Overlay a curve on a bar chart in SAS

September 12, 2016
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Overlay a curve on a bar chart in SAS

One of the strengths of the SGPLOT procedure in SAS is the ease with which you can overlay multiple plots on the same graph. For example, you can easily combine the SCATTER and SERIES statements to add a curve to a scatter plot. However, if you try to overlay incompatible

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WUSS 2016: The Papers

September 11, 2016
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WUSS 2016: The Papers

The Western Users of SAS Software 2016 conference is over.  I have been to a lot of SAS conferences, but WUSS is always my favorite because it is big enough for me to learn a lot, but small enough to be really friendly.  I’m already excited about next year’s conference in Long Beach, September...
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You’ve got 10 minutes to present your analysis

September 9, 2016
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A good data analyst has to be focused, methodical, creative, rigorous, analytical and more when doing their work. If that is not enough, when presenting their work the wisdom of a philosopher may be required. It seems the requirements do not stop.  The analyst is wise to remember the words

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Where will the ‘union vote’ matter most in the upcoming election?

September 8, 2016
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In the past, a large percentage of US workers have been union members, and the unions could exert a big influence on elections. How powerful are the unions these days, an where do they wield the most influence? Let's map it out... In 1954, almost 35% of US workers belonged to

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Coverage probability of confidence intervals: A simulation approach

September 8, 2016
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Coverage probability of confidence intervals: A simulation approach

The article uses the SAS DATA step and Base SAS procedures to estimate the coverage probability of the confidence interval for the mean of normally distributed data. This discussion is based on Section 5.2 (p. 74–77) of Simulating Data with SAS. What is a confidence interval? Recall that a confidence

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Use Slack bot to monitor the server

September 7, 2016
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I used to install Datadog or other SaaS to monitor my Linux boxes on the cloud. Most times they are just overkill for my tiny servers with only 1GB or 2GB memory. Actually what I am most interested is the up-and-running processes, or/and the exact memory usage. And I need a mobile solution...
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The Analytics Experience – virtually anywhere

September 6, 2016
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Analytics experts and decision makers are taking over Las Vegas Sept. 12-14 while attending Analytics Experience. Whether you are in Vegas or need to participate from the luxury of your sofa or office, read on for help to stay connected and be a part of it all. Watch Live There

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Graph a step function in SAS

September 6, 2016
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Graph a step function in SAS

Last week I wrote about how to compute sample quantiles and weighted quantiles in SAS. As part of that article, I needed to draw some step functions. Recall that a step function is a piecewise constant function that jumps by a certain amount at a finite number of points. Graph

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Can you name all the SAS colors?

September 2, 2016
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Anybody can come up with a list of simple colors, such as red, green, and blue. If you're a bit more color savvy, you might even throw in indigo, magenta, and fuchsia. But what about more obscure names such as cornsilk, mistyrose, and midnightblue? This blog post will help you

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