Search Results for author: Rhonda D. Szczesniak

Found 4 papers, 0 papers with code

Mixed-Stationary Gaussian Process for Flexible Non-Stationary Modeling of Spatial Outcomes

no code implementations17 Jul 2018 Leo L. Duan, Xia Wang, Rhonda D. Szczesniak

Different from a simple mixture of independent GPs, the mixture in stationarity allows the components to be spatial correlated, leading to improved prediction efficiency.

Gaussian Processes

Functional Gaussian Process Model for Bayesian Nonparametric Analysis

no code implementations10 Feb 2015 Leo L. Duan, Xia Wang, Rhonda D. Szczesniak

Gaussian process is a theoretically appealing model for nonparametric analysis, but its computational cumbersomeness hinders its use in large scale and the existing reduced-rank solutions are usually heuristic.

Clustering valid

Joint Hierarchical Gaussian Process Model with Application to Forecast in Medical Monitoring

no code implementations20 Aug 2014 Leo L. Duan, John P. Clancy, Rhonda D. Szczesniak

Keyword: Extrapolation, Joint Model, Longitudinal Model, Hierarchical Gaussian Process, Cystic Fibrosis, Medical Monitoring

BET: Bayesian Ensemble Trees for Clustering and Prediction in Heterogeneous Data

no code implementations18 Aug 2014 Leo L. Duan, John P. Clancy, Rhonda D. Szczesniak

We propose a novel "tree-averaging" model that utilizes the ensemble of classification and regression trees (CART).

Classification Clustering +2

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