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MDL-32322 quiz reports: Appease the great god codechecker.

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This commit is contained in:
Tim Hunt
2012-04-20 10:07:12 +01:00
parent 90fbad644b
commit 768a758854
16 changed files with 89 additions and 83 deletions
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mod/quiz/report/attemptsreport.php
+5 -4
View File
@@ -118,15 +118,16 @@ abstract class quiz_attempt_report extends quiz_default_report {
*/
protected function validate_common_options(&$attemptsmode, &$pagesize, $course, $currentgroup) {
if ($currentgroup) {
//default for when a group is selected
// Default for when a group is selected.
if ($attemptsmode === null || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
$attemptsmode = QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH;
}
} else if (!$currentgroup && $course->id == SITEID) {
//force report on front page to show all, unless a group is selected.
// Force report on front page to show all, unless a group is selected.
$attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
} else if ($attemptsmode === null) {
//default
$attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
}
@@ -158,7 +159,7 @@ abstract class quiz_attempt_report extends quiz_default_report {
}
// When downloading, some extra fields are always displayed (because
// there's no space constraint) so do not include in extra-field list
// there's no space constraint) so do not include in extra-field list.
$extrafields = get_extra_user_fields($this->context,
$table->is_downloading() ? array('institution', 'department', 'email') : array());
foreach ($extrafields as $field) {
mod/quiz/report/attemptsreport_table.php
+8 -7
View File
@@ -306,9 +306,9 @@ abstract class quiz_attempt_report_table extends table_sql {
// subtracting a larger unsigned int from a smaller one gave an error.
// Therefore, we avoid doing that. timefinish can be non-zero and less
// than timestart when you have two load-balanced servers with very
// badly synchronised clocks, and a student does a really quick attempt.';
// badly synchronised clocks, and a student does a really quick attempt.
// This part is the same for all cases - join users and quiz_attempts tables
// This part is the same for all cases. Join the users and quiz_attempts tables.
$from = "\n{user} u";
$from .= "\nLEFT JOIN {quiz_attempts} quiza ON
quiza.userid = u.id AND quiza.quiz = :quizid";
@@ -319,25 +319,25 @@ abstract class quiz_attempt_report_table extends table_sql {
}
switch ($this->attemptsmode) {
case QUIZ_REPORT_ATTEMPTS_ALL:
// Show all attempts, including students who are no longer in the course
// Show all attempts, including students who are no longer in the course.
$where = 'quiza.id IS NOT NULL AND quiza.preview = 0';
break;
case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH:
// Show only students with attempts
// Show only students with attempts.
list($usql, $uparams) = $DB->get_in_or_equal(
$reportstudents, SQL_PARAMS_NAMED, 'u');
$params += $uparams;
$where = "u.id $usql AND quiza.preview = 0 AND quiza.id IS NOT NULL";
break;
case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
// Show only students without attempts
// Show only students without attempts.
list($usql, $uparams) = $DB->get_in_or_equal(
$reportstudents, SQL_PARAMS_NAMED, 'u');
$params += $uparams;
$where = "u.id $usql AND quiza.id IS NULL";
break;
case QUIZ_REPORT_ATTEMPTS_ALL_STUDENTS:
// Show all students with or without attempts
// Show all students with or without attempts.
list($usql, $uparams) = $DB->get_in_or_equal(
$reportstudents, SQL_PARAMS_NAMED, 'u');
$params += $uparams;
@@ -464,7 +464,8 @@ abstract class quiz_attempt_report_table extends table_sql {
echo '  ';
$this->submit_buttons();
echo '</div>';
// Close form
// Close the form.
echo '</div>';
echo '</form></div>';
}
mod/quiz/report/default.php
+1 -1
View File
@@ -63,7 +63,7 @@ abstract class quiz_default_report {
public function print_header_and_tabs($cm, $course, $quiz, $reportmode = 'overview') {
global $PAGE, $OUTPUT;
// Print the page header
// Print the page header.
