Hi see matplot, matlines.
or use forbidden for cycle. for (i in 1:n) lines(x,y[,i], col=i) or if you want to use more colours use built in rainbow, topo.colors or generate your own set. Regards Petr On 7 Mar 2007 at 12:30, Joseph Wakeling wrote: Date sent: Wed, 07 Mar 2007 12:30:46 +0000 From: Joseph Wakeling <[EMAIL PROTECTED]> To: r-help@stat.math.ethz.ch Subject: [R] Multi-line plots with matrices in R > Hello all, > > I'm a new user of R, experienced with Octave/MATLAB and therefore > struggling a bit with the new syntax. > > One of the easy things in Octave or MATLAB is to plot multiple lines > or > sets of points by using a matrix where either the columns or the rows > contain the y-values to be plotted. Both packages automatically give > each line/points their own unique colour, character etc. > > I'm wondering how I get the same functionality in R. For example, if > X is a vector of x-values and Y is a matrix whose rows contain the > y-values, I can do, > > apply(Y,1,lines,x=X) > > ... but of course everything is all in black, with the same type of > line or points. I'd like each line to have its own unique colour > and/or style. > > Another thing I'd like clarification on is the ability to update an > existing plot. For example if I do, > > plot.window(xlim=c(0,100),ylim=c(0,1)) > > and then after plotting data decide I want ylim=c(0,0.5), how do I > update the graphic? A new plot.window() command does nothing. > > Many thanks, > > -- Joe > > ______________________________________________ > R-help@stat.math.ethz.ch 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. Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch 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.