From: Karl Knoblick (karlknoblich@yahoo.de)
Date: Wed 31 Dec 2003 - 23:13:45 EST
Message-id: <20031231121345.181.qmail@web10009.mail.yahoo.com>
Hallo!
GENERAL QUESTION:
I'm trying to change the tick marks of the x-axis in a
grouped data plot (nlme).
CONCRETE EXAMPLE:
In the example (see below) I want the x-axis to have
tick marks at 0, 6, 12, 18, 24. How can I do this?
WHAT I TRIED
I tried "normal" methods like axis(...) but this does
not work with this plot. And I also tried xlim=c(0,24)
but the ticks are unchanged and the plot looks worse
(because of no distances to the border of the Panels).
EXAMPLE:
-- # begin example library(lattice) library(nlme)# create sample data set.seed(123) ID<-rep(1:6, each=4) Time<-rep(c(0,6,12,24), 6) Y<-runif(24) DF<-data.frame(ID, Time, Y)
GDF<-groupedData(Y ~ Time | ID, data=DF)
plot(GDF,layout=c(3,2), aspect=0.6, xlab="Months")
# end example
QUESTION: How can I get tick marks at 0, 6, 12, 18, 24 on the x-axis?
Any help will be appreciate.
Karl.
PS: Have a happy new year and keep R running!!
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