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ia_busy
2007 Feb 20
1
interaction term and scatterplot3d
Dear Listers,
I would be interested in representing a trend surface including an
interaction term z = f(x,y,x.y) - eg the type of chart obtained with
persp() or wireframe(), then adding datapoints as a cloud, ideally with
dots which are under the surface in a color, and those who are above in
another color. An other option would be to draw segments between the
dots and the ground of the