random effect model in R---- lmer

Can you please send this to the R-SIG mailing list about mixed
models??

This has *NOTHING* to do with using R for and in teaching!

Yahoo!  <aboueiss at yahoo.com>
    on Mon, 22 Dec 2014 13:26:00 +0000 writes:

> Dear All: ? I am trying to run arandom effect model in R,
    > but when I used "lmer" I got the followingerrors: Please
    > see below.


    > ? library(lme4)
    ......................

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