[R] summary of linear fixed effects model is different than the HSAUR book

Peter Dalgaard p.dalgaard at biostat.ku.dk
Sun Jul 22 23:49:57 CEST 2007

Christopher W. Ryan wrote:
> But on page 169, summary() is shown to produce additional columns in the
> "fixed effects" section, namely degrees of freedom and the P-value (with
> significance stars).
> How can I produce that output?  Am I doing something wrong?  Has lme4
> changed?
The latter.  To make a long story short, the author got so fed up with 
the reliability of the DF heuristics that he decided to remove them 

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