[R-sig-ME] env() error message

[Douglas Bates]

On Tue, Jul 13, 2010 at 1:50 PM, array chip <arrayprofile at yahoo.com> wrote:
> I am following examples of the lme4 draft book.
>
>> fm1 <- lmer(Yield ~ 1 + (1|Batch), Dyestuff)
>> env(fm1ML)$Lambda
> Error: could not find function "env"
>
> what went wrong here? Maybe env() function is from some special package that I
> didn't attach?

The env function was in an unreleased version of the lme4 package and
has now been retired.

I am preparing for a tutorial at the useR!2010 conference next week
and will have the versions of lme4 and the book chapters and the
slides coordinated by then.


>
> Thanks
>
> John
>
>> sessionInfo()
> R version 2.10.1 (2009-12-14)
> i386-pc-mingw32
>
> locale:
> [1] LC_COLLATE=English_United States.1252
> [2] LC_CTYPE=English_United States.1252
> [3] LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C
> [5] LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] nlme_3.1-96        lme4_0.999375-33   Matrix_0.999375-39 lattice_0.18-3
>
> loaded via a namespace (and not attached):
> [1] grid_2.10.1  tools_2.10.1
>
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