R devel - Oct 1999 - Your Message Sent on Fri, 22 Oct 1999 13:19:12 -0700

> Date: Fri, 22 Oct 1999 13:19:12 -0700
> To: r-devel@stat.math.ethz.ch
> From: Eli Ateljevich <eli@ce.berkeley.edu>
> 
> Hi.
> I love R. I have had two compatibility issues in shifting my code over from
> Splus
> 
> cts,rts, its:    are there any plans to incorporate these classes?
No. R is not S-PLUS, and is `not unlike S'. Those are S-PLUS proprietary
extensions to S.  Given how little depends on them, I suggest you
look hard at the R `ts' class (which S does not have) as it does
much of what rts does in S-PLUS.
> regexpr: R does not seem to have any regular expression matching function,
> although that capability seems like it would be fairly simple to add for
> someone who knew what they were doing, since the internal code is already
> there and someone would just have to write a wrapper. If someone explained
> the steps to adding an internal function I would give it a shot.
It does have sub and gsub that will do a lot of what you want, but I do
plan to add a version of regexpr fairly soon, as I miss it too.

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
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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