Posts Tagged ‘ Uncategorized ’

How to eat 724,548 donuts and burn 138 million calories!

February 5, 2016
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Eating donuts, burning calories, and raising money for a good cause -- that's what the annual Krispy Kreme Challenge is all about. If this intrigues you, read on to find out more... But first, here's a picture of me eating a donut, preparing for a race. I bet you didn't

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Sorting data in SAS: can you skip it?

February 4, 2016
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Sorting data in SAS: can you skip it?

TL;DR The next time that you find yourself writing a PROC SORT step, verify that you're working with the SAS Base engine and not a database. If your data is in a database, skip the SORT! The details: When to skip the PROC SORT step Many SAS procedures allow you

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Where might Zika virus strike next?

February 3, 2016
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The World Health Organization recently declared the Zika virus a global public health emergency. This virus is spread by certain mosquitoes, and therefore if we know where those mosquitoes are located, then we've got a pretty good idea of where the virus might spread. Before we get to the numbers, here

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Rolling statistics in SAS/IML

February 3, 2016
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Last week I showed how to use PROC EXPAND to compute moving averages and other rolling statistics in SAS. Unfortunately, PROC EXPAND is part of SAS/ETS software and not every SAS site has a license for SAS/ETS. For simple moving averages, you can write a DATA step program, as discussed

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What’s the most important new feature in SAS/STAT software?

February 1, 2016
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What do you think is the most important new feature in SAS/STAT? Well it depends! In this video, SAS developers talk about their new work and which customers will be excited about it and why. Healthcare professionals may lean toward the new rare events control charts in QC, which allows

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Group processing in SAS: The NOTSORTED option

February 1, 2016
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Group processing in SAS: The NOTSORTED option

Novice SAS programmers quickly learn the advantages of using PROC SORT to sort data, followed by a BY-group analysis of the sorted data. A typical example is to analyze demographic data by state or by ZIP code. A BY statement enables you to produce multiple analyses from a single procedure

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The data behind jail breaks

January 29, 2016
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You've probably seen headlines about the recent jail break in California. Do you think they'll catch those guys? Is there any data available about recapturing escapees? You betcha! ... And do they need some help graphing that data? It appears so! But before we get started on the graphs, here's

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Which lives longer – a honey bee or black ant?

January 28, 2016
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A honey bee can live for 8 years ... but a black garden ant can live even 20 years longer than that! Learn more details, and other interesting trivia, in this blog on "the longevity of things." I recently found The Animal Ageing and Longevity Database, and was fascinated by

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