Which are the oldest .com domains?

January 3, 2018
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Over the New Year's weekend, I was listening to the re-broadcast of Dick Clark's Top 100 music countdown from the 1980s ... it was the music from my high school and college years, when synthesizers and fun-rap music popped onto the scene. Another thing...
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The top 10 posts from The DO Loop in 2017

January 3, 2018
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The top 10 posts from The DO Loop in 2017

I wrote more than 100 posts for The DO Loop blog in 2017. The most popular articles were about SAS programming tips, statistical data analysis, and simulation and bootstrap methods. Here are the most popular articles from 2017 in each category. General SAS programming techniques INTCK and INTNX: Do you

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VVALUE and VVALUEX functions

December 22, 2017
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VVALUEXVVALUE
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What Wikipedia pages are the most popular?

December 22, 2017
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When I was growing up, our family had a bookcase containing a set of encyclopedias - it was where I went to obtain information and facts about various things, to satisfy my curiosity and impress my friends. Now that we have the Internet, Wikipedia has ...
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Visualize activations functions using keras

December 22, 2017
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Visualize activations functions using keras

In keras, we can visualize activation functions' geometric properties using backend functions over layers of a model. We all know the exact function of popular activation functions such as 'sigmoid', 'tanh', 'relu', etc, and we can feed data to these f...
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How to create a sliced fit plot in SAS

December 20, 2017
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How to create a sliced fit plot in SAS

I previously showed an easy way to visualize a regression model that has several continuous explanatory variables: use the SLICEFIT option in the EFFECTPLOT statement in SAS to create a sliced fit plot. The EFFECTPLOT statement is directly supported by the syntax of the GENMOD, LOGISTIC, and ORTHOREG procedures in

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Counting fast-food calories over the holiday

December 18, 2017
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Most of us put on a few pounds over the holidays. It's difficult not to, with the holiday dinners, and then all the special desserts, snacks, and candies. But there might also be another source of extra calories that you hadn't thought about - fast-foo...
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Visualize multivariate regression models by slicing continuous variables

December 18, 2017
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Visualize multivariate regression models by slicing continuous variables

Slice, slice, baby! You've got to slice, slice, baby! When you fit a regression model that has multiple explanatory variables, it is a challenge to effectively visualize the predicted values. This article describes how to visualize the regression model by slicing the explanatory variables. In SAS, you can use the

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What do they call Santa in other countries?

December 15, 2017
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With the Christmas holiday approaching, I got to wondering what they call Santa in other countries. Of course, some countries don't celebrate Christmas - but most countries at least have some sort of "winter holiday," and most also have some tradition ...
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