You need the day to convert to a date format. Assuming day=15:
x.date <-
as.Date(paste(as.character(x),"-15",sep=""),format="%Y-%m-%d")
> -----Original Message-----
> From: alessandro carletti [mailto:alxmilton at yahoo.it]
> Sent: Wednesday, August 10, 2005 9:37 AM
> To: rHELP
> Subject: [R] date format
>
>
> Hi,
> I have a problem with a vector (x) containing dates in
> format "yyyy-mm" (I'm working with monthly means): how
> can I convert it in date format, so that I can plot it
> recognising trends for my variables?
> class(x) says: factor
> Thanks
> Alex
>
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