Hi Heather, I think the problem may be that you are trying to compare a date field and a character string. R helpfully tries to wrangle the two into comparable data types. While I don't know exactly what you have done, as R for:
as.numeric(alldata$new.date.local) and look at the value you get. Jim ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.