$PAGE->set_title(format_string($quiz->name));
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
mod/quiz/report/grading/report.php
+2 -2
View File
@@ -82,7 +82,7 @@ class quiz_grading_report extends quiz_default_report {
$this->viewoptions['order'] = $order;
}
// Check permissions
// Check permissions.
$this->context = context_module::instance($cm->id);
require_capability('mod/quiz:grade', $this->context);
$shownames = has_capability('quiz/grading:viewstudentnames', $this->context);
@@ -269,7 +269,7 @@ class quiz_grading_report extends quiz_default_report {
global $OUTPUT;
if ($groupmode = groups_get_activity_groupmode($this->cm)) {
// Groups are being used
// Groups is being used.
groups_print_activity_menu($this->cm, $this->list_questions_url());
}
mod/quiz/report/overview/db/upgrade.php
+2 -3
View File
@@ -35,9 +35,8 @@ function xmldb_quiz_overview_upgrade($oldversion) {
$dbman = $DB->get_manager();
// Moodle v2.2.0 release upgrade line
// Put any upgrade step following this
// Moodle v2.2.0 release upgrade line.
// Put any upgrade step following this.
return true;
}
mod/quiz/report/overview/overviewgraph.php
+8 -8
View File
@@ -40,7 +40,7 @@ $modcontext = context_module::instance($cm->id);
require_capability('mod/quiz:viewreports', $modcontext);
if ($groupid && $groupmode = groups_get_activity_groupmode($cm)) {
// Groups are being used
// Groups are being used.
$groups = groups_get_activity_allowed_groups($cm);
if (!array_key_exists($groupid, $groups)) {
print_error('errorinvalidgroup', 'group', null, $groupid);
@@ -65,16 +65,16 @@ $line->parameter['y_label_angle'] = 90;
$line->parameter['x_label_angle'] = 0;
$line->parameter['x_axis_angle'] = 60;
//following two lines seem to silence notice warnings from graphlib.php
// The following two lines seem to silence notice warnings from graphlib.php.
$line->y_tick_labels = null;
$line->offset_relation = null;
// will make size > 1 to get overlap effect when showing groups
// We will make size > 1 to get an overlap effect when showing groups.
$line->parameter['bar_size'] = 1;
// don't forget to increase spacing so that graph doesn't become one big block of colour
// Don't forget to increase spacing so that graph doesn't become one big block of colour.
$line->parameter['bar_spacing'] = 10;
//pick a sensible number of bands depending on quiz maximum grade.
// Pick a sensible number of bands depending on quiz maximum grade.
$bands = $quiz->grade;
while ($bands > 20 || $bands <= 10) {
if ($bands > 50) {
@@ -109,11 +109,11 @@ $line->y_data['allusers'] = quiz_report_grade_bands($bandwidth, $bands, $quizid,
$line->y_order = array('allusers');
$ymax = max($line->y_data['allusers']);
$line->parameter['y_min_left'] = 0; // start at 0
$line->parameter['y_min_left'] = 0;
$line->parameter['y_max_left'] = $ymax;
$line->parameter['y_decimal_left'] = 0; // 2 decimal places for y axis.
$line->parameter['y_decimal_left'] = 0;
//pick a sensible number of gridlines depending on max value on graph.
// Pick a sensible number of gridlines depending on max value on graph.
$gridlines = $ymax;
while ($gridlines >= 10) {
if ($gridlines >= 50) {
mod/quiz/report/overview/report.php
+13 -12
View File
@@ -169,18 +169,19 @@ class quiz_overview_report extends quiz_attempt_report {
// Start output.
if (!$table->is_downloading()) {
// Only print headers if not asked to download data
// Only print headers if not asked to download data.
$this->print_header_and_tabs($cm, $course, $quiz, 'overview');
}
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used
if ($groupmode = groups_get_activity_groupmode($cm)) {
// Groups are being used, output the group selector if we are not downloading.
if (!$table->is_downloading()) {
groups_print_activity_menu($cm, $reporturl->out(true, $displayoptions));
}
}
// Print information on the number of existing attempts
if (!$table->is_downloading()) { //do not print notices when downloading
// Print information on the number of existing attempts.
if (!$table->is_downloading()) { // Do not print notices when downloading.
if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
}
@@ -196,13 +197,13 @@ class quiz_overview_report extends quiz_attempt_report {
echo $OUTPUT->notification(get_string('nostudentsingroup'));
}
// Print display options
// Print display options.
