Hi Jerad,
Thanks for your quick response. I have installed the zoo using R CMD INSTALL zoo_1.4-1.tar.gz but the R could not recognize rollmean- wondering why? With regards, Abu _________________________________________________________________ [[replacing trailing spam]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
