What’s the must-have Thanksgiving side dish?

November 22, 2017
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If you're preparing a big Thanksgiving dinner, then you don't want to leave out the most popular side dish, do you?!? But what is the most popular side dish? ... If you don't already know, then perhaps some data & analytics can help! But before we get started, here's a

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Compute the CDF and quantiles of discrete distributions

November 22, 2017
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Compute the CDF and quantiles of discrete distributions

A statistical programmer read my article about the beta-binomial distribution and wanted to know how to compute the cumulative distribution (CDF) and the quantile function for this distribution. In general, if you know the PDF for a discrete distribution, you can also compute the...
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Computing a date from the past (or future) with SAS

November 21, 2017
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Computing a date from the past (or future) with SAS

Social media has brought anniversary dates to the forefront. Every day, my view of Google Photos or Facebook shows me a collection of photos from exactly some number of years ago to remind me of how good things were back then. These apps are...
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How a data guy cooks a Thanksgiving dinner!

November 21, 2017
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Here in the US, we're preparing to celebrate the Thanksgiving holiday. Therefore  this Thursday most families in the US will be having a big turkey dinner. Although I'm a bachelor guy and eat out all the time, I'm actually a pretty good cook -...
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Using SAS to Help Girl Scouts Grow Cookie Sales!

November 20, 2017
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Motivating students is one of the major challenges teachers and student advocates face on a daily basis and encouraging students to be interested in analytics is a whole other mountain to climb, or is it? What motivates students? Often we make assumpti...
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Simulate data from the beta-binomial distribution in SAS

November 20, 2017
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Simulate data from the beta-binomial distribution in SAS

This article shows how to simulate beta-binomial data in SAS and how to compute the density function (PDF). The beta-binomial distribution is a discrete compound distribution. The "binomial" part of the name means that the discrete random variable X follows a binomial distribution with...
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Does your dashboard measure up?

November 18, 2017
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Information Dashboards were the hot topic a few years ago, but the hype seems to have died down lately. A good dashboard is still a very useful way to summarize, analyze, and share data - so I thought I'd re-visit the topic, and try...
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Catch run-time errors in SAS/IML programs

November 15, 2017
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Catch run-time errors in SAS/IML programs

Did you know that a SAS/IML function can recover from a run-time error? You can specify how to handle run-time errors by using a programming technique that is similar to the modern "try-catch" technique, although the SAS/IML technique is an older implementation. Preventing errors...
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A tip for debugging SAS/IML modules: The PAUSE statement

November 13, 2017
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A tip for debugging SAS/IML modules: The PAUSE statement

Debugging is the bane of every programmer. SAS supports a DATA step debugger, but that debugger can't be used for debugging SAS/IML programs. In lieu of a formal debugger, many SAS/IML programmers resort to inserting multiple PRINT statements into a function definition. However, there...
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