[R] extract year or month from date

[Gabor Grothendieck]

Read the help desk article on dates in R News 4/1.

On 10/9/07, Mary Royerr <mroyerr at gmail.com> wrote:
> Hi,
>
> I am having trouble extracting just the year or the month or the day from a
> date such as 5/7/2007 which is May 7th 2007. Is there any particular
> function to extract just the year from this format?
>
> When I am reading this data from a text file it is reading it correctly in
> the same format but does not acknowlede it as date but as a factor. If I try
> as.date(5/7/2007) then it is converting it to 1Jan1960. Weird it is. Any
> help on that front?
>
> Any help is greatly appreciated.
>
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