Author: Maurizio De Leo
Date: 03:43:20 02/21/03
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Rolf, it seems that for one time you are using topics instead of personal attacks, so I will answer you. I agree with your point : there must be a "measurement unit". In races that is 0.01 seconds, in ski it is 0.001 sec. In SSDF that is **** 1 SSDF point ***** The program EloStat calculates rating which are integer number, even if real rating based on the result should have been 2713.56 or 2689.22 I don't know if it has happened in the past, but I'm pretty sure that if 2 programs finish in the list with the exactly same score, the SSDF would put them "ex-aequeo", as it's done when at the olympiad two athletes have the exact same time till to the measurement unit. So, see the SSDF like a competition : who arrives first, even for a millisecond or for a point, wins. A COMPLETELY different things is to decide "who is the best". Not always who wins olympiad is the best. For example the best could have had a little stomacache during the run, or in his lane the wind was blowing a tad more fast against him or so on. Of course if someone wins a lot of competitions, you can say : "I'm xx percent sure that he is the best" Same apply for the SSDF. Shrederr has "won the race", doesn't matter if it had a 1 or 100 points advantage. It is so the SSDF number 1. For who is the best......it all depends on your preferred confidence range. If you use the 95% standard the best is "one of the first 5 programs". But you can also change the confidence range, and this will shrink or enlarge the intervals. So you can easily say "I'm 20% or 25% sure that Shredder is the best" Of course if you want certainity you can also never have a leader. For 99% certainity the intervals will become around +-50 points while for 100% all you can say is "one of the contestant is the best" :-) So, bottom line is that Shredder is "SSDF number 1". It won the contest. For which is the best program, you should rely on an educated guess. Maurizio
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