[R] class of strptime() output

[Ben Bolker]

Jinsong Zhao <jszhao <at> yeah.net> writes:


> In the following code snippet,
> #
> a <- strptime("121114 0510", "%m%d%y %H%M")
> b <- data.frame(date = a, res = 1:5)
> class(a)
> class(b[1,1])
> #
> I am wondering why the class of a and b[1,1] are not the same.
> 
> How to make the class of a and b[1,1] to be same?

  How about

  a <- as.POSIXct(strptime(...)) 

?  (See ?POSIXct)