Concept

Positive Pointwise Mutual Information Representation

Positive pointwise mutual information replaces all negative PMI values with zero: PPMI(w,c)=max(log2(P(w,c)P(w)P(c)),0)PPMI(w, c) = \max \left( \log_2(\frac{P(w, c)}{P(w)P(c)}), 0 \right)

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Updated 2022-06-29

Tags

Data Science