You are getting round-off problems (I think it is FAQ 7.33). Use characters since thats what the numbers really are. Convert the characters and then use substring. Also sprintf works:
> sprintf("%.2f", A*100) [1] "470990.00" > sprintf("%.2f", A) [1] "4709.90" > On 10/4/07, Renger van Nieuwkoop <[EMAIL PROTECTED]> wrote: > Hi > > I have the following problem: I have a lot of numbers that identify > import goods according to the Harmonised System (8 numbers in two groups > with a dot in between). I want to move to the > 6 numbers (4 numbers, dot, two numbers). My trick to do this works for > all the numbers in the Harmonised Sytem but not for this one: > > A<-4709.9000 > (A<-floor(100 * A ) / 100) = 4709.89 > > But this has to be 4709.90 > > If I do this in Excel it works fine...Any idea how to make sure that I > get 4709.90 and not 4709.89? > > Renger > > > > _________________________________________________ > > ECOPLAN > Forschung und Beratung in Wirtschaft und Politik > Economic Research and Policy Consultancy > > Thunstrasse 22 / CH-3005 Berne (Switzerland) > Phone: +41 31 356 61 61 / Fax: +41 31 356 61 60 > mailto:[EMAIL PROTECTED] / http://www.ecoplan.ch> > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.