See http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f
Michael On Sat, Nov 17, 2012 at 12:56 PM, Gonçalo Ferraz <gferra...@gmail.com> wrote: > I just found a problem that may be causing an error in a computation with > very small numbers: > > I tell R that > > thetaP <- 5.531003 > > and when I ask R to show me thetaP with more precision, it gives me > > thetaP > [1] 5.531003000000000114 > > and even more surprising, if I write > > thetaP <- 5.531003000000000000 > > again, I get: > > thetaP > [1] 5.531003000000000114 > > Is this supposed to happen? > > Is there a way to avoid it? > > Thank you for any advice. > > Gonçalo > > ______________________________________________ > 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. ______________________________________________ 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.
