Hi Stephen, Please try:
with(ToothGrowth, plot(dose, len)) abline(lm(len ~ dose, data = ToothGrowth)) Cheers, Josh On Fri, Nov 19, 2010 at 6:44 PM, Stephen Liu <sati...@yahoo.com> wrote: > Hi folks, > > Win7 64bit > R 1.12.0 > > I run following command on R:- > >> ToothGrowth >> attach(ToothGrowth) >> plot(dose,len) >> matrics=lm(len~dose) > >> abline(metrics) > Error in int_abline(a = a, b = b, h = h, v = v, untf = untf, ...) : > plot.new has not been called yet > > Only a grey diagram is displayed without content > > >> plot(abline(metrics)) > Error in int_abline(a = a, b = b, h = h, v = v, untf = untf, ...) : > plot.new has not been called yet > > With the same result. > > > Pls advise what does it mean? How to rectify it? TIA > > > B.R. > Stephen L > > > > > ______________________________________________ > 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. > -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles http://www.joshuawiley.com/ ______________________________________________ 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.
