[R] any plot ?
kjetil brinchmann halvorsen
kjetil at entelnet.bo
Sat Jan 11 14:40:03 CET 2003
On 11 Jan 2003 at 12:22, H. Zmarrou wrote:
Hola!
You need persp, and for the following example, library(mvtnorm) (from
CRAN)
> x <- seq(-3,3, length=200)
> y <- seq(-3,3,length=200)
> z <- matrix(0, 200, 200)
> for (i in 1:200) for (j in 1:200) {
+ z[i,j] <- dmvnorm(c(x[i],y[j]), c(0,0),
matrix(c(1,0.5,0.5,1),2,2)) }
> persp(x,y,z)
Kjetil Halvorsen
>
> Dear R-ers:
> I'm sorry to disturb you, I want just ask if R can plot a given
> complicated density function. I mean if we have the expression of the
> density en we want to see how it's look like? and this is a density
> with two variables thus it's a 3D plot
>
> Thank you very much
> Hicham Amsterdam
>
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