Method grad

numpy_ml/trees/losses.py:60–62

(self, y, y_pred)

        return ClassProbEstimator()

    def grad(self, y, y_pred):
        eps = np.finfo(float).eps
        return -y * 1 / (y_pred + eps)

    def line_search(self, y, y_pred, h_pred):
        raise NotImplementedError