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Research map / Reinforcement learning / Imitation learning

Mitigating Covariate Shift in Imitation Learning via Offline Data With Partial Coverage

NeurIPS 2021 · Reinforcement learning › Imitation learning · approach: Offline imitation from imperfect data · 5 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add a pessimistic uncertainty penalty to the imitation objective (ablation)MILO · Hopper-v2 and Walker2d-v2final performanceHelped
use lower-coverage offline data collected by a weaker behavior policy (ablation)MILO · MuJoCo continuous control tasksexpert performance normalized scoreMixed
increase the expert demonstrations to one trajectory (ablation)MILO · Walker2d-v2 and Humanoid-v2performance relative to expertHelped
use MILO with offline transition data rather than behavior cloning on expert samples aloneoffline imitation learning · five MuJoCo environmentsperformanceHelped
combine offline and expert samples with behavior cloningBC · MuJoCo continuous control tasksimitation performanceMixed

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