Hello, There's a difference between the displayed value and the internally stored. You could use options(digits=10), but this is a global option, and will affect all future numerical output. default value is 7
> p <- "1087.003489" > as.numeric(p, digits=6) [1] 1087.003 > options(digits=10) # set output precision > as.numeric(p, digits=6) [1] 1087.003489 > for more information look here: http://stackoverflow.com/questions/4540649/retain-numerical-precision-in-an-r-data-frame regards calin On Thu, Jul 2, 2015 at 3:56 PM Bos, Roger <roger....@rothschild.com> wrote: > I have a string that contains a number and when I convert it to a number I > loose precision and I would like to know if there is a way to avoid that. > Here is my example: > > p <- "1087.003489" > as.numeric(p, digits=6) > > R gives me 1087.003: > > > p <- "1087.003489" > > as.numeric(p, digits=6) > [1] 1087.003 > > I would be nice if I could keep all the decimal places after the > conversion. > > Thanks, > > Roger > > > > > > *************************************************************** > This message and any attachments are for the intended recipient's use only. > This message may contain confidential, proprietary or legally privileged > information. No right to confidential or privileged treatment > of this message is waived or lost by an error in transmission. > If you have received this message in error, please immediately > notify the sender by e-mail, delete the message, any attachments and all > copies from your system and destroy any hard copies. You must > not, directly or indirectly, use, disclose, distribute, > print or copy any part of this message or any attachments if you are not > the intended recipient. > > ______________________________________________ > 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.