Try this:
library(zoo)
as.yearmon(x, "%Y-%B")
On Fri, Sep 17, 2010 at 4:23 PM, Joshua Wiley <jwiley.ps...@gmail.com>wrote:
> Hi all,
>
> Is there a built in or easier way to work with dates that are *just*
> Year-Month?
> Right now I paste() on a day as a work around, but it ultimately needs to
> be
> in Year-Month form, so then I use format() to get rid of the day.
>
> x <- c("2006-December", "2006-July")
> x <- paste(x, "-01", sep='')
> x <- as.Date(x, "%Y-%B-%d")
> x <- sort(x)
> x <- format(x, format = "%Y-%B")
> > x
> [1] "2006-July" "2006-December"
>
> Thanks,
>
> Josh
>
>
> --
> Joshua Wiley
> Ph.D. Student, Health Psychology
> University of California, Los Angeles
> http://www.joshuawiley.com/
>
> ______________________________________________
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--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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