On 9/4/07, Christoph Heibl <[EMAIL PROTECTED]> wrote: > Hi list, > > The function is.integer tests if an object is of type integer: > > see e.g.: > > is.integer(12) # FALSE > is.real(12) # TRUE > mode(12) # "numeric" > > But how can I test if a number is actually an integer? R seek is > difficult to search in this case because it mainly yields entries > about the integer()-function family. > > Thanks for any hint! > Christoph Heibl > > ______________________________________________ > R-help@stat.math.ethz.ch 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. >
How about x<- c(12,12.66) trunc(x)==x ? -- Gustaf Rydevik, M.Sci. tel: +46(0)703 051 451 address:Essingetorget 40,112 66 Stockholm, SE skype:gustaf_rydevik ______________________________________________ R-help@stat.math.ethz.ch 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.