Learn SAS | Programming Tips

Rick WicklinNovember 11, 2019 0

Round to even

In grade school, students learn how to round numbers to the nearest integer. In later years, students learn variations, such as rounding up and rounding down by using the greatest integer function and least integer function, respectively. My sister, who is an engineer, learned a rounding method that rounds half-integers

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Learn SAS | Programming Tips

Ron CodyNovember 6, 2019 0

Making your SAS code more readable

Learn about best-selling SAS author Ron Cody's programming standards.

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Analytics | Data Visualization | Learn SAS

Rick WicklinNovember 4, 2019 0

How to interpret graphs in a principal component analysis

Understanding multivariate statistics requires mastery of high-dimensional geometry and concepts in linear algebra such as matrix factorizations, basis vectors, and linear subspaces. Graphs can help to summarize what a multivariate analysis is telling us about the data. This article looks at four graphs that are often part of a principal

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Learn SAS | Programming Tips

Joe FurbeeOctober 31, 2019 0

Append tables in SAS® Viya® with REST APIs – a treat, no tricks

While growing up in the 80's, I watched The Golden Girls on TV with my Grandma Betty. Now, when my sister visits, we binge watch reruns on TV Land. I was excited when I saw for this Halloween, you could buy Golden Girls costumes! Too bad they sold out right

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Learn SAS | Programming Tips

Rick WicklinOctober 30, 2019 0

Compute the first or last day of a month or year

Every year at Halloween, I post an article that shows a SAS trick that is a real treat. This article shows how to use the INTNX function to find dates that are related to a specified date. The INTNX function is a sweet treat, indeed. I previously wrote an article

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Data Visualization | Learn SAS | Programming Tips

Leonid BatkhanOctober 30, 2019 0

How to create checklist tables in SAS®

Leonid Batkhan shows you easy ways to create a checklist table in SAS software.

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Learn SAS | Programming Tips

Susan SlaughterOctober 29, 2019 0

The Little SAS Book 6.0: The best-selling SAS book gets even better

Find out about the changes and enhancements to the best-selling book, The Little SAS Book.

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Learn SAS | Programming Tips

Rick WicklinOctober 28, 2019 0

Use regular expressions to specify variable names in SAS

A common task in SAS programming is to specify a list of variables that satisfy some pattern. You can specify lists for the KEEP= or DROP= data set options, and you can use lists of variables on many SAS statements such as the VAR and MODEL statements. Although SAS has

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Analytics | Data Visualization | Learn SAS

Rick WicklinOctober 21, 2019 0

Compute and visualize binomial proportions in SAS

Computing rates and proportions is a common task in data analysis. When you are computing several proportions, it is helpful to visualize how the rates vary among subgroups of the population. Examples of proportions that depend on subgroups include: Mortality rates for various types of cancers Incarceration rates by race

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Analytics | Learn SAS

Rick WicklinOctober 14, 2019 0

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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Learn SAS | Programming Tips

Missy HannahOctober 9, 2019 0

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 SAS. With this inside sneak-peek, you

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Data Visualization | Learn SAS

Rick WicklinOctober 7, 2019 0

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 over Time." A substantial portion of

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Tricia JenkinsOctober 1, 2019 0

Happy Customer Experience Day!

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 look to the year ahead for ways to enhance our customers’ experience, like expanding our support options and helping drive improvements to our website and self-service offerings.

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Advanced Analytics | Analytics | Learn SAS | Machine Learning | Programming Tips

Nelson GrajalesSeptember 27, 2019 0

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 data to use it within a

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Analytics | Data Management | Learn SAS | Programming Tips

Kumar ThangamuthuSeptember 26, 2019 0

Data and Analytics Innovation using SAS & Spark - part 2

In part 1 of this post, we looked at setting up Spark jobs from Cloud Analytics Services (CAS) to load and save data to and from Hadoop. Now we are moving on to the next step in the analytic cycle, scoring data in Hadoop and executing SAS code as a

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Advanced Analytics | Learn SAS

Susan KahlerSeptember 24, 2019 0

Videos: Building computer vision models with Python and SAS Deep Learning

This series of videos spotlights a very powerful API that lets you use Python while also having access to the power of SAS Deep Learning.

