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int3ract: Plotting Two- and Three-Way Interactions

Provides two- and three-way Johnson-Neyman-(Krause) plots for easier interpretation of interactions. It extends the classic framework of Johnson and Neyman (1936) and Johnson and Fay (1950) <doi:10.1007/BF02288864> to Bayesian models and three-way interactions. The functions have dedicated routines for classic lm()/glm() models, as well as 'lme4' models and 'RSiena' results. However, the package can also be used model agnostic and thus extends the availability of JN(K)-plots beyond what is currently available. A detailed introduction can be found in Krause (2026) <doi:10.48550/arXiv.2604.22051>.

Version: 1.0.7
Depends: R (≥ 4.4.0)
Imports: dplyr, tibble, tidyr, ggplot2, ggpattern, scales, lme4
Suggests: MCMCpack, RSiena
Published: 2026-05-05
DOI: 10.32614/CRAN.package.int3ract
Author: Robert W. Krause [aut, cre, cph]
Maintainer: Robert W. Krause <robert.w.krause at mailbox.org>
BugReports: https://github.com/RWKrause/int3ract/issues
License: GPL (≥ 3)
URL: https://github.com/RWKrause/int3ract
NeedsCompilation: no
Materials: README
CRAN checks: int3ract results

Downloads:

Package source: int3ract_1.0.7.tar.gz
Windows binaries: r-devel: int3ract_1.0.7.zip, r-release: int3ract_1.0.7.zip, r-oldrel: int3ract_1.0.7.zip
macOS binaries: r-release (arm64): int3ract_1.0.7.tgz, r-oldrel (arm64): int3ract_1.0.7.tgz, r-release (x86_64): int3ract_1.0.7.tgz, r-oldrel (x86_64): int3ract_1.0.7.tgz

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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.
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