$mform->display();
}
$hasstudents = $students && (!$currentgroup || $groupstudents);
if ($hasquestions && ($hasstudents || ($attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL))) {
// Construct the SQL
// Construct the SQL.
$fields = $DB->sql_concat('u.id', "'#'", 'COALESCE(quiza.attempt, 0)') .
' AS uniqueid, ';
if ($qmsubselect) {
@@ -233,7 +234,7 @@ class quiz_overview_report extends quiz_attempt_report {
$table->set_sql($fields, $from, $where, $params);
if (!$table->is_downloading()) {
// Regrade buttons
// Output the regrade buttons.
if (has_capability('mod/quiz:regrade', $this->context)) {
$regradesneeded = $this->count_question_attempts_needing_regrade(
$quiz, $groupstudents);
@@ -273,14 +274,14 @@ class quiz_overview_report extends quiz_attempt_report {
echo '</form>';
echo '</div>';
}
// Print information on the grading method
// Print information on the grading method.
if ($strattempthighlight = quiz_report_highlighting_grading_method(
$quiz, $qmsubselect, $qmfilter)) {
echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
}
}
// Define table columns
// Define table columns.
$columns = array();
$headers = array();
@@ -295,7 +296,7 @@ class quiz_overview_report extends quiz_attempt_report {
if ($detailedmarks) {
foreach ($questions as $slot => $question) {
// Ignore questions of zero length
// Ignore questions of zero length.
$columns[] = 'qsgrade' . $slot;
$header = get_string('qbrief', 'quiz', $question->number);
if (!$table->is_downloading()) {
@@ -466,7 +467,7 @@ class quiz_overview_report extends quiz_attempt_report {
$where = "quiza.quiz = ? AND quiza.preview = 0 AND qqr.regraded = 0";
$params = array($quiz->id);
// Fetch all attempts that need regrading
// Fetch all attempts that need regrading.
if ($groupstudents) {
list($usql, $uparams) = $DB->get_in_or_equal($groupstudents);
$where .= " AND quiza.userid $usql";
@@ -551,7 +552,7 @@ class quiz_overview_report extends quiz_attempt_report {
protected function clear_regrade_table($quiz, $groupstudents) {
global $DB;
// Fetch all attempts that need regrading
// Fetch all attempts that need regrading.
$where = '';
$params = array();
if ($groupstudents) {
mod/quiz/report/reportlib.php
+8 -7
View File
@@ -141,7 +141,8 @@ WHERE
* empty string if all attempts contribute to final grade.
*/
function quiz_report_qm_filter_select($quiz, $quizattemptsalias = 'quiza') {
if ($quiz->attempts == 1) { // Only one attempt allowed on this quiz
if ($quiz->attempts == 1) {
// This quiz only allows one attempt.
return '';
}
@@ -217,13 +218,13 @@ ORDER BY
$data = $DB->get_records_sql_menu($sql, $params);
//need to create array elements with values 0 at indexes where there is no element
// We need to create array elements with values 0 at indexes where there is no element.
$data = $data + array_fill(0, $bands+1, 0);
ksort($data);
//place the maximum (prefect grade) into the last band i.e. make last
//band for example 9 <= g <=10 (where 10 is the perfect grade) rather than
//just 9 <= g <10.
// Place the maximum (prefect grade) into the last band i.e. make last
// band for example 9 <= g <=10 (where 10 is the perfect grade) rather than
// just 9 <= g <10.
$data[$bands - 1] += $data[$bands];
unset($data[$bands]);
@@ -326,7 +327,7 @@ function quiz_report_list($context) {
$reports = $DB->get_records('quiz_reports', null, 'displayorder DESC', 'name, capability');
$reportdirs = get_plugin_list('quiz');
// Order the reports tab in descending order of displayorder
// Order the reports tab in descending order of displayorder.
