[R] question about 3-d plot
andrew
andrewjohnroyal at gmail.com
Fri Feb 27 07:20:07 CET 2009
the following should work
library(lattice)
x <- seq(1,100)
y <- seq(1,100)
gr <- expand.grid(x,y)
gr$z <- x + y + rnorm(10000,0,100)
cloud(z ~ x + y, data = gr)
also, look for the package rgl which does similar but with more
possiblities.
On Feb 27, 4:28 pm, Dipankar Basu <basu... at gmail.com> wrote:
> Hi R Users,
>
> I have produced a simulated scatter plot of y versus x tightly clustered
> around the 45 degree line through the origin with the following code:
>
> x <- seq(1,100)
> y <- x+rnorm(100,0,10)
> plot(x,y,col="blue")
> abline(0,1)
>
> Is there some way to generate a 3-dimensional analogue of this? Can I get a
> similar simulated scatter plot of points in 3 dimensions where the points
> are clustered around a plane through the origin where the plane in question
> is the 3-dimensional analogue of the 45 degree line through the origin?
>
> Deepankar
>
> [[alternative HTML version deleted]]
>
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