Search Results for author: Benjamin Patrick Evans

Found 7 papers, 3 papers with code

Learning and Calibrating Heterogeneous Bounded Rational Market Behaviour with Multi-Agent Reinforcement Learning

no code implementations1 Feb 2024 Benjamin Patrick Evans, Sumitra Ganesh

Agent-based models (ABMs) have shown promise for modelling various real world phenomena incompatible with traditional equilibrium analysis.

Multi-agent Reinforcement Learning

Bounded rationality for relaxing best response and mutual consistency: The Quantal Hierarchy model of decision-making

1 code implementation30 Jun 2021 Benjamin Patrick Evans, Mikhail Prokopenko

We demonstrate the effectiveness of the Quantal Hierarchy model in several canonical economic games, {both simultaneous and sequential}, using out-of-sample modelling.

Decision Making

A maximum entropy model of bounded rational decision-making with prior beliefs and market feedback

no code implementations18 Feb 2021 Benjamin Patrick Evans, Mikhail Prokopenko

Specifically, it allowed for the separation of past beliefs and utility maximisation behaviour of the agent as well as the analysis into the evolution of agent beliefs.

Decision Making

An Adaptive and Near Parameter-free Evolutionary Computation Approach Towards True Automation in AutoML

1 code implementation28 Jan 2020 Benjamin Patrick Evans, Bing Xue, Mengjie Zhang

We apply this to the area of automated machine learning (by extending TPOT), to produce pipelines which can effectively be claimed to be free from human input, and show that the results are competitive with existing state-of-the-art which use hand-selected hyperparameter values.

AutoML

Improving generalisation of AutoML systems with dynamic fitness evaluations

no code implementations23 Jan 2020 Benjamin Patrick Evans, Bing Xue, Mengjie Zhang

A common problem machine learning developers are faced with is overfitting, that is, fitting a pipeline too closely to the training data that the performance degrades for unseen data.

AutoML BIG-bench Machine Learning

Genetic Programming and Gradient Descent: A Memetic Approach to Binary Image Classification

1 code implementation28 Sep 2019 Benjamin Patrick Evans, Harith Al-Sahaf, Bing Xue, Mengjie Zhang

Image classification is an essential task in computer vision, which aims to categorise a set of images into different groups based on some visual criteria.

Binary Classification Classification +2

Cannot find the paper you are looking for? You can Submit a new open access paper.