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BGonline.org Forums
Confidence Interval Overlap vs Joint Standard Deviation (long)
Posted By: neilkaz In Response To: Confidence Interval Overlap vs Joint Standard Deviation (long) (Bob Koca)
Date: Saturday, 31 October 2009, at 9:20 p.m.
UBK "Your calculations were assuming that the std dev for each play individually was the same."
Neil replies that they are usually close for rollouts of the same number of trials.
UBK "I also point out that the calculation of joint SD makes an independence assumption which I don't think is warranted."
Neil asks how one should calculate jsd from rollouts ?
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