2022

Selective Credit Assignment

Chelu, Veronica, Borsa, Diana, Precup, Doina et al.

Understand

Efficient credit assignment is essential for reinforcement learning algorithms in both prediction and control settings.

  • We describe a unified view on temporal-difference algorithms for selective credit assignment.
  • These selective algorithms apply weightings to quantify the contribution of learning updates.
  • We present insights into applying weightings to value-based learning and planning algorithms, and describe their role in mediating the backward credit distribution in prediction and control.

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