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upndown: Utilities and Design Aids for Up-and-Down Dose-Finding Studies

Up-and-Down (UD) is the most popular design approach for dose-finding, but it has been severely under-served by the statistical and computing communities. This is the first package that comprehensively addresses UD's needs. Recent applied UD tutorial: Oron et al., 2022 <doi:10.1097/ALN.0000000000004282>. Recent methodological overview: Oron and Flournoy, 2024 <doi:10.51387/24-NEJSDS74>.

Version: 0.3.0
Imports: cir, expm, MASS, plyr
Suggests: knitr, rmarkdown
Published: 2025-06-16
DOI: 10.32614/CRAN.package.upndown
Author: Assaf P. Oron [cre, aut]
Maintainer: Assaf P. Oron <assaf.oron at gmail.com>
License: GPL-2
NeedsCompilation: no
CRAN checks: upndown results

Documentation:

Reference manual: upndown.pdf
Vignettes: 'upndown' Package Vignette 1: Up-and-Down Basics (source, R code)

Downloads:

Package source: upndown_0.3.0.tar.gz
Windows binaries: r-devel: upndown_0.3.0.zip, r-release: upndown_0.3.0.zip, r-oldrel: upndown_0.3.0.zip
macOS binaries: r-release (arm64): upndown_0.3.0.tgz, r-oldrel (arm64): upndown_0.3.0.tgz, r-release (x86_64): upndown_0.3.0.tgz, r-oldrel (x86_64): upndown_0.3.0.tgz
Old sources: upndown archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=upndown 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.