On Mon, 2 Aug 2010, Costas wrote:
> Hi,
>
> I have to zoo real valued time series "a" and "b" same
length.
>
> is index(a)<-index(b) same as time(a)<-time(b)?
Yes.
> Which one is better?
Neither.
index() has been introduced because zoo series do not necessarily have to
be indexed by "time". In such situations it might feel unnatural to
use
time().
Vice versa, when the data are indeed a time series, time() is more
natural.
Internally in zoo functions, we typically use index. Personally, when
doing time series calculations, I use time().
Best,
Z