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Suzanne MorgenSeptember 23, 2019 0

Top 8 Global English Guidelines

The SAS Global Forum 2020 call for content is open until Sept. 30, 2019. Are you thinking of submitting a paper? If so, we have a few tips adapted from The Global English Style Guide that will help your paper shine. By following Global English guidelines, your writing will be

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Rick WicklinSeptember 23, 2019 0

Use the SHORT option in Base SAS procedures to reduce output

Although I do not typically blog about undocumented SAS options, I'll make an exception this time. For many years, I have known that the CONTENTS and COMPARE procedures support the BRIEF and SHORT options, but I always forget which option goes with which procedure. For the record, here are the

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Data Visualization | Learn SAS

Rick WicklinSeptember 11, 2019 0

Axis tables versus rotated text: How to display a wide table in a small graph

I often use axis tables in PROC SGPLOT in SAS to add a table of text to a graph so that the table values are aligned with the data. But axis tables are not the only way to display tabular data in a graph. You can also use the TEXT

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Learn SAS | SAS Events

Jenna CodySeptember 10, 2019 0

11 Reasons to Apply for the New SAS Professional Award

I recently had the incredible opportunity to attend SAS Global Forum in Dallas as a presenter and New SAS Professional Award recipient. At the conference, I was able to learn more about SAS features and applications, share my knowledge of SAS applications in the clinical trials space, and make new

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Advanced Analytics | Analytics | Learn SAS | Machine Learning | Programming Tips

Nelson GrajalesSeptember 9, 2019 0

Machine learning with SASPy: Exploring and preparing your data (part 1)

SASPy is a powerful Python library that interfaces with SAS and can help with your machine-learning solutions. SASPy was created for Python programmers to leverage the power of SAS within their Python scripts. If you are not familiar with SASPy, see the following resources: Introducing SASPy: Use Python code to

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Data Visualization | Learn SAS

Rick WicklinSeptember 9, 2019 0

Anchor points and rotated text in PROC SGPLOT

The TEXT statement in PROC SGPLOT supports the ROTATE= option to rotate the specified text. It is worth knowing how the ROTATE= option interacts with the POSITION= option, which determines the anchor point at which the text is positioned. Briefly, the text is positioned FIRST, then the rotation occurs. The

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Missy HannahSeptember 8, 2019 0

Celebrating #InternationalLiteracyDay with Free SAS E-books!

Today, September 8th, is International Literacy Day! A day celebrated by UNESCO since 1967 to emphasize the importance of literacy around the world. Here at SAS, we have decided to highlight data literacy, a critical part of our evolving knowledge as data and analytics continue to dominate the way we

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Learn SAS | Programming Tips

Beverly BrownSeptember 4, 2019 0

YouTube.com/SASusers: a pop of personality

Editor's Note: SAS' Evan Mann contributed to this post. First came SAS' reputation as a great place to work. Next came a storytellers article series offering a glimpse of the people behind the brand. Now there's the SAS Users YouTube Channel, where tutorial videos provide a window into some of

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Data Management | Learn SAS | Programming Tips

Kumar ThangamuthuAugust 27, 2019 0

Data and Analytics Innovation using SAS & Spark - part 1

This article is not a tutorial on Hadoop, Spark, or big data. At the same time, no prerequisite knowledge of these technologies is required for understanding. We’ll give you enough background prior to diving into the details. In simplest terms, the Hadoop framework maintains the data and Spark controls and

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Learn SAS | Programming Tips

Rick WicklinAugust 19, 2019 0

Timing performance in SAS/IML: Built-in functions versus Base SAS functions

One of my friends likes to remind me that "there is no such thing as a free lunch," which he abbreviates by "TINSTAAFL" (or TANSTAAFL). The TINSTAAFL principle applies to computer programming because you often end up paying a cost (in performance) when you call a convenience function that simplifies

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Learn SAS | Programming Tips

Rick WicklinAugust 14, 2019 0

Short-circuit evaluation and logical ligatures in SAS

Many programmers are familiar with "short-circuit" evaluation in an IF-THEN statement. Short circuit means that a program does not evaluate the remainder of a logical expression if the value of the expression is already logically determined. The SAS DATA step supports short-circuiting for simple logical expressions in IF-THEN statements and

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Data Visualization | Learn SAS

Scott HicksAugust 9, 2019 0

Esri integration with SAS Visual Analytics: Geocoding

Geocoding is no longer limited to just Base SAS. You can also geocode from within Visual Analytics, thanks to the integration with the Esri geocoding api. This feature is part of the Esri Premium agreement, and became available in VA 8.3.

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Learn SAS | Programming Tips

Rick WicklinAugust 7, 2019 0

The essential guide to binning in SAS

Do you want to bin a numeric variable into a small number of discrete groups? This article compiles a dozen resources and examples related to binning a continuous variable. The examples show both equal-width binning and quantile binning. In addition to standard one-dimensional techniques, this article also discusses various techniques

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Learn SAS | Machine Learning | Programming Tips

Rick WicklinAugust 5, 2019 0

How to use PROC HPBIN to bin numerical variables

Binning transforms a continuous numerical variable into a discrete variable with a small number of values. When you bin univariate data, you define cut point that define discrete groups. I've previously shown how to use PROC FORMAT in SAS to bin numerical variables and give each group a meaningful name

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