[R] Microseconds for a zoo object?
Creighton, Sean
sean.creighton at citi.com
Thu May 8 15:58:01 CEST 2008
Hello
I have a string which contains microseconds, can anyone help on
constructing this in to a time object, with the microseconds, that I can
take to a ZOO file?
Thanks
Sean
> UK[1,3]
[1] "17:09:53.824"
> UK[1,1]
[1] "2007-12-11 00:00:00"
> mydates <- paste( substr(UK[,1], 1, 10), UK[,3])
> mydates[1]
[1] "2007-12-11 17:09:53.824"
> is(mydates)
[1] "character" "vector"
> dt1 <- as.POSIXct(strptime(as.character(mydates),"%Y-%m-%d
%H:%M:%S",tz="GMT"))
> dt1[1]
[1] "2007-12-11 17:09:53 GMT"
> is(dt1)
[1] "POSIXt" "oldClass" "POSIXct" "POSIXlt"
>
>
More information about the R-help
mailing list