Search Results for author: Jon Wakefield

Found 6 papers, 2 papers with code

BART-SIMP: a novel framework for flexible spatial covariate modeling and prediction using Bayesian additive regression trees

no code implementations23 Sep 2023 Alex Ziyu Jiang, Jon Wakefield

Prediction is a classic challenge in spatial statistics and the inclusion of spatial covariates can greatly improve predictive performance when incorporated into a model with latent spatial effects.

regression

Small Area Estimation with Random Forests and the LASSO

no code implementations29 Aug 2023 Victoire Michal, Jon Wakefield, Alexandra M. Schmidt, Alicia Cavanaugh, Brian Robinson, Jill Baumgartner

We consider random forests and LASSO methods for model-based small area estimation when the number of areas with sampled data is a small fraction of the total areas for which estimates are required.

Variable Selection

A Penalized Poisson Likelihood Approach to High-Dimensional Semi-Parametric Inference for Doubly-Stochastic Point Processes

no code implementations11 Jun 2023 Si Cheng, Jon Wakefield, Ali Shojaie

Doubly-stochastic point processes model the occurrence of events over a spatial domain as an inhomogeneous Poisson process conditioned on the realization of a random intensity function.

Point Processes

Space-time smoothing models for sub-national measles routine immunization coverage estimation with complex survey data

no code implementations7 Jul 2020 Tracy Qi Dong, Jon Wakefield

A key public health strategy for controling measles in such high-burden settings is to conduct supplementary immunization activities (SIAs) in the form of mass vaccination campaigns, in addition to delivering scheduled vaccination through routine immunization (RI) programs.

Applications Methodology

Spatio-Temporal Analysis of Surveillance Data

1 code implementation1 Nov 2017 Jon Wakefield, Tracy Qi Dong, Vladimir N. Minin

In this chapter, we consider space-time analysis of surveillance count data.

Applications Methodology

Efficient data augmentation for fitting stochastic epidemic models to prevalence data

2 code implementations26 Jun 2016 Jonathan Fintzi, Xiang Cui, Jon Wakefield, Vladimir N. Minin

We present our algorithm in the context of multiple stochastic epidemic models in which the data are binomially sampled prevalence counts, and apply our method to data from an outbreak of influenza in a British boarding school.

Computation Populations and Evolution

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