landemets: Stata Module to Compute Boundaries for Group Sequential Clinical Trials Using Alpha Spending Functions. landemets implements the method of Lan and DeMets (Biometrika, 1983) to compute the stopping boundaries in a group sequential clinical trial by using alpha spending functions.
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References in zbMATH (referenced in 1 article )
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- Thomas Jaki; Philip Pallmann; Dominic Magirr: The R Package MAMS for Designing Multi-Arm Multi-Stage Clinical Trials (2019) not zbMATH