Ok, conversion to POSIXct does the trick - why doesn't tapply work with the other, not-obviously-improper POSIX type?
(Incidentally, now it gives me more trouble, with sorting - a reproducible sample coming up in another thread). -- View this message in context: http://r.789695.n4.nabble.com/Failure-to-aggregate-tp2528613p2533311.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.
