[R] difference between date and times

[Gabor Grothendieck]

See R News 4.1 and particularly the table at the end of the relevant article.

On Tue, Feb 23, 2010 at 9:48 AM, karine heerah <karine.heerah at hotmail.fr> wrote:
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> Hi,
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> I have date and time in a format like this: " 2007-02-21 05:19:00".
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> Do you which function i can use to derterminate the difference in time between this value and an other one.
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> For exemple:
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> this one : 2007-02-21 05:19:00
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> and this one : 2007-02-20 14:21:53
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>
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> Thanks a lot,
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> Karine H.
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