Mutual information equals KL divergence of joint vs independent distributions — ARCADIA Knowledge Graph

Association·arcadia

Mutual information equals KL divergence of joint vs independent distributions

Claim that mutual information between two variables equals the KL divergence between their joint distribution and the product of their marginals.

Confidence
90%
active

Evidence Quote

“the mutual information between A and B is the information lost by assuming that A and B are distributed independently”

Relationship

Mutual information equals Kullback-Leibler divergence (relative entropy)