[R] unequalspaced time-series data

Jim Lindsey james.lindsey at luc.ac.be
Thu Jun 22 13:34:46 CEST 2000

> On Wed, 21 Jun 2000, Jim Lindsey wrote:
> > > 
> > > Dear R-users,
> > > 
> > > is there any object-type or routine/function in R which can handle
> > > unequally spaced time-series data? I know that there is the library
> > > OSWALD for S-Plus, which is able to do so, but I was not successful in
> > > running it under R. Does anyone can help?
> > 
> > My growth and repeated libraries will probably do what you want:
> > www.luc.ac.be/~jlindsey/rcode.html
> > Patrick and I tried to port Oswald to R about 4 years ago (and it still
> > runs on R 1.0.1), but Oswald is full of bugs.
> I also tried to port OSWALD (or at least the pcmid() informative dropout
> function) earlier this year.  I didn't find as many bugs as Jim reports,
> but there was a lot of complicated code designed to make S look more
> object-oriented than it really is, much of which needed complete rewriting
> to work in R.  I had hoped that porting pcmid() would be quicker than
> starting from scratch, but this probably wasn't the case.

The bugs generally only appear when using Oswald on complex data sets.
I am sure that Patrick would be happy to supply the port, as it stands
(working completely but from the Oswald version of 4 years ago) if it is of
help. Jim
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