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Sometimes it is convenient to reshape the data in a matrix. Suppose you have a 1 x 12 matrix. This same data can fit into several matrices with different dimensions: a 2 x 6 matrix, a 3 x 4 matrix, a 4 x 3 matrix, and so on. The SHAPE function enables you to specify the number of
Yesterday, I was in the #raganSAS audience as David Pogue told me What's New and What's Next in the world of technology. David is a great presenter, and he really had the audience engaged as he talked about augmented reality, his world according to Twitter, and an iPhone app that
~ Contributed by Courtney Peters ~ Next week I’ll be attending DMA10 in San Francisco, and I hope to accomplish a couple things while I am there. As a marketing professional, I’m eager to network with others in my field from all types of industries and market segments. I also
A little off the topic, but can anyone explain the theory of password security to me? Specifically, how does requiring me to periodically change my password improve security? Like most of you, on some of my online accounts I am reminded every few months that I must change the password.
If you're an administrator of systems that run SAS, you have probably already read up on How to Maintain Happy SAS 9 Users. If not, go read that first. Now, are you looking to squeeze the best performance out of SAS on Microsoft Windows 2008 Server? Be sure to read
My previous post on creating a random permutation started me thinking about word games. My wife loves to solve the daily Jumble® puzzle that runs in our local paper. The puzzle displays a string of letters like MLYBOS, and you attempt to unscramble the letters to make an ordinary word.
I recently had the pleasure to sit in on one of our customer presentations at the CRM Evolution Conference in New York. Sean Lowe, the Managing Director of Endless Vacation Rentals and Revenue Management for Wyndham Exchange & Rentals, gave a presentation about how his company manages the demand forecasting
"Conversations pertaining to the oil and gas industry right now are toxic, to say the least," says Blake Jackson, Social Media Coordinator for Chesapeake Energy. Blake spoke today at a Ragan communications conference hosted at SAS headquarters in Cary, NC. In an environment where conversations about the energy industry tend
I recently read a paper that described a SAS macro to carry out a permutation test. The permutations were generated by PROC IML. (In fact, an internet search for the terms "SAS/IML" and "permutation test" gives dozens of papers in recent years.) The PROC IML code was not as efficient
The issues marketers face are daunting. Let’s talk about three. Email. Response and opt out rates are awful. So we struggle to push thru the noise and stand out. We work to develop a strong list, message, and call-to-action. But we can’t know for certain if our offer will resonate
A previous post described a simple algorithm for generating Fibonacci numbers. It was noted that the ratio between adjacent terms in the Fibonacci sequence approaches the "Golden Ratio," 1.61803399.... This post explains why. In a discussion with my fellow blogger, David Smith, I made the comment "any two numbers (at
Momentum for SAS Customer Intelligence is at an all-time high, and we’re responding in kind by taking it to the streets with a blockbuster line-up for October this year in a city near you. These opportunities have been designed to enable you to interact with both SAS and non-SAS experts
Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the drug store, but that's just peanuts to space. - Douglas Adams, Hitchhiker's Guide to the Galaxy SAS is big. It's not quite
Often, the first step of a SAS/IML program is to use the USE, READ, and CLOSE statements to read data from a SAS data set into a vector or matrix. There are several ways to read data: Read variables into vectors of the same name. Read one or more variables
The Fall issue of Foresight is available this month, and includes a review of The BFD (the book). Here is Editor Len Tashman's preview: Books reviewed in Foresight in the past have fallen into two categories: those that serve as textbooks, largely emphasizing forecasting methods, and general-interest books, that offer