correlation_analysis.py 文件源码

def mds_variance_explained(corrmat, mds_coords):
    """Determine how much variance is explained by projection onto MDS coords."""
    orig_dist = (1 - corrmat)[np.triu_indices_from(corrmat, 1)]
    mds_dist = distance.pdist(mds_coords)
    r, _ = stats.pearsonr(orig_dist, mds_dist)
    return r ** 2