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Programming Tips

Strengthen your programming skills with tips and techniques from the experts

Learn SAS | Programming Tips

Architecture of an MPP session in SAS Viya. The client calls an action, which can use multiple nodes and threads.

Rick WicklinJune 10, 2020 0

An introduction to the iml action in SAS Viya

This article introduces the iml action, which is available in SAS Viya 3.5. The iml action supports most of the same syntax and functionality as the SAS/IML matrix language, which is implemented in PROC IML. With minimal changes, most programs that run in PROC IML also run in the iml

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Learn SAS | Programming Tips | Students & Educators

Joe FurbeeJune 3, 2020 0

How to save Jupyter notebooks in assorted formats

Learning never stops. When SAS had to change this year’s SAS Global Forum (SASGF) to a virtual event, everyone was disappointed. I am, however, super excited about all of the papers and stream of video releases over the last month (and I encourage you to register for the upcoming live

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Programming Tips

Yinliang WuJune 2, 2020 0

Transform word vector tables from long to wide

In natural language processing, word vectors play a key role in making technologies such as machine translation and speech recognition possible. Let's talk about how to transform word vector tables from long to wide in SAS, so we can potentially get sentence vectors to process further.

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Programming Tips

Ron CodyMay 29, 2020 0

Using SAS to estimate the link between ozone and asthma (and a neat trick)

While working at the Rutgers Robert Wood Johnson Medical School, I had access to data on over ten million visits to emergency departments in central New Jersey, including ICD-9 (International Classification of Disease – 9th edition) codes along with some patient demographic data. I also had the ozone level from

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Health Care | Life Sciences

Learn SAS | Programming Tips

SAS toolbox: macro functions

Leonid BatkhanMay 27, 2020 0

Multi-purpose macro function for getting information about data sets

SAS' Leonid Batkhan describes programming technique for creating multi-purpose SAS® Macro functions.

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Programming Tips

Rick WicklinMay 20, 2020 0

Bilinear interpolation in SAS

This article shows how to perform two-dimensional bilinear interpolation in SAS by using a SAS/IML function. It is assumed that you have observed the values of a response variable on a regular grid of locations. A previous article showed how to interpolate inside one rectangular cell. When you have a

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Learn SAS | Programming Tips

Chris Hemedinger

Chris HemedingerMay 19, 2020 0

How to copy files in SAS Enterprise Guide

One of the problems that trips up experienced SAS users when they begin to use SAS Enterprise Guide is a result of simple geography. The SAS Enterprise Guide application runs here, on your desktop. The SAS Workspace session (which accesses data and cranks through your analysis) runs over there, on

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Data Visualization | Programming Tips

Robert AllisonMay 18, 2020 0

I'm just an ordinary average curve ...

If you're close to my age, you probably remember Joe Walsh's song Ordinary Average Guy. That song popped into my head when I was writing this example about moving averages, so I encourage you to listen to it while reading the blog post. Many people are looking at graphs lately

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Programming Tips

Rick WicklinMay 18, 2020 0

What is bilinear interpolation?

I've previously written about linear interpolation in one dimension. Bilinear interpolation is a method for two-dimensional interpolation on a rectangle. If the value of a function is known at the four corners of a rectangle, an interpolation scheme gives you a way to estimate the function at any point in

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Programming Tips

Chevell ParkerMay 14, 2020 0

How to Add Sticky Headers with ODS HTML

This blog demonstrates how to modify your ODS HTML code to make your column headers “sticky,” or fixed in position. Using sticky headers is most beneficial when you have long tables on your web page and you want the column headers to stay in view while scrolling through the rest of the page.

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Analytics | Learn SAS | Programming Tips | Work & Life at SAS

Aubrey BarfieldMay 12, 2020 0

What to expect when you take SAS training: Before, during and after

You’ve chosen the right class, added-to-cart, and hit submit. You’re committed – now what? Once you book a class with us, no matter the format, you can expect an email confirming your request within 24 hours. For instructor-led training courses, a reminder email is sent 3-5 days before the course

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Analytics | Programming Tips

Rick WicklinMay 11, 2020 0

Cubic spline interpolation in SAS

I recently showed how to use linear interpolation in SAS. Linear interpolation is a common way to interpolate between a set of planar points, but the interpolating function (the interpolant) is not smooth. If you want a smoother interpolant, you can use cubic spline interpolation. This article describes how to

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Data Visualization | Programming Tips

Debpriya Sarkar

Debpriya SarkarMay 8, 2020 0

Visualizing COVID-19 data using SGPLOT and SGPANEL

As we continue to process and understand the ongoing effects of the novel coronavirus, many of us have grown used to viewing COVID-19 dashboards and visualizations, including this popular coronavirus dashboard from SAS. If you are more accustomed to building graphs and visualizations using the SGPLOT and SGPANEL procedures, this

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Learn SAS | Programming Tips

Kathryn McLawhornMay 5, 2020 0

Using STYLE/MERGE and STYLE/REPLACE in PROC REPORT

In this edition of Problem Solvers, SAS Technical Support's Kathryn McLawhorn walks you through two PROC REPORT techniques.

