Phpml\Classification\NaiveBayes::predictSample()

Complexity

Conditions	4
Paths	4

Size

Total Lines	17
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    protected function predictSample(array $sample)
    {
        $predictions = [];
        foreach ($this->labels as $index => $label) {
            $predictions[$label] = 0;
            foreach ($sample as $token => $count) {
                if (array_key_exists($token, $this->samples[$index])) {
                    $predictions[$label] += $count * $this->samples[$index][$token];
                }
            }
        }

        arsort($predictions, SORT_NUMERIC);
        reset($predictions);

        return key($predictions);
    }
}