On Thu, 15 Dec 2005 14:21:17 -0500, Strickland, Matthew wrote: SM> Hi, SM> SM> My data consists of a set of point locations (x,y). SM> SM> I would like to know if there is a procedure for bivariate kernel SM> density estimation in R that returns the density estimates at the SM> observed point locations rather than at grid locations. I have SM> looked at a number of different routines and they all seem to SM> return estimates at grid locations. SM>
One option is to use (from package sm), sm.density(xy, eval.points=xy, eval.grid=FALSE) where xy in a (n\times 2) matrix. Best wishes, Adelchi Azzalini -- Adelchi Azzalini <[EMAIL PROTECTED]> Dipart.Scienze Statistiche, Università di Padova, Italia tel. +39 049 8274147, http://azzalini.stat.unipd.it/ ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
