Try:
coplot(lbxglu~lbxgh|eth, data = reg.dat.5,
panel= function(...) {
panel.smooth(...)
panel.abline(h = 126, col = "red")
panel.abline(v = 6.5, col = "blue")
},
xlab="ABC", ylab="FBG")
Also note that you removed your "with" call and give coplot a data argument.
HTH,
--sundar
On Thu, Feb 12, 2009 at 3:41 PM, Veerappa Chetty <chett...@gmail.com> wrote:
> Hi,I would like add a horizontal line at 126 (col=red) and a vertical line
> at 6.5 ( col= blue) in each panel .How should I use the panel.abline
> function in the following code I am using:
> ------------------
> library(lattice)
> with(reg.dat.5,coplot(lbxglu~lbxgh|eth,panel=panel.smooth,xlab="ABC",
> ylab="FBG"))
> ----------------------------------------
> Thanks a lot.
>
> Professor of Family Medicine
> Boston University
> Tel: 617-414-6221, Fax:617-414-3345
> emails: chett...@gmail.com,vche...@bu.edu
>
> [[alternative HTML version deleted]]
>
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