[R] 2D density contour plot

Z P nusbj at hotmail.com
Sun Feb 8 08:19:43 CET 2004

Dear all,

Is there any function to construct bivariate kernel estimates using the 
sphering choice of bandwidth matrix H=h*S^(1/2), where S is the sample 
covariance matrix? Then draw a contour plot to see the structure? Thanks.

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