[R] difftime result in years?

[Gabor Grothendieck]

Try this:


fmt <- "%d/%m/%Y"
d1 <- as.Date("20/11/1962", fmt)
d2 <- as.Date("20/5/1964", fmt)
julian(d2, d1)/365.25


On Tue, Apr 22, 2008 at 8:25 PM, Worik R <worikr at gmail.com> wrote:
> I would like to know how many years (including partial years) are between
> two dates.
>
> So difftime("20/11/1962", "20/5/1964", units="years") would be about 1.5
>
> But units of years are not available.
>
> cheers
> Worik
>
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