> On Jun 3, 2016, at 6:03 AM, Juan Andres Hernandez > <jhernandezcabr...@gmail.com> wrote: > > Can anybody explain me this weird result? > a=3 > as.integer(a) > 1] 3 > > a=(3/10)/0.1 > a > [1] 3 > > as.integer(a) > [1] 2 > > Thank's in advance > > Juan A Hernández
See: https://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f Also, note that as per the Value section of ?as.integer: "Non-integral numeric values are truncated towards zero..." > print((3/10) / 0.1, 20) [1] 2.9999999999999995559 > (3/10) / 0.1 == 3 [1] FALSE Regards, Marc Schwartz ______________________________________________ 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.
