Annotation of loncom/interface/statistics/lonsubmissiontimeanalysis.pm, revision 1.31
1.1 matthew 1: # The LearningOnline Network with CAPA
2: #
1.31 ! bisitz 3: # $Id: lonsubmissiontimeanalysis.pm,v 1.30 2008/10/30 17:45:25 bisitz Exp $
1.1 matthew 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;
1.23 albertel 31: use Apache::lonnet;
1.1 matthew 32: use Apache::loncommon();
33: use Apache::lonhtmlcommon();
34: use Apache::loncoursedata();
35: use Apache::lonstatistics;
1.10 matthew 36: use Apache::lonstathelpers;
1.1 matthew 37: use Apache::lonlocal;
38: use HTML::Entities();
39: use Time::Local();
40:
41: my $plotcolors = ['#33ff00',
42: '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933',
43: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
44: ];
45:
46: my @SubmitButtons = (
1.11 matthew 47: { name => 'PrevProblemAnalysis',
48: text => 'Previous Problem' },
49: { name => 'ProblemAnalysis',
1.1 matthew 50: text => 'Analyze Problem Again' },
1.11 matthew 51: { name => 'NextProblemAnalysis',
52: text => 'Next Problem' },
1.1 matthew 53: { name => 'SelectAnother',
1.11 matthew 54: text => 'Choose a different Problem' },
1.1 matthew 55: );
56:
57: sub BuildSubmissionTimePage {
58: my ($r,$c)=@_;
1.4 matthew 59: #
60: my %Saveable_Parameters = ('Status' => 'scalar',
61: 'Section' => 'array');
62: &Apache::loncommon::store_course_settings('submissiontime_analysis',
63: \%Saveable_Parameters);
64: &Apache::loncommon::restore_course_settings('submissiontime_analysis',
65: \%Saveable_Parameters);
66: #
67: &Apache::lonstatistics::PrepareClasslist();
68: #
1.1 matthew 69: $r->print(&CreateInterface());
70: #
71: my @Students = @Apache::lonstatistics::Students;
72: #
73: if (@Students < 1) {
1.30 bisitz 74: $r->print('<div class="LC_warning">'
75: .&mt('There are no students in the sections selected.'
76: .'</div>')
77: );
1.1 matthew 78: }
79: #
1.15 matthew 80: my @CacheButtonHTML =
81: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
1.1 matthew 82: $r->rflush();
83: #
1.23 albertel 84: if (! exists($env{'form.problemchoice'}) ||
85: exists($env{'form.SelectAnother'})) {
1.24 matthew 86: my $submit_button = '<input type="submit" name="" value="'.
1.30 bisitz 87: # &mt('Graph Problem Submission Times').'" />';
88: &mt('Generate Graph').'" />';
1.24 matthew 89: $r->print($submit_button.' 'x5);
1.1 matthew 90: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
1.24 matthew 91: $r->print(&Apache::lonstathelpers::problem_selector('.',
92: $submit_button));
1.1 matthew 93: } else {
94: foreach my $button (@SubmitButtons) {
95: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
96: 'value="'.&mt($button->{'text'}).'" />');
97: $r->print(' 'x5);
98: }
1.15 matthew 99: foreach my $html (@CacheButtonHTML) {
100: $r->print($html.(' 'x5));
101: }
102: $r->rflush();
1.11 matthew 103: #
104: # Determine which problem we are to analyze
105: my $current_problem = &Apache::lonstathelpers::get_target_from_id
1.23 albertel 106: ($env{'form.problemchoice'});
1.11 matthew 107: #
1.18 matthew 108: my ($navmap,$prev,$curr,$next) =
1.11 matthew 109: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
110: '.',
111: 'part');
1.23 albertel 112: if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) {
1.11 matthew 113: $current_problem = $prev;
1.23 albertel 114: } elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) {
1.11 matthew 115: $current_problem = $next;
116: } else {
117: $current_problem = $curr;
118: }
119: #
120: # Store the current problem choice and send it out in the form
1.23 albertel 121: $env{'form.problemchoice'} =
1.11 matthew 122: &Apache::lonstathelpers::make_target_id($current_problem);
1.1 matthew 123: $r->print('<input type="hidden" name="problemchoice" value="'.
1.23 albertel 124: $env{'form.problemchoice'}.'" />');
1.1 matthew 125: #
126: $r->print('<hr />');
127: $r->rflush();
128: #
1.11 matthew 129: my $resource = $current_problem->{'resource'};
1.1 matthew 130: if (! defined($resource)) {
1.30 bisitz 131: $r->print('<div class="LC_warning">'
132: .&mt('Resource is undefined.')
