Phpml\Regression\LeastSquares::getSamplesMatrix PHP Method

getSamplesMatrix() private method

Add one dimension for intercept calculation.
private getSamplesMatrix ( ) : Matrix
return Phpml\Math\Matrix
    private function getSamplesMatrix()
    {
        $samples = [];
        foreach ($this->samples as $sample) {
            array_unshift($sample, 1);
            $samples[] = $sample;
        }
        return new Matrix($samples);
    }