Unverified50% confidenceFactExact time
总变差距离定义为TV(P,Q) = sup_A |P(A) - Q(A)|，相比KL散度具有对称性且取值在0到1之间，与假设检验最优错误率通过Neyman-Pearson引理直接挂钩
1
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50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
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