From iuke-tier@ey m@iii@g oii uiow@@edu  Mon Apr  6 03:36:25 2020
From: iuke-tier@ey m@iii@g oii uiow@@edu (iuke-tier@ey m@iii@g oii uiow@@edu)
Date: Sun, 5 Apr 2020 20:36:25 -0500 (CDT)
Subject: [Rd] [External] Re: Help useRs to use R's own Time/Date objects
 more efficiently
In-Reply-To: <CAB8pepyoxxxk=AhrTcJ4diUede__hq_B4wD90x990y+Bivvnmg@mail.gmail.com>
References: <24200.22596.187327.474564@stat.math.ethz.ch>
 <CAB8pepzAzCrg0yc3d2H_pN9Lc+6TQGLtjUGLY63QDC_iCeDZyw@mail.gmail.com>
 <CAB8pepyoxxxk=AhrTcJ4diUede__hq_B4wD90x990y+Bivvnmg@mail.gmail.com>
Message-ID: <alpine.DEB.2.21.2004052035200.3035@luke-Latitude-7480>

On Mon, 6 Apr 2020, Abby Spurdle wrote:

>> (1) Create a top-level help page with a title like "Date and Time
>> Classes" to give a brief but general overview. This would mean the
>> existing DateTimeClasses would need a new title.
>
> I wanted to modify my first suggestion.
> Perhaps a better idea would be to reference an external document
> giving an overview of the subject.
> I couldn't find a discussion of POSIXct/POSIXlt objects in the R
> manuals (unless I missed it somewhere), so perhaps "An Introduction to
> R" could be updated to include this subject, and then the help files
> could reference that?
>
> Mark Leeds has already mentioned one possible (unofficial) source.
> And I suspect that there are others.

Not entirely unofficial as it waw published in R News:

@article{grothendieck2004r,
   title={R help desk: Date and time classes in R},
   author={Grothendieck, Gabor and Petzoldt, Thomas},
   journal={R News},
   volume={4},
   number={1},
   pages={29--32},
   year={2004}
}

Best,

luke

>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>

-- 
Luke Tierney
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa                  Phone:             319-335-3386
Department of Statistics and        Fax:               319-335-3017
    Actuarial Science
241 Schaeffer Hall                  email:   luke-tierney at uiowa.edu
Iowa City, IA 52242                 WWW:  http://www.stat.uiowa.edu



[Rd] [External] Re: Help useRs to use R's own Time/Date objects more efficiently
iuke-tier@ey m@iii@g oii uiow@@edu