Could you provide a reproducible example even with fake data would be fine or dput() yours.
On Thu, Jun 4, 2009 at 10:11 AM, Par Leijonhufvud <p...@hunter-gatherer.org> wrote: > I want to make a log-log plot with a regression line, but I can't figure > out what I'm doing wrong. What I'm trying is: > > plot(mass,area, log="xy", pch=as.numeric(food)) > abline(lm(mass~area)) > > or > > plot(mass,area, log="xy", pch=as.numeric(food)) > islands$logmass <- log(mass) > islands$logarea <- log(area) > attach(islands) > abline(lm(logmass~logarea)) > > > But that does not show a line. Where am I going wrong? > > data: > island, area,species,food,mass > Ibiza , 577 , Anser n. sp., herb, 2.0 > Ibiza , 577 , Haliaeetus albicilla, carn, 4.8 > Mauritius , 1874 , Raphus cucullatus, herb, 19 > Mauritius , 1874 , Circus alphonsi, carn, 0.63 > Mallorca , 3667 , Myotragus balearicus, herb, 40 > Mallorca , 3667 , Aquila chrysaetos, carn, 4.2 > Kreta , 8259 , Elephas creutzburgi, herb, 3200 > ....... > > /Par > > -- > Par Leijonhufvud p...@hunter-gatherer.org > I don't believe in reincarnation. I used to, > but that was in another life. > > ______________________________________________ > 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. > -- Stephen Sefick Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis ______________________________________________ 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.