Can you see these spots (after viewing the eclipse)?

August 21, 2017
By

Hopefully if you're viewing the eclipse today, you'll be using one of the safe methods that won't harm your eyes! ... But if you're somewhat of a trickster, here's an optical illusion you can send your friends after the eclipse, that might make them wo...
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6 tips for timing the performance of algorithms

August 21, 2017
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When you implement a statistical algorithm in a vector-matrix language such as SAS/IML, R, or MATLAB, you should measure the performance of your implementation, which means that you should time how long a program takes to analyze data of varying sizes and characteristics. There are some general tips that can

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Code debugging and program history in SAS Enterprise Guide

August 18, 2017
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SAS programmers have high expectations for their coding environment, and why shouldn't they? Companies have a huge investment in their SAS code base, and it's important to have tools that help you understand that code and track changes over time. Few things are more satisfying as a SAS program that

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Mapping out the next robot invasion!

August 17, 2017
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Robots - everyone has probably been fascinated by the idea of robots at one time or another. From the early science fiction robots (such as Klaatu's robot Gort) to the mid-1980s movie robots (like Johnny 5), they have been portrayed in many different w...
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Which of my factors are important?

August 16, 2017
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This question has been asked repeatedly for decades by anyone facing a new system. That system might be a new product, a new piece of equipment, a new process, or anything really that is new and not well understood. Ultimately, you might need to change...
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Jedi SAS Tips – Favorite Resources for SAS Programmers

August 16, 2017
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I frequently get asked about my favorite book on a particular topic, how to find free SAS learning materials online, how to get help with SAS issues, etc. This lead me to compile a "Great Resources for SAS Programmers" document which I freely share wit...
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Use a bar chart to visualize pairwise correlations

August 16, 2017
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Visualizing the correlations between variables often provides insight into the relationships between variables. I've previously written about how to use a heat map to visualize a correlation matrix in SAS/IML, and Chris Hemedinger showed how to use Base SAS to visualize correlations between variables. Recently a SAS programmer asked how

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Java Look & Feel with SAS Management Console on Linux

August 16, 2017
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As someone who specialises in SAS® metadata security, I spend a lot of time using the Authorization tab in SAS Management Console. I also use Linux a great deal. When I run SAS Management Console on Linux, I’ve noticed that the check box background colours on the Authorization tab don’t render correctly (for me...
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Tracking floods and droughts in Jordan Lake, NC

August 15, 2017
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If you know me, you probably know that I spend a lot of time on the water. I like speed paddling (dragon boat, outrigger canoe, surfski, and racing SUP), and I also have a big pontoon boat at Jordan Lake where I try to go fishing at least once a ...
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