[R] Parsing unusual date format

[Gabor Grothendieck]

Try using the yearmon class in zoo:

> library(zoo)
> d <- c("1990m3", "1992m8")
> ym <- as.yearmon(d, "%Ym%m")
> ym
[1] "Mar 1990" "Aug 1992"
> as.Date(ym)
[1] "1990-03-01" "1992-08-01"


On Thu, Dec 18, 2008 at 1:14 AM, Shruthi Jayaram
<shruthi.jayaram.85 at gmail.com> wrote:
>
> Hello,
>
> If I have a character string like
>
> d <- c("1990m3", "1992m8") #March 1990 and Aug 1992
>
> what is the easiest way to convert it into any standard date form; for
> example,
>
> d <- c("01/03/1990", "01/08/1992")
>
> I looked at as.Date but it doesn't seem to address my problem as I have an
> "m" stuck in the middle of my character string which R does not recognise.
>
> Would be very grateful for any help on this.
>
> Shruthi
> --
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