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Rick Wicklin 0
She wants to be an airborne ranger

I wanna be an airborne ranger, Live the life of guts and danger.* If you are an 80's movie buff, you might remember the scene in The Breakfast Club where Bender, the juvenile delinquent played by Judd Nelson, distracts the principal by running through the school singing this song. Recently,

Data Management
Jim Harris 0
Data governance and analytics

The intersection of data governance and analytics doesn’t seem to get discussed as often as its intersection with data management, where data governance provides the guiding principles and context-specific policies that frame the processes and procedures of data management. The reason for this is not, as some may want to

Rick Wicklin 0
Correlations between groups of variables

Typically a correlation analysis reports the correlations between all pairs of variables, including the variables with themselves. The resulting correlation matrix is square, symmetric, and has 1s on the main diagonal. But suppose you are interested in only specific combinations of variables. Perhaps you want the pairwise correlations between one

Julie Ellison 0
Users Unite! Starting a SAS users group

In recent blog posts, we shared the benefits of participating in a SAS users group, how to register your group, and tips on how to find a group that meets your individual needs. But, what if you’ve discovered that there isn’t a local users group in your community or that

Chris Hemedinger 0
Why should we teach Roman numerals?

In my local paper this morning, I read about how a North Carolina state commission plans to recommend changes to our teaching standards for mathematics. One of the topics that they want to bring back: Roman numerals. Why? According to my exhaustive 30 seconds of Internet research, the only practical

Rick Wicklin 0
Create heat maps with PROC SGPLOT

When SAS 9.4m3 was released last month (including SAS/STAT and SAS/IML 14.1), I was happy to see that a HEATMAP statement had been added to the SGPLOT procedure. Although heat maps in the SAS/IML language have been available for several releases, you previously had to use the Graph Template Language

Rick Wicklin 0
The drunkard's walk in 2-D

Last month I wrote about how to simulate a drunkard's walk in SAS for a drunkard who can move only left or right in one direction. A reader asked whether the problem could be generalized to two dimensions. Yes! This article shows how to simulate a 2-D drunkard's walk, also

Learn SAS
Rick Wicklin 0
Those tricky PERCENT formats

When using SAS to format a number as a percentage, there is a little trick that you need to remember: the width of the formatted value must include room for the decimal point, the percent sign, and the possibility of two parentheses that indicate negative values. The field width must

Advanced Analytics | Machine Learning
Patrick Hall 0
SAS on GitHub

Right now I’m crossing the Pacific toward Australia and New Zealand for the 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (a.k.a. KDD), a Data Science Melbourne MeetUp, and the SAS Users of New Zealand conference. New Zealand is the birthplace of open source R. So this trip

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