1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonsubmissiontimeanalysis.pm,v 1.11 2004/01/20 15:51:06 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:
28: package Apache::lonsubmissiontimeanalysis;
29:
30: use strict;
31: use Apache::lonnet();
32: use Apache::loncommon();
33: use Apache::lonhtmlcommon();
34: use Apache::loncoursedata();
35: use Apache::lonstatistics;
36: use Apache::lonstathelpers;
37: use Apache::lonlocal;
38: use HTML::Entities();
39: use Time::Local();
40: use Spreadsheet::WriteExcel();
41:
42: my $plotcolors = ['#33ff00',
43: '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933',
44: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
45: ];
46:
47: my @SubmitButtons = (
48: { name => 'PrevProblemAnalysis',
49: text => 'Previous Problem' },
50: { name => 'ProblemAnalysis',
51: text => 'Analyze Problem Again' },
52: { name => 'NextProblemAnalysis',
53: text => 'Next Problem' },
54: { name => 'SelectAnother',
55: text => 'Choose a different Problem' },
56: );
57:
58: sub BuildSubmissionTimePage {
59: my ($r,$c)=@_;
60: #
61: my %Saveable_Parameters = ('Status' => 'scalar',
62: 'Section' => 'array');
63: &Apache::loncommon::store_course_settings('submissiontime_analysis',
64: \%Saveable_Parameters);
65: &Apache::loncommon::restore_course_settings('submissiontime_analysis',
66: \%Saveable_Parameters);
67: #
68: &Apache::lonstatistics::PrepareClasslist();
69: #
70: $r->print('<h2>'.&mt('Submission Time Plots').'</h2>');
71: $r->print(&CreateInterface());
72: #
73: my @Students = @Apache::lonstatistics::Students;
74: #
75: if (@Students < 1) {
76: $r->print('<h2>There are no students in the sections selected</h2>');
77: }
78: #
79: &Apache::loncoursedata::clear_internal_caches();
80: if (exists($ENV{'form.ClearCache'}) ||
81: exists($ENV{'form.updatecaches'}) ||
82: (exists($ENV{'form.firstanalysis'}) &&
83: $ENV{'form.firstanalysis'} ne 'no')) {
84: &Apache::lonstatistics::Gather_Full_Student_Data($r);
85: }
86: if (! exists($ENV{'form.firstanalysis'})) {
87: $r->print('<input type="hidden" name="firstanalysis" value="yes" />');
88: } else {
89: $r->print('<input type="hidden" name="firstanalysis" value="no" />');
90: }
91: $r->rflush();
92: #
93: if (! exists($ENV{'form.problemchoice'}) ||
94: exists($ENV{'form.SelectAnother'})) {
95: $r->print('<input type="submit" name="" value="'.
96: &mt('Graph Problem Submission Times').'" />');
97: $r->print(' 'x5);
98: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
99: $r->print(&Apache::lonstathelpers::ProblemSelector('.'));
100: } else {
101: foreach my $button (@SubmitButtons) {
102: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
103: 'value="'.&mt($button->{'text'}).'" />');
104: $r->print(' 'x5);
105: }
106: #
107: # Determine which problem we are to analyze
108: my $current_problem = &Apache::lonstathelpers::get_target_from_id
109: ($ENV{'form.problemchoice'});
110: #
111: my ($prev,$curr,$next) =
112: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
113: '.',
114: 'part');
115: if (exists($ENV{'form.PrevProblemAnalysis'}) && defined($prev)) {
116: $current_problem = $prev;
117: } elsif (exists($ENV{'form.NextProblemAnalysis'}) && defined($next)) {
118: $current_problem = $next;
119: } else {
120: $current_problem = $curr;
121: }
122: #
123: # Store the current problem choice and send it out in the form
124: $ENV{'form.problemchoice'} =
125: &Apache::lonstathelpers::make_target_id($current_problem);
126: $r->print('<input type="hidden" name="problemchoice" value="'.
