Proyectos de Subversion Moodle

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1 efrain 1 
<?php
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declare(strict_types=1);
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namespace Phpml\Dataset;
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use Phpml\Exception\InvalidArgumentException;
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class ArrayDataset implements Dataset
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{
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    /**
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     * @var array
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     */
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    protected $samples = [];
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    /**
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     * @var array
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     */
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    protected $targets = [];
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    /**
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     * @throws InvalidArgumentException
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     */
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    public function __construct(array $samples, array $targets)
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    {
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        if (count($samples) !== count($targets)) {
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            throw new InvalidArgumentException('Size of given arrays does not match');
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        }
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        $this->samples = $samples;
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        $this->targets = $targets;
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    }
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    public function getSamples(): array
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    {
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        return $this->samples;
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    }
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    public function getTargets(): array
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    {
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        return $this->targets;
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    }
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    /**
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     * @param int[] $columns
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     */
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    public function removeColumns(array $columns): void
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    {
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        foreach ($this->samples as &$sample) {
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            $this->removeColumnsFromSample($sample, $columns);
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        }
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    }
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    private function removeColumnsFromSample(array &$sample, array $columns): void
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    {
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        foreach ($columns as $index) {
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            unset($sample[$index]);
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        }
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        $sample = array_values($sample);
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    }
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}