algorithms.py 文件源码

def jaccard(inclusion):
    """Calculate jaccard distances for a community."""
    logger.info("calculating jaccard distance for {}x{} input matrix".format(
                *inclusion.shape))
    jaccard = np.apply_along_axis(
        lambda a: (a & inclusion).sum(1), 1, inclusion)
    jaccard = jaccard / np.apply_along_axis(
        lambda a: (a | inclusion).sum(1), 1, inclusion)

    return 1 - jaccard