transition: Calculate a transition matrix for a symmetric matrix
Description
The transition matrix extracts the lower triangular elements from a vectorized symmetric matrix (Nel, 1985).
Usage
transition(p)
Arguments
p
The number of columns in a matrix
Author
Based on internal functions from the fungible package by Niels Waller
References
Nel, D. G. (1985).
A matrix derivation of the asymptotic covariance matrix of sample correlation coefficients.
Linear Algebra and Its Applications, 67, 137–145. tools:::Rd_expr_doi("10.1016/0024-3795(85)90191-0")