Analytics | Data Visualization | Programming Tips

Robert AllisonFebruary 20, 2018 0

Examining 200k+ Russian troll tweets

Unless you live under a rock, you've probably seen news reports that Russian trolls have been posting on social media to allegedly conduct "what they called information warfare against the United States, with the stated goal of spreading distrust toward the candidates and the political system in general," according to

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Communications | Government

Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeFebruary 19, 2018 0

Survival plot with a twist using SGPLOT procedure

Survival plots are automatically created by the LIFETEST procedure.  These graphs are most often customized to fit the needs of SAS users.  One way to create the customized survival plot is to save the generated data from the LIFETEST procedure, and then use the SGPLOT procedure to create your custom

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Communications | Health Care | Insurance | Life Sciences

Analytics | Programming Tips

Rick WicklinFebruary 19, 2018 0

Compute the quantiles of any distribution

Your statistical software probably provides a function that computes quantiles of common probability distributions such as the normal, exponential, and beta distributions. Because there are infinitely many probability distributions, you might encounter a distribution for which a built-in quantile function is not implemented. No problem! This article shows how to

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Programming Tips

Jane EslingerFebruary 16, 2018 0

Efficiency at your fingertips: Keyboard macros and function keys

It is not laziness—it is efficiency!!! Programmers are often called lazy; we even call ourselves lazy. But we are not lazy, we are just being efficient. It makes no sense to type the same code over and over again or use more keystrokes than are absolutely necessary. Keyboard Macros You

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Data Visualization | Programming Tips | SAS Events

Robert AllisonFebruary 14, 2018 0

Building a SAS Global Forum infographic

You might have seen a SAS Global Forum infographic floating around the web. And maybe you  wondered how you might create something similar using SAS software? If so, then this blog's for you - I have created my own version of the infographic using SAS/Graph, and I'll show you how

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English

Data Visualization | Programming Tips | SAS Administrators

Bobbie WagonerFebruary 7, 2018 0

Creating a custom regional map in SAS Visual Analytics 7.4

By default, SAS Visual Analytics 7.4 supports country and state level polygons for regional geomaps. In SAS Visual Analytics 7.4, custom shape files are now supported, as well. This means that if a site has their own custom polygon data that defines custom regions, it’s possible to create a region

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English

Data Visualization | Learn SAS | Programming Tips

Sanjay MatangeFebruary 5, 2018 0

Dual Response Axis Bar and Line Overlay - Part 1

A dual response axis chart is useful when the data type for the multiple measures are not compatible.  For example, when overlaying measures like "This Year" sales with "Last Year" sales, the format and magnitudes of the two measures (or values for two groups) may be compatible, and it is

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Programming Tips

Rick WicklinFebruary 5, 2018 0

Simulate the birthday-matching problem

This article simulates the birthday-matching problem in SAS. The birthday-matching problem (also called the birthday problem or birthday paradox) answers the following question: "if there are N people in a room, what is the probability that at least two people share a birthday?" The birthday problem is famous because the

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Analytics | Data Visualization | Programming Tips

Robert AllisonFebruary 2, 2018 0

Can felons vote in your state?

Can felons vote? This seemed like a simple question, but I realized that I wasn't 100% sure of the answer. Therefore I looked into the data ... and apparently "it depends". Follow along and see how I created a map to help answer this question. But before we take the

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Government

Analytics | Data for Good | Data Visualization | Programming Tips

Robert AllisonJanuary 30, 2018 0

Building a better flu map!

The flu seems to be especially potent this year. "How potent is it," you might ask? ... Well, let's plot some data on a map to help find out! Here in the US, the Centers for Disease Control and Prevention (CDC) compiles data about diseases, and provides reports and graphs

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Health Care

Analytics | Data for Good | Data Visualization | Programming Tips

Robert AllisonJanuary 29, 2018 0

A better way to view flu data

Have you, or someone you know, gotten the flu this year? Word on the street is that this year's flu might be particularly bad, and the data seem to be corroborating that so far. You don't want to take my word for it? -- well then, let's have a look

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English

Health Care

Learn SAS | Programming Tips

Rick WicklinJanuary 29, 2018 0

How to use the new random-number generators in SAS

What is a random number generator? What are the random-number generators in SAS, and how can you use them to generate random numbers from probability distributions? In SAS 9.4M5, you can use the STREAMINIT function to select from eight random-number generators (RNGs), including five new RNGs. After choosing an RNG,

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Data Visualization | Programming Tips

Daria RostovtsevaJanuary 26, 2018 0

How to create custom regional maps in SAS Visual Analytics 8.2

Are you interested in using SAS Visual Analytics 8.2 to visualize a state by regions, but all you have is a county shapefile?  As long as you can cross-walk counties to regions, this is easier to do than you might think. Here are the steps involved: Step 1 Obtain a

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English

Learn SAS | Programming Tips

Leonid BatkhanJanuary 25, 2018 0

Let SAS write batch scripts for you

If Necessity is the mother of Invention, then, perhaps, the father of Automation is Laziness. Automation is all about convenience, comfort, and productivity. Why do it yourself if you can devise something to do it for you! In my previous post Running SAS programs in batch under Unix/Linux, we learned

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Analytics | Data Visualization | Programming Tips

Robert AllisonJanuary 25, 2018 0

North Korea's 117 missile tests

Data doesn't always have to be 'big data' to be interesting. For example, I recently ran across a small, but very interesting, database containing all of North Korea's missile tests. The data was a bit difficult to digest in the formats provided, therefore I decided to try my hand at

