Dear usRers, I want to judge virable is or not a integer? e.g. is.integer(1) FALSE because it is a numeric, but i want it's true. as.integer may not be used. because i don't know a is 1 or 1.1.
-- PO SU mail: desolato...@163.com Majored in Statistics from SJTU ______________________________________________ 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.
