Sundar Dorai-Raj <sdorairaj <at> gmail.com> writes: > > Sorry, that was my lack of understanding on how coplot works. > Try the following: > > coplot(lbxglu~lbxgh|eth, data = reg.dat.5, > panel= function(...) { > panel.smooth(...) > abline(h = 126, col = "red") > abline(v = 6.5, col = "blue") > }, > xlab="ABC", ylab="FBG") >
No, it was not your lack of understanding. Since the original poster did not provide sample data (too much work?), you had to provide untested code. Function coplot is standard graphics, not lattice, so panels do not work here. Dieter ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.