R 2.10.0
windows XP
I am trying to get the coefficients returned from lmer. Normally I would use
the names function to get the objects returned by the function. This does not
work in lmer, but it does for lm:
<- lmer(Reaction ~ Days + (1|Subject) + (0+Days|Subject), sleepstudy)
> names(fm2)
NULL
> fitlm <- lm(Reaction ~ Days, sleepstudy)
> names(fitlm)
[1] "coefficients" "residuals" "effects" "rank"
[5] "fitted.values" "assign" "qr" "df.residual"
[9] "xlevels" "call" "terms" "model"
How does one know what is returned by lmer, and how does one access the various
parts? I looked at the code for lmer, but at least on my level of R
sophistication, the nature of the data returned in not clear.
Thanks,
John
John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)
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