='<select name="AnalyzeOver" >';
1385: $Str .= '<option value="Tries" ';
1386: if (! exists($ENV{'form.AnalyzeOver'}) ||
1387: $ENV{'form.AnalyzeOver'} eq 'Tries'){
1388: # Default to Tries
1389: $Str .= ' selected ';
1390: }
1391: $Str .= '>'.&mt('Tries').'</option>';
1392: $Str .= '<option value="Time" ';
1393: $Str .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'Time');
1394: $Str .= '>'.&mt('Time').'</option>';
1395: $Str .= '</select>';
1396: $Str .= '</nobr><br />';
1397: }
1398: {
1399: $Str .= '<nobr>'.&mt('Number of Plots:');
1400: $Str .= '<select name="NumPlots">';
1401: if (! exists($ENV{'form.NumPlots'})
1402: || $ENV{'form.NumPlots'} < 1
1403: || $ENV{'form.NumPlots'} > 20) {
1404: $ENV{'form.NumPlots'} = 5;
1405: }
1406: foreach my $i (1,2,3,4,5,6,7,8,10,15,20) {
1407: $Str .= '<option value="'.$i.'" ';
1408: if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; }
1409: $Str .= '>'.$i.'</option>';
1410: }
1411: $Str .= '</select></nobr><br />';
1412: }
1413: {
1414: $Str .= '<nobr>'.&mt('Status: [_1]',
1415: '<input type="text" '.
1416: 'name="stats_status" size="60" value="" />'
1417: ).
1418: '</nobr><br />';
1419: }
1420: }
1421: $Str .= '</td>';
1422: ##
1423: ##
1424: $Str .= '</tr>'."\n";
1425: $Str .= '</table>'."\n";
1426: return $Str;
1427: }
1428:
1429: #########################################################
1430: #########################################################
1431: ##
1432: ## Misc Option Response functions
1433: ##
1434: #########################################################
1435: #########################################################
1436: sub get_time_from_row {
1437: my ($row) = @_;
1438: if (ref($row)) {
1439: return $row->[&Apache::loncoursedata::RD_timestamp()];
1440: }
1441: return undef;
1442: }
1443:
1444: sub get_tries_from_row {
1445: my ($row) = @_;
1446: if (ref($row)) {
1447: return $row->[&Apache::loncoursedata::RD_tries()];
1448: }
1449: return undef;
1450: }
1451:
1452: sub hashify_attempt {
1453: my ($row) = @_;
1454: my %attempt;
1455: $attempt{'tries'} = $row->[&Apache::loncoursedata::RD_tries()];
1456: $attempt{'submission'} = $row->[&Apache::loncoursedata::RD_submission()];
1457: $attempt{'award'} = $row->[&Apache::loncoursedata::RD_awarddetail()];
1458: $attempt{'timestamp'} = $row->[&Apache::loncoursedata::RD_timestamp()];
1459: return %attempt;
1460: }
1461:
1462: sub Process_OR_Row {
1463: my ($row) = @_;
1464: my %RowData;
1465: my $student_id = $row->[&Apache::loncoursedata::RD_student_id()];
1466: my $award = $row->[&Apache::loncoursedata::RD_awarddetail()];
1467: my $grading = $row->[&Apache::loncoursedata::RD_response_eval()];
1468: my $submission = $row->[&Apache::loncoursedata::RD_submission()];
1469: my $time = $row->[&Apache::loncoursedata::RD_timestamp()];
1470: my $tries = $row->[&Apache::loncoursedata::RD_tries()];
1471: return undef if ($award eq 'MISSING_ANSWER');
1472: if ($award =~ /(APPROX_ANS|EXACT_ANS)/) {
1473: $RowData{'_correct'} = 1;
1474: }
1475: $RowData{'_total'} = 1;
1476: my @Foilgrades = split('&',$grading);
1477: my @Foilsubs = split('&',$submission);
1478: for (my $j=0;$j<=$#Foilgrades;$j++) {
1479: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1480: $foilid = &Apache::lonnet::unescape($foilid);
1481: my (undef,$submission) = split('=',$Foilsubs[$j]);
1482: if ($correct) {
1483: $RowData{$foilid}->{'_correct'}++;
1484: } else {
1485: $submission = &Apache::lonnet::unescape($submission);
1486: $RowData{$foilid}->{$submission}++;
1487: }
1488: $RowData{$foilid}->{'_total'}++;
1489: }
1490: return %RowData;
1491: }
1492:
1493: 1;
1494:
1495: __END__
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