Re: Information-theoretic functions

David Bateman <[email protected]> Mon, 20 Nov 2006 14:07:56 +0100
Newsgroups gmane.comp.gnu.octave.sources
Message-ID <[email protected]>
Joseph Wakeling wrote:
> Hello all,
>
> For my own private work with Octave I have prepared a set of
> information-theoretic functions which I thought I would offer to the
> community.
>
> >From browsing the archives I recognise that another user recently
> contributed a similar set of functions, but the .tar.gz attachment was
> not available, so I could not compare.  I would very much like to see
> those if possible.
>
> My own functions include one which I think was not in the earlier
> bundle, to calculate the information gain ratio or uncertainty coefficient.
>
> One problem, which I'm not sure how to get round, is in the main
> information entropy function: it requires vectors at input, but at
> present only works with row or column vectors, i.e. not with vectors
> where the active dimension is > 2.
>   
You should check with Muthu Annamalai for the overlap with his info
theory functions in octave-forge, if any, and get these committed to
octave-forge. Perhaps Muthu can do the commit for you..

D.

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David Bateman                                [email protected]
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