$reportcaps = array();
foreach ($reports as $key => $report) {
if (array_key_exists($report->name, $reportdirs)) {
@@ -334,7 +335,7 @@ function quiz_report_list($context) {
}
}
// Add any other reports, which are on disc but not in the DB, on the end
// Add any other reports, which are on disc but not in the DB, on the end.
foreach ($reportdirs as $reportname => $notused) {
if (!isset($reportcaps[$reportname])) {
$reportcaps[$reportname] = null;
mod/quiz/report/responses/report.php
+12 -9
View File
@@ -150,18 +150,20 @@ class quiz_responses_report extends quiz_attempt_report {
}
if (!$table->is_downloading()) {
// Only print headers if not asked to download data
// Only print headers if not asked to download data.
$this->print_header_and_tabs($cm, $course, $quiz, 'responses');
}
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used
if ($groupmode = groups_get_activity_groupmode($cm)) {
// Groups are being used, so output the group selector if we are not downloading.
if (!$table->is_downloading()) {
groups_print_activity_menu($cm, $reporturl->out(true, $displayoptions));
}
}
// Print information on the number of existing attempts
if (!$table->is_downloading()) { //do not print notices when downloading
// Print information on the number of existing attempts.
if (!$table->is_downloading()) {
// Do not print notices when downloading.
if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
}
@@ -177,14 +179,15 @@ class quiz_responses_report extends quiz_attempt_report {
echo $OUTPUT->notification(get_string('nostudentsingroup'));
}
// Print display options
// Print the display options.
$mform->display();
}
$hasstudents = $students && (!$currentgroup || $groupstudents);
if ($hasquestions && ($hasstudents || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL)) {
// Print information on the grading method and whether we are displaying
if (!$table->is_downloading()) { //do not print notices when downloading
// Print information on the grading method and whether we are displaying.
if (!$table->is_downloading()) {
// Do not print notices when downloading.
if ($strattempthighlight = quiz_report_highlighting_grading_method(
$quiz, $qmsubselect, $qmfilter)) {
echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
@@ -197,7 +200,7 @@ class quiz_responses_report extends quiz_attempt_report {
$table->set_sql($fields, $from, $where, $params);
// Define table columns
// Define table columns.
$columns = array();
$headers = array();
@@ -233,7 +236,7 @@ class quiz_responses_report extends quiz_attempt_report {
$table->define_headers($headers);
$table->sortable(true, 'uniqueid');
// Set up the table
// Set up the table.
$table->define_baseurl($reporturl->out(true, $displayoptions));
$this->configure_user_columns($table);
mod/quiz/report/simpletest/testreportlib.php
+1 -1
View File
@@ -27,7 +27,7 @@ defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php'); // Include the code to test
require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
/**
mod/quiz/report/statistics/db/upgrade.php
+2 -3
View File
@@ -34,9 +34,8 @@ function xmldb_quiz_statistics_upgrade($oldversion) {
$dbman = $DB->get_manager();
// Moodle v2.2.0 release upgrade line
// Put any upgrade step following this
// Moodle v2.2.0 release upgrade line.
// Put any upgrade step following this.
return true;
}
mod/quiz/report/statistics/qstats.php
+3 -3
View File
@@ -202,7 +202,7 @@ class quiz_statistics_question_stats {
// This cannot be a foreach loop because we need to have both
// $question and $nextquestion available, but apart from that it is
// foreach ($this->questions as $qid => $question) {
// foreach ($this->questions as $qid => $question).
reset($this->questions);
while (list($slot, $question) = each($this->questions)) {
$nextquestion = current($this->questions);
@@ -219,7 +219,7 @@ class quiz_statistics_question_stats {
$nextrandomselectorstring = $nextquestion->category . '/' .
$nextquestion->questiontext;
if ($randomselectorstring == $nextrandomselectorstring) {
continue; // Next loop iteration
continue; // Next loop iteration.
