here here. I had the wonderful benefit of sitting in a coffee shop in San Francisco with Doug listening to an excellent explanation. I only wish we could replicate that as an FAQ!    

Thanks for this, Doug.


-----Original Message-----
From:	r-help-bounces@stat.math.ethz.ch on behalf of Marc Schwartz
Sent:	Fri 5/19/2006 7:54 PM
To:	Frank E Harrell Jr
Cc:	Douglas Bates; r-help
Subject:	Re: [R] lmer, p-values and all that

On Fri, 2006-05-19 at 17:44 -0500, Frank E Harrell Jr wrote:
> Douglas Bates wrote:
> > Users are often surprised and alarmed that the summary of a linear
> . . . .
> Doug,
> 
> I have been needing this kind of explanation.  That is very helpful. 
> Thank you.  I do a lot with penalized MLEs for ordinary regression and 
> logistic models and know that getting sensible P-values is not 
> straightforward even in that far simpler situation.
> 
> Frank

I would like to echo Frank's comments and say "Thanks" to Doug for
taking the time to provide this post.

I would also like to suggest that this issue has indeed become a FAQ and
would like to recommend that an addition to the main R FAQ be made
(wording TBD) but along the lines of:

  Why are p values not displayed when using lmer()?

The response could be:

  Doug Bates has kindly provided an extensive response in a post to the 
  r-help list, which can be reviewed at:

  https://stat.ethz.ch/pipermail/r-help/2006-May/094765.html


This might save Doug, Harold and Spencer (I am probably missing some
others here) keystrokes in the future...  :-)

Best regards,

Marc Schwartz

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