Annotation of loncom/interface/statistics/lonsubmissiontimeanalysis.pm, revision 1.29
1.1 matthew 1: # The LearningOnline Network with CAPA
2: #
1.29 ! bisitz 3: # $Id: lonsubmissiontimeanalysis.pm,v 1.28 2006/12/21 19:52:28 albertel 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) {
74: $r->print('<h2>There are no students in the sections selected</h2>');
75: }
76: #
1.15 matthew 77: my @CacheButtonHTML =
78: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status');
1.1 matthew 79: $r->rflush();
80: #
1.23 albertel 81: if (! exists($env{'form.problemchoice'}) ||
82: exists($env{'form.SelectAnother'})) {
1.24 matthew 83: my $submit_button = '<input type="submit" name="" value="'.
84: &mt('Graph Problem Submission Times').'" />';
85: $r->print($submit_button.' 'x5);
1.1 matthew 86: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
1.24 matthew 87: $r->print(&Apache::lonstathelpers::problem_selector('.',
88: $submit_button));
1.1 matthew 89: } else {
90: foreach my $button (@SubmitButtons) {
91: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
92: 'value="'.&mt($button->{'text'}).'" />');
93: $r->print(' 'x5);
94: }
1.15 matthew 95: foreach my $html (@CacheButtonHTML) {
96: $r->print($html.(' 'x5));
97: }
98: $r->rflush();
1.11 matthew 99: #
100: # Determine which problem we are to analyze
101: my $current_problem = &Apache::lonstathelpers::get_target_from_id
1.23 albertel 102: ($env{'form.problemchoice'});
1.11 matthew 103: #
1.18 matthew 104: my ($navmap,$prev,$curr,$next) =
1.11 matthew 105: &Apache::lonstathelpers::get_prev_curr_next($current_problem,
106: '.',
107: 'part');
1.23 albertel 108: if (exists($env{'form.PrevProblemAnalysis'}) && defined($prev)) {
1.11 matthew 109: $current_problem = $prev;
1.23 albertel 110: } elsif (exists($env{'form.NextProblemAnalysis'}) && defined($next)) {
1.11 matthew 111: $current_problem = $next;
112: } else {
113: $current_problem = $curr;
114: }
115: #
116: # Store the current problem choice and send it out in the form
1.23 albertel 117: $env{'form.problemchoice'} =
1.11 matthew 118: &Apache::lonstathelpers::make_target_id($current_problem);
1.1 matthew 119: $r->print('<input type="hidden" name="problemchoice" value="'.
1.23 albertel 120: $env{'form.problemchoice'}.'" />');
1.1 matthew 121: #
122: $r->print('<hr />');
123: $r->rflush();
124: #
1.11 matthew 125: my $resource = $current_problem->{'resource'};
1.1 matthew 126: if (! defined($resource)) {
127: $r->print('resource is undefined');
128: } else {
1.18 matthew 129: $r->print('<h1>'.$resource->compTitle.'</h1>');
130: $r->print('<h3>'.$resource->src.'</h3>');
1.22 matthew 131: $r->print('<h4>'.
132: &Apache::lonstatistics::section_and_enrollment_description().
