R help - Oct 2008 - Leap year?

Given a Date object or simply a year is there an R function to tell me if the it
is a leap year or not? I was hoping for something like 'is.leapyear'. I
probably can build my own function (year divisible by 4 etc.) but I would rather
use an existing function if it is available.

Thank you.

Kevin

<rkevinburton <at> charter.net> writes:
> 
> Given a Date object or simply a year is there an R function to tell me if
the
it is a leap year or not? I was hoping
> for something like 'is.leapyear'. I probably can build my own
function (year
divisible by 4 etc.) but I
> would rather use an existing function if it is available.
Simply try "leap year" on R site search. Many alternatives are
offered, package
chron has probably the most standard one.

Dieter

perhaps leapyear() 
http://finzi.psych.upenn.edu/R/library/pheno/html/leapyear.html



--- On Fri, 10/10/08, rkevinburton at charter.net <rkevinburton at
charter.net> wrote:
> From: rkevinburton at charter.net <rkevinburton at charter.net>
> Subject: [R] Leap year?
> To: "r-help" <r-help at r-project.org>
> Received: Friday, October 10, 2008, 10:29 AM
> Given a Date object or simply a year is there an R function
> to tell me if the it is a leap year or not? I was hoping for
> something like 'is.leapyear'. I probably can build
> my own function (year divisible by 4 etc.) but I would
> rather use an existing function if it is available.
> 
> Thank you.
> 
> Kevin
> 
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