/**
* Two phase aggregation if only expertise is enabled
*/
private function crossWithHFWAoperator()
{
$aggregation = array();
//Temporal array of data
$criterionAssessment = array();
//what several experts say about a single criterion. Temporal array
for ($i = 0; $i < $this->N; $i++) {
for ($j = 0; $j < $this->M; $j++) {
//if ($this->debug)
echo $this->data[$i * $this->P]["ref"] . " - C" . $j;
//Aggregate hesitants given experts weights for each criterion weight
for ($k = 0; $k < $this->P; $k++) {
$c = $i * $this->P + $k;
//index to get assessments - system_message("#".$c);
$inf = "L" . ($j + 1);
$sup = "U" . ($j + 1);
//if ($this->debug) //echo " - W^E_C=" . $this->superE[$k][$j];
echo " [" . $this->data[$c][$inf] . "," . $this->data[$c][$sup] . "], ";
$criterionAssessment[$k] = array("inf" => $this->data[$c][$inf], "sup" => $this->data[$c][$sup]);
}
$aggregation[$i][$j] = toEnvelope(aggregationHLWA($criterionAssessment, $this->E, $this->G));
$this->cSi[$i][$j] = $aggregation[$i][$j]['inf'];
$this->cSj[$i][$j] = $aggregation[$i][$j]['sup'];
if ($this->debug) {
echo " agg1=> [" . $this->cSi[$i][$j] . ", " . $this->cSj[$i][$j] . "]<br>";
}
}
}
}
/**
* Method of the classs MCDM that decides which operator should be used
* Input: data array of envelopes
* Output: check boolean to decide if output is an hesitant resulting of aggregation or its envelope
//To Do: aggregationHLWA with array of hesitants as input
//To Do: aggregationMinMax with input hesitants and weights
* Note: weight is not a param ... all methods use it for expert aggregation
*/
public function aggregate($assessments, $toHesitant)
{
//if pesos expertos solo aggregationHLWA??
//chequear cual es el array de pesos a usar.
$aggOperator = elgg_get_plugin_setting('aggOperator', 'hflts');
if ($aggOperator == 0) {
//system_message(elgg_echo('hflts:aggOperator:minmax'));//does not consider weights
if ($toHesitant) {
$result = aggregationMinMaxToHesitant($assessments);
} else {
$result = aggregationMinMaxToEnvelope($assessments);
}
} else {
//system_message(elgg_echo('hflts:aggOperator:HLWA'));//admits weights
$result = aggregationHLWA($assessments, $this->E, $this->G);
if (!$toHesitant) {
$result = toEnvelope($result);
}
}
return $result;
}
