sampling (version 0.1)

UPrandompivotal: Random pivotal sampling

Description

Select an unequal probability sample by means of the pivotal method, when the order of the units in the population is random.

Usage

UPrandompivotal(pik)

Arguments

pik

vector of prescribed inclusion probabilities.

encoding

latin1

Details

Return a vector (0 and 1) of size N, where N is the population size.

References

Deville, J.-C. and Till�, Y. (1998), Unequal probability sampling without replacement through a splitting method, Biometrika, 85:89--101.

See Also

UPpivotal

Examples

#define the prescribed inclusion probabilities
pik=c(0.2,0.7,0.8,0.5,0.4,0.4)
#select a sample
UPrandompivotal(pik)