Hello,everyone: I met this notation when I read the original code of function "quantile".There is one sentence as below:>eps <- 100 * .Machine$double.epswhen I input ".Machine$double.eps" in R, it returns "[1] 2.220446e-16". Can anyone show me the exact meaning about that? thanks Saji from Shanghai
Saji Ren wrote:> > Hello,everyone: > > I met this notation when I read the original code of function > "quantile".There is one sentence as below: >>eps <- 100 * .Machine$double.eps > > when I input ".Machine$double.eps" in R, it returns "[1] 2.220446e-16". > Can anyone show me the exact meaning about that? >In R, type ?.Machine and you will have your answer Berend -- View this message in context: http://n4.nabble.com/What-is-Machine-double-eps-tp978309p978329.html Sent from the R help mailing list archive at Nabble.com.
See ?.Machine>>> "Saji Ren" <saji.ren at gmail.com> 24/12/2009 06:07:27 >>>Hello,everyone: I met this notation when I read the original code of function "quantile".There is one sentence as below:>eps <- 100 * .Machine$double.epswhen I input ".Machine$double.eps" in R, it returns "[1] 2.220446e-16". Can anyone show me the exact meaning about that? thanks Saji from Shanghai ______________________________________________ R-help at 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. ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}}