We show that, largely speaking, exponential families are extreme point models in the sense of Lauritzen (1974, 1982, 1984), except that in some cases degenerate measures shall be added. The results ...
Journal of Biogeography, Vol. 30, No. 6 (Jun., 2003), pp. 827-835 (9 pages) Aim This paper reviews possible candidate models that may be used in theoretical modelling and empirical studies of ...
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