Example 8.7: Hosmer and Lemeshow goodness-of-fit

September 28, 2010
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Example 8.7: Hosmer and Lemeshow goodness-of-fit

The Hosmer and Lemeshow goodness of fit (GOF) test is a way to assess whether there is evidence for lack of fit in a logistic regression model. Simply put, the test compares the expected and observed number of events in bins defined by the predicted p...
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Keys to good macro design

September 28, 2010
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On the final day of SESUG 2010, I only had time to attend one presentation. I chose Frank DiIorio’s %whatChanged: A Tool for the Well-Behaved Macro for two reasons: 1.) Papers about macros are big hits with SAS Tech Report readers and 2.) DiIori...
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A little code from SESUG 2010

September 28, 2010
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William Benjamin Jr. (Bill after you get to know him) is a SAS author and longtime SAS user. His was another title that I felt SAS users would really want to hear about. Benjamin presented Leave Your Bad Code Behind: 50 Ways to Make Your SAS Code ...
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Comparing Cell Phone Use By Age

September 28, 2010
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The Junk Chart blog discusses a potential problem that can arise in grouped bar charts when the two groups have vastly different ranges. One possible solution (which is discussed at the Junk Chart sister blog, Numbers Rule Your World) is to present the...
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Speeding up Web Report Studio (9.1/3.1) by jumping in puddles

September 28, 2010
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When SAS 9.2 was released one of the changes SAS made was to change the default setting for WRS from using a standard workspace server to a pooled workspace server. This was to improve performance as pooled workspace servers remove the requirement for sas executables (sas.exe) to start and stop for each query, and...
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Keep track of that

I've been a longtime fan of the WNYC radio show, Radio Lab. Hosts Robert Krulwich and Jad Abumrad have interviewed famed biologist E.O. Wilson a few times. Listening to him describe his study...
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Keep track of that

I've been a longtime fan of the WNYC radio show, Radio Lab. Hosts Robert Krulwich and Jad Abumrad have interviewed famed biologist E.O. Wilson a few times. Listening to him describe his study of ants and how they make tracks and trails is a great story...
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Dump wide table to HTML report (SAS)

September 27, 2010
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This SAS macro dumps a data set with many variables to an HTML report in a single line of SAS code. It’s useful on wide data sets (or in database speak, a wide table with many columns), with long character values, or where the customer needs to f...
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One big, happy family at SESUG 2010

September 27, 2010
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Randy Guard, Vice President, Sales Development & Product Management at SAS, gave the Opening Session keynote for SESUG on Sunday night. I’d never heard Guard speak before, so I didn’t know what to expect. He was surprisingly funny given h...
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