[R] Approximation of a function from R^2 to R

rala stachel9 at gmx.de
Thu Jan 15 10:19:46 CET 2015

Thanks for the reply. I have datapoints.
What I actually want to do is to estimate a joint density function.
I used npudens() to estimate the kernel density of two vectors and got the
densities at the evaluation points. Now I want an approximation for this so
I can have an estimate for different points.

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