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English

Advanced Analytics | Programming Tips

Patricia NeriJanuary 24, 2018 0

Solving Sudoku puzzles using Constraint Programming in SAS Optimization

Most people who work with optimization are familiar with Linear and Integer Programming, to their toolkit they could add Constraint Programming. Constraint Programming is a powerful technique that is used to solve powerful “real-world” problems in a variety of areas, such as, planning, scheduling, DNA Sequencing, computer graphics and natural

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English

Advanced Analytics | Programming Tips

Phil WeissJanuary 24, 2018 0

Getting your SAS 9 code to run multi-threaded in SAS Viya 3.3

This article and accompanying technical white paper are written to help SAS 9 users process existing SAS 9 code multi-threaded in SAS Viya 3.3. Read the full paper, Getting Your SAS 9 Code to Run Multi-Threaded in SAS Viya 3.3. The Future is Multi-threaded Processing Using SAS® Viya® When I first began

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Programming Tips

Rick WicklinJanuary 24, 2018 0

Use lists to pass parameters to SAS/IML functions

A popular way to use lists in the SAS/IML language is to pack together several related matrices into a single data structure that can be passed to a function. Imagine that you have written an algorithm that requires a dozen different parameters. Historically, you would have to pass those parameters

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Programming Tips

Chris HemedingerJanuary 23, 2018 0

How to test PROC HTTP and the JSON library engine

Using SAS with REST APIs is fun and rewarding, but it's also complicated. When you're dealing with web services, credentials, data parsing and security, there are a lot of things that can go wrong. It's useful to have a simple program that verifies that the "basic plumbing" is working before

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Programming Tips

Chris HemedingerJanuary 22, 2018 0

A Valentine challenge: express your <3 with SAS

Is it time to add SAS to the list of "romance" languages?*. It's no secret that there are enthusiastic SAS programmers who love the SAS language. So it only makes sense that sometimes, these programmers will "nerd out" and express their adoration for fellow humans by using the code that

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Analytics | Data Visualization | Programming Tips

Robert AllisonJanuary 22, 2018 0

Here are the Amazon HQ2 finalists!

Amazon recently announced the 20 finalists in their search for a location to house their new 2nd headquarters (nicknamed 'hq2'). They showed a map on their web page, but I wanted to create my own map, with a few improvements ... Here's their official map. It's not terrible, but it

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English

Retail

Programming Tips

Rick WicklinJanuary 22, 2018 0

Create lists by using a natural syntax in SAS/IML

SAS/IML 14.3 (SAS 9.4M5) introduced a new syntax for creating lists and for assigning and extracting item in a list. Lists (introduced in SAS/IML 14.2) are data structures that are convenient for holding heterogeneous data. A single list can hold character matrices, numeric matrices, scalar values, and other lists, as

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English

Data Visualization | Programming Tips

Sue MorrisonJanuary 19, 2018 0

Common annotate pitfalls and how to avoid them

The SAS/GRAPH® Annotate Facility is often viewed as a mysterious programming abyss that many SAS users do not wish to dive into, in part because of some not-so-obvious pitfalls that they might experience when using it. I view annotation as a frequently misunderstood and needlessly feared but powerful tool that

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English

Data Visualization | Programming Tips

Warren F. KuhfeldJanuary 19, 2018 0

Advanced ODS Graphics: DRAW statements (part 2)

This post provides examples of DRAW statement syntax and links to the documentation.

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Analytics | Data Visualization | Programming Tips

Robert AllisonJanuary 19, 2018 0

Polishing up your Bitcoins!

With all the talk about Bitcoin in the news lately, I decided it was time I created a Bitcoin graph! Follow along as I track down the data, create a graph, and then polish up that graph to make it shine. But before we get started, here's a little example

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Banking

Analytics | Data Visualization | Programming Tips

Robert AllisonJanuary 17, 2018 0

Shedding some light on the lottery!

Have you ever played the lottery? Have you ever heard people bragging about all the money they've won? Does it make you want to play? ... We've had an Education Lottery here in North Carolina for over 10 years, but I still didn't really know much about it - therefore I

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Banking | Education | Government | Retail | Sports & Entertainment

Programming Tips

Chris HemedingerJanuary 16, 2018 0

How to secure your REST API credentials in SAS programs

I've used SAS with a bunch of different REST APIs: GitHub, Brightcove, Google Analytics, Lithium, LinkedIn, and more. For most of these I have to send user/password or "secret" application tokens to the web service so that it knows who I am and what data I can retrieve. I do

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English

Data Visualization | Programming Tips

Warren F. KuhfeldJanuary 15, 2018 0

Advanced ODS Graphics: DRAW statements (part 1)

DRAW statements provide to GTL what SG annotation provides to the SG procedures--a way to add text, shapes, lines, and arrows to graphs.

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Learn SAS | Programming Tips

Lora D. DelwicheJanuary 15, 2018 0

SAS Enterprise Guide tools for programmers

If you are a SAS programmer, you may wonder why you should read this. After all isn’t SAS Enterprise Guide just for folks who don’t want to be bothered writing SAS code? SAS Enterprise Guide is just point, click, and get results, right? Well there is a lot more to

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English

Analytics | Programming Tips

Rick WicklinJanuary 15, 2018 0

Data unavailable? Use the "eyeball distribution" to simulate

Last week I got the following message: Dear Rick: How can I create a normal distribution within a specified range (min and max)? I need to simulate a normal distribution that fits within a specified range. I realize that a normal distribution is by definition infinite... Are there any alternatives,

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