[R] WinBUGS posterior samples (via R2WinBUGS)?
Gregor Gorjanc
gregor.gorjanc at bfro.uni-lj.si
Fri Jan 2 00:50:54 CET 2009
Anny Huang <annylhuang <at> gmail.com> writes:
> I did some analysis using package R2WinBUGS to call WinBUGS. I set the
> iterations to 50000 (fairly a large number, I think), but after the program
> was done, the effective posterior samples contained only 7 draws. I don't
> know why.
This indicates that you have a mixing problem! I guess that you do not have
enough information to retrieve the post. dist. of that parameter. You might
try to reconsider your model or reparametrize it.
gg
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