[R] datetime data and plotting

Tony Plate tplate at blackmesacapital.com
Fri Oct 17 21:52:29 CEST 2003


At Friday 02:20 PM 10/17/2003 -0400, Gabor Grothendieck wrote:
>[material deleted]
>Time zones are not part of the problem yet POSIXt forces this
>extraneous complication on you.  chron has no time zones in the
>first place and therefore allows you to work in the natural frame
>of the problem, avoiding subtle problems like this.
>
>This sort of thing has been discussed a number of times and I
>had previously suggested that chron be moved to the base or else that
>a timezone-less version of POSIXt be added to the base.  See:
>https://stat.ethz.ch/pipermail/r-devel/2003-August/027269.html

I also see the usefulness of a time-zone-free time/date class, but why
does "chron" need to be moved to the base to be useful here?

-- Tony Plate




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