Quote:
Originally Posted by Ed Law
Wait a minute, Ether. How can average CCWM not be zero? For each event, the sum of CCWM should be zero. In most cases, they are. But there are some events that has a small positive or negative number. I think it must be due to round off error. Is that correct? Then how can the average CCWM be -2.11?
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It's not due to rounding error. It's due to the match schedule.
If you look carefully, you'll see that the average CCWM is zero only for those events where the schedule had each team playing the same number of times.
When you do World CCWM, this effect is exaggerated.
The CCWM residuals, however, will always sum to zero, regardless of schedule.