Bayesian CART Model Search
- 1 September 1998
- journal article
- research article
- Published by JSTOR in Journal of the American Statistical Association
- Vol. 93 (443) , 935
- https://doi.org/10.2307/2669832
Abstract
In this article we put forward a Bayesian approach for finding classification and regression tree (CART) models. The two basic components of this approach consist of prior specification and stochastic search. The basic idea is to have the prior induce a posterior distribution that will guide the stochastic search toward more promising CART models. As the search proceeds, such models can then be selected with a variety of criteria, such as posterior probability, marginal likelihood, residual sum of squares or misclassification rates. Examples are used to illustrate the potential superiority of this approach over alternative methods.Keywords
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