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genisi

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genisi

Re: iwfal post# 155398

Wednesday, 01/16/2013 7:17:31 AM

Wednesday, January 16, 2013 7:17:31 AM

Post# of 252232

Yet the standard method of calculating futility treats the original assumption as much more weighty than the interim data.

No other method? can using asymmetric stopping boundaries overcome this problem?
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