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Rick Wicklin 0
Compute the rank of a matrix in SAS

A common question from statistical programmers is how to compute the rank of a matrix in SAS. Recall that the rank of a matrix is defined as the number of linearly independent columns in the matrix. (Equivalently, the number of linearly independent rows.) This article describes how to compute the

Work & Life at SAS
Page Cvelich 0
Choosing a College Major

Most of you probably don’t know this, but my undergraduate major was geography.  That’s right, geography.  Is it because I love maps?  Well, actually, yes, I do, and my friends and family can tell you that my “go-to” present is always the most recent edition of the Atlas of the

Rick Wicklin 0
Let's talk at SAS Global Forum 2015

The 2015 SAS Global Forum is in Dallas, TX, and I'll be there. There are many talks to see and people to meet, so thank goodness for the agenda builder, which enables you to create a schedule in advance. I always enjoy talking with SAS customers about statistics, simulations, matrix

Advanced Analytics | Analytics
Mike Gilliland 0
Guest blogger: Dr. Chaman Jain previews Winter issue of Journal of Business Forecasting

JBF Special Issue on Predictive Business Analytics Dr. Chaman Jain, professor at St. Johns University, and editor-in-chief of the Journal of Business Forecasting, provides his preview of the Winter 2014-15 issue: Predictive Business Analytics, the practice of extracting information from existing data to determine patterns, relationships and future outcomes, is

Rick Wicklin 0
Simulate the Monty Hall Problem in SAS

The Monty Hall Problem is one of the most famous problems in elementary probability. It is famous because the correct solution is counter-intuitive and because it caused an uproar when it appeared in the "Ask Marilyn" column in Parade magazine in 1990. Discussing the problem has been known to create

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