Monthly Archives: March 2012

Sample Size: Is 10 a magic number?

I’m often asked “What is the minimal sample size I need to do…” This is perhaps one of my favorite questions, as I certainly don’t perform sample size calculations off the cuff, yet there should be some notion as to … Continue reading

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Integer Sequences in SAS

In Stata, I regularly find myself using the integer sequence command ( seq() )  available as part of the egen functions.  When I use SAS, I’m dismayed at how difficult creating an integer sequence can be.  There’s a website by Richard DeVenezia which … Continue reading

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