[R] Lme4 Package Help!

Søren Højsgaard sorenh at math.aau.dk
Sun Nov 9 10:16:51 CET 2014

Actually, I believe that for a brief period (around 2006) lmer did return p-values (chisq-based), but then 2006 is a long time ago...

If the question pertains p-values in the usual output of coef( summary( model ) ), I'll just mention that with doBy and pbkrtest you can do

linest( model, diag(1, length(coef(model)) ) )

With the next release of doBy you do not need to specify the diag-stuff, but for now you have to.


|-----Original Message-----
|From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
|On Behalf Of Ben Bolker
|Sent: 9. november 2014 03:48
|To: r-help at stat.math.ethz.ch
|Subject: Re: [R] Lme4 Package Help!
|Doran, Harold <HDoran <at> air.org> writes:
|> Daniel
|> Lmer has never returned p-values from a model summary; this is a
|> well-known and discussed issue. You must have post-processed the data
|> in some way to get the p-values.
|  But it's worth noting that lmerTest does, and the way it works makes it
|pretty hard to see that the results are not coming from vanilla lme4.  If
|this is what happened I wouldn't blame the OP for getting confused.
|R-help at r-project.org mailing list
|PLEASE do read the posting guide http://www.R-project.org/posting-
|and provide commented, minimal, self-contained, reproducible code.

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