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Analytics | Programming Tips

Rick WicklinMay 4, 2020 0

Linear interpolation in SAS

SAS programmers sometimes ask about ways to perform one-dimensional linear interpolation in SAS. This article shows three ways to perform linear interpolation in SAS: PROC IML (in SAS/IML software), PROC EXPAND (in SAS/ETS software), and PROC TRANSREG (in SAS/STAT software). Of these, PROC IML Is the simplest to use and

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Advanced Analytics | Data Visualization | Programming Tips

Xavier BizouxApril 28, 2020 0

Continuous Integration/Continuous Delivery – Using Python and REST APIs for SAS Visual Analytics reports

With increasing interest in Continuous Integration/Continuous Delivery (CI/CD), many SAS Users want to know what can be done for Visual Analytics reports. In this article, I will explain how to use Python and SAS Viya REST APIs to extract a report from a SAS Viya environment and import it into another environment.

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Analytics | Programming Tips

Rick WicklinApril 27, 2020 0

The circular law for eigenvalues

I've previously written about how to generate points that are uniformly distributed in the unit disk. A seemingly unrelated topic is the distribution of eigenvalues (in the complex plane) of various kinds of random matrices. However, I recently learned that these topics are somewhat related! A mathematical result called the

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Advanced Analytics | Analytics | Machine Learning | Programming Tips | Students & Educators

Cristiane Rodrigues

Cristiane RodriguesApril 23, 2020 0

9 passos para uma modelagem preditiva eficaz

Modelos de machine learning estão cada dia mais em alta no mercado de trabalho. Mas o que são esses modelos? Por que eles ganharam tanto destaque? Por que todos querem usar? Gosto de dizer que modelos de machine learning são modelos estatísticos acrescidos de poder computacional, e que as empresas

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Brazilian Portuguese

Learn SAS | Programming Tips

Leonid BatkhanApril 22, 2020 0

How to create and use SAS macro functions

SAS' Leonid Batkhan differentiates between SAS macro and programming languages, defines two types of SAS macros and much more.

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Learn SAS | Programming Tips | SAS Administrators

Terry BarhamApril 21, 2020 0

The value of SAS certifications

The demand for data skills has been growing at a rapid rate and will continue to progress for years to come. According to the World Economic Forum (WEF), Data and AI will experience the highest annual growth rate for job opportunities, at 41%. It’s no surprise that the need for

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Programming Tips

Peter Styliadis

Peter StyliadisApril 15, 2020 0

Getting Started with Python Integration to SAS® Viya® - Part 1 - Making a Connection

Welcome to the first post for the Getting Started with Python Integration to SAS Viya series! With the popularity of the Python programming language for data analysis and SAS Viya's ability to integrate with Python, I thought, why not create tutorials for users integrating the two? To begin the series

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Programming Tips

Joe FurbeeApril 13, 2020 0

Storage in the Cloud – SAS and Azure

Editor’s note: This is the third article in a series by Conor Hogan, a Solutions Architect at SAS, on SAS and database and storage options on cloud technologies. This article covers the SAS offerings available to connect to and interact with the various storage options available in Microsoft Azure. Access

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Analytics | Learn SAS | Programming Tips

Lucas de PaulaApril 2, 2020 0

Extending Excel with Python and SAS

Whether you like it or not, Microsoft Excel is still a big hit in the data analysis world. From small to big customers, we still see fit for daily routines such as filtering, generating plots, calculating items on ad-hoc analysis or even running statistical models. Whenever I talk to customers,

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Learn SAS | Programming Tips

Charu ShankarApril 1, 2020 0

How to land a job as a SAS professional

SAS' Charu Shankar shares six tips for landing a job as a SAS user.

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Data Visualization | Programming Tips

Robert AllisonMarch 30, 2020 0

Tracking Coronavirus Disease 2019 (COVID-19) in the US at the state/county level

Now that COVID-19 is spreading in the US, I thought it might be helpful to view the data at a more granular level. Follow along as I plot the county data on a map and discuss how the color-binning can influence people's perception of the data. Maps like this can

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Programming Tips

Chris Hemedinger

Chris HemedingerMarch 23, 2020 0

Tricks for importing text files in SAS Enterprise Guide

I'm a big fan of the Import Data task in SAS Enterprise Guide, especially for its support of text-based files (CSV, tab delimited, fixed width, and more). There's no faster method for generating SAS code that reads your data exactly the way you need it. I use the tool so

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Programming Tips

Martin MinceyMarch 20, 2020 0

How to debug 5 common SAS® software font issues

Martin Mincey of SAS Technical Support shows you how to debug when listing registered SAS fonts, registering new fonts, getting SAS SG procedures to use a new font and more.

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Learn SAS | Programming Tips

Suzanne MorgenMarch 19, 2020 0

Free e-book: SAS Programming for R Users

At SAS Press, we agree with the saying “The best things in life are free.” And one of the best things in life is knowledge. That’s why we offer free e-books to help you learn SAS or improve your skills. In this blog post, we will introduce you to one

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Learn SAS | Programming Tips

Rick WicklinMarch 18, 2020 0

Print SAS/IML variables with formats

A SAS/IML programmer asked about the best way to print multiple SAS/IML variables when each variable needs a different format. He wanted the output to resemble the "Parameter Estimates" table that is produced by PROC REG and other SAS/STAT procedures. This article shows four ways to print SAS/IML vectors in

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Programming Tips

Daria Rostovtseva

Daria RostovtsevaMarch 16, 2020 0

Challenge accepted: Learning data prep in CASL

As a long-time SAS 9 programmer, I typically accomplish my data preparation tasks through some combination of the DATA Step, Proc SQL, Proc Transpose and some housekeeping procs like Proc Contents and Proc Datasets. With the introduction of SAS Viya, SAS released a new scripting language called CASL – a

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