PwrGSD: Power in a Group Sequential Design

Tools for the evaluation of interim analysis plans for sequentially monitored trials on a survival endpoint; tools to construct efficacy and futility boundaries, for deriving power of a sequential design at a specified alternative, template for evaluating the performance of candidate plans at a set of time varying alternatives. See Izmirlian, G. (2014) <doi:10.4310/SII.2014.v7.n1.a4>.

Package details

AuthorGrant Izmirlian <>
MaintainerGrant Izmirlian <>
LicenseGPL (>= 2)
Package repositoryView on CRAN
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PwrGSD documentation built on Jan. 28, 2021, 1:07 a.m.