"Pavel" == Pavel Khomski <[EMAIL PROTECTED]> on Tue, 08 Feb 2005 10:20:03 +0100 writes:
Pavel> this is a question, how can i specify the random part
Pavel> in the GLMM-call (of the lme4 library) for compound
Pavel> matrices just in the the same way as they defined in
Pavel> the lme-Call (of the nlme library).
The GLMM function in the lme4 package allows you to specify crossed random effects within the random argument without the need for the pdBlocked and pdIdent constructions. Simply ensure that your grouping factors are defined in such a way that each distinct group has a different level in the grouping factor (this is usually not a problem for crossed grouping factors but can be a problem with nested factors) and list them. For example
random = list(rows = ~ 1, columns = ~1)
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