bivarRIpower-package {bivarRIpower}R Documentation

Sample size calculations for bivariate longitudinal data

Description

Provides function to carry out sample size calculations for correlations that occur between random intercepts, residuals, and observations in a bivariate longitudinal model. Maximum likelihood estimates are used for correlation variances. Sample size is calculated under one-sample z-test framework. Details of calculations are given in Comulada and Weiss (2010).

Details

Package: bivarRIpower
Type: Package
Version: 1.2
Date: 2010-12-02
License: GPL (\>=2)
LazyLoad: yes

Author(s)

W. Scott Comulada and Robert E. Weiss

Maintainer: W. Scott Comulada <scomulad@ucla.edu>

References

Comulada WS and Weiss RE. (2010). Power calculations for correlations between bivariate longitudinal data. Statistics in Medicine. 29(27): 2811-2824.


[Package bivarRIpower version 1.2 Index]