Author: Peter McKenzie
Date: 16:45:40 08/22/03
Go up one level in this thread
On August 22, 2003 at 05:31:13, Uri Blass wrote: >On August 22, 2003 at 04:53:11, Gian-Carlo Pascutto wrote: > >>On August 22, 2003 at 04:43:52, Uri Blass wrote: >> >>>Maybe there is a misunderstanding. >>>I did not mean to say that it is statistically significant when I said >>>evidence. >> >>There's a difference between an indication and evidence. > >Ok > >I will use the word indication later. > >I thought that the meaning of evidence is different. > >There are cases when a person is considered to be not quilty of a crime because >the evidence against him is not enough(I hope that I do not do wrong translation >from hebrew to english). > >I know that statistics is not used for these decisions but free generalization >of the meaning of evidence led me to believe that it means indication that >program A is better than B. > >> >>>The point is that even if the data is not statistically significant it suggests >>>something >> >>That is true. >> >>>and I do not think that it is right to ignore the data only because >>>of the fact that it is not statistically significant. >> >>I think it is. (I don't use a hard threshold obviously, but I do >>need a strong indication it wasn't just luck.) >> >>>I know that there are programmers who do not do it >>>see >>>http://www.f11.parsimony.net/forum16635/messages/52921.htm >>>for comparison that he used to decide that the change is not productive >>>see >>>http://www.innconx.com/~wildcat/279.html >>>http://www.innconx.com/~wildcat/282.html >>> >>>282 scored one point more than 279 but the programmer decided not to accept the >>>change. >> >>If I look at that, I conclude that it's either not making a difference >>or the difference is too small to worry about. > >The point is that if I have to choose which version to use in a tournament I >tend to choose 282 and not 279. > >I agree that the difference is very small and may be even to the opposite >direction than the direction that I guess. >> >>>Of course the difference is too small to get significant results but there is a >>>basis to give bigger probability to the event that 282 is better and not to the >>>event that 279 is better. >> >>It's way to small to make a decision on. > >I see no reason not to make a decision to use 282 >Using 279 is also a decision and using 282 seems to me slightly better decision. good post > >Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.