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 table on the DEA website titled

The post Read more »

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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Odds ratio plots with a logarithmic scale in SAS

July 29, 2015
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Odds ratio plots with a logarithmic scale in SAS

I recently read an argument by Andrew Wheeler for using a logarithmic axis for plotting odds ratios. I found his argument convincing. Accordingly, this blog post shows how to create an odds ratio plot in SAS where the ratio axis is displayed on a...
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Was the dress blue … or was it teal, sky, turquoise, or spindrift?

July 28, 2015
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I saw the dress photo as blue & black. If you're a female, even if we perceived the exact same color, you might might not have said 'blue & black'. That's because women have a larger color vocabulary than men, and you might have...
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Great Developers Communicate!

July 28, 2015
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Great Developers Communicate!

There are so many skills that make a difference between a good developer (someone who knows their syntax and has a bagful of good design patterns) and a great developer. Many of those differentiating skills are related to communication.

I...
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