public static function prognozuotiKieki($paraiskuKiekiai) { $arr1 = array(); $arr2 = array(); foreach ($paraiskuKiekiai as $metai => $kiekis) { $arr1[] = $metai; $arr2[] = $kiekis; } $kof = Mathematics::correlationCof($arr1, $arr2); $prognoze = round(Mathematics::skirtumoSumosVidurkis($arr2) * $arr2[sizeof($arr2) - 1], 0); return $prognoze; }
<?php session_start(); require_once "../Includes.php"; $ar1 = array(1, 10, 100, 1000); $ar2 = array(2008, 2009, 2010, 2011); echo "Vidurkis1: " . Mathematics::average($ar1) . "<br>"; echo "Vidurkis2: " . Mathematics::average($ar2) . "<br>"; echo "Suma: " . Mathematics::sum($ar2, 2) . "<br>"; echo "Skirtumu suma: " . Mathematics::skirtumuSuma($ar1) . "<br>"; echo "Koreliacijos kofas: " . Mathematics::correlationCof($ar1, $ar2) . "<br>"; echo Mathematics::correlationCof($ar1, $ar2) * Mathematics::skirtumoSumosVidurkis($ar1) + 1000;