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Scoring open data with VVALUE : The best function I’d never heard of

Anyone who tells you they know all of SAS is like that creepy guy at the fraternity party who swears that his father is the Duke of Canada, that is, they have a perception of themselves that is not in screaming distance of contact with reality. Even though I have been using SAS for decades,…

Significance & Mauchly’s W: I don’t think that word means what you think it means

One of my favorite movie lines ever comes from The Princess Bride, “You keep using that word. I do not think it means what you think it means.” Sometimes I want to say that to people who want me to give an explanation for every result that is “significant”. Perhaps you would like to test…

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Survival analysis and conference attendance

Since the whole presentation Patricia Berglund gave on survival analysis is available at the SAS Global Forum takeout section (which I explained yesterday, you should have been paying attention), I just wanted to add a few highlights here. 1. Using PROC LIFETEST with a STRATA statements is a very dandy way to show survival curves…

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Damn! There really IS a structural equation modeling for dummies!

From time to time I get asked, “Can you recommend a book like Structural Equation Modeling for Dummies?” My unspoken thought is always, “You’re f***ing kidding me, right?” SEM isn’t the sort of thing done by dummies. Well, ask no more if you want  straightforward, basic treatment of CALIS – the SAS procedure for structural…