These sorts of parameters are all documented under ?par, but it's a bit of a beast to read. The one you are looking for is lwd=
To wit layout(1:2) plot(1:5, type = "l") plot(1:5, type = "l", lwd = 3) Best, Michael On Mon, Jul 9, 2012 at 12:11 PM, peziza <jenkere...@gmail.com> wrote: > I am trying to make the lines thicker in a graph (for a ppt presentation). > > Here is what I currently have: > > plot(x,y,type="l", ylab="Number of OTUs", xlab="Number of Samples > Collected", col="Black", pch=1, ylim=c(0,6000)) > > points(x, Sobs$Chao_1_Mean, type="l", col="Gray", pch=1) (this is one of the > added lines in the graph). > > I believe cex can help increase the size of the points. But I haven't been > able to get it to work. > > > -- > View this message in context: > http://r.789695.n4.nabble.com/how-to-make-plot-lines-thicker-tp4635875.html > Sent from the R help mailing list archive at Nabble.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. ______________________________________________ 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.