127: $ENV{'form.problemchoice'}.'" />');
128: #
129: $r->print('<hr />');
130: $r->rflush();
131: #
132: my $resource = $current_problem->{'resource'};
133: if (! defined($resource)) {
134: $r->print('resource is undefined');
135: } else {
136: $r->print('<h1>'.$resource->{'title'}.'</h1>');
137: $r->print('<h3>'.$resource->{'src'}.'</h3>');
138: $r->rflush();
139: $r->print(&Apache::lonstathelpers::render_resource($resource));
140: $r->rflush();
141: $r->print(&analyze_times($r,$resource,\@Students,
142: $current_problem->{'part'}));
143: }
144: $r->print('<hr />');
145: }
146: }
147:
148: #########################################################
149: #########################################################
150: ##
151: ## Time Analysis
152: ##
153: #########################################################
154: #########################################################
155: sub get_week_start {
156: my ($randomtime) = @_;
157: my ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
158: localtime($randomtime);
159: $randomtime -= $wday * 86400;
160: ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
161: localtime($randomtime);
162: my $week_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
163: return $week_start;
164: }
165:
166: sub analyze_times {
167: my ($r,$resource,$students,$part) = @_;
168: #
169: # Convenience arrays
170: my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday
171: Saturday/);
172: my @WeekDay = (qw/SUN MON TUE WED THU FRI SAT SUN/);
173: my @Month = (qw/Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec/);
174: #
175: my $html; # holds results of analysis
176: # Get the data
177: my $SubData = &Apache::loncoursedata::get_response_time_data
178: ($students,$resource->{'symb'},$part);
179: if (! defined($SubData) || ! ref($SubData)) {
180: $html.= '<h2>There is no submission data for this problem</h2>';
181: return $html;
182: }
183: my $NumSub = scalar(@{$SubData});
184: if (! @{$SubData}) {
185: $html.= '<h2>There is no submission data for this problem</h2>';
186: return $html;
187: }
188: # Process the data
189: #
190: my (undef,undef,undef,$mday,$month,$year,$wday,$yday,$isdst) =
191: localtime(&get_time_from_row($SubData->[0]));
192: my $day_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
193: #
194: # Configure the bins used to store the data.
195: my $binsize = 3600; # seconds
196: my $bins_per_day = 86400/$binsize;
197: my $bincount = 0;
198: my $endtime = $day_start;
199: #
200: # Initialize loop variables
201: my $max;
202: my @Ydata=(0);
203: my @AnsData=(0);
204: my @Xlabel=($WeekDay[$wday]);
205: my $cumulative_answers = 0;
206: #
207: foreach my $row (@$SubData) {
208: my $subtime = &get_time_from_row($row);
209: while ($subtime > $endtime && $endtime < time) {
210: # Create a new bin
211: $bincount++;
212: $Ydata[$bincount]=0;
213: $AnsData[$bincount]=$AnsData[$bincount-1];
214: $endtime += $binsize;
215: if ($bincount % (86400/$binsize) == 0) {
216: $wday++;
217: $wday %= 7;
218: $Xlabel[$bincount] = $WeekDay[$wday];
219: } else {
220: $Xlabel[$bincount] = '';
221: }
222: }
223: $Ydata[$bincount]++;
224: $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]);
225: $AnsData[$bincount] += &successful_submission($row);
226: $cumulative_answers += &successful_submission($row);
227: }
228: foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100,
229: 120,150,200,250,300,350,400,450,500,
230: 600,700,800,900,1000,1100,1200,1500,2000,
231: 2500,3000,4000,5000) {
232: if ($max < $maximum) {
233: $max = $maximum;
234: last;
235: }
236: }
237: while ($bincount % $bins_per_day != 0) {
238: $bincount++;
239: $Ydata[$bincount]=0;
240: $AnsData[$bincount]=$AnsData[$bincount-1];
241: $endtime += $binsize;
242: if ($bincount % (86400/$binsize) == 0) {
243: $wday ++;
244: $wday %= 7;
245: $Xlabel[$bincount] = $WeekDay[$wday];
246: } else {
247: $Xlabel[$bincount] = '';
248: }
249: }
250: my $numstudents = scalar(@$students);
251: for (my $i=0;$i<=$#AnsData;$i++) {
252: $AnsData[$i] = int(100*($AnsData[$i]/$numstudents));
253: }
254: my $title = 'Number of Submissions and Number Correct';
255: my $xlabel;
256: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start);
257: $xlabel .= $FullWeekDay[$wday].' '.
