grpseq

Group Sequential Analysis of Clinical Trials

v1.0 · Dec 6, 2021 · GPL (>= 2)

Description

Design of group sequential trials, including non-binding futility analysis at multiple time points (Gallo, Mao, and Shih, 2014, <doi:10.1080/10543406.2014.932285>).

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CRAN Check Status

2 NOTE

12 OK

Show all 14 flavors

Flavor	Status	Time
r-devel-linux-x86_64-debian-clang	NOTE	29.6s
r-devel-linux-x86_64-debian-gcc	NOTE	23.9s
r-devel-linux-x86_64-fedora-clang	OK	46.1s
r-devel-linux-x86_64-fedora-gcc	OK	55.5s
r-devel-macos-arm64	OK	15s
r-devel-windows-x86_64	OK	53s
r-oldrel-macos-arm64	OK
r-oldrel-macos-x86_64	OK	35s
r-oldrel-windows-x86_64	OK	58s
r-patched-linux-x86_64	OK	28.6s
r-release-linux-x86_64	OK	26.8s
r-release-macos-arm64	OK
r-release-macos-x86_64	OK	42s
r-release-windows-x86_64	OK	49s

Check details (2 non-OK)

NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Lu Mao <lmao@biostat.wisc.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Lu",
                    family = "Mao",
                    role = c("aut", "cre"),
                    email = "lmao@biostat.wisc.edu")
as necessary.

NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Lu Mao <lmao@biostat.wisc.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Lu",
                    family = "Mao",
                    role = c("aut", "cre"),
                    email = "lmao@biostat.wisc.edu")
as necessary.

Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Lu Mao <lmao@biostat.wisc.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Lu",
                    family = "Mao",
                    role = c("aut", "cre"),
                    email = "lmao@biostat.wisc.edu")
as necessary.

NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Lu Mao <lmao@biostat.wisc.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Lu",
                    family = "Mao",
                    role = c("aut", "cre"),
                    email = "lmao@biostat.wisc.edu")
as necessary.

Dependency Network

Version History

new 1.0 Mar 10, 2026