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PwrGSD  

Power in a Group Sequential Design
View on CRAN: Click here


Download and install PwrGSD package within the R console
Install from CRAN:
install.packages("PwrGSD")

Install from Github:
library("remotes")
install_github("cran/PwrGSD")

Install by package version:
library("remotes")
install_version("PwrGSD", "2.3.8")



Attach the package and use:
library("PwrGSD")
Maintained by
Grant Izmirlian
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2008-01-07
Latest Update: 2024-10-10
Description:
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) .
How to cite:
Grant Izmirlian (2008). PwrGSD: Power in a Group Sequential Design. R package version 2.3.8, https://cran.r-project.org/web/packages/PwrGSD. Accessed 06 Mar. 2026.
Previous versions and publish date:
1.0 (2008-01-07 12:23), 1.1 (2008-05-14 18:44), 1.15 (2008-07-11 19:20), 1.16.1 (2012-10-12 07:58), 1.16 (2010-03-13 20:58), 1.171 (2012-10-13 18:48), 1.172 (2014-03-14 12:19), 2.000 (2014-03-21 07:13), 2.2 (2018-02-09 23:18), 2.3.1 (2019-04-15 23:22), 2.3.2 (2020-02-06 01:40), 2.3.3 (2021-01-27 18:10), 2.3.5 (2021-12-09 18:40), 2.3.6 (2021-12-11 00:40), 2.3.7 (2024-07-26 19:30), 2.3 (2018-03-26 20:12)
Other packages that cited PwrGSD R package
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Complete documentation for PwrGSD
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