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PASSED  

Calculate Power and Sample Size for Two Sample Mean Tests
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("PASSED", "1.2-2")



Attach the package and use:
library("PASSED")
Maintained by
Jinpu Li
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2020-05-13
Latest Update: 2023-10-16
Description:
Power calculations are a critical component of any research study to determine the minimum sample size necessary to detect differences between multiple groups. Here we present an 'R' package, 'PASSED', that performs power and sample size calculations for the test of two-sample means or ratios with data following beta, gamma (Chang et al. (2011), ), normal, Poisson (Gu et al. (2008), ), binomial, geometric, and negative binomial (Zhu and Lakkis (2014), ) distributions.
How to cite:
Jinpu Li (2020). PASSED: Calculate Power and Sample Size for Two Sample Mean Tests. R package version 1.2-2, https://cran.r-project.org/web/packages/PASSED. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 08:15), 1.0-1 (2020-05-13 17:40), 1.0-2 (2020-06-19 00:00), 1.0-3 (2020-07-21 22:40), 1.1-0 (2021-05-11 18:02), 1.1-1 (2021-06-10 15:50), 1.2-1 (2022-02-17 23:12)
Other packages that cited PASSED R package
View PASSED citation profile
Other R packages that PASSED depends, imports, suggests or enhances
Complete documentation for PASSED
Functions, R codes and Examples using the PASSED R package
Some associated functions: power_Beta . power_Binomial . power_Gamma . power_Geometric . power_NegativeBinomial . power_Normal . power_Poisson . 
Some associated R codes: power_Beta.R . power_Binomial.R . power_Gamma.R . power_Geometric.R . power_NegativeBinomial.R . power_Normal.R . power_Poisson.R .  Full PASSED package functions and examples
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