Short answer: don't do that. The format function is for preparing data for output. Do your data manipulations on a data frame you keep for such use, and only use format to prepare for output.
"n.via...@libero.it" <n.via...@libero.it> wrote: >Dear R list >I have a problem with NA, which should be a string, but R seems that it >doesn't recognize it. What I do is first give the format command to my data >frame: > >format.data.frame(mydata,big.mark=" ") > >so I give a blank as thousand separator. All my records in my data frame >become strings, so instead of having NA I have "NA". I try to convert "NA" in >".",but it seems that R doesn't recognize "NA". > >Someone knows why and how to treats those "NA"?? > > >Thanks for your attention > >______________________________________________ >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. --------------------------------------------------------------------------- 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. ______________________________________________ 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.
