Random Sampling: What’s Efficient?

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Suppose you wish to select a random sample from a large SAS dataset.  No problem. The PROC SURVEYSELECT step below randomly selects a 2 percent sample: proc surveyselect data=large out=sample method=srs /* simple random sample */ n=1000000; /* sample size */ run; Do you have a SAS/STAT license?   If not, […]

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This post was kindly contributed by SAS Learning Post - go there to comment and to read the full post.