php-ai / php-ml

     *

     * @return array

     */

    public function transform(array $sample)

    {

        if (!$this->fit) {

            throw new \Exception("KernelPCA has not been fitted with respect to original dataset, please run KernelPCA::fit() first");

        }

        if (is_array($sample[0])) {

            throw new \Exception("KernelPCA::transform() accepts only one-dimensional arrays");

        }

        $pairs = $this->getDistancePairs($sample);

        return $this->projectSample($pairs);

    }

}

     *

     * @return array

     */

    public function transform(array $sample)

    {

        if (!$this->fit) {

            throw new \Exception("LDA has not been fitted with respect to original dataset, please run LDA::fit() first");

        }

        if (! is_array($sample[0])) {

            $sample = [$sample];

        }

        return $this->reduce($sample);

    }

}