133: '</h4>');
1.1 matthew 134: $r->rflush();
1.10 matthew 135: $r->print(&Apache::lonstathelpers::render_resource($resource));
1.15 matthew 136: $r->print('<br />');
1.1 matthew 137: $r->rflush();
1.28 albertel 138: if (@Students) {
139: $r->print(&analyze_times($r,$resource->symb,\@Students,
140: $current_problem->{'part'}));
141: }
1.1 matthew 142: }
143: $r->print('<hr />');
144: }
145: }
146:
147: #########################################################
148: #########################################################
149: ##
150: ## Time Analysis
151: ##
152: #########################################################
153: #########################################################
154: sub get_week_start {
155: my ($randomtime) = @_;
156: my ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
157: localtime($randomtime);
158: $randomtime -= $wday * 86400;
159: ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) =
160: localtime($randomtime);
161: my $week_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
162: return $week_start;
163: }
164:
165: sub analyze_times {
1.18 matthew 166: my ($r,$symb,$students,$part) = @_;
1.16 matthew 167: my $htmltable;
1.2 matthew 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: #
1.1 matthew 175: my $html; # holds results of analysis
176: # Get the data
177: my $SubData = &Apache::loncoursedata::get_response_time_data
1.22 matthew 178: ([&Apache::lonstatistics::get_selected_sections()],
1.26 raeburn 179: [&Apache::lonstatistics::get_selected_groups()],
1.18 matthew 180: $Apache::lonstatistics::enrollment_status,
181: $symb,$part);
1.1 matthew 182: if (! defined($SubData) || ! ref($SubData)) {
1.18 matthew 183: $html.= '<h2>There is no submission data for this problem at all</h2>';
1.1 matthew 184: return $html;
185: }
186: my $NumSub = scalar(@{$SubData});
187: if (! @{$SubData}) {
1.9 matthew 188: $html.= '<h2>There is no submission data for this problem</h2>';
1.1 matthew 189: return $html;
190: }
191: # Process the data
192: #
193: my (undef,undef,undef,$mday,$month,$year,$wday,$yday,$isdst) =
194: localtime(&get_time_from_row($SubData->[0]));
195: my $day_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
196: #
1.2 matthew 197: # Configure the bins used to store the data.
1.1 matthew 198: my $binsize = 3600; # seconds
199: my $bins_per_day = 86400/$binsize;
200: my $bincount = 0;
201: my $endtime = $day_start;
202: #
1.2 matthew 203: # Initialize loop variables
1.17 matthew 204: my $max; # The sum of @Ydata
205: my @Ydata=(0); # number of submissions
206: my @AnsData=(0); # number of correct submissions
207: my @Xlabel=($WeekDay[$wday]); # Labels of itmes
208: my @BinEnd; # The end time of each bin
209: my $cumulative_answers = 0; # The sum of @AnsData
1.19 matthew 210: my %students; # which students have attempted the problem?
1.2 matthew 211: #
1.1 matthew 212: foreach my $row (@$SubData) {
213: my $subtime = &get_time_from_row($row);
214: while ($subtime > $endtime && $endtime < time) {
215: # Create a new bin
216: $bincount++;
1.17 matthew 217: $Ydata[$bincount] = 0;
218: $AnsData[$bincount] = 0;
1.1 matthew 219: $endtime += $binsize;
1.16 matthew 220: push(@BinEnd,$endtime);
1.1 matthew 221: if ($bincount % (86400/$binsize) == 0) {
1.2 matthew 222: $wday++;
1.1 matthew 223: $wday %= 7;
1.2 matthew 224: $Xlabel[$bincount] = $WeekDay[$wday];
1.1 matthew 225: } else {
226: $Xlabel[$bincount] = '';
227: }
228: }
229: $Ydata[$bincount]++;
230: $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]);
231: $AnsData[$bincount] += &successful_submission($row);
232: $cumulative_answers += &successful_submission($row);
1.19 matthew 233: $students{$row->[&Apache::loncoursedata::RT_student_id()]}++;
1.1 matthew 234: }
1.17 matthew 235: #
236: # Pad the data to a full day
1.1 matthew 237: while ($bincount % $bins_per_day != 0) {
238: $bincount++;
239: $Ydata[$bincount]=0;
1.17 matthew 240: $AnsData[$bincount]=0;
1.1 matthew 241: $endtime += $binsize;
1.17 matthew 242: push(@BinEnd,$endtime);
1.1 matthew 243: if ($bincount % (86400/$binsize) == 0) {
1.2 matthew 244: $wday ++;
245: $wday %= 7;
1.1 matthew 246: $Xlabel[$bincount] = $WeekDay[$wday];
247: } else {
248: $Xlabel[$bincount] = '';
249: }
250: }
1.19 matthew 251: my $numstudents = scalar(keys(%students));
1.17 matthew 252: #
253: # Determine a nice maximum value to use
254: foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100,
255: 120,150,200,250,300,350,400,450,500,
256: 600,700,800,900,1000,1100,1200,1500,2000,
257: 2500,3000,4000,5000) {
258: if ($max < $maximum) {
259: $max = $maximum;
260: last;
261: }
262: }
263: #
264: # Build the data table
1.16 matthew 265: $htmltable = '<p>'.
