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Quick question: What\'s the formula for calculating a weighted SD?
TIA -- greatly appreciate it. (I know it's in one of Mason's books, I just don't have it handy right now.)
(By weighted SD, of course, I mean to calculate specifically one's SD/100 hands when one has figures like a win rate of 20BB over 150 hands, then -15BB over 90 hands, etc. etc.) |
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