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ssPilot: Sample Size Calculation for External Pilot Studies for a Continuous Endpoint

An implementation of sample size calculations for external pilot studies that minimize the overall trial sample size for the external pilot and main trial for a continuous endpoint as described in Whitehead et al. (2016) <doi:10.1177/0962280215588241>.

Version: 1.0.0
Imports: ggplot2, rlang
Suggests: quarto, testthat (≥ 3.0.0)
Published: 2026-09-29
DOI: 10.32614/CRAN.package.ssPilot
Author: Joel Dadiboe [aut, cre, cph], Marcio Diniz [aut, rev, cph]
Maintainer: Joel Dadiboe <joeldadiboe at gmail.com>
BugReports: https://github.com/joeldadiboe-rgb/ssPilot/issues
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://github.com/joeldadiboe-rgb/ssPilot
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: ssPilot results

Documentation:

Reference manual: ssPilot.html , ssPilot.pdf
Vignettes: ssPilot (source, R code)

Downloads:

Package source: ssPilot_1.0.0.tar.gz
Windows binaries: r-devel: ssPilot_1.0.0.zip, r-release: not available, r-oldrel: ssPilot_1.0.0.zip
macOS binaries: r-release (arm64): ssPilot_1.0.0.tgz, r-oldrel (arm64): ssPilot_1.0.0.tgz, r-release (x86_64): ssPilot_1.0.0.tgz, r-oldrel (x86_64): ssPilot_1.0.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=ssPilot to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.