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The type II error probability of a group sequential test of efficacy and futility, and considerations for power and

Thomas W Dobbins1

  • 1Biostatistics and Research Decision Sciences, Merck Research Laboratories, North Wales, PA 19454-2505, USA. thomas.dobbins@merck.com

Journal of Biopharmaceutical Statistics
|February 27, 2013
PubMed

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