This article proposes Multinomial Probit Bayesian Additive Regression Trees (MPBART) as a multinomial probit extension of BART - Bayesian Additive Regression Trees (Chipman et al (2010)). MPBART is flexible to allow inclusion of predictors that describe the observed units as well as the available choice alternatives. T…
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New algorithms improve MPBART for HIV patient data.
problem Improving inference for multinomial outcomes in HIV patient data.
method Introduced two new algorithms for fitting MPBART.
result Better performance in MCMC convergence and predictive accuracy.