Hello Ksharp; I could not find PDF, CDF, and inverse CDF call functions for beta binomial in SAS. I appreciate your help in determining all possible values of unknown parameters, say eta1 and eta2 (reparameterized parameters) that satisfies two inverse beta binomial functions simultaneously. For example, if the inverse CDF of beta binomial is Q, then how we can solve the following equations together for eta1 and eta2 : 6=Q(0.8, eta1,eta2) and 2=Q(0.1,eta1,eta2) and once we have these values, how we can keep them to be used in a following step in the program. Thank you
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