Le 11.02.2006 19:59, Duncan Murdoch a écrit : > Romain Francois wrote: >> Le 11.02.2006 19:44, [EMAIL PROTECTED] a écrit : >> >>> Hi all, >>> I have a basic question. how can i visualize two or more density >>> curves on >>> the same plot? >>> >>> ex: >>> x1<-runif(100,10,80) >>> x2<-runif(100,1,100) >>> kernelgraf<-density(x1,kernel = "gaussian", width= 20) >>> plot(kernelgraf, xlab="Probability", xlim=c(0,100), ylim=c(0,.1), >>> col=rgb(0,1,0), main="") >>> kernelgraf<-density(x2,kernel = "gaussian", width= 20) >>> points(kernelgraf, xlab="Probability", xlim=c(0,100), ylim=c(0,.1), >>> col=rgb(0,0,1), main="") >>> >>> here i am using plot + points, but i do not like the graphical >>> output for >>> points. >>> >> >> You are almost there, replace your last command by : >> >> points(kernelgraf, type="l", col="blue") >> >> Romain >> >> PS : Maybe a function points.density setting type="l" would be a good >> thing ? > > Or maybe use > > lines(kernelgraf, type="l", col="blue") > > As I always say, when you want lines, use lines(). > > Duncan Murdoch You are right Duncan,
I wish there was a coffea() function in R ;-) -- visit the R Graph Gallery : http://addictedtor.free.fr/graphiques mixmod 1.7 is released : http://www-math.univ-fcomte.fr/mixmod/index.php +---------------------------------------------------------------+ | Romain FRANCOIS - http://francoisromain.free.fr | | Doctorant INRIA Futurs / EDF | +---------------------------------------------------------------+ ______________________________________________ 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