Re: [computer-go] Re: A nearest-neighbor heuristic

2007-03-14 Thread Harri Salakoski
On Mar 13, 2007, at 23:27 , Peter Drake wrote: Hmmm -- p. 735 of Russell & Norvig's AI text contains a strong argument that "nearest-neighbor methods cannot be trusted for high- dimensional data". AFAIK that's because when you add more and more dimensions and try to calculate the distance b

Re: [computer-go] Re: A nearest-neighbor heuristic

2007-03-14 Thread Erik van der Werf
Given your original description I'm not so sure if what you're doing should actually be called a nearest neighbor method. It may be more like a decision tree... This said, the curse of dimensionality is a general problem which can come up with all similarity/distance based approaches using finite

Re: [computer-go] Re: A nearest-neighbor heuristic

2007-03-14 Thread Urban Hafner
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mar 13, 2007, at 23:27 , Peter Drake wrote: Hmmm -- p. 735 of Russell & Norvig's AI text contains a strong argument that "nearest-neighbor methods cannot be trusted for high- dimensional data". AFAIK that's because when you add more and more

[computer-go] Re: A nearest-neighbor heuristic

2007-03-13 Thread Peter Drake
Hmmm -- p. 735 of Russell & Norvig's AI text contains a strong argument that "nearest-neighbor methods cannot be trusted for high- dimensional data". Peter Drake http://www.lclark.edu/~drake/ On Mar 7, 2007, at 9:38 PM, Peter Drake wrote: First, a general hypothesis on heuristics: one sho