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. -- David Bateman [email protected] Motorola Labs - Paris +33 1 69 35 48 04 (Ph) Parc Les Algorithmes, Commune de St Aubin +33 6 72 01 06 33 (Mob) 91193 Gif-Sur-Yvette FRANCE +33 1 69 35 77 01 (Fax) The information contained in this communication has been classified as: [x] General Business Information [ ] Motorola Internal Use Only [ ] Motorola Confidential Proprietary