I thought it might be a floating issue but didn't see the connection. Thanks everyone.
On Tue, Oct 9, 2018, 2:00 PM Benoit Vaillant <benoit.vaill...@no-log.org> wrote: > Hello, > > On Tue, Oct 09, 2018 at 01:14:54PM -0400, Ryan Derickson wrote: > > Apologies if this is a simple misunderstanding. > > See for example: > > https://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f > > > round((.575*100),0) gives 57 > > round(57.5,0) gives 58 > > > > Why? > > Not R related at all. > > $ python > Python 2.7.13 (default, Sep 26 2018, 18:42:22) > [GCC 6.3.0 20170516] on linux2 > Type "help", "copyright", "credits" or "license" for more information. > >>> round((.575*100),0) > 57.0 > >>> round(57.5,0) > 58.0 > > Same "issue". :) > > You'll need to dig into how numbers are floating numbers are > represented in a finite set. > > Cheers, > > -- > Benoît Vaillant > [[alternative HTML version deleted]] ______________________________________________ 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.
