Please take a look at the documentation for lmList regarding
the na.action= argument. It should be a *function*, not TRUE
or FALSE. For example, try
lmList(score ~ childid | spring, data=a, na.action=na.omit)
- Phil Spector
Statistical Computing Facility
Department of Statistics
UC Berkeley
spec...@stat.berkeley.edu
On Wed, 13 Oct 2010, FMH wrote:
Dear All,
I was trying to use the lmList function to get the lmList graphic but have a
problem creating the graphic. My data has missing values and an error occurred
as stated below.
###################################################
library(nlme)
a
schoolid spring score childid
1 1 0 550 345
2 1 1 568 345
3 1 0 560 456
4 1 1 NA 456
5 2 0 540 32
6 2 1 562 32
7 2 0 579 34
8 2 1 599 34
(lmlis1 <- lmList(score ~ childid | spring, data=a, na.action=T))
Error in UseMethod("getGroups") : no applicable method for "getGroups"
#######################################################
Could anybody advice me the way to write the command correctly, which ignore the
missing data?
Cheers
Fir
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