| public sumOfSquaresResidual ( ) : number | ||
| Результат | number | |
public function sumOfSquaresResidual()
{
$Ŷ = $this->reg_Yhat;
return array_sum(array_map(function ($yᵢ, $ŷᵢ) {
return ($yᵢ - $ŷᵢ) ** 2;
}, $this->reg_ys, $Ŷ));
}