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Summary of Candere-coach: Reinforcement Learning From Noisy Feedback, by Yuxuan Li et al.


CANDERE-COACH: Reinforcement Learning from Noisy Feedback

by Yuxuan Li, Srijita Das, Matthew E. Taylor

First submitted to arxiv on: 23 Sep 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Artificial Intelligence (cs.AI)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The proposed CANDERE-COACH algorithm enables reinforcement learning (RL) agents to learn from noisy feedback provided by nonoptimal teachers, a common scenario in many challenging tasks. Building upon imitation learning, learning from preference, and inverse reinforcement learning frameworks, this method introduces a noise-filtering mechanism to de-noise online feedback data, allowing RL agents to successfully learn even with up to 40% of the teacher feedback being incorrect. This approach demonstrates effectiveness across three common domains.
Low GrooveSquid.com (original content) Low Difficulty Summary
The researchers created a new way for computers to learn from imperfect teachers. Usually, computers need perfect feedback to learn well, but in real life, teachers can make mistakes or not be very good at giving feedback. The team developed an algorithm that helps the computer ignore bad feedback and still learn well. This works even when the teacher is wrong 40% of the time! They tested it on three different problems and found it worked great.

Keywords

» Artificial intelligence  » Reinforcement learning