> 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 > ?mode > r = 12 > is.integer(r) [1] FALSE > is.double(r) [1] TRUE > i = as.integer(r) > storage.mode(r) [1] "double" > storage.mode(i) [1] "integer"
Paolo Sonego ______________________________________________ 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.
