corr.nn4bb: Finds the tetrachoric correlation based on user-specified correlation between binary variables.
Description
This function computes the tetrachoric correlation given the correlation for a pair of binary variables (phi coefficient).
Usage
corr.nn4bb(p1, p2, BB.cor)
Arguments
p1
Probability parameter for the first binary variable.
p2
Probability parameter for the second binary variable.
BB.cor
Pre-specified correlation for a pair of binary variables.
Value
A tetrachoric correlation coefficient.
References
Demirtas, H. & Doganay, B. (2012). Simultaneous generation of binary and normal data with specified marginal and association structures. Journal of Biopharmaceutical Statistics, Volume 22, Issue 2, 223-236.