All possible SRSs that can be generated from the population in Example 2.1 of Lohr(1999).
samples
Data frame with the following 10 variables:
sample number
first unit in sample
second unit in sample
third unit in sample
fourth unit in sample
value for first unit in sample
value for second unit in sample
value for third unit in sample
value for fourth unit in sample
t hat, i.e. estimate of the population total based on the given sample
Lohr (1999). Sampling: Design and Analysis, Duxbury, p. 26--27 and 444.