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What is the best distance measure between policies that are not probability distributions?

AI Stack ExchangeAnalysis or commentary·
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A question on AI Stack Exchange asks how to measure the distance between policies that are not probability distributions, such as deterministic policies in continuous control that map a state to an action vector.

Written by AI from AI Stack Exchange's published text.

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“This question asks if there is a way to measure distance between policies that are in fact probability distributions.”
AI Stack Exchange, 11 Sept 2026, 23:06.

Interpretation or community commentary rather than straight reporting.

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