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Black-box Off-policy Estimation for Infinite-Horizon Reinforcement Learning

ICLR 2020 · Reinforcement learning › Policy gradient and actor-critic · approach: Importance-weighted OPE estimators · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use the black-box backward-flow estimator instead of naive averagingOff-policy estimation on ModelWin · ModelWinRMSEHelped
Use the black-box backward-flow estimator instead of IPSOff-policy estimation on ModelWin with short behavior trajectories · ModelWinRMSEHelped
Use the black-box estimator instead of the compared baselinesOff-policy estimation on classic control tasks · Pendulum, Mountain Car, Cartpole, AcrobotRMSEMixed
Use the black-box estimator instead of IPS on short trajectoriesOff-policy estimation on ModelWin · ModelWin, trajectory length 4biasHelped
Use the black-box estimator instead of the compared methods as the behavior policy diverges from the targetOff-policy estimation on classic control tasks · Classic control, varying behavior-policy mixtureRMSEHelped
Lower DualDICE's discount factorDualDICE on ModelWin · ModelWinbiasHurt
Lower DualDICE's discount factorDualDICE on ModelWin · ModelWinvarianceHelped
Use a behavior policy close to random, leaving Mountain Car unable to reach the goalAll compared off-policy estimators · Mountain Car, alpha_1=0.1RMSENo clear effect

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