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:
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