public function score(Learner $estimator, Labeled $dataset) : float
    {
        return $this->validator->test($estimator, $dataset, $this->metric);
    }
public function score(Learner $estimator, Labeled $dataset) : float
    {
        return $this->validator->test($estimator, $dataset, $this->metric);
    }
public function score ( Learner $ estimator , Labeled $ dataset ) : float { return $ this -> validator -> test ( $ estimator , $ dataset , $ this -> metric ) ; }
Cross validate a learner with a given dataset and return the score.

@param \Rubix\ML\Learner $estimator
@param \Rubix\ML\Datasets\Labeled $dataset
@return float
Cross validate a learner with a given dataset and return the score .