Message-ID: <43EE3420.8080501@stats.uwo.ca>
Date: 2006-02-11T18:59:44Z
From: Duncan Murdoch
Subject: plots
In-Reply-To: <43EE3319.4050209@free.fr>
Romain Francois wrote:
> Le 11.02.2006 19:44, statistical.model at googlemail.com a ??crit :
>
>>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
>
>>can anybody help me?
>>
>>thanks in advance
>>
>>Roberto Furlan
>>University of Turin
>>
>
>