Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Linear rating increase w/ linear speed increase?

Author: Dann Corbit

Date: 19:49:11 01/27/00

Go up one level in this thread


On January 27, 2000 at 22:43:22, Chris Carson wrote:
>On January 27, 2000 at 22:17:25, Dann Corbit wrote:
>
>>Have you done a correlational coefficient?
>>
>>It might also be interesting to calculate prediction and confidence intervals.
>
>Yes:
>
>Regression
>Analysis
>R =	1.00    Correlation Coef.
>SEM =	18.1    Error of measure (2 SEM = 95% confidence)
>Slope =	231.4   (number of SSDF points per 6x speedup, or per ply)
>                (this means 77 points for 2x speed increase)
>                (this would be for both hw and programming improvements)
>Y intercept =	272.8
>
>Note: The regression analysis changes slightly as the SSDF continues
>testing (new lists), but not a whole lot (maybe 10% over time).

I doubt the figures.  A 1.00 correlation coefficient is a perfect correlation.
Something *must* be amiss.  No measured data ever correlates perfectly.




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.