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LPower  

Calculates Power, Sample Size, or Detectable Effect for Longitudinal Analyses
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("LPower", "0.1.1")



Attach the package and use:
library("LPower")
Maintained by
David A. Schoenfeld
[Scholar Profile | Author Map]
First Published: 2018-05-11
Latest Update: 2019-12-11
Description:
Computes power, or sample size or the detectable difference for a repeated measures model with attrition. It requires the variance covariance matrix of the observations but can compute this matrix for several common random effects models. See Diggle, P, Liang, KY and Zeger, SL (1994, ISBN:9780198522843).
How to cite:
David A. Schoenfeld (2018). LPower: Calculates Power, Sample Size, or Detectable Effect for Longitudinal Analyses. R package version 0.1.1, https://cran.r-project.org/web/packages/LPower. Accessed 29 Mar. 2025.
Previous versions and publish date:
0.1.0 (2018-05-11 16:03)
Other packages that cited LPower R package
View LPower citation profile
Other R packages that LPower depends, imports, suggests or enhances
Complete documentation for LPower
Functions, R codes and Examples using the LPower R package
Some associated functions: LPower . randomEffectsMatrix . randomSlopesMatrix . 
Some associated R codes: powslopes_new1.R . powslopes_new2.R .  Full LPower package functions and examples
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