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ieTest: Indirect Effects Testing Methods in Mediation Analysis

Used in testing if the indirect effect from linear regression mediation analysis is equal to 0. Includes established methods such as the Sobel Test, Joint Significant test (maxP), and tests based off the distribution of the Product or Normal Random Variables. Additionally, this package adds more powerful tests based on Intersection-Union theory. These tests are the S-Test, the ps-test, and the ascending squares test. These new methods are uniformly more powerful than maxP, which is more powerful than Sobel and less anti-conservative than the Product of Normal Random Variables. These methods are explored by Kidd and Lin, (2024) <doi:10.1007/s12561-023-09386-6> and Kidd et al., (2025) <doi:10.1007/s10260-024-00777-7>.

Version: 2.0
Depends: R (≥ 3.3.0), grDevices, graphics, methods, stats, utils
Imports: Rcpp (≥ 1.0.3), RcppArmadillo, RcppDist, twosamples, MASS
LinkingTo: Rcpp, RcppArmadillo, RcppDist
Suggests: testthat (≥ 3.0.0)
Published: 2025-04-02
DOI: 10.32614/CRAN.package.ieTest
Author: John Kidd [aut, cre]
Maintainer: John Kidd <jkidd at uvu.edu>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Materials: README
CRAN checks: ieTest results

Documentation:

Reference manual: ieTest.pdf

Downloads:

Package source: ieTest_2.0.tar.gz
Windows binaries: r-devel: ieTest_2.0.zip, r-release: not available, r-oldrel: not available
macOS binaries: r-devel (arm64): not available, r-release (arm64): not available, r-oldrel (arm64): not available, r-devel (x86_64): not available, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

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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.