Calculation of Sample Size and Power for ICC

Provides functions to calculate the requisite sample size for studies where ICC is the primary outcome. Can also be used for calculation of power. In both cases it allows the user to test the impact of changing input variables by calculating the outcome for several different values of input variables. Based off the work of Zou. Zou, G. Y. (2012). Sample size formulas for estimating intraclass correlation coefficients with precision and assurance. Statistics in medicine, 31(29), 3972-3981.


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install.packages("ICC.Sample.Size")

1.0 by Alasdair Rathbone, 4 years ago


Browse source code at https://github.com/cran/ICC.Sample.Size


Authors: Alasdair Rathbone [aut,cre] , Saurabh Shaw [aut] , Dinesh Kumbhare [aut]


Documentation:   PDF Manual  


GPL-3 license


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See at CRAN