All, Apologies for the thread issue, and many thanks for the pointers to the FAQs.
Thanks, M On 04/02/2014 10:14 PM, Jeff Newmiller wrote: > It is poor netiquette to reply to a thread with a different subject. Please > start a new thread for a new subject. > > As for your question, see FAQ 7.31. This is standard floating point numerical > limitations at work. > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go Live... > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... > Live: OO#.. Dead: OO#.. Playing > Research Engineer (Solar/Batteries O.O#. #.O#. with > /Software/Embedded Controllers) .OO#. .OO#. rocks...1k > --------------------------------------------------------------------------- > Sent from my phone. Please excuse my brevity. > > On April 2, 2014 4:32:26 AM PDT, Michael Smith <my.r.h...@gmail.com> wrote: >> All, >> >> I'm getting this: >> >>> sprintf("%.17f", 0.8) >> [1] "0.80000000000000004" >> >> Where does the `4` at the end come from? Shouldn't it be zero at the >> end? Maybe I'm missing something. >> >>> sessionInfo() >> R version 3.0.2 (2013-09-25) >> Platform: x86_64-redhat-linux-gnu (64-bit) >> >> locale: >> [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C >> LC_TIME=en_US.utf8 >> [4] LC_COLLATE=en_US.utf8 LC_MONETARY=en_US.utf8 >> LC_MESSAGES=en_US.utf8 >> [7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C >> >> [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 >> LC_IDENTIFICATION=C >> >> attached base packages: >> [1] stats graphics grDevices utils datasets methods base >> >> >> Thanks, >> >> M >> >> ______________________________________________ >> 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. > ______________________________________________ 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.