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SAS has been used to track the spread of many things, such as wild animals, tornadoes, and money launderers -- but this time I'm using it to track the spread of Walmart stores across the U.S. over time! Since its start in the 1960s, Walmart has grown to be the largest
I was looking at someone else's SAS/IML program when I saw this line of code: y = sqrt(x<>0); The statement uses the element maximum operator (<>) in the SAS/IML language to make sure that negative value are never passed to the square root function. This little trick is a real
Okay, given the title of this article, I might be overselling the content a bit. Read on to see if your life will be transformed. I've just returned from SESUG, and this question came up during one of the presentations. While this tip might seem basic, it was news to
Many people today just use their computer to play Angry Birds or post pictures of their most recent meal on Facebook ... but what would some of the great minds of the past have done with a computer?... For example, Charles Minard was creating impressive information graphics without a computer over 100 years ago,
SAS conferences are amazing events, with great presentations, keynote talks, classes and workshop, experts from the SAS Institute, networking opportunities and so much more! With so many things to do and so much happening at once, SAS conferences can be overwhelming. Plan to get the most out of your conference
If you've ever tried to use PROC FREQ to create a frequency table of two character variables, you know that by default the categories for each variable are displayed in alphabetical order. A different order is sometimes more useful. For example, consider the following two-way table for the smoking status
I am happy to report that my new book "Getting Started with the Graph Template Language in SAS" is now shipping. A colleague suggest it would be useful to post some articles with the same theme of "Getting started". I thought that was a great idea, and decided to start a new
Stick to the basics. Did you ever get that advice? Two of the papers at MidWest SAS Users Group 2013 used that most fundamental of SAS processing concepts—the Program Data Vector—to show why users might encounter unexpected errors in their DATA step programs. In The Secret Life of DATA STEP,
In SAS Grid Manager environments, SAS administrators must often set up separate configurations based on a mix of requirements for departments, client applications and user roles. To accomplish this in previous SAS releases, administrators must define multiple SAS Application Server contexts, each with its own grid server definition and associated options.
This graph certainly makes it clear! I can see right through your lies! Clearly, you know what you're talking about! We need more transparency in our organization! What was that all about, you might ask?!? ... I was just getting all the obvious puns out of the way, so I
Ginger is one of those spices that is good in anything! Sweet or savory. Ginger has a sweet, pungent spicy kick to it. You can find ginger fresh in the produce section of most stores, or as the dried ground spice. But, if you’ve never cooked with fresh ginger, you
A challenge for statistical programmers is getting data into the right form for analysis. For graphing or analyzing data, sometimes the "wide format" (each subject is represented by one row and many variables) is required, but other times the "long format" (observations for each subject span multiple rows) is more
SAS/IML programmers know that the VECDIAG matrix can be used to extract the diagonal elements of a matrix. For example, the following statements extract the diagonal of a 3 x 3 matrix: proc iml; m = {1 2 3, 4 5 6, 7 8 9}; v = vecdiag(m); /* v = {1,5,9}
Last week Bruno asked about creating a Schedule Chart using SG Procedures. To me, such projects are very interesting and challenging...How much mileage can we get out of the current set of SGPLOT procedure features to create a visual that was not part of the original requirements? The clear choice for
The other day I showed how to check your data cardinality by using a simple SAS program. I also promised to provide a custom task that makes the process even easier within SAS Enterprise Guide. Today I'm delivering on that promise. I've just added the custom task to the support.sas.com