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powertools
View on CRAN: Click
here
Download and install powertools package within the R console
Install from CRAN:
install.packages("powertools")
Install from Github:
library("remotes")
install_github("cran/powertools")
Install by package version:
library("remotes")
install_version("powertools", "0.1.2")
Attach the package and use:
library("powertools")
Maintained by
Catherine M. Crespi
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2024-11-28
Latest Update: 2024-11-28
Description:
Power and sample size calculations for a variety of study designs and outcomes. Methods include t tests, ANOVA (including tests for interactions, simple effects and contrasts), proportions, categorical data (chi-square tests and proportional odds), linear, logistic and Poisson regression, alternative and coprimary endpoints, power for confidence intervals, correlation coefficient tests, cluster randomized trials, individually randomized group treatment trials, multisite trials, treatment-by-covariate interaction effects and nonparametric tests of location. Utilities are provided for computing various effect sizes. Companion package to the book "Power and Sample Size in R", Crespi (2025, ISBN:9781138591622).
How to cite:
Catherine M. Crespi (2024). powertools: Power and Sample Size Tools. R package version 0.1.2, https://cran.r-project.org/web/packages/powertools. Accessed 21 Dec. 2024.
Previous versions and publish date:
0.1.0 (2024-11-14 15:00)
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