Search Results for author: James R. Wright

Found 11 papers, 5 papers with code

Guarantees for Self-Play in Multiplayer Games via Polymatrix Decomposability

1 code implementation NeurIPS 2023 Revan MacQueen, James R. Wright

Self-play is a technique for machine learning in multi-agent systems where a learning algorithm learns by interacting with copies of itself.

How to Evaluate Behavioral Models

no code implementations7 Jun 2023 Greg d'Eon, Sophie Greenwood, Kevin Leyton-Brown, James R. Wright

Researchers building behavioral models, such as behavioral game theorists, use experimental data to evaluate predictive models of human behavior.

Efficient Deviation Types and Learning for Hindsight Rationality in Extensive-Form Games: Corrections

1 code implementation24 May 2022 Dustin Morrill, Ryan D'Orazio, Marc Lanctot, James R. Wright, Michael Bowling, Amy R. Greenwald

Hindsight rationality is an approach to playing general-sum games that prescribes no-regret learning dynamics for individual agents with respect to a set of deviations, and further describes jointly rational behavior among multiple agents with mediated equilibria.

counterfactual Decision Making

Efficient Deviation Types and Learning for Hindsight Rationality in Extensive-Form Games

1 code implementation13 Feb 2021 Dustin Morrill, Ryan D'Orazio, Marc Lanctot, James R. Wright, Michael Bowling, Amy Greenwald

Hindsight rationality is an approach to playing general-sum games that prescribes no-regret learning dynamics for individual agents with respect to a set of deviations, and further describes jointly rational behavior among multiple agents with mediated equilibria.

counterfactual Decision Making

Hindsight and Sequential Rationality of Correlated Play

1 code implementation10 Dec 2020 Dustin Morrill, Ryan D'Orazio, Reca Sarfati, Marc Lanctot, James R. Wright, Amy Greenwald, Michael Bowling

This approach also leads to a game-theoretic analysis, but in the correlated play that arises from joint learning dynamics rather than factored agent behavior at equilibrium.

counterfactual Decision Making +1

Alternative Function Approximation Parameterizations for Solving Games: An Analysis of $f$-Regression Counterfactual Regret Minimization

no code implementations6 Dec 2019 Ryan D'Orazio, Dustin Morrill, James R. Wright, Michael Bowling

In contrast, the more conventional softmax parameterization is standard in the field of reinforcement learning and yields a regret bound with a better dependence on the number of actions.

counterfactual regression +2

Bounds for Approximate Regret-Matching Algorithms

no code implementations3 Oct 2019 Ryan D'Orazio, Dustin Morrill, James R. Wright

A common approach to incorporating function approximation is to learn the inputs needed for a regret minimizing algorithm, allowing for generalization across many regret minimization problems.

regression

Deep Learning for Predicting Human Strategic Behavior

no code implementations NeurIPS 2016 Jason S. Hartford, James R. Wright, Kevin Leyton-Brown

Predicting the behavior of human participants in strategic settings is an important problem in many domains.

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