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Learn SAS

Learn about the latest tips, tutorials, upcoming events and certifications

Analytics | Learn SAS

Rick WicklinOctober 17, 2018 0

Parameter estimates for different parameterizations

In a recent article about nonlinear least squares, I wrote, "you can often fit one model and use the ESTIMATE statement to estimate the parameters in a different parameterization." This article expands on that statement. It shows how to fit a model for one set of parameters and use the

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Analytics | Learn SAS

Rick WicklinOctober 15, 2018 0

Get the unique values of a variable in data order

There are several ways to use SAS to get the unique values for a data variable. In Base SAS, you can use the TABLES statement in PROC FREQ to generate a table of unique values (and the counts). You can also use the DISTINCT function in PROC SQL to get

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Learn SAS

Kathy CouncilOctober 11, 2018 0

New technologies and new direction for SAS Press

SAS Press is changing to meet the needs of customers worldwide.

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Analytics | Learn SAS

Rick WicklinOctober 10, 2018 0

Fit a growth curve in SAS

This article shows how to use SAS to fit a growth curve to data. Growth curves model the evolution of a quantity over time. Examples include population growth, the height of a child, and the growth of a tumor cell. This article focuses on using PROC NLIN to estimate the

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Learn SAS | Programming Tips

Chris HemedingerOctober 9, 2018 0

How to read multiple text files in SAS

The SAS INFILE statement can read multiple text files in a single DATA step. Use file name wildcards (like * and ?) and a special FILENAME= option to keep track of which records come from which files.

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Learn SAS | Programming Tips | Students & Educators

Ron CodyOctober 1, 2018 0

Three of My Favorite Programming Tips

I often get asked for programming tips. Here, I share three of my favorite tips for beginners. Tip #1: COUNTC and CATS Functions Together The CATS function concatenates all of its arguments after it strips leading and trailing blanks. The COUNTC function counts characters. Together, they can let you operate

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Analytics | Learn SAS | Students & Educators

Hidden Insights: Securing the future: Piloting data science qualifications

Elisabeth Versailles

Elisabeth VersaillesSeptember 24, 2018 0

Securing the future: Piloting data science qualifications

There is a question, almost philosophical in its nature, about who should be responsible for developing new skills in the workforce. In the days when employees expected to have a job for life, and stay with the same employer for 40 years, it made sense that employers paid, and often

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Learn SAS | Programming Tips

Jerry LeonardSeptember 21, 2018 0

Adding blank rows in TABULATE procedure results

Do you want to insert blank rows into your TABULATE procedure tables? Here's a SAS sample and two other methods that will get the job done.

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Data Management | Learn SAS | Programming Tips | Students & Educators

Sian RobertsSeptember 18, 2018 0

Three Proc SQL Tips from Bestselling Author Kirk Paul Lafler

SAS Press author Kirk Paul Lafler's favorite tips using PROC SQL.

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Artificial Intelligence | Learn SAS | Machine Learning

Henry BequetSeptember 10, 2018 0

Speeding Up Your Analytics with Machine Learning (Part 2)

This blog post introduces the use of deep learning to train a deep neural network to further improve performance; and hybrid architectures.

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Data Management | Learn SAS | Programming Tips

Ron CodySeptember 6, 2018 0

New edition of the Cody classic: Learning SAS® by Example

Find out about the new edition of Ron Cody's latest best selling book.

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Artificial Intelligence | Learn SAS | Machine Learning

Henry BequetSeptember 4, 2018 0

Speeding Up Your Analytics with Machine Learning (Part 1)

Hybrid computers that marry CPUs and devices like GPUs and FPGAs are the fastest computers, but they are hard to program. This post explains how deep learning (DL) greatly simplifies programming hybrid computers.

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Learn SAS

Ken GahaganAugust 29, 2018 0

4 FAQs about SAS Grid Manager and SAS Viya

How can SAS Grid Manager and SAS Viya work together to process massive volumes of data? Get answers to common questions about how the two interact in this blog post.

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Learn SAS | Programming Tips | SAS Events

Sian RobertsAugust 28, 2018 0

What your favorite authors are reading: More SAS Global Forum papers chosen by SAS Press authors (Part 2)

This blog post highlights more SAS Global Forum papers chosen by SAS Press authors.

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Learn SAS | Programming Tips

Kevin RussellAugust 24, 2018 0

How to COUNT CATs in SAS

How to count words in SAS with the COUNT functions, and concatenate strings by using the CAT functions. Use these tips to modernize your SAS code!

