Please read the posting guide.
1. We do not have the data and hence cannot reproduce.
2. Is this the most recent version of R and the packages that you are using?
Uwe Ligges
Sachi Ito wrote:
Dear R list members,
I'd like to make a graph of coefficients of the intercept, variable 1, and
variable 2 (and possibly the interaction between variable 1 and variable
2). When I use the lmList function as attached below, it shows a nice
coefficient graph.
PACRP.lis <- lmList(PAffect ~ CRPC + CRPT + CINT | ID, redinteract)
coef(PACRP.lis)
PACRPlis.coef <- coef(PACRP.lis)
plot(PACRPlis.coef)
However, when I'd like to make a graph using the lmer function, it shows the
error message below.
PACRP <- lmer(PAffect ~ CRPC + CRPT + CINT + (1 + CRPC + CRPT + CINT |ID),
redinteract)
coef(PACRP)
PACRP.coef <- coef(PACRP)
plot(PACRP.coef)
*Error in eval(expr, envir, enclos) : object ".grp" not found
*
Does it mean that I cannot make a graph using the lmer function? Or, do I
need to install another package? I'd greatly appreciate if someone could
give me suggestions.
Thank you so much for your help in advance,
Sachi
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