Thanks Dennis.
One more thing if you don't mind. How to I abstract the individual H and T “arrays” from f(m,o,l) so as I can combine them with a date/time array and write to a file? Sorry if it’s a simple question but I’m completely new to R. Cheers, Doug -- View this message in context: http://r.789695.n4.nabble.com/Data-Gaps-tp2993317p2994997.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.