Using Lua within your SAS programs

August 3, 2015
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With apologies to this candy advertisement from the 1980s: "Hey, you got your Lua in my SAS program." "You got your SAS code in my Lua program!" Announcer: "PROC LUA: Two great programming languages that program great together!" What is Lua? It's an embeddable scripting language that is often used

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Creating a better graph to show trade deficit

August 3, 2015
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I recently saw a cool graph showing the US import/export trade deficit. But after studying it a bit, I realized I was perceiving it wrong. Follow along in this blog, to find out what the problem was, and how I redesigned the graph to avoid...
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Where did it come from? Adding the source of each observation to a SAS data set

August 3, 2015
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Where did it come from? Adding the source of each observation to a SAS data set

Imagine the following scenario. You have many data sets from various sources, such as individual stores or hospitals. You use the SAS DATA step to concatenate the many data sets into a single large data set. You give the big data set to a...
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Map of US domestic cannabis eradication

July 31, 2015
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In my quest for interesting data to graph, I found some Drug Enforcement Administration (DEA) data on US domestic cannabis eradication. Does the data say anything interesting? Read on to find out! ... While doing some searches for other data, I happened across a...
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Large matrices in SAS/IML 14.1

July 31, 2015
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Large matrices in SAS/IML 14.1

Last week, SAS released the 14.1 version of its analytics products, which are shipped as part of the third maintenance release of 9.4. If you run SAS/IML programs from a 64-bit Windows PC, you might be interested to know that you can now create...
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50 million illegal aliens apprehended in the US

July 29, 2015
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There's been quite a bit of controversy about the number of undocumented immigrants in the US lately - for example, Ann Coulter claims that number is 30 million, whereas others claim it's about 11 million (readers of my blog are data-savvy, and would dig...
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Deploy edx spark environment to DigitalOcean

July 29, 2015
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Deploy edx spark environment to DigitalOcean

This summer I took the Spark courses at edx CS100 and CS190, and had wonderful experience.
The two classes apply a Vagrant virtual machine containing Spark and all teaching materials. There are two challenges with the virtual machine —
  1. The labs usually take...
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SAS Enterprise Guide now updates itself

July 29, 2015
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SAS Enterprise Guide now updates itself

I returned to work from a 2+ week vacation this morning. When I fired up SAS Enterprise Guide (as I do each work day and occasionally on weekends), I was greeted with this message: As a SAS insider, I knew this was coming. It's...
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