just add more 'abline' calls, or pass multiple values; e.g., abline(v=c(1,2,3,4), h=c(10,20))
On Fri, Nov 26, 2010 at 9:41 PM, Stephen Liu <sati...@yahoo.com> wrote: > Hi folks > > Run; >> ToothGrowth >> attach(ToothGrowth) >> toothgrowth=lm(len~dose) > > adding abline: >> abline(toothgrowth) > > I got it done adding single abline. > > > How to add more ablines on the same diagram? > > I found following thread, applying "mapply" command; > > Plotting multiple ablines > http://www.mail-archive.com/r-help@r-project.org/msg51543.html > > mapply(abline, > (converge$kY + tan((90-converge$kT) * pi / 180)*(-converge$kX)), > tan((90-converge$kT) * pi / 180)) > > But couldn't resolve it. Substituting "converge" with toothgrowth" didn't > work? > I also look at ?mapply. Pls help. > > I don't have parameter of other ablines to be added. This is only a learning > example. Any data can fit to them. > > TIA > > B.R. > Stephen L > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.