> This doesn't help you immediately, but in the next couple of days I'll > be releasing the plyr function which would allow you do something > like:
Thank you! I'm looking forward to it! Meanwhile, Mark Leeds sent me exactly the code I needed. (Using split() to get df-s by country and then just using diff(log())). ______________________________________________ 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.