133: .'</div>'
134: );
1.1 matthew 135: } else {
1.18 matthew 136: $r->print('<h1>'.$resource->compTitle.'</h1>');
137: $r->print('<h3>'.$resource->src.'</h3>');
1.22 matthew 138: $r->print('<h4>'.
139: &Apache::lonstatistics::section_and_enrollment_description().
140: '</h4>');
1.1 matthew 141: $r->rflush();
1.30 bisitz 142: $r->print('<hr />');
1.10 matthew 143: $r->print(&Apache::lonstathelpers::render_resource($resource));
1.30 bisitz 144: $r->print('<hr /><br />');
1.1 matthew 145: $r->rflush();
1.28 albertel 146: if (@Students) {
147: $r->print(&analyze_times($r,$resource->symb,\@Students,
148: $current_problem->{'part'}));
149: }
1.1 matthew 150: }
151: $r->print('<hr />');
152: }
153: }
154:
155: #########################################################
156: #########################################################
157: ##
158: ## Time Analysis
159: ##
160: #########################################################
161: #########################################################
162: sub get_week_start {
163: my ($randomtime) = @_;
164: my ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
165: localtime($randomtime);
166: $randomtime -= $wday * 86400;
167: ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
168: localtime($randomtime);
169: my $week_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
170: return $week_start;
171: }
172:
173: sub analyze_times {
1.18 matthew 174: my ($r,$symb,$students,$part) = @_;
1.16 matthew 175: my $htmltable;
1.2 matthew 176: #
177: # Convenience arrays
178: my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday
179: Saturday/);
180: my @WeekDay = (qw/SUN MON TUE WED THU FRI SAT SUN/);
181: my @Month = (qw/Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec/);
182: #
1.1 matthew 183: my $html; # holds results of analysis
184: # Get the data
185: my $SubData = &Apache::loncoursedata::get_response_time_data
1.22 matthew 186: ([&Apache::lonstatistics::get_selected_sections()],
1.26 raeburn 187: [&Apache::lonstatistics::get_selected_groups()],
1.18 matthew 188: $Apache::lonstatistics::enrollment_status,
189: $symb,$part);
1.1 matthew 190: if (! defined($SubData) || ! ref($SubData)) {
1.30 bisitz 191: $html.= '<div class="LC_warning">'
192: .&mt('There is no submission data for this problem at all.')
193: .'</div>';
1.1 matthew 194: return $html;
195: }
196: my $NumSub = scalar(@{$SubData});
197: if (! @{$SubData}) {
1.30 bisitz 198: $html.= '<div class="LC_warning">'
199: .&mt('There is no submission data for this problem.')
200: .'</div>';
1.1 matthew 201: return $html;
202: }
203: # Process the data
204: #
205: my (undef,undef,undef,$mday,$month,$year,$wday,$yday,$isdst) =
206: localtime(&get_time_from_row($SubData->[0]));
207: my $day_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
208: #
1.2 matthew 209: # Configure the bins used to store the data.
1.1 matthew 210: my $binsize = 3600; # seconds
211: my $bins_per_day = 86400/$binsize;
212: my $bincount = 0;
213: my $endtime = $day_start;
214: #
1.2 matthew 215: # Initialize loop variables
1.17 matthew 216: my $max; # The sum of @Ydata
217: my @Ydata=(0); # number of submissions
218: my @AnsData=(0); # number of correct submissions
219: my @Xlabel=($WeekDay[$wday]); # Labels of itmes
220: my @BinEnd; # The end time of each bin
221: my $cumulative_answers = 0; # The sum of @AnsData
1.19 matthew 222: my %students; # which students have attempted the problem?
1.2 matthew 223: #
1.1 matthew 224: foreach my $row (@$SubData) {
225: my $subtime = &get_time_from_row($row);
226: while ($subtime > $endtime && $endtime < time) {
227: # Create a new bin
228: $bincount++;
1.17 matthew 229: $Ydata[$bincount] = 0;
230: $AnsData[$bincount] = 0;
1.1 matthew 231: $endtime += $binsize;
1.16 matthew 232: push(@BinEnd,$endtime);
1.1 matthew 233: if ($bincount % (86400/$binsize) == 0) {
1.2 matthew 234: $wday++;
1.1 matthew 235: $wday %= 7;
1.2 matthew 236: $Xlabel[$bincount] = $WeekDay[$wday];
1.1 matthew 237: } else {
238: $Xlabel[$bincount] = '';
239: }
240: }
241: $Ydata[$bincount]++;
242: $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]);
243: $AnsData[$bincount] += &successful_submission($row);
244: $cumulative_answers += &successful_submission($row);
1.19 matthew 245: $students{$row->[&Apache::loncoursedata::RT_student_id()]}++;
1.1 matthew 246: }
1.17 matthew 247: #
248: # Pad the data to a full day
1.1 matthew 249: while ($bincount % $bins_per_day != 0) {
250: $bincount++;
251: $Ydata[$bincount]=0;
1.17 matthew 252: $AnsData[$bincount]=0;
1.1 matthew 253: $endtime += $binsize;
1.17 matthew 254: push(@BinEnd,$endtime);
1.1 matthew 255: if ($bincount % (86400/$binsize) == 0) {
1.2 matthew 256: $wday ++;
257: $wday %= 7;
1.1 matthew 258: $Xlabel[$bincount] = $WeekDay[$wday];
259: } else {
260: $Xlabel[$bincount] = '';
261: }
262: }
1.19 matthew 263: my $numstudents = scalar(keys(%students));
1.17 matthew 264: #
265: # Determine a nice maximum value to use
266: foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100,
267: 120,150,200,250,300,350,400,450,500,
268: 600,700,800,900,1000,1100,1200,1500,2000,
269: 2500,3000,4000,5000) {
270: if ($max < $maximum) {
271: $max = $maximum;
272: last;
273: }
274: }
275: #
276: # Build the data table
1.16 matthew 277: $htmltable = '<p>'.
