Distance correlation

April 4, 2018
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Distance correlation

Correlation is a statistic that measures how closely two variables are related to each other. The most popular definition of correlation is the Pearson product-moment correlation, which is a measurement of the linear relationship between two variables. Many textbooks stress the linear nature of the Pearson correlation and emphasize that

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Tracking the reentry of China’s space station

April 2, 2018
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If you grew up as a space-junkie kid like me, then you've probably been watching the news for the past few days, wondering when and where China's Tiangong 1 space station was going to fall out of orbit, and crash to Earth. According to Popular Mechanics (PM), that happened at 8:16pm

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The chi-square test: An example of working with rows and columns in SAS

April 2, 2018
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The chi-square test: An example of working with rows and columns in SAS

As a general rule, when SAS programmers want to manipulate data row by row, they reach for the SAS DATA step. When the computation requires column statistics, the SQL procedure is also useful. When both row and column operations are required, the SAS/IML language is a powerful addition to a

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Can you name that music media player?

March 28, 2018
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These days, it's all about music streaming ... You sign up for a service, you let them know your music preferences, and they create a virtual "radio station" that plays the songs you probably want to hear. But that just doesn't compare with going to a ...
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Using Excel for Data Entry

March 28, 2018
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This article shows you how to enter data so that you can easily open in statistics packages such as R, SAS, SPSS, or jamovi (code or GUI steps below). Excel has some statistical analysis capabilities, but they often provide incorrect answers. For … Continue reading
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Find the distance between observations and a target value

March 28, 2018
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Find the distance between observations and a target value

Suppose you want to find observations in multivariate data that are closest to a numerical target value. For example, for the students in the Sashelp.Class data set, you might want to find the students whose (Age, Height, Weight) values are closest to the triplet (13, 62, 100). The way to

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Authoring a data-driven book – yes, we do that!

March 26, 2018
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At SAS we use data to accomplish many of our everyday tasks. At SAS Books, we have now even used data to create a data-driven book, An Introduction to SAS Visual Analytics. The post Authoring a data-driven book - yes, we do that! appeared first on SAS ...
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Avoiding rush hour traffic!

March 26, 2018
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As the Research Triangle Park becomes more popular, we're getting a lot more traffic on the roads. And with flexible work hours, of course I try to pick a time to drive to work when there's less traffic. I recently saw a cool infographic showing the mo...
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Jedi SAS Tricks: The DSTODS2 Procedure

March 26, 2018
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You have the infrastructure, and you know that DATA step would run so much better in DS2, but it’s complicated and you don’t know how to get started. Well, if you have SAS 9.4M5, rejoice! The DStoDS2 procedure is here, and it’s a humdinger! (No, Chris,...
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