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GroupSeq  

Group Sequential Design Probabilities - With Graphical User Interface
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("GroupSeq", "1.4.3")



Attach the package and use:
library("GroupSeq")
Maintained by
Roman Pahl
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2006-02-08
Latest Update: 2024-02-03
Description:
Computes probabilities related to group sequential designs for normally distributed test statistics. Enables to derive critical boundaries, power, drift, and confidence intervals of such designs. Supports the alpha spending approach by Lan-DeMets (1994) .
How to cite:
Roman Pahl (2006). GroupSeq: Group Sequential Design Probabilities - With Graphical User Interface. R package version 1.4.3, https://cran.r-project.org/web/packages/GroupSeq. Accessed 28 Aug. 2026.
Previous versions and publish date:
1.0 (2006-02-08 13:07), 1.1 (2006-04-20 09:19), 1.3.1 (2009-02-24 08:55), 1.3.2 (2014-01-10 17:27), 1.3.3 (2015-07-08 13:21), 1.3.4 (2017-02-03 14:32), 1.3.5 (2018-04-11 17:00), 1.3 (2006-05-22 11:05), 1.4.0 (2022-02-06 00:10), 1.4.2 (2022-12-12 12:50), (2026-07-09 08:06)
Other packages that cited GroupSeq R package
View GroupSeq citation profile
Other R packages that GroupSeq depends, imports, suggests or enhances
Complete documentation for GroupSeq
Functions, R codes and Examples using the GroupSeq R package
Some associated functions: start_gui . 
Some associated R codes: groupseq.R . gui.R . menus.R . notebook.R . sequential.R . table.R . utils.R . widgets.R . zzz-groupseq-legacy.R .  Full GroupSeq package functions and examples
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