Example 8.39: calculating Cramer’s V

June 3, 2011
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Cramer's V is a measure of association for nominal variables. Effectively it is the Pearson chi-square statistic rescaled to have values between 0 and 1, as follows:V = sqrt(X^2 / )where X^2 is the Pearson chi-square, n...
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A Statistical Application of Numerical Integration: The Area Under an ROC Curve

June 3, 2011
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A Statistical Application of Numerical Integration: The Area Under an ROC Curve

In a previous blog post, I presented a short SAS/IML function module that implements the trapezoidal rule. The trapezoidal rule is a numerical integration scheme that gives the integral of a piecewise linear function that passes through a given se...
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Putting back tabs in SAS WRS 4.3

June 3, 2011
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In SAS Web Report Studio 4.3, users can set an option that will display navigational tabs for report sections, similar to the tabs that appeared in version 3.1. To set this property, make the following changes to the SAS Web Report Studio properties in SAS® Management Console. On the Plug-ins tab, select Application Management...
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2011 NCAA Baseball Tournament Regional RPI’s

June 3, 2011
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Is there a conspiracy theory against the SEC and the number of teams it could send to the College World Series? The three national seeds from the SEC have the toughest regionals of the top eight.  Defending national champion, South Carolina has the...
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Using Proc IML for credit risk validation

June 2, 2011
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Using Proc IML for credit risk validation

Validation step is crucial for a scorecard in credit risk industry. Gunter and Peter mentioned in their fantastic book that cumulative accuracy profile (CAP) and receiver operating characteristic (ROC) are two popular methods. Thus, the value...
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SAS 9.3 to be released in July 2011 (maybe ;-)

June 2, 2011
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Well this may just be a rumor but at the excellent SAS Users Group of New Zealand (SUNZ) quarterly meeting (yes I did present it was mentioned that SAS 9.3 maybe released in July of this year. No details on whether it will just be foundation, or foundation and platform components.  Or whether it will be...
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Integrating Enterprise Miner and SAS Metadata / Enterprise Guide created datasets

June 2, 2011
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When you us SAS Enterprise Miner 6.2 you need to access data to perform the modeling tasks (DOH When adding data sources to your EM project you can either add data from a SAS Table or from the Metadata Repository. If you add it from a SAS Table, then SAS will display all the...
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The Reviewer Is Always Right

June 1, 2011
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…about something …and it’s up to you to figure out what. At SGF I had the honor of participating in a panel discussion titled “So You Want to Be a SAS Press Author!”  The panel was organized by Nancy Brucken, moderated by Michael Raithel and included authors Art Carpenter, Cynthia Zender, and Mike Molter....
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Job Postings Have a Place

June 1, 2011
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A few of the things that my mother drilled into me as a kid really did stick. One of them is that everything has a place and when you put an item in the appropriate place, you can always find it. Today, I received a few messages about job...
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