[R] CRAN - Package "activity" - how do you convert time (hh:mm) into radians in R 3.1.2 on Windows 7 OS 64bit

[Jim Lemon]

Ah, Martin, how is it possible that you have never encountered the 24 hour
cuckoo clock?

http://www.lutececreations.com/fiche-schneider_black_forest_cuckoo_clock__24_hour_cuckoo_clock_mt_1139_9++de+la+marque-4297.html

Jim

On Wed, Nov 4, 2015 at 7:02 PM, Martin Maechler <maechler at stat.math.ethz.ch>
wrote:

> >>>>> Bert Gunter <bgunter.4567 at 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.4567 at 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 at 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 at 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 at 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 at 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.
>

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