http://snipplr.com/language/sas/tags/Shuffling Recent snippets posted on Snipplr.com en-us Wed, 22 May 2013 14:53:54 GMT http://snipplr.com/view/34215/random-sample-selection/ Last week my manager asked me to randomly pick 10%observations from a large data set and then create a listing so that the Data management programmers can QC the data. I want to share some thoughts here … how easy and simple to do random sampling. Approach 1: Data step Approach: In this approach, the observations are shuffled using the RANUNI function which assigns a random number to each observation.

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