Thanks A.K !!!! I also add "shape=variable" so that it is much easier to tell two variables by color +shape
On Fri, May 3, 2013 at 2:14 PM, arun <smartpink...@yahoo.com> wrote: > HI, > May be this helps: > > dat1<- read.table(text=" > ID Var1 Var2 Group > A1 1 1 BB > A2 1 2 AA > B1 2 1 CC > B2 1 3 DD > C1 1 2 EE > ",sep="",header=TRUE) > library(reshape2) > dat2<-melt(dat1,id.var=c("ID","Group")) > library(ggplot2) > ggplot(dat2,aes(x=ID,y=value,group=Group,colour=Group))+geom_point() > A.K. > > > > ----- Original Message ----- > From: Ye Lin <ye...@lbl.gov> > To: R help <r-help@r-project.org> > Cc: > Sent: Friday, May 3, 2013 4:37 PM > Subject: [R] color by group in ggplot > > Hey, > > I have a dataset like this: > > ID Var1 Var2 Group > A1 1 1 BB > A2 1 2 AA > B1 2 1 CC > B2 1 3 DD > C1 1 2 EE > > I would like to plot the points of Var1 and Var2, use "ID" as X-axis, but > color the points by "Group". I can only manage to color the points by "ID" > after transform the dataset to "tall" using "reshape" package. > > Thanks for your help! > > [[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.