Matt, On 4/17/08, Matt Mahoney <[EMAIL PROTECTED]> wrote: > > As far as I can tell, it only gives medical advice based on your personal > agenda. It knows only what you program into it.
... in a way that many people can each contribute their own "advice". There simply isn't anything out there that is currently doing this yet, leaving only the Internet that is maybe 1% as valuable. > > I published a paper at the first IJCNN in San Diego explaining how > > everything pointed to wet neurons generally computing with the > logarithms of > > probabilities of assertions being true. That simple fact should have > guided > > future research, but lab researchers not being mathematicians, and > neither > > going to NN conferences, this guiding fact as died away like the echo of > > some long-forgotten noise. When a tree falls in the forest... > > I use the same technique in my PAQ7/8 data compressors (since Dec. 2005), > although I was not aware of your research. A set of models independently > estimate the probability p(0), p(1) that the next bit of input will be a 0 > or > 1 based on past history in various contexts. The predictions are mapped > to x > = log(p(1)/p(0)), combined by weighted averaging, ... thereby forming the logarithm of a weighted geometric mean, then mapped by the inverse > squashing function 1/(1+exp(-x)), which makes it a neural network. Then > the > weights are adjusted to favor the most accurate predictions in proportion > to > x*(actual - predicted), a simplification of back propagation that > minimizes > coding cost rather than RMS prediction error. Wouldn't be nice to have a processor that kerchunked on these at 10K/clock cycle? I should mention the technique works quite well. > http://www.maximumcompression.com/data/summary_sf.php Thanks for your comments. Steve Richfield ------------------------------------------- agi Archives: http://www.listbox.com/member/archive/303/=now RSS Feed: http://www.listbox.com/member/archive/rss/303/ Modify Your Subscription: http://www.listbox.com/member/?member_id=8660244&id_secret=101455710-f059c4 Powered by Listbox: http://www.listbox.com
