Bill, what will be the fastest way to output not just single lines but small data frames of about 60 rows?
I prefer writing to a text file because the final output is large 47k times 60 rows and since I do not know the size of it I have to use rbind to build the object which creates the memory problems described here: http://www.matthewckeller.com/html/memory.html look at the swiss cheese paragraph. kind regards Stephen -- View this message in context: http://r.789695.n4.nabble.com/aggregate-with-cumsum-tp2992383p3324610.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.