Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!samsung!zaphod.mps.ohio-state.edu!usc!brand.usc.edu!manj From: manj@brand.usc.edu (B. S. Manjunath) Newsgroups: comp.ai.neural-nets Subject: Re: back-prop NNs and `SAS' regression! Keywords: Back Propagation, Approximation theory Message-ID: <21845@usc.edu> Date: 18 Dec 89 19:10:36 GMT References: <220700005@uxe.cso.uiuc.edu> Sender: news@usc.edu Reply-To: manj@brand.usc.edu (B. S. Manjunath) Organization: University of Southern California, Los Angeles, CA Lines: 22 In article <220700005@uxe.cso.uiuc.edu> kbesrl@uxe.cso.uiuc.edu writes: > > >I have been experimenting with back-prop neural nets for the past >few months. I find that they are only as good as polynomial >regression. Actually, I ran a back-prop neural net on some >continuous mapping problems and found that they achieved the >same performance as the `SAS' statistical package. > >I am wondering whether this is true of other neural models. >If so, how can one defend the use of neural nets as opposed to >statistical regression. If someone can give me pointers to any >papers that discuss these aspects, it would be appreciated. > >sudha@kbesrl.me.uiuc.edu >sudhakar y. reddy You might be interested in a Technical report by T. Poggio and F. Girosi , "A theory of Networks for Approximations and Learning" AI Memo #1140, M.I.T. AI Lab, July 1989. B.S. Manjunath