[R] MCMClogit confusion

AlexanderDueDo alex at ccin.de
Wed Oct 7 00:40:42 CEST 2009


running the code

simulatedCase <- rbinom(100,1,0.5)
simDf <- data.frame(CASE = simulatedCase)
posterior_m0 <<- MCMClogit(CASE ~ 1, data = simDf, b0 = 0, B0 = 1)

always results in an acceptance ratio of 0. If I do not specify b0 and B0,
this does not occur. I do not understand the reasons for this behaviour -
any explanation would be greatly appreciated!


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