If you specify the option METHOD=PPS_SEQ, PROC SURVEYSELECT uses Chromy's method of sequential random sampling. Refer to Chromy (1979) and Williams and Chromy (1980). Chromy's method selects units ...
Methods for inferring the mode of inheritance of a trait from familial data are becoming widely used. It is therefore important to assess alternative procedures for the collection of the relevant data ...
Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test ...