[R] as.Date

[David Winsemius]

On Feb 8, 2011, at 11:15 AM, Valeri Fabio wrote:

> Hi everybody,
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> I have a strange behavior of the as.Date() function.

No, you have a programming error.

> For example:
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> as.Date(36525, origin="1900-01-01'")

You have a superfluous "'"

 > as.Date(36525, origin="1900-01-01")
[1] "2000-01-02"

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> I would expect to get 2000-01-01. But R gives me
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> [1] "2070-01-01"
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> I tried with several origins but the results are still the same. It
> seems that the origin does not apply and remains 1970-01-01.
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> Does anyone can give me a hint  how to solve this problem?
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> Thanks very much.
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> Fabio
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> ------------------------------------------------------------------------
> ---
>
> Fabio Valeri, MSc
>
> University of Bern
>
> Institute of Social and Preventive Medicine
>
> Division of International & Environmental Health
>
> Finkenhubelweg 11 - CH-3012 Bern
>
> Tel +41 (0)31 631 35 10 - Fax +41 (0)31 631 35 20 - www.ispm.ch
>
>
>
>
> 	[[alternative HTML version deleted]]
>
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David Winsemius, MD
West Hartford, CT