Standard answer: bootstrap. However, "derived empirically" is too vague to know whether the standard answer applies.
As this appears to be primarily a statistics, not an R issue, I suggest that you post on a statistics list like stats.stackexchange.com instead, perhaps with some more details on what "derived empirically" means. Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Sun, Jan 3, 2016 at 2:57 PM, Wensui Liu <liuwen...@gmail.com> wrote: > If I have predictions derived empirically without knowing the functional > form, is there a way to calculate the prediction interval? > > Thanks > > > -- > WenSui Liu > https://statcompute.wordpress.com/ > > [[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. ______________________________________________ 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.
