kaal:claim:7456999-047

The data processing inequality cannot compare RLHF and RLRF because their labels arise from different observation mechanisms and no processing chain connects them.

The comparison with RLHF cannot be made by the data processing inequality. It orders two statistics of a common observation, and the scalar preference label is not a function of either RLRF transcript. They are outputs of different observation mechanisms applied to the same candidate output, and no processing chain connects them.

Wulf A. Kaal, Reinforcement Learning from Reputation Feedback (2026), III.D.3 Information-Theoretic Decomposition of the Signal, p. 16
https://ssrn.com/abstract=7456999 · source PDF

Wulf A. Kaal, Reinforcement Learning from Reputation Feedback (2026). SSRN: https://ssrn.com/abstract=7456999

• attempts to order RLHF and RLRF information using data processing

failuresupport: arguedresearch-methodsai-and-agentsempirical-evidence

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