Search Results for author: Matthew T. Harrison

Found 6 papers, 2 papers with code

Optimizing Crop Management with Reinforcement Learning and Imitation Learning

no code implementations20 Sep 2022 Ran Tao, Pan Zhao, Jing Wu, Nicolas F. Martin, Matthew T. Harrison, Carla Ferreira, Zahra Kalantari, Naira Hovakimyan

Moreover, the partial-observation management policies are directly deployable in the real world as they use readily available information.

Imitation Learning Management +2

The Discriminative Kalman Filter for Bayesian Filtering with Nonlinear and Nongaussian Observation Models

1 code implementation1 May 2020 Michael C. Burkhart, David M. Brandman, Brian Franco, Leigh R. Hochberg, Matthew T. Harrison

Extensions to the Kalman filter, including the extended and unscented Kalman filters, incorporate linearizations for models where the observation model p(observation∣state) is nonlinear.

Brain Computer Interface regression +1

The discriminative Kalman filter for nonlinear and non-Gaussian sequential Bayesian filtering

no code implementations23 Aug 2016 Michael C. Burkhart, David M. Brandman, Carlos E. Vargas-Irwin, Matthew T. Harrison

The Kalman filter (KF) is used in a variety of applications for computing the posterior distribution of latent states in a state space model.

Mixture models with a prior on the number of components

1 code implementation22 Feb 2015 Jeffrey W. Miller, Matthew T. Harrison

A natural Bayesian approach for mixture models with an unknown number of components is to take the usual finite mixture model with Dirichlet weights, and put a prior on the number of components---that is, to use a mixture of finite mixtures (MFM).

Methodology

A simple example of Dirichlet process mixture inconsistency for the number of components

no code implementations NeurIPS 2013 Jeffrey W. Miller, Matthew T. Harrison

For data assumed to come from a finite mixture with an unknown number of components, it has become common to use Dirichlet process mixtures (DPMs) not only for density estimation, but also for inferences about the number of components.

Density Estimation

Inconsistency of Pitman-Yor process mixtures for the number of components

no code implementations30 Aug 2013 Jeffrey W. Miller, Matthew T. Harrison

We show that this posterior is not consistent --- that is, on data from a finite mixture, it does not concentrate at the true number of components.

Density Estimation

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