Compute the geometric mean for many variables in SAS

October 14, 2019
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Compute the geometric mean for many variables in SAS

I recently wrote about how to use PROC TTEST in SAS/STAT software to compute the geometric mean and related statistics. This prompted a SAS programmer to ask a related question. Suppose you have dozens (or hundreds) of variables and you want to compute the geometric mean of each. What is

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How to Simulate DATA Step DESCENDING BY Statements in SAS® Cloud Analytic Services (CAS)

October 10, 2019
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How to Simulate DATA Step DESCENDING BY Statements in SAS® Cloud Analytic Services (CAS)

The SAS DATA Step's DESCENDING option on BY variables quickly reveals a data set's largest value.

How to Simulate DATA Step DESCENDING BY Statements in SAS® Cloud Analytic Services (CAS) was published on SAS Users.


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Top 5 SAS Books for Students

October 9, 2019
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Top 5 SAS Books for Students

As a fellow student, I know that making sure you get the right books for learning a new skill can be tough. To get you started off right, I would like to share the top SAS books that professors are requesting for students learning...
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What statistic should you use to display error bars for a mean?

October 9, 2019
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What statistic should you use to display error bars for a mean?

In a previous article, I mentioned that the VLINE statement in PROC SGPLOT is an easy way to graph the mean response at a set of discrete time points. I mentioned that you can choose three options for the length of the "error bars":...
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Graph the mean response versus time in SAS

October 7, 2019
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Graph the mean response versus time in SAS

It is always great to read an old paper or blog post and think, "This task is so much easier in SAS 9.4!" I had that thought recently when I stumbled on a 2007 paper by Wei Cheng titled "Graphical Representation of Mean Measurement...
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Compute the geometric mean, geometric standard deviation, and geometric CV in SAS

October 2, 2019
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Compute the geometric mean, geometric standard deviation, and geometric CV in SAS

I frequently see questions on SAS discussion forums about how to compute the geometric mean and related quantities in SAS. Unfortunately, the answers to these questions are sometimes confusing or even wrong. In addition, some published papers and web sites that claim to show...
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Happy Customer Experience Day!

October 1, 2019
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Happy Customer Experience Day!

On behalf of the entire global Customer Contact Center, “Happy CX Day!” to all our SAS users! Customer Experience Day (aka #CXDay2019) is one of our favorite days of the year—when we can reflect on customer interactions, questions and feedback from the past year—and...
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What is a geometric mean?

September 30, 2019
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What is a geometric mean?

There are several different kinds of means. They all try to find an average value from among a set of numbers. Although the most popular mean is the arithmetic mean, the geometric mean can be useful for problems in statistics, finance, and biology. A...
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Machine learning with SASPy: Exploring and preparing your data (part 2)

September 27, 2019
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Machine learning with SASPy: Exploring and preparing your data (part 2)

This article continues a series that began with Machine learning with SASPy: Exploring and preparing your data (part 1). Part 1 showed you how to explore data using SASPy with Python. Here, in part 2, you will learn how to begin to prepare your...
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