Sample size reestimation sas

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Sample Size Re-estimation and conditional power

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Fluorite | Level 6

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Sample Size Re-estimation and conditional power Posted 02-08-2021 11:06 AM (1908 views)

Would anyone know of a SAS program for caclulation of sample size re-estimation and conditional power?

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Accepted Solutions Jade | Level 19

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Re: Sample Size Re-estimation and conditional power Posted 02-09-2021 08:15 AM (1831 views) | In reply to JohnJones

The procedure SEQDESIGN has a couple of examples of sample size estimation under different accrual methods, and is your most likely candidate. SEQTEST does actual testing and could be used in a simulation setting with various sample sizes to estimate conditional power.