[R] How to get the p-value from lmer on a longitudinal analysis

Marc Schwartz marc_schwartz at comcast.net
Fri Aug 1 17:19:38 CEST 2008


on 08/01/2008 10:11 AM Ronaldo Reis Junior wrote:
> Hi,
> 
> I have a modelo like this:
> 
> Yvar <- c(0, 0, 0, 0, 1, 0, 0, 0, 1, 2, 1, 1, 2, 3, 6, 6, 3, 3, 4)
> TIME <- 4:22
> ID <- rep("PlotA",19)
> m <- lmer(Yvar~TIME+(TIME|ID),family=poisson)
> anova(m)
> summary(m)
> 
> How to get the p-value for this case?
> 
> Thanks
> Ronaldo

Unless something has changed recently:

http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-are-p_002dvalues-not-displayed-when-using-lmer_0028_0029_003f

HTH,

Marc Schwartz



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