try this:
> x <- 2009.004
> # get the number of days in the year
> days <- unclass(as.POSIXct(paste(floor(x)+1, "-1-1",
sep='')) -
+ as.POSIXct(paste(floor(x), '-1-1',
sep='')))> # now compute the number of seconds from start of year
> current <- as.POSIXct(paste(floor(x), '-1-1', sep='')) +
days * (x %% 1) * 86400
> current
[1] "2009-01-02 11:02:23 EST">
On Mon, Jul 27, 2009 at 8:00 AM, Chuse chuse<chuse22 at gmail.com>
wrote:> Dear R collegues,
>
> I am trying to change a ts time such as 2009.004 to a str or POSIX
> class as "2009-01-01".
> Is there any function or method to do it?. Thank you beforehand.
>
> Chuse.
>
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?