GroupSeq

Group Sequential Design Probabilities - With Graphical User Interface

v1.4.3 · Feb 3, 2024 · GPL-3

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) <doi:10.1002/sim.4780131308>.

Downloads

293

Last 30 days

13968th

808

Last 90 days

3.4K

Last year

Trend: -2.7% (30d vs prior 30d)

CRAN Check Status

14 OK

Show all 14 flavors

Flavor	Status	Time
r-devel-linux-x86_64-debian-clang	OK	89.3s
r-devel-linux-x86_64-debian-gcc	OK	77.3s
r-devel-linux-x86_64-fedora-clang	OK	140.7s
r-devel-linux-x86_64-fedora-gcc	OK	151.7s
r-devel-macos-arm64	OK	33s
r-devel-windows-x86_64	OK	98s
r-oldrel-macos-arm64	OK
r-oldrel-macos-x86_64	OK	89s
r-oldrel-windows-x86_64	OK	115s
r-patched-linux-x86_64	OK	83.4s
r-release-linux-x86_64	OK	82.1s
r-release-macos-arm64	OK
r-release-macos-x86_64	OK	98s
r-release-windows-x86_64	OK	105s

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Dependency Network

Version History

new 1.4.3 Mar 10, 2026

updated 1.4.3 ← 1.4.2 diff Feb 2, 2024

updated 1.4.2 ← 1.4.0 diff Dec 11, 2022

updated 1.4.0 ← 1.3.5 diff Feb 5, 2022

updated 1.3.5 ← 1.3.4 diff Apr 10, 2018

updated 1.3.4 ← 1.3.3 diff Feb 2, 2017

updated 1.3.3 ← 1.3.2 diff Jul 7, 2015

updated 1.3.2 ← 1.3.1 diff Jan 9, 2014

updated 1.3.1 ← 1.3 diff Feb 23, 2009

updated 1.3 ← 1.1 diff May 21, 2006

updated 1.1 ← 1.0 diff Apr 19, 2006

new 1.0 Feb 7, 2006