Method score

code/chapter7.py:643–646

(self, X, y)

        return Y_pred
    
    def score(self, X, y):
        y_pred = self.predict(X)
        accuracy = np.sum(y == y_pred, axis=0) / len(y)
        return accuracy


class GradientBoostingRegressor(GradientBoostingDecisionTree):