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I recently blogged about Mahalanobis distance and what it means geometrically. I also previously showed how Mahalanobis distance can be used to compute outