A good reference is: *What Every Computer Scientist Should Know About Floating-Point* *...*<http://docs.sun.com/source/806-3568/ncg_goldberg.html>
http://docs.sun.com/source/806-3568/ncg_goldberg.html On 6/11/07, BXC (Bendix Carstensen) <[EMAIL PROTECTED]> wrote: > > I was a bit puzzed by: > > > formatC(6.65,format="f",digits=1) > [1] "6.6" > > So I experimented and found: > > > formatC(6.6500000000000001,format="f",digits=1) > [1] "6.6" > > formatC(6.650000000000001,format="f",digits=1) > [1] "6.7" > > round(6.6500000000000001,1) > [1] 6.7 > > round(6.650000000000001,1) > [1] 6.7 > > version > _ > platform i386-pc-mingw32 > arch i386 > os mingw32 > system i386, mingw32 > status > major 2 > minor 5.0 > year 2007 > month 04 > day 23 > svn rev 41293 > language R > version.string R version 2.5.0 (2007-04-23) > > My machine runs Windows NT. > > Is this intended or just a Windows facility? > ______________________________________________ > > Bendix Carstensen > Senior Statistician > > Steno Diabetes Center > Niels Steensens Vej 2-4 > DK-2820 Gentofte > Denmark > +45 44 43 87 38 (direct) > +45 30 75 87 38 (mobile) > +45 44 43 73 13 (fax) > [EMAIL PROTECTED] http://www.biostat.ku.dk/~bxc > > This e-mail (including any attachments) is intended for the ...{{dropped}} > > ______________________________________________ > [email protected] 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? [[alternative HTML version deleted]] ______________________________________________ [email protected] 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.