258: join(' ',($Month[$month],$mday,1900+$year)).' - ';
259: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime);
260: $xlabel .= $FullWeekDay[$wday].' '.
261: join(' ',($Month[$month],$mday,1900+$year));
262: my $width = 50+2*$bincount;
263: if ($width < 250) {
264: $width = 250;
265: }
266: $html .= &Apache::loncommon::DrawXYYGraph($title,
267: $xlabel,
268: 'Submissions vs Time',
269: $plotcolors,
270: \@Xlabel,
271: \@Ydata,
272: 0,$max,
273: \@AnsData,
274: 0,100,
275: (xskip => $bins_per_day,
276: x_ticks => $bins_per_day,
277: x_tick_offset => $bins_per_day,
278: width => $width,
279: y1_label=>'Number of Submissions per hour',
280: y2_label=>'Percent of Students answering Correctly',
281: 'data.1.label'=>'Submissions per hour',
282: 'data.2.label'=>'Percent correct',
283: )
284: );
285: $html .= '<br />';
286: return $html;
287: }
288:
289: sub successful_submission {
290: my ($row) = @_;
291: if (ref($row) eq 'ARRAY') {
292: return $row->[&Apache::loncoursedata::RT_awarded()];
293: }
294: return undef;
295: return 0;
296: }
297:
298: sub get_time_from_row {
299: my ($row) = @_;
300: if (ref($row) eq 'ARRAY') {
301: return $row->[&Apache::loncoursedata::RT_timestamp()];
302: }
303: return undef;
304: }
305:
306: sub get_tries_from_row {
307: my ($row) = @_;
308: if (ref($row) eq 'ARRAY') {
309: return $row->[&Apache::loncoursedata::RT_tries()];
310: }
311: return undef;
312: }
313:
314: sub Process_Row {
315: my ($row) = @_;
316: my %RowData;
317: my ($student_id,$award,$tries,$time) = @$row;
318: return %RowData;
319: }
320:
321: #########################################################
322: #########################################################
323: ##
324: ## Generic Interface Routines
325: ##
326: #########################################################
327: #########################################################
328: sub CreateInterface {
329: ##
330: ## Environment variable initialization
331: if (! exists$ENV{'form.AnalyzeOver'}) {
332: $ENV{'form.AnalyzeOver'} = 'Tries';
333: }
334: ##
335: ## Build the menu
336: my $Str = '';
337: $Str .= '<table cellspacing="5">'."\n";
338: $Str .= '<tr>';
339: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
340: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
341: $Str .= '<td align="center"> </td>';
342: $Str .= '</tr>'."\n";
343: ##
344: ##
345: $Str .= '<tr><td align="center">'."\n";
346: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
347: $Str .= '</td>';
348: #
349: $Str .= '<td align="center">';
350: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
351: $Str .= '</td>';
352: #
353: my $only_seq_with_assessments = sub {
354: my $s=shift;
355: if ($s->{'num_assess'} < 1) {
356: return 0;
357: } else {
358: return 1;
359: }
360: };
361: &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
362: $only_seq_with_assessments);
363: ##
364: ##
365: $Str .= '</tr>'."\n";
366: $Str .= '</table>'."\n";
367: return $Str;
368: }
369:
370: 1;
371:
372: __END__
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