Re: [R] difftime result in years?

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 <[EMAIL PROTECTED]> wrote: > I would like to know how many years (including partial years) are between > two dates. > > So difftime("20/11/

[R] difftime result in years?

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 [[alternative HTML version deleted]]