That seems to work. I should add that to make "ave" work like "by" one can
do:
mydata$newvar <- ave(1:nrow(mydata), mydata$some_factor, FUN= function (x) {
x <- ds[x,]
# ... etc...
})
Thanks!
David
[[alternative HTML version deleted]]
______________________________________________
[email protected] 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.
