PwrGSD (1.16)
Power in a Group Sequential Design.
http://cran.r-project.org/web/packages/PwrGSD
Tools 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.
Maintainer:
Grant Izmirlian
Author(s): Grant Izmirlian
License: GPL (>= 2)
Uses: survival
Reverse depends: FHtest
Released about 3 years ago.
