jip_HartleyRao: Hartley-Rao approximation of joint-inclusion probabilities
Description
Approximation of joint-inclusion probabilities with precision of order
\(O(N^{-4})\) for the random systematic sampling design
by Hartley and Rao (1962), pag. 369 eq. 5.15
Usage
jip_HartleyRao(pik)
Arguments
pik
numeric vector of first-order inclusion probabilities for all
population units.