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...f replacement length . I am changing the scale parameter but I still get the same warnings. I have no idea of the meaning of the warnings, I would be grateful if you could help. Is it possible to find a C code of th ebackfitting algorithm? Many thanks, Chiara ----------------------- Chiara Peroni University of York & Bologna

Dear All, I am trying to visualize the surface of a bivariate kernel density estimate. I have a vector of bivariate observations(x,y), and a function which computes the kernel density estimate z corresponding to each observation. I cannot generate the (x,y) data in the ascending order needed by persp(x,y,z). I was wondering whether there is an R version of the S function interp. Would anybody

Dear All, I am trying to visualize the surface of a bivariate kernel density estimate. I have a vector of bivariate observations(x,y), and a function which computes the kernel density estimate z corresponding to each observation. I cannot generate the (x,y) data in the ascending order needed by persp(x,y,z). I was wondering whether there is an R version of the S function interp. Would anybody

...sons easier, an EU poll found yesterday. Last year's penalty against Interbrew, the world's No. 2 brewer, came along with fines on three smaller Belgian brewers and three in Luxembourg. The EU antitrust authority has also raided the offices of Royal Grolsch NV of the Netherlands and Birra Peroni of Italy. Probes of brewers in France, the Netherlands and Portugal are continuing, the commission said without naming the companies. Unlike in the U.S., there are no provisions under EU law for victims of a cartel to obtain damages, or for the perpetrators to face criminal proceedings. (Bloom...