278: '<table rules="groups" frame="border" '.
279: 'summary="Student submission data">'.
280: '<thead>'.
281: '<tr>'.
1.17 matthew 282: '<th valign="bottom">'.&mt('Begin').'</th>'.
1.16 matthew 283: '<th>'.(' 'x3).'</th>'.
1.17 matthew 284: '<th valign="bottom">'.&mt('End').'</th>'.
1.20 matthew 285: '<th valign="bottom">'.&mt('Submissions (plotted)').'</th>'.
1.16 matthew 286: '<th>'.(' 'x3).'</th>'.
1.20 matthew 287: '<th valign="bottom">'.&mt('Correct Submissions (not plotted)').'</th>'.
1.16 matthew 288: '<th>'.(' 'x3).'</th>'.
1.20 matthew 289: '<th valign="bottom">'.&mt('Cumulative Correct of those attempting the problem (not plotted)').'</th>'.
1.19 matthew 290: '<th>'.(' 'x3).'</th>'.
1.20 matthew 291: '<th valign="bottom">'.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').'</th>'.
292: '<th>'.(' 'x3).'</th>'.
293: '<th valign="bottom">'.&mt('Cumulative Percent Correct of selected students (plotted)').'</th>'.
1.16 matthew 294: '</tr>'.
295: '</thead>'.
296: '<tbody>';
1.17 matthew 297: my @CumulativeCorrect=(0);
1.20 matthew 298: my @corr_as_percent_of_selected;
299: my @corr_as_percent_of_answering;
1.17 matthew 300: for (my $i=0;$i<=$#Ydata;$i++) {
301: $CumulativeCorrect[$i]=$CumulativeCorrect[-1]+$AnsData[$i];
1.20 matthew 302: $corr_as_percent_of_answering[$i] =
303: sprintf('%3.1f',100*$CumulativeCorrect[$i]/$numstudents);
304: $corr_as_percent_of_selected[$i] =
305: sprintf('%3.1f',100*$CumulativeCorrect[$i]/scalar(@$students));
1.16 matthew 306: if ($Ydata[$i] != 0) {
307: next if (! defined($BinEnd[$i]) || $BinEnd[$i] == 0);
308: $htmltable .=
309: '<tr>'.
1.31 ! bisitz 310: '<td align="right"><span class="LC_nobreak">'.
1.16 matthew 311: &Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize).
1.31 ! bisitz 312: '</span></td>'.
1.16 matthew 313: '<td> </td>'.
1.31 ! bisitz 314: '<td align="right"><span class="LC_nobreak">'.
1.16 matthew 315: &Apache::lonlocal::locallocaltime($BinEnd[$i]).'</td>'.
1.31 ! bisitz 316: '</span></td>'.
1.16 matthew 317: '<td align="right">'.$Ydata[$i].(' 'x3).'</td>'.
318: '<td> </td>'.
1.17 matthew 319: '<td align="right">'.$AnsData[$i].(' 'x3).'</td>'.
320: '<td> </td>'.
1.19 matthew 321: '<td align="right">'.$CumulativeCorrect[$i].'</td>'.
322: '<td> </td>'.
1.20 matthew 323: '<td align="right">'.$corr_as_percent_of_answering[$i].'</td>'.
324: '<td> </td>'.
325: '<td align="right">'.$corr_as_percent_of_selected[$i].'</td>'.
