| public isSorrowful ( string $strength = self::STRENGTH_LOW ) : boolean | ||
| $strength | string | [optional] Value should be one of "low", "medium" or "high". Recommended usage is via `Face::STRENGTH_*` constants. Higher strength will result in fewer `true` results, but fewer false positives. **Defaults to** `"low"`. |
| return | boolean | |
public function isSorrowful($strength = self::STRENGTH_LOW)
{
return $this->likelihood($this->info['sorrowLikelihood'], $strength);
}