[R] 3d scatter plot with drop line

[Deepayan Sarkar]

On Wednesday 17 November 2004 14:03, Joel Bremson wrote:
> This is a follow up to my question from yesterday. I want to do in R
> what is called a "3d scatter plot with drop lines" in S-PLUS.
>
> Basically, it's a 3dscatterplot with lines connecting the x-y grid to
> the z points.
> The lines give a better perspective on the shape of the data surface.
>
> How to?

One possibility would be 

library(lattice)
cloud(y ~ x * z, type = 'h')

This actually tries to drop the lines to the X-Y plane (z = 0) (which is 
truncated on the 'x-y grid' if the z-limits don't include 0).

Deepayan