Re: [Rd] chron vs. POSIX

From: Gabor Grothendieck <>
Date: Fri 14 Jul 2006 - 20:32:04 GMT

On 7/14/06, Dirk Eddelbuettel <> wrote:
> On 14 July 2006 at 14:38, Sebastian Luque wrote:
> | If Gabor's recommendations are to be followed, wouldn't it make sense to
> | include chron in base R? Given that flexibility for handling time
> Future historians will provide a fuller account of the extended debates, but
> my reading of these discussions here over the last few years leaves me with
> the impression that Gabor is arguing for chron in a manner that is
> simultaneously informed, polite, persistent and yet ... utterly isolated.
> Date and POSIXt have served me well over the last few years. They are
> maintained and being extended [ 1 ]. Chron, to the best of my knowledge, is
> dead code so I'd bet against it appearing in core R any time soon.
> Regards, Dirk
> [ 1 ] I had some pleasant exchanges with Brian Ripley where I was able to
> suggest a few extension relative to the new millisecond granularity in POSIXt
> and its interfaces.

Recent releases of chron include

(this may not be a complete list of recent releases) so I would characterize chron as actively maintained and given the occasional question on r-help its likely that its widely used too. mailing list Received on Sat Jul 15 06:34:49 2006

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