I am sorry to bother you with an applications question. I work for the FAA and have need to smooth radar track data. Seems that all the smoothing techniques assume functional data. Any help would be greatly appreciated. Best Regards, Scott Summerill ~~~~~~~~~~~~~~~~~~~ WJH FAA Technical Center Mail Stop ACT250 Atlantic City Int'l Airport Atlantic City, NJ 08405 Phone 609-485-6377 Fax 609-485-5457 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._