}
}
if (isset($this->randomselectors[$randomselectorstring])) {
@@ -229,7 +229,7 @@ class quiz_statistics_question_stats {
}
}
// Go through the records one more time
// Go through the records one more time.
foreach ($this->lateststeps as $step) {
$this->secondary_steps_walker($step,
$this->questions[$step->slot]->_stats);
mod/quiz/report/statistics/report.php
+16 -16
View File
@@ -42,7 +42,7 @@ require_once($CFG->dirroot . '/mod/quiz/report/statistics/responseanalysis.php')
*/
class quiz_statistics_report extends quiz_default_report {
/** @var integer Time after which statistics are automatically recomputed. */
const TIME_TO_CACHE_STATS = 900; // 15 minutes
const TIME_TO_CACHE_STATS = 900; // 15 minutes.
/** @var object instance of table class used for main questions stats table. */
protected $table;
@@ -83,7 +83,7 @@ class quiz_statistics_report extends quiz_default_report {
$useallattempts = get_user_preferences('quiz_report_statistics_useallattempts', 0);
}
// Find out current groups mode
// Find out current groups mode.
$currentgroup = $this->get_current_group($cm, $course, $this->context);
$nostudentsingroup = false; // True if a group is selected and there is no one in it.
if (empty($currentgroup)) {
@@ -95,7 +95,7 @@ class quiz_statistics_report extends quiz_default_report {
$nostudentsingroup = true;
} else {
// All users who can attempt quizzes and who are in the currently selected group
// All users who can attempt quizzes and who are in the currently selected group.
$groupstudents = get_users_by_capability($this->context,
array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'),
'', '', '', '', $currentgroup, '', false);
@@ -505,7 +505,7 @@ class quiz_statistics_report extends quiz_default_report {
$formattedvalue = quiz_format_grade($quiz, $value) . '%';
break;
case 'number_format':
// + 2 decimal places, since not a percentage,
// 2 extra decimal places, since not a percentage,
// and we want the same number of sig figs.
$formattedvalue = format_float($value, $quiz->decimalpoints + 2);
break;
@@ -638,7 +638,7 @@ class quiz_statistics_report extends quiz_default_report {
// Calculating MEAN of marks for all attempts by students
// http://docs.moodle.org/dev/Quiz_item_analysis_calculations_in_practise
// #Calculating_MEAN_of_grades_for_all_attempts_by_students
// #Calculating_MEAN_of_grades_for_all_attempts_by_students.
if ($nostudentsingroup) {
return $this->get_emtpy_stats($questions);
}
@@ -704,9 +704,9 @@ class quiz_statistics_report extends quiz_default_report {
list($fromqa, $whereqa, $qaparams) = quiz_statistics_attempts_sql(
$quizid, $currentgroup, $groupstudents, $useallattempts);
// Median
// Median ...
if ($s % 2 == 0) {
//even number of attempts
// An even number of attempts.
$limitoffset = $s/2 - 1;
$limit = 2;
} else {
@@ -722,8 +722,8 @@ class quiz_statistics_report extends quiz_default_report {
$quizstats->median = array_sum($medianmarks) / count($medianmarks);
if ($s > 1) {
//fetch sum of squared, cubed and power 4d
//differences between marks and mean mark
// Fetch the sum of squared, cubed and power 4d
// differences between marks and mean mark.
$mean = $usingattempts->total / $s;
$sql = "SELECT
SUM(POWER((quiza.sumgrades - $mean), 2)) AS power2,
@@ -735,16 +735,16 @@ class quiz_statistics_report extends quiz_default_report {
$powers = $DB->get_record_sql($sql, $params, MUST_EXIST);
// Standard_Deviation
// Standard_Deviation:
// see http://docs.moodle.org/dev/Quiz_item_analysis_calculations_in_practise
// #Standard_Deviation
// #Standard_Deviation.
