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Re: [Bug-gnubg] Snowie error rates versus gnubg error rates
From: |
Joern Thyssen |
Subject: |
Re: [Bug-gnubg] Snowie error rates versus gnubg error rates |
Date: |
Sun, 6 Apr 2003 19:41:14 +0000 |
User-agent: |
Mutt/1.4i |
On Sun, Apr 06, 2003 at 12:10:03PM +0000, Joern Thyssen wrote
> ad (a): I've recieved a sample of 50 matches from Albert. I can use them
> to deduce an empirical conversion factor between gnubg and snowie error
> rates. This can be used to adjust the threshold for assigning the
> ratings "supernatural", "world class" etc, so gnubg and snowie are more
> aligned.
I've analysed close to 300 matches (50 from Albert and 250 from my own
archive), and the average conversion factor is 1.38 (std.dev. 0.37).
Snowie's thresholds are:
0.0 - 1.2: Extra-terrestrial
1.2 - 4.4: World class
4.4-5.9: Expert
5.9-8.8: Advanced
8.8-12.6: Intermediate
12.6-18.5: Beginner
18.5 - ??: Novice
I suggest the following change (pending the discussion):
gnubg's old gnubg's new
(based on a factor of ~1.4)
Supernatural 0.000 - 0.005 0.0000 - 0.0017
World Class 0.005 - 0.010 0.0017 - 0.0062
Expert 0.010 - 0.015 0.0062 - 0.0083
Advanced 0.015 - 0.020 0.0083 - 0.012
Intermediate 0.020 - 0.025 0.012 - 0.018
Casual Player 0.025 - 0.030 0.018 - 0.026
Beginner 0.030 - 0.060 0.026 - 0.035
Awful! 0.060 - oo 0.035 - oo
Jørn
- [Bug-gnubg] Snowie error rates versus gnubg error rates, Joern Thyssen, 2003/04/06
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates,
Joern Thyssen <=
- RE: [Bug-gnubg] Snowie error rates versus gnubg error rates, Albert Silver, 2003/04/06
- RE: [Bug-gnubg] Snowie error rates versus gnubg error rates, Albert Silver, 2003/04/06
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates, Joern Thyssen, 2003/04/06
- RE: [Bug-gnubg] Snowie error rates versus gnubg error rates, Albert Silver, 2003/04/06
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates, Douglas Zare, 2003/04/06
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates, Joern Thyssen, 2003/04/07
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates, Douglas Zare, 2003/04/07
- Re: [Bug-gnubg] Snowie error rates versus gnubg error rates, Joern Thyssen, 2003/04/08
- RE: [Bug-gnubg] Snowie error rates versus gnubg error rates, Albert Silver, 2003/04/08