Questions tagged [credit-assignment-problem]

For questions related to the credit assignment problem, i.e. determine which and how actions contribute to a certain outcome, which is the main problem that reinforcement learning algorithms attempt to solve.

4 questions

votes

1 answer

What is the credit assignment problem?

In reinforcement learning (RL), the credit assignment problem (CAP) seems to be an important problem. What is the CAP? Why is it relevant to RL?

reinforcement-learning definitions credit-assignment-problem

asked Jun 18 '19 at 00:35

nbro

39,006
12
98
176

votes

1 answer

Can reinforcement learning be used for tasks where only one final reward is received?

Is reinforcement learning problem adaptable to the setting when there is only one - final - reward. I am aware of problems with sparse and delayed rewards, but what about only one reward and a quite long path?

reinforcement-learning reward-design sparse-rewards credit-assignment-problem delayed-rewards

asked May 07 '19 at 15:50

TomR

votes

1 answer

How are "lags" and "exogenous factors" accounted for in reinforcement learning?

In reinforcement learning, the system sets some controllable variables, and then determines the quality of the result of the dependent variable(s); using that "quality" to update the algorithm. In simple games, this works fine because for each…

machine-learning reinforcement-learning applications credit-assignment-problem

asked Oct 05 '18 at 13:09

SchroedingersCat

vote

0 answers

learning rate and credit assignment problem in checkers

I have implemented an AI agent to play checkers based on the design written in the first chapter of Machine Learning, Tom Mitchell, McGraw Hill, 1997. We train the agent by letting it plays against its self. I wrote the prediction to get how good a…

machine-learning reinforcement-learning intelligent-agent checkers credit-assignment-problem

asked Dec 31 '20 at 17:30

Kais Hasan