266: '<table rules="groups" frame="border" '.
267: 'summary="Student submission data">'.
268: '<thead>'.
269: '<tr>'.
1.17 matthew 270: '<th valign="bottom">'.&mt('Begin').'</th>'.
1.16 matthew 271: '<th>'.(' 'x3).'</th>'.
1.17 matthew 272: '<th valign="bottom">'.&mt('End').'</th>'.
1.20 matthew 273: '<th valign="bottom">'.&mt('Submissions (plotted)').'</th>'.
1.16 matthew 274: '<th>'.(' 'x3).'</th>'.
1.20 matthew 275: '<th valign="bottom">'.&mt('Correct Submissions (not plotted)').'</th>'.
1.16 matthew 276: '<th>'.(' 'x3).'</th>'.
1.20 matthew 277: '<th valign="bottom">'.&mt('Cumulative Correct of those attempting the problem (not plotted)').'</th>'.
1.19 matthew 278: '<th>'.(' 'x3).'</th>'.
1.20 matthew 279: '<th valign="bottom">'.&mt('Cumulative Percent Correct of those attempting the problem (not plotted)').'</th>'.
280: '<th>'.(' 'x3).'</th>'.
281: '<th valign="bottom">'.&mt('Cumulative Percent Correct of selected students (plotted)').'</th>'.
1.16 matthew 282: '</tr>'.
283: '</thead>'.
284: '<tbody>';
1.17 matthew 285: my @CumulativeCorrect=(0);
1.20 matthew 286: my @corr_as_percent_of_selected;
287: my @corr_as_percent_of_answering;
1.17 matthew 288: for (my $i=0;$i<=$#Ydata;$i++) {
289: $CumulativeCorrect[$i]=$CumulativeCorrect[-1]+$AnsData[$i];
1.20 matthew 290: $corr_as_percent_of_answering[$i] =
291: sprintf('%3.1f',100*$CumulativeCorrect[$i]/$numstudents);
292: $corr_as_percent_of_selected[$i] =
293: sprintf('%3.1f',100*$CumulativeCorrect[$i]/scalar(@$students));
1.16 matthew 294: if ($Ydata[$i] != 0) {
295: next if (! defined($BinEnd[$i]) || $BinEnd[$i] == 0);
296: $htmltable .=
297: '<tr>'.
1.17 matthew 298: '<td align="right"><nobr>'.
1.16 matthew 299: &Apache::lonlocal::locallocaltime($BinEnd[$i]-$binsize).
1.17 matthew 300: '</nobr></td>'.
1.16 matthew 301: '<td> </td>'.
1.17 matthew 302: '<td align="right"><nobr>'.
1.16 matthew 303: &Apache::lonlocal::locallocaltime($BinEnd[$i]).'</td>'.
1.17 matthew 304: '</nobr></td>'.
1.16 matthew 305: '<td align="right">'.$Ydata[$i].(' 'x3).'</td>'.
306: '<td> </td>'.
1.17 matthew 307: '<td align="right">'.$AnsData[$i].(' 'x3).'</td>'.
308: '<td> </td>'.
1.19 matthew 309: '<td align="right">'.$CumulativeCorrect[$i].'</td>'.
310: '<td> </td>'.
1.20 matthew 311: '<td align="right">'.$corr_as_percent_of_answering[$i].'</td>'.
312: '<td> </td>'.
313: '<td align="right">'.$corr_as_percent_of_selected[$i].'</td>'.
1.16 matthew 314: '</tr>'.$/;
315: }
1.6 matthew 316: }
1.16 matthew 317: $htmltable .= '</tbody></table></p>';
1.17 matthew 318: #
319: # Build the plot
320: my $title = '';#'Number of Submissions and Number Correct';
1.1 matthew 321: my $xlabel;
1.2 matthew 322: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start);
323: $xlabel .= $FullWeekDay[$wday].' '.
324: join(' ',($Month[$month],$mday,1900+$year)).' - ';
325: (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime);
326: $xlabel .= $FullWeekDay[$wday].' '.
