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Subject: Re: [office-formula] List of functions in OpenFormula, dealingwith LEGACY.*

On Mon, 2008-06-09 at 00:28 -0400, David A. Wheeler wrote:
> By the way, a _hearty_ "Welcome back!!" to
> Andreas J Guelzow.  His membership did briefly expire,
> but thanks to some quick action in OASIS, he is back on-board.
> For which I'm VERY glad!
> I'll have to re-read several times your thoughts about the LEGACY.*
> functions.  One particular thought, though -
> Instead of "LEGACY.CHIDIST", would it make sense to
> have the name note that it was a right-hand tail?
> (CHIDISTR or some such)?

Well, most distribution functions give densities and cumulative
distributions (left tails). So it does make sense to have them for "all"

If we also want to have right tails, we should either change teh
selector for the DIST functions to have 3 values rather than 2, or
introduce a DISTR for "all" distributions.

Currently the old CHIDIST sticks out in that it is different from the
rest. If we simply want to retain it as a legacy function for
compatibility then I think we should retain the name. Of course we could
also rename t to LEGACY.CHISQDISTR


"Liberty consists less in acting according to
one's own pleasure, than in not being subject 
to the will and pleasure of other people. It 
consists also in our not subjecting the wills 
of other people to our own."  Rousseau

Prof. Dr. Andreas J. Guelzow
Dept. of Mathematical & Computing Sciences
Concordia University College of Alberta

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