Preliminary version of ts package

Prof Brian D Ripley
Tue, 27 Jul 1999 20:09:40 +0100 (BST)

On Tue, 27 Jul 1999, Paul Gilbert wrote:

> Brian
> I haven't got far, but here are some initial problems:
> > start(1:10)
> S:  [1] 1 1
> ts: 1
> > end(1:10)
> S: [1] 10  1
> ts: 10

What's wrong with that?  S looks silly to me: you only need the second
component for seasonal series, and 1:10 is not seasonal.

In general, I am not trying to clone S, most notably as S-PLUS uses class
rts not ts, so very little code exists that uses S's class ts. Surely the
point of R is not _better_?  There are lots of detail improvements,
with more to come.

> window.ts  should handle NULL for default start and end values. If it is going
> to print a warning then it needs warn=F to suppress the warning. Below is a copy
> of my window.ts, but it would require a few minor changes to work without my
> tframe library.

I have not changed window.ts. I'll take a look.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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