327: join(' ',($Month[$month],$mday,1900+$year));
1.8 matthew 328: my $width = 50+2*$bincount;
329: if ($width < 250) {
330: $width = 250;
331: }
1.17 matthew 332: #
1.1 matthew 333: $html .= &Apache::loncommon::DrawXYYGraph($title,
334: $xlabel,
1.6 matthew 335: 'Submissions vs Time',
1.1 matthew 336: $plotcolors,
337: \@Xlabel,
1.17 matthew 338: \@Ydata,0,$max,
1.20 matthew 339: \@corr_as_percent_of_selected,0,100,
1.1 matthew 340: (xskip => $bins_per_day,
341: x_ticks => $bins_per_day,
342: x_tick_offset => $bins_per_day,
1.8 matthew 343: width => $width,
1.7 matthew 344: y1_label=>'Number of Submissions per hour',
345: y2_label=>'Percent of Students answering Correctly',
346: 'data.1.label'=>'Submissions per hour',
347: 'data.2.label'=>'Percent correct',
348: )
1.1 matthew 349: );
1.16 matthew 350: $html .= '<br />'.$htmltable;
1.1 matthew 351: return $html;
352: }
353:
354: sub successful_submission {
355: my ($row) = @_;
356: if (ref($row) eq 'ARRAY') {
1.3 matthew 357: return $row->[&Apache::loncoursedata::RT_awarded()];
1.1 matthew 358: }
359: return undef;
360: }
361:
362: sub get_time_from_row {
363: my ($row) = @_;
364: if (ref($row) eq 'ARRAY') {
1.3 matthew 365: return $row->[&Apache::loncoursedata::RT_timestamp()];
1.1 matthew 366: }
367: return undef;
368: }
369:
370: sub get_tries_from_row {
371: my ($row) = @_;
372: if (ref($row) eq 'ARRAY') {
1.3 matthew 373: return $row->[&Apache::loncoursedata::RT_tries()];
1.1 matthew 374: }
375: return undef;
376: }
377:
378: sub Process_Row {
379: my ($row) = @_;
380: my %RowData;
381: my ($student_id,$award,$tries,$time) = @$row;
382: return %RowData;
383: }
384:
385: #########################################################
386: #########################################################
387: ##
388: ## Generic Interface Routines
389: ##
390: #########################################################
391: #########################################################
392: sub CreateInterface {
393: ##
394: ## Environment variable initialization
1.23 albertel 395: if (! exists$env{'form.AnalyzeOver'}) {
396: $env{'form.AnalyzeOver'} = 'Tries';
1.1 matthew 397: }
398: ##
399: ## Build the menu
400: my $Str = '';
1.25 albertel 401: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Submission Time Plots');
1.15 matthew 402: $Str .= '<p>';
1.1 matthew 403: $Str .= '<table cellspacing="5">'."\n";
404: $Str .= '<tr>';
1.16 matthew 405: $Str .= '<th align="center">'.&mt('Sections').'</th>';
1.26 raeburn 406: $Str .= '<th align="center">'.&mt('Groups').'</th>';
1.27 raeburn 407: $Str .= '<th align="center">'.&mt('Access Status').'</th>';
1.1 matthew 408: $Str .= '</tr>'."\n";
409: ##
410: ##
411: $Str .= '<tr><td align="center">'."\n";
1.16 matthew 412: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',4);
1.1 matthew 413: $Str .= '</td>';
414: #
1.26 raeburn 415: $Str .= '<td align="center">'."\n";
416: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',4);
417: $Str .= '</td>';
418: #
1.1 matthew 419: $Str .= '<td align="center">';
1.16 matthew 420: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,4);
1.1 matthew 421: $Str .= '</td>';
1.16 matthew 422: #
1.15 matthew 423: $Str .= '</tr>'."\n";
424: $Str .= '</table>'."\n";
1.1 matthew 425: #
1.29 ! bisitz 426: $Str .= '<p><span class="LC_nobreak">'
! 427: .&mt('Status: [_1]',
! 428: '<input type="text" name="stats_status"'
! 429: .' size="60" value="" readonly="readonly" />')
! 430: .'</span></p>';
! 431: $Str .= '</p>';
1.1 matthew 432: ##
433: return $Str;
434: }
435:
436: 1;
437:
438: __END__
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