Summary
In the log-linear model for bivariate probability functions the conditional and joint probabilities have a simple form. This property make the log-linear parametrization useful when modeling these probabilities is the focus of the investigation. On the contrary, in the log-linear representation of bivariate probability functions, the marginal probabilities have a complex form. So the log-linear models are not useful when the marginal probabilities are of particular interest. In this paper the previous statements are discussed and a model obtained from the log-linear one by imposing suitable constraints on the marginal probabilities is introduced.
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This work was supported by a M.U.R.S.T. grant.
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Colombi, R. A class of log-linear models with constrained marginal distributions. J. It. Statist. Soc. 4, 147–165 (1995). https://doi.org/10.1007/BF02589099
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DOI: https://doi.org/10.1007/BF02589099