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powerMediation  

Power/Sample Size Calculation for Mediation Analysis
View on CRAN: Click here


Download and install powerMediation package within the R console
Install from CRAN:
install.packages("powerMediation")

Install from Github:
library("remotes")
install_github("cran/powerMediation")

Install by package version:
library("remotes")
install_version("powerMediation", "0.3.4")



Attach the package and use:
library("powerMediation")
Maintained by
Weiliang Qiu
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2010-02-04
Latest Update: 2021-03-23
Description:
Functions to calculate power and sample size for testing (1) mediation effects; (2) the slope in a simple linear regression; (3) odds ratio in a simple logistic regression; (4) mean change for longitudinal study with 2 time points; (5) interaction effect in 2-way ANOVA; and (6) the slope in a simple Poisson regression.
How to cite:
Weiliang Qiu (2010). powerMediation: Power/Sample Size Calculation for Mediation Analysis. R package version 0.3.4, https://cran.r-project.org/web/packages/powerMediation. Accessed 28 Aug. 2026.
Previous versions and publish date:
(2026-07-09 06:43), 0.0.6 (2010-02-04 09:46), 0.0.7 (2011-08-17 22:27), 0.0.8 (2012-03-12 17:45), 0.1.0 (2012-11-30 08:04), 0.1.3 (2013-04-29 16:56), 0.1.7 (2013-11-09 07:56), 0.2.3 (2015-02-23 18:53), 0.2.4 (2015-05-08 11:45), 0.2.6 (2017-01-27 10:18), 0.2.7 (2017-02-16 07:13), 0.2.8 (2017-09-12 08:42), 0.2.9 (2018-02-07 18:14), 0.3.2 (2020-04-07 16:10)
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Complete documentation for powerMediation
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