Other packages > Find by keyword >

powertools  

Power and Sample Size Tools
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", "1.0.0")



Attach the package and use:
library("powertools")
Maintained by
Catherine M. Crespi
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2024-11-28
Latest Update: 2025-06-10
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 1.0.0, https://cran.r-project.org/web/packages/powertools. Accessed 05 Jun. 2026.
Previous versions and publish date:
0.1.0 (2024-11-14 15:00), 0.1.2 (2024-11-21 09:10), 0.1.3 (2025-06-10 15:40)
Other packages that cited powertools R package
View powertools citation profile
Other R packages that powertools depends, imports, suggests or enhances
Complete documentation for powertools
Functions, R codes and Examples using the powertools R package
Full powertools package functions and examples
Downloads during the last 30 days

Today's Hot Picks in Authors and Packages

msm  
Multi-State Markov and Hidden Markov Models in Continuous Time
Functions for fitting continuous-time Markov and hidden Markov multi-state models to longitudinal d ...
Download / Learn more Package Citations See dependency  
quickcode  
Quick and Essential 'R' Tricks for Better Scripts
The NOT functions, 'R' tricks and a compilation of some simple quick plus often used 'R' codes to im ...
Download / Learn more Package Citations See dependency  
envirem  
Generation of ENVIREM Variables
Generation of bioclimatic rasters that are complementary to the typical 19 bioclim variables. ...
Download / Learn more Package Citations See dependency  
ibb  
R Wrapper for Istanbul Municipality Open Data Portal
Call wrappers for Istanbul Metropolitan Municipality's Open Data Portal (Turkish: Istanbul B ...
Download / Learn more Package Citations See dependency  
crossurr  
Cross-Fitting for Doubly Robust Evaluation of High-Dimensional Surrogate Markers
Doubly robust methods for evaluating surrogate markers as outlined in: Agniel D, Hejblum BP, Thiebau ...
Download / Learn more Package Citations See dependency  

27,268

R Packages

233,548

Dependencies

72,590

Author Associations

27,205

Publication Badges

© Copyright since 2022. All right reserved, rpkg.net.  Based in Cambridge, Massachusetts, USA