[R] date handling

[paul sorenson]

d = as.POSIXlt(c("2005-07-01", "2005-07-02", "2005-07-03", "2005-07-04", 
"2005-07-05"))
d$mon and d$year will get you part way there.

That is assuming your dates are formated yyyy-mm-dd.  strptime() might 
also be useful.

Richard van Wingerden wrote:
> Hi,
> 
> Given a frame with calendar date's:
> 
> "2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc.
> 
> I want to extract the following from these dates:
> 
> week number
> month number
> year number
> 
> Any ideas how to accomplish this?
> 
> Many thanks.
> 
> Regards,
> Richard
> 
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