evaluation_tools.py 文件源码

def jaccard_index(reference_set,experimental_set):
    VP = (vq(experimental_set,reference_set)[1]==0).sum()
    FP = (vq(experimental_set,reference_set)[1]>0).sum()
    FN = (vq(reference_set,experimental_set)[1]>0).sum()
    return VP/float(VP+FP+FN)