Think astronomy. https://en.m.wikipedia.org/wiki/Hour_angle --------------------------------------------------------------------------- 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 November 4, 2015 12:02:46 AM PST, Martin Maechler <maech...@stat.math.ethz.ch> wrote: >>>>>> Bert Gunter <bgunter.4...@gmail.com> >>>>>> on Tue, 3 Nov 2015 14:54:46 -0800 writes: > > > ... should have said: with a 24 hour "clock". > > -- Bert > > Bert Gunter > >Hmm, thank you Bert. > >I know nothing about measuring time in radians, and for me, >'radians' are angles, and hence we are talking about >analogue watches when measuring time with them, and now, as a >citizen from "the watch maker country" I do like analogue >watches or let's nowadays say "graphical" watches, i.e., with clock >faces and short and long (hour and minute) hands, and I think I >have only ever seen 12 h watches at least on church towers (yes, >here in CH) or wrist watches... >(?) > >Martin >(Maechler, ETH Zurich, Switzerland) > >> On Tue, Nov 3, 2015 at 2:52 PM, Bert Gunter <bgunter.4...@gmail.com> >wrote: > >> Hint: 24 hours = 24x60 = 1440 minutes = 2 pi radians. > >> > >> Cheers, > >> Bert > >> Bert Gunter > >> >>> "Data is not information. Information is not knowledge. And >knowledge > >> is certainly not wisdom." > >> -- Clifford Stoll > >> > >> >>> On Tue, Nov 3, 2015 at 2:00 PM, Typhenn Brichieri-Colombi via R-help > >> <r-help@r-project.org> wrote: > >>> Hello, >>>> I am using the "activity" package developed by Marcus Rowcliffe >(released in February, 2015). This package uses time in radians to >estimate activity. I have camera trap data in 24 hour times (hh:mm) - >how do I convert these into radians? (e.g. My time-of-detection at >19:44, how do I convert this into radians?) > >>> Thank you for your time and your help > >>> [[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. > >______________________________________________ >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.