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calcSimlaryCosDist #2

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CoderXingZhang opened this issue Jan 4, 2018 · 0 comments

CoderXingZhang commented Jan 4, 2018 •

edited

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for key1 in user1:
    for key2 in user2:
        if key1[0] == key2[0]:  
            sum_xy +=(key1[1] - avg_x) * (key2[1] - avg_y)
            sum_y +=(key2[1] - avg_y) * (key2[1] -avg_y)
            sum_x +=(key1[1] - avg_x) * (key1[1] - avg_x)
if sum_xy == 0.0:
    return 0
sx_sy=math.sqrt(sum_x) * math.sqrt(sum_y)

这个函数里面的相似度计算应该是这样吧， userFC.py

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