A Monte Carlo algorithm to estimate a median

February 21, 2018
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A Monte Carlo algorithm to estimate a median

This article describes and implements a fast algorithm that estimates a median for very large samples. The traditional median estimate sorts a sample of size N and returns the middle value (when N is odd). The algorithm in this article uses Monte Carlo techniques to estimate the median much faster.

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Examining 200k+ Russian troll tweets

February 20, 2018
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Unless you live under a rock, you've probably seen news reports that Russian trolls have been posting on social media to allegedly conduct what they called "information warfare against the United States, with the stated goal of spreading distrust towar...
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Six new SAS books for 2018

February 19, 2018
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Start off the New Year by brushing up your SAS programming skills! Begin your goal to become SAS certified or explore these New SAS books and other SAS Press titles, many of which will be making their bookshelf debut at SAS® Global Forum 2018 in Denver...
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Compute the quantiles of any distribution

February 19, 2018
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Compute the quantiles of any distribution

Your statistical software probably provides a function that computes quantiles of common probability distributions such as the normal, exponential, and beta distributions. Because there are infinitely many probability distributions, you might encounter a distribution for which a built-in quantile function is not implemented. No...
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SAS Academy for Data Science creates top-rate analytical professionals

February 16, 2018
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Do a quick search on “data scientist” on any of the popular job boards and there’s no denying the global shortage of data scientists is a real one. And, whether you’re looking for the salary commensurate with the prestigious title, a fast pass to...
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Building a SAS Global Forum infographic

February 14, 2018
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You might have seen a SAS Global Forum infographic floating around the web. And maybe you  wondered how you might create something similar using SAS software? If so, then this blog's for you - I have created my own version of the infographic using...
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The difference between CLASS statements and BY statements in SAS

February 14, 2018
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The difference between CLASS statements and BY statements in SAS

When I first learned to program in SAS, I remember being confused about the difference between CLASS statements and BY statements. A novice SAS programmer recently asked when to use one instead of the other, so this article explains the difference between the CLASS...
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Did I add that CA Certificate to the SAS Trusted CA Bundle?

February 14, 2018
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Sometimes I forget whether I’ve added our internal site root and intermediate CA certificates to the Trusted CA Bundle that SAS® Software applications use. Sometimes I also forget the command I can use to find out whether I did! 😉 As is ofte...
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jamovi for R: Easy but Controversial

February 14, 2018
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jamovi for R: Easy but Controversial

jamovi is software that aims to simplify two aspects of using R. It offers a point-and-click graphical user interface (GUI). It also provides functions that combines the capabilities of many others, bringing a more SPSS- or SAS-like method of programming … Continue reading...
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