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Learn SAS | Programming Tips

Sian RobertsAugust 22, 2018 0

What your favorite authors are reading: SAS Press authors highlight SAS Global Forum papers

Three bestselling SAS Press authors feature their favorite papers from SAS Global Forum 2018.

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Learn SAS | Programming Tips

Rick WicklinAugust 22, 2018 0

Standardized regression coefficients

A SAS programmer recently asked how to interpret the "standardized regression coefficients" as computed by the STB option on the MODEL statement in PROC REG and other SAS regression procedures. The SAS documentation for the STB option states, "a standardized regression coefficient is computed by dividing a parameter estimate by

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Learn SAS | SAS Events

MaryAnne DePesquo

MaryAnne DePesquoAugust 20, 2018 0

Call for content now open for SAS Global Forum 2019

Did you know that the call for content is now open for SAS Global Forum 2019? Get the details and see why next year's Conference Chair MaryAnne DePesquo is excited about the big event in Dallas, Texas, April 28-May 1, 2019.

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Data Visualization | Learn SAS

Cindy WangAugust 17, 2018 0

Visualizing kernel density estimates in SAS Visual Analytics

Visualization of data density estimation, which is often used in statistical analysis and machine learning, will show the data’s characteristics like distribution, skewness and modality, etc. Commonly-used data density visualizations include boxplot, histogram, kernel density estimates, and some other plots. This blog post visualizes the kernel density estimates superimposing on histogram using SAS Visual Analytics.

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Data Visualization | Learn SAS | Programming Tips

Robert AllisonAugust 17, 2018 0

What are the most common occupations in each US state?

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 response? How vague

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Analytics | Data Visualization | Learn SAS

Rick WicklinAugust 15, 2018 0

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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Learn SAS | SAS Events | Students & Educators

Andy RavennaAugust 14, 2018 0

Announcing the #AnalyticsX Hackathon: Are you up for it?

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. Analytics Experience is in its third year

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Data Visualization | Learn SAS | Programming Tips

Robert AllisonAugust 10, 2018 0

Survey says! .... US voters are _________.

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 you're interested in voter data, or creating better graphs!

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Learn SAS | Programming Tips

Don HendersonAugust 9, 2018 0

Five things you (probably) don’t know you can do with a hash table

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 diminished. However, hash tables can do so

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Data Management | Data Visualization | Learn SAS | Programming Tips

Robert AllisonAugust 8, 2018 0

Fact checking a reddit post about GDP

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 be true

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Learn SAS | Programming Tips | SAS Events

Lexi HawksAugust 2, 2018 0

How SAS Viya uses REST APIs to integrate with Python

SAS Viya has opened an entirely new set of capabilities, allowing SAS to analyze on cloud technology in real-time. One of the best new features of SAS Viya is its ability to pair with open source platforms, allowing developers the freedom of language and implementation to integrate with the power

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Learn SAS | Students & Educators

Amy ShepherdAugust 1, 2018 0

My time at SAS as an intern…

Amy Shepherd, a recent graduate from The University of Nottingham, has spent the summer as an intern at SAS UK. As a last task we have asked her to share her final thoughts on what it's been like to undertake an internship. My time here at SAS has been varied to say the least, I arrived

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Learn SAS | Machine Learning

Susan KahlerAugust 1, 2018 0

Top three video resources for machine learning newbies

Several weeks ago, I wrote about practical advice from a Chief Data Scientist in my blog “From Aristotle to Pi: Practical advice from a chief data scientist.” Now I want to offer my advice as a newbie trying to navigate through machine learning concepts and how to code them. Over

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Analytics | Learn SAS

Rick WicklinAugust 1, 2018 0

Which variables are in the final selected model?

When you use a regression procedure in SAS that supports variable selection (GLMSELECT or QUANTSELECT), did you know that the procedures automatically produce a macro variable that contains the names of the selected variables? This article provides examples and details. A previous article provides an overview of the 'SELECT' procedures

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Analytics | Learn SAS | Programming Tips

Rick WicklinJuly 30, 2018 0

Meaningful names for columns of a design matrix

A programmer recently asked a question on a SAS discussion forum about design matrices for categorical variables. He had generated a design matrix by using PROC GLMMOD and wanted to use the design columns in a subsequent procedure. However, the columns were named COL1, COL2, COL3,..., so he couldn't tell

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