effects: Effect Displays for Linear, Generalized Linear, and Other Models

Graphical and tabular effect displays, e.g., of interactions, for various statistical models with linear predictors.

Version: 4.2-5
Depends: R (≥ 3.5.0), carData, datasets
Imports: lme4, nnet, lattice, grid, colorspace, graphics, grDevices, stats, survey, utils, estimability (≥ 1.4.1), insight
Suggests: pbkrtest (≥ 0.4-4), nlme, MASS, poLCA, heplots, splines, ordinal, car, knitr, betareg, alr4, robustlmm
Published: 2026-02-17
DOI: 10.32614/CRAN.package.effects
Author: John Fox [aut], Sanford Weisberg [aut], Brad Price [aut, cre], Michael Friendly [aut], Jangman Hong [aut], Robert Andersen [ctb], David Firth [ctb], Steve Taylor [ctb], R Core Team [ctb]
Maintainer: Brad Price <brad.price at mail.wvu.edu>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://cran.r-project.org/package=effects, https://www.john-fox.ca/, https://github.com/bprice2652/effects_repo
NeedsCompilation: no
Citation: effects citation info
Materials: NEWS
In views: Econometrics, MachineLearning, MixedModels, TeachingStatistics
CRAN checks: effects results

Documentation:

Reference manual: effects.html , effects.pdf
Vignettes: Regression Models Supported by the effects Package (source, R code)
Effect Displays with Partial Residuals (source, R code)
Predictor Effects Graphics Gallery (source, R code)

Downloads:

Package source: effects_4.2-5.tar.gz
Windows binaries: r-devel: effects_4.2-4.zip, r-release: effects_4.2-4.zip, r-oldrel: effects_4.2-4.zip
macOS binaries: r-release (arm64): effects_4.2-5.tgz, r-oldrel (arm64): effects_4.2-5.tgz, r-release (x86_64): effects_4.2-4.tgz, r-oldrel (x86_64): effects_4.2-4.tgz
Old sources: effects archive

Reverse dependencies:

Reverse depends: alr4, Rcmdr
Reverse imports: adventr, Deducer, GLMpack, nestedLogit, SemNeT
Reverse suggests: acss, AER, afex, agridat, BiodiversityR, broom.helpers, car, cv, ggeffects, GLMMadaptive, glmmTMB, Guerry, heplots, HistData, ivreg, psychomix, sdmTMB, sjPlot, vcdExtra

Linking:

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