function _run() {
$id = Request::post('id');
if ($id) {
$feature = Features::getInstance()->getByIdLoaded($id);
list($success, $description) = $feature->_run();
$this->setWriteParameter('features_module', 'run_result', implode("\n", $description));
}
}
function setCollectionClass() {
$this->Collection = Features::getInstance();
}
public function save_order()
{
$features_array = $_POST['features_id'];
$order_array = $_POST['order'];
$features = new Features();
foreach ($features_array as $key => $value) {
$features_id = $value;
$features_order = $order_array[$key];
$features->update('Features', array('sequence' => $features_order), 'id=' . $features_id);
}
Flash::set('success', __('This features sequence has been saved.'));
redirect(get_url('features'));
}
function _update($data) {
$tableName = Features::getInstance()->tableName;
$this->dropCache();
return parent::_update($data, $tableName);
}
/**
* Uses the chi-squared feature selection algorithm to rank features by
* informativeness, and return a map from old feature indices to new ones.
*
* @param object $features full feature set
* @return array associative array mapping a subset of the original feature
* indices to new indices
*/
function select(Features $features)
{
$n = $features->numFeatures();
$selected = new SplMinHeap();
$allowed = isset($this->max) ? min($this->max, $n) : $n;
$labels = array(-1, 1);
/*
Start with 1, since 0 is dedicated to the constant intercept term;
<= $n because n is the last feature.
*/
for ($j = 1; $j <= $n; $j++) {
$max_chi2 = 0.0;
foreach ($labels as $label) {
/*
t = term present
l = document has label
n = negation
*/
$stats = $features->varStats($j, $label);
list($t_l, $t_nl, $nt_l, $nt_nl) = $stats;
$num = $t_l * $nt_nl - $t_nl * $nt_l;
$den = ($t_l + $t_nl) * ($nt_l + $nt_nl);
$chi2 = $den != 0 ? $num * $num / $den : INF;
if ($chi2 > $max_chi2) {
$max_chi2 = $chi2;
}
}
/*
Keep track of top features in a heap, as we compute
informativeness.
*/
if ($allowed > 0) {
$selected->insert(array($max_chi2, $j));
$allowed -= 1;
} else {
list($other_chi2, $_) = $selected->top();
if ($max_chi2 > $other_chi2) {
$selected->extract();
$selected->insert(array($max_chi2, $j));
}
}
}
return $this->buildMap($selected);
}
function checkTest()
{
global $current_user;
$this->data['success'] = 0;
if (!$current_user->authorized) {
$this->error('Auth');
return;
}
if ($current_user->getRole() < User::ROLE_SITE_ADMIN) {
$this->error('Must be admin');
return;
}
$id = isset($_POST['id']) ? (int) $_POST['id'] : false;
if (!$id) {
$this->error('Illegal id');
return;
}
$feature = Features::getInstance()->getByIdLoaded($id);
/* @var $feature Feature */
$this->data = array('id' => $id, 'status_description' => $feature->getStatusDescription(), 'last_run' => date('Y/m/d H:i', $feature->getLastRun()), 'last_message' => $feature->getLastMessage(), 'success' => 1);
}
public static function getInstance() {
if (!self::$features_instance) {
self::$features_instance = new Features();
}
return self::$features_instance;
}
foreach ($rsvpData as $singleRsvp) {
$tempRsvp = new RSVP();
$tempRsvp->createRSVPFromJson($singleRsvp);
$tempRsvp->addRsvp();
}
break;
default:
echo "<br>Unexpected action on Post: {$action}<br>(index)";
break;
}
}
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
switch ($action) {
case "api/features":
include "src/serverModels/database/features.php";
$tempFeatures = new Features();
echo json_encode($tempFeatures->getFeatures());
break;
default:
echo "<br>Unexpected action on Post: {$action}<br>(index)";
break;
}
}
} else {
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
include "src/views/fileInjections/headerInjection.html";
include "src/views/fileInjections/sidebarNavigation.html";
switch ($action) {
case "home":
include "src/views/home.html";
break;
