The HPSAMPLE Procedure
Syntax: HPSAMPLE Procedure
The following statements are available in the HPSAMPLE procedure:
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PROC HPSAMPLE <options>;
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VAR variable <variable ... variable>;
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CLASS variable <variable ... variable>;
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TARGET variable <variable ... variable>;
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PERFORMANCE performance-options;
Either a VAR or a CLASS statement is required for simple random sampling; both the CLASS and TARGET statements are required for stratified sampling.