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 altogether.
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