sklearn_wrapper.py 文件源码

def _check_X_y(self, X, y=None):
        """Check type of X and y. 

        It updates the format of X and y (such as dtype, convert sparse matrix 
        to matrix format etc) if necessary. 

        `X` and `y` might be array (numpy.ndarray or sparse matrix) for sklearn
        interface, but `X` might be chainer dataset.

        :param X: chainer dataset type or array
        :param y: None or array
        :return: 
        """
        return X, y