[R] Re:Time-Series

[Prof Brian Ripley]

On Thu, 13 Jan 2005, Achim Zeileis wrote:

> On Thu, 13 Jan 2005 13:54:43 +0100 (CET) Vito Ricci wrote:
>
>> you can address to a single ts in a multivariate ts
>> object by namets[,index]. See this example:
>
> Note, that index can also be a string and not only the index number. You
> wanted to have the analogue of z$energy which could also be
>  z[, "energy"]

The point is that an object of class "mts" is normally a matrix and 
certainly matrix-like (ts.union can make a data frame of that class), so 
matrix indexing works: see `An Introduction to R' for the details.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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