Re: [R] classes with chron slots

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Fri 24 Jun 2005 - 00:13:31 EST

On 6/23/05, Gabor Grothendieck <ggrothendieck@gmail.com> wrote:
> On 6/23/05, Sebastian Luque <spluque@gmail.com> wrote:
> > Thanks a lot Martin and Gabor!
> >
> >
> > On Thu, 23 Jun 2005 08:20:44 -0400,
> > Gabor Grothendieck <ggrothendieck@gmail.com> wrote:
> >
> > [...]
> >
> > > Also if you are referring to the chron package then
> > > the names of the chron classes are 'dates' and 'times' -- not 'chron'.
> >
> > However, when the object has both dates and times, then the class becomes
> > 'chron', inheriting both 'dates' and 'times':
> >
> > R> class(x)
> > [1] "chron" "dates" "times"
>
>
> Did you try the example I posted? Its self contained and reproducible and
> it inherits from both "dates" and "times" yet there is no "chron" in the class
> vector, at least in that case.
>

Just to be clear, the point is that you need to be sure that your chron objects really have class "chron" since one often speaks of chron objects that are of class dates or times but not chron.

This may or may not be a problem for you but I thought it worthwhile pointing out just in case.



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