[R] Variant of cloud with "sticks" from points to surface

PerfectTiling perfecttiling at yahoo.com
Mon Oct 19 06:26:21 CEST 2009


I'd like to 

  (1) plot a perspective view of a 3D scatterplot, with a fitted (curved)
  (2) have a "stick" from each point vertically to the surface.

The latter helps one visualize where a point lies in 3D, relative to the
surface.  Is there a variant of the cloud function (lattice package) which
might do this?  As far as I can tell, the cloud function will (essentially)
only plot the a stick from a point to z=0, rather than to the surface.

Thanks in advance!

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