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Experimental design algorithm

 What are the algorithms used in the block studies for optimizing the number of samples and power?

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 Currently the software employs methods to estimate power and sample size for standard linear regression models.  Ref: Hsieh FY, Block DA, Larsen MD: A simple method of sample size calculation for linear and logistic regression. Stat Med. 1998, 17: 1623-1634. 10.1002/(SICI)1097-0258(19980730)17:14<1623::AID-SIM871>3.0.CO;2-S

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