UPrandompivotal {sampling} | R Documentation |
Select an unequal probability sample by means of the pivotal method, when the order of the units in the population is random.
UPrandompivotal(pik)
pik |
vector of prescribed inclusion probabilities. |
Return a vector (0 and 1) of size N, where N is the population size.
Deville, J.-C. and Tillé, Y. (1998), Unequal probability sampling without replacement through a splitting method, Biometrika, 85:89–101.
#define the prescribed inclusion probabilities pik=c(0.2,0.7,0.8,0.5,0.4,0.4) #select a sample UPrandompivotal(pik)