Dear Josep, Does it do the work for you?
# Example data set.seed(123) mydata=data.frame(c1=rnorm(100),c2=rnorm(100),cluster=sample(1:10,100,replace=TRUE)) attach(mydata) # Plot plot(c1,c2,col=cluster,pch=16,xlab="Your legend here",ylab="Your legend here") HTH, Jorge On Mon, Jul 7, 2008 at 1:51 PM, Josep Maria Campanera Alsina < [EMAIL PROTECTED]> wrote: > R experts, > > I have three columns. c1 and c2 are numeric variables whereas c3 are the > clusters classes (nominal variable, 10 different: cluster1, cluster2, > cluster3, cluster4, cluster5 ....). I'd like to plot c1 against c2 (easy!) > in a 2D plot and put different color depending to the cluster class > automatically regardless the number of clusters. > > Could anyone give a hand? > > Josep Maria, > > > matrix <- read.table(fileName, header=TRUE, sep=",") > c1<-matrix[,1] > c2<-matrix[,2] > c3<-matrix[,3] > plot(c1,c2) ????? what else? > > [[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. > [[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.