Conditionally specified distributions: an introduction
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A bivariate distribution can sometimes be characterized completelybyproperties of its conditional distributions. The present article surveys available research in this area. Questions of compatibility of conditional specifications are addressed as are characterizations of distributions based on their having conditional distributions that are members of prescribed parametric families of distributions. The topics of compatibilityand near compatibilityof conditional distributions are discussed. Estimation strategies for conditionallyspecified distributions are summarized. Additionally, certain conditionally specified densities are shown to provide convenient flexible conjugate prior families in certain multiparameter Bayesian settings.