This happens because "123e" looks like exponential form. This string has no exponent, so it gets treated as 0 exponent.
If you're interested in converting hex numbers, append 0x: as.numeric("0x123a") or use strtoi: strtoi("123a", 16) On Wed, May 1, 2024, 15:24 Carl Witthoft <cello...@gmail.com> wrote: > Hello. > I'm running R 4.4.0 on an iMac Venture 13.5.2 . There appears to be a bug > in as.double(). > > Create a string with a numeric digits followed by a single letter a thru f > (as tho' it's base 16). > > for K in (a,b,c,d, and f ) , as.double( '123K') returns NA > but as.double('123e') returns 123 -- or whatever the first digit is. > > Please let me know if there are additional tests I can try . > > > thanks > Carl Witthoft > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.