The NIL dereference (read) error in WinBUGS when utilizing spike and slab priors for variable selection indicates that the model is unable to properly handle the priors specified. This error typically occurs when the priors are too vague or poorly specified, resulting in numerical problems with the algorithm. It suggests that the model needs to be re-evaluated, and the priors adjusted to avoid this error.
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Asked: 2022-05-08 11:00:00 +0000
Seen: 12 times
Last updated: Jul 22 '22
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