R package citation, R package reverse dependencies, R package scholars, install an r package from GitHub hy is package acceptance pending why is package undeliverable amazon why is package on hold dhl tour packages why in r package r and r package full form why is r free why r is bad which r package to install which r package has which r package which r package version which r package readxl which r package ggplot which r package fread which r package license where is package.json where is package-lock.json where is package.swift where is package explorer in eclipse where is package where is package manager unity where is package installer android where is package manager console in visual studio who r package which r package to install which r package version who is package who is package deal who is package design r and r package full form r and r package meaning what r package has what package r what is package in java what is package what is package-lock.json what is package in python what is package.json what is package installer do r package can't install r packages r can't find package r can't load package can't load xlsx package r can't install psych package r can't install sf package r Write if else in NONMEM pk pd
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", "1.0.0") 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: 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 04 Oct. 2026.
Previous versions and publish date:
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
r2resize
Automatic resizing toolbar for containers, images and tables. Various resizable or expandable contai ...
Download / Learn more Package Citations See dependency
Download / Learn more Package Citations See dependency
Maintainer: Obinna Obianom (view profile)
skilljaR
Functions that simplify calls to the 'Skilljar' API. See < ...
Download / Learn more Package Citations See dependency
Download / Learn more Package Citations See dependency
Maintainer: Chris Umphlett (view profile)
rWishart
An expansion of R's 'stats' random wishart matrix generation.
This package allows the user to gener ...
Download / Learn more Package Citations See dependency
Download / Learn more Package Citations See dependency
Maintainer: Ben Barnard (view profile)
plotbb
Proof of concept for implementing grammar of graphics using base plot. The bbplot() function initial ...
Download / Learn more Package Citations See dependency
Download / Learn more Package Citations See dependency
Maintainer: Guangchuang Yu (view profile)
28,905
R Packages
247,686
Dependencies
76,495
Author Associations
28,906
Publication Badges
