utils.py 文件源码

def check_consistent_length(*arrays):
    """Check that all arrays have consistent first dimensions.
    Checks whether all objects in arrays have the same shape or length.
    Parameters
    ----------
    *arrays : list or tuple of input objects.
        Objects that will be checked for consistent length.
    """

    uniques = np.unique([_num_samples(X) for X in arrays if X is not None])
    if len(uniques) > 1:
        raise ValueError("Found arrays with inconsistent numbers of samples: "
                         "%s" % str(uniques))