What are the most common occupations in each US state?

August 17, 2018
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When I'm at a social gathering, someone always asks what type of work I do. I like to keep my social life separate from my work, therefore I usually give a vague answer such as "software" (and quickly change the topic). How vague or specific is your re...
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Metacoda Plug-ins Tip: Removing an Unwanted Auth Domain and Logins

August 17, 2018
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This tip details how to go about removing an unwanted Authentication Domain and all associated Login objects from SAS metadata. A need for this can arise when you have been temporarily (or accidentally/unnecessarily) added a second set of inbound login...
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Optimization with nonlinear constraints in SAS

August 15, 2018
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Optimization with nonlinear constraints in SAS

This article shows how to perform an optimization in SAS when the parameters are restricted by nonlinear constraints. In particular, it solves an optimization problem where the parameters are constrained to lie in the annular region between two circles. The end of the article shows the path of partial solutions

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Announcing the AnalyticsX Hackathon: Are you up for it?

August 14, 2018
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Even though I’ve worked at SAS for nearly 30 years, I still get excited when great things come together for our customers! This year we are hosting the very first hackathon at our Analytics Experience conference in San Diego - the AnalyticsX Hackathon....
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A quantile regression analysis of chess ratings by age

August 13, 2018
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A quantile regression analysis of chess ratings by age

My colleague, Robert Allison, recently published an interesting visualization of the relationship between chess ratings and age. His post was inspired by the article "Age vs Elo — Your battle against time," which was published on the chess.com website. ("Elo" is one of the rating systems in chess.) Robert Allison's

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Survey says! …. US voters are _________.

August 10, 2018
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Elections are in the news again, therefore I have been on the lookout for interesting graphs. I recently found some graphs of the Census Current Population Survey (CPS) Voting and Registration Supplement data, and tried to improve them. Follow along if...
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Five things you (probably) don’t know you can do with a hash table

August 9, 2018
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Hash tables are a very powerful and flexible data structure. Most SAS applications of hash tables focus on just one of their many powerful facilities: table lookup. Hash tables are a fantastic table lookup tool and their use for that should never be di...
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Fact checking a reddit post about GDP

August 8, 2018
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I peruse many different websites to get my news, and I always keep an eye out for good (or bad) presentations of data. I recently saw a posting on reddit claiming "U.S. GDP is greater than the total of all others combined." This news seemed too good to...
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Plot curves for levels of two categorical variables in SAS

August 8, 2018
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Plot curves for levels of two categorical variables in SAS

The SGPLOT procedure in SAS makes it easy to create graphs that overlay various groups in the data. Many statements support the GROUP= option, which specifies that the graph should overlay group information. For example, you can create side-by-side bar charts and box plots, and you can overlay multiple scatter

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