$quizstats->standarddeviation = sqrt($powers->power2 / ($s - 1));
// Skewness
// Skewness.
if ($s > 2) {
// see http://docs.moodle.org/dev/
// Quiz_item_analysis_calculations_in_practise#Skewness_and_Kurtosis
// See http://docs.moodle.org/dev/
// Quiz_item_analysis_calculations_in_practise#Skewness_and_Kurtosis.
$m2= $powers->power2 / $s;
$m3= $powers->power3 / $s;
$m4= $powers->power4 / $s;
@@ -756,7 +756,7 @@ class quiz_statistics_report extends quiz_default_report {
}
}
// Kurtosis
// Kurtosis.
if ($s > 3) {
$k4= $s*$s*((($s+1)*$m4)-(3*($s-1)*$m2*$m2))/(($s-1)*($s-2)*($s-3));
if ($k2) {
@@ -770,7 +770,7 @@ class quiz_statistics_report extends quiz_default_report {
$qstats->compute_statistics();
if ($s > 1) {
$p = count($qstats->questions); // No of positions
$p = count($qstats->questions); // Number of positions.
if ($p > 1 && isset($k2)) {
$quizstats->cic = (100 * $p / ($p -1)) *
(1 - ($qstats->get_sum_of_mark_variance()) / $k2);
mod/quiz/report/statistics/simpletest/test_qstats.php
+5 -4
View File
@@ -63,18 +63,18 @@ class quiz_statistics_question_stats_test extends UnitTestCase {
public function test_qstats() {
global $CFG;
// Data is taken from randomly generated attempts data generated by
// contrib/tools/generators/qagenerator/
// contrib/tools/generators/qagenerator/.
$steps = $this->get_records_from_csv($CFG->dirroot .
'/mod/quiz/report/statistics/simpletest/mdl_question_states.csv');
// Data is taken from questions mostly generated by
// contrib/tools/generators/generator.php
// contrib/tools/generators/generator.php.
$questions = $this->get_records_from_csv($CFG->dirroot .
'/mod/quiz/report/statistics/simpletest/mdl_question.csv');
$this->qstats = new testable_quiz_statistics_question_stats($questions, 22, 10045.45455);
$this->qstats->set_step_data($steps);
$this->qstats->compute_statistics();
// Values expected are taken from contrib/tools/quiz_tools/stats.xls
// Values expected are taken from contrib/tools/quiz_tools/stats.xls.
$facility = array(0, 0, 0, 0, null, null, null, 41.19318182, 81.36363636,
71.36363636, 65.45454545, 65.90909091, 36.36363636, 59.09090909, 50,
59.09090909, 63.63636364, 45.45454545, 27.27272727, 50);
@@ -135,7 +135,8 @@ class quiz_statistics_question_stats_test extends UnitTestCase {
public function get_records_from_csv($filename) {
$filecontents = file($filename, FILE_IGNORE_NEW_LINES);
$records = array();
$keys = $this->get_fields_from_csv(array_shift($filecontents));//first line is field names
// Skip the first line containing field names.
$keys = $this->get_fields_from_csv(array_shift($filecontents));
while (null !== ($line = array_shift($filecontents))) {
$data = $this->get_fields_from_csv($line);
$arraykey = reset($data);
mod/quiz/report/statistics/statistics_question_table.php
+1 -1
View File
@@ -68,7 +68,7 @@ class quiz_statistics_question_table extends flexible_table {
$this->collapsible(false);
$this->set_attribute('class', 'generaltable generalbox boxaligncenter');
// Define table columns
// Define the table columns.
$columns = array();
$headers = array();
mod/quiz/report/statistics/statistics_table.php
+2 -2
View File
@@ -62,7 +62,7 @@ class quiz_statistics_table extends flexible_table {
$this->quiz = $quiz;
$this->cmid = $cmid;
// Define table columns
// Define the table columns.
$columns = array();
$headers = array();
@@ -121,7 +121,7 @@ class quiz_statistics_table extends flexible_table {
$this->column_class('discrimination_index', 'numcol');
$this->column_class('discriminative_efficiency', 'numcol');
// Set up the table
// Set up the table.
$this->define_baseurl($reporturl->out());
$this->collapsible(true);