© 1984 by Biometrika Trust
Likelihood inference in a correlated probit regression model
Radiation Effects Research Foundation Hiroshima, Japan
Fred Hutchinson Cancer Research Center, Seattle, Washington, U.S.A.
Equicorrelated binary observations are modelled using a multivariate probit regression model. Log likelihood derivatives are reduced to simple linear combinations of equicorrelated multivariate normal probabilities, which are approximated using the method of Mendell & Elston (1974). A data set with overdispersion illustrates the use of this model.
Key Words: Correlated probit model Extra-binomial variation Maximum likelihood Multivariate normal distribution Overdispersion Underdispersion
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