3e41aa0b$1@news.povray.org...
>
> Nice, I did something similar with an animation of a rotating
> factor structure. What are represented in the x,y,z ?

The protein, fibre and starch content of rice bran samples. The plane is the
regression plane Starch = a + b * Protein + c * Fibre. It also shows the
main rice bran types (the macro detect the codes used to identify the
populations and give them different colors).

G.

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