try this: x <- matrix(runif(15, 100, 300), ncol=3) plot(x[,1], x[,2], type='l') points(x[5,1], x[5,2], pch=17, cex=3, col='red') # plot point #5
On Fri, May 23, 2008 at 8:50 AM, Jason Lee <[EMAIL PROTECTED]> wrote: > Hi > > I have a data table matrix,"data" which looks like below:- > V1 V2 V3 > 1 -6382.719 -1096.554 6998994 > 2 -some values- > 3 -some values- > 4 -some values- > 5 -some values- > > Querying dim of "data" gives me 3 columns and 5 rows. > > And currently I want to plot "V1" against "V2" with the condition that I > want to mark(color) the point(row 5) on the graph. This is so i could see > some triangle shape thing on the graph for row 5. > > I couldnt recall how I could use repo() to change the line 5 to some value > to differentiate with others. And then using PCH for the color. > > Please advise. Thanks. > > -jason > > [[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<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 you are trying to solve? [[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.
