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计算异常概率时会有除数为0的问题 #510

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NikoDi2000 opened this issue Jun 26, 2023 · 1 comment

NikoDi2000 commented Jun 26, 2023

pyod/pyod/models/base.py

Line 236 in 66010dd

self._sigma * np.sqrt(2))

在这一行中，有可能会有标准差为0的情况，导致出现RuntimeWarning: divide by zero encountered in true_divide。
虽然这个不太影响程序运行，但还是希望做一下处理
感谢

Owner

yzhao062 commented Jun 27, 2023

if self._sigma == 0, which means all the scores are equal, then maybe the problem/ algorithm already fails...

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