1.16 matthew 326: '</tr>'.$/;
327: }
1.6 matthew 328: }
1.16 matthew 329: $htmltable .= '</tbody></table></p>';
1.17 matthew 330: #
331: # Build the plot
332: my $title = '';#'Number of Submissions and Number Correct';
1.1 matthew 333: my $xlabel;
1.2 matthew 334: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start);
335: $xlabel .= $FullWeekDay[$wday].' '.
336: join(' ',($Month[$month],$mday,1900+$year)).' - ';
337: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime);
338: $xlabel .= $FullWeekDay[$wday].' '.
339: join(' ',($Month[$month],$mday,1900+$year));
1.8 matthew 340: my $width = 50+2*$bincount;
341: if ($width < 250) {
342: $width = 250;
343: }
1.17 matthew 344: #
1.1 matthew 345: $html .= &Apache::loncommon::DrawXYYGraph($title,
346: $xlabel,
1.6 matthew 347: 'Submissions vs Time',
1.1 matthew 348: $plotcolors,
349: \@Xlabel,
1.17 matthew 350: \@Ydata,0,$max,
1.20 matthew 351: \@corr_as_percent_of_selected,0,100,
1.1 matthew 352: (xskip => $bins_per_day,
353: x_ticks => $bins_per_day,
354: x_tick_offset => $bins_per_day,
1.8 matthew 355: width => $width,
1.7 matthew 356: y1_label=>'Number of Submissions per hour',
357: y2_label=>'Percent of Students answering Correctly',
358: 'data.1.label'=>'Submissions per hour',
359: 'data.2.label'=>'Percent correct',
360: )
1.1 matthew 361: );
1.16 matthew 362: $html .= '<br />'.$htmltable;
1.1 matthew 363: return $html;
364: }
365:
366: sub successful_submission {
367: my ($row) = @_;
368: if (ref($row) eq 'ARRAY') {
1.3 matthew 369: return $row->[&Apache::loncoursedata::RT_awarded()];
1.1 matthew 370: }
371: return undef;
372: }
373:
374: sub get_time_from_row {
375: my ($row) = @_;
376: if (ref($row) eq 'ARRAY') {
1.3 matthew 377: return $row->[&Apache::loncoursedata::RT_timestamp()];
1.1 matthew 378: }
379: return undef;
380: }
381:
382: sub get_tries_from_row {
383: my ($row) = @_;
384: if (ref($row) eq 'ARRAY') {
1.3 matthew 385: return $row->[&Apache::loncoursedata::RT_tries()];
1.1 matthew 386: }
387: return undef;
388: }
389:
390: sub Process_Row {
391: my ($row) = @_;
392: my %RowData;
393: my ($student_id,$award,$tries,$time) = @$row;
394: return %RowData;
395: }
396:
397: #########################################################
398: #########################################################
399: ##
400: ## Generic Interface Routines
401: ##
402: #########################################################
403: #########################################################
404: sub CreateInterface {
405: ##
406: ## Environment variable initialization
1.23 albertel 407: if (! exists$env{'form.AnalyzeOver'}) {
408: $env{'form.AnalyzeOver'} = 'Tries';
1.1 matthew 409: }
410: ##
411: ## Build the menu
412: my $Str = '';
1.25 albertel 413: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Submission Time Plots');
1.15 matthew 414: $Str .= '<p>';
1.30 bisitz 415: $Str .= &Apache::loncommon::start_data_table();
416: $Str .= &Apache::loncommon::start_data_table_header_row();
417: $Str .= '<th>'.&mt('Sections').'</th>';
418: $Str .= '<th>'.&mt('Groups').'</th>';
419: $Str .= '<th>'.&mt('Access Status').'</th>';
420: $Str .= &Apache::loncommon::end_data_table_header_row();
1.1 matthew 421: ##
422: ##
1.30 bisitz 423: $Str .= &Apache::loncommon::start_data_table_row();
424: $Str .= '<td align="center">'."\n";
1.16 matthew 425: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4);
1.1 matthew 426: $Str .= '</td>';
427: #
1.26 raeburn 428: $Str .= '<td align="center">'."\n";
429: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',4);
430: $Str .= '</td>';
431: #
1.1 matthew 432: $Str .= '<td align="center">';
1.16 matthew 433: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4);
1.1 matthew 434: $Str .= '</td>';
1.16 matthew 435: #
1.30 bisitz 436: $Str .= &Apache::loncommon::end_data_table_row();
437: $Str .= &Apache::loncommon::end_data_table();
1.1 matthew 438: #
1.29 bisitz 439: $Str .= '<p><span class="LC_nobreak">'
440: .&mt('Status: [_1]',
441: '<input type="text" name="stats_status"'
442: .' size="60" value="" readonly="readonly" />')
443: .'</span></p>';
444: $Str .= '</p>';
1.1 matthew 445: ##
446: return $Str;
447: }
448:
449: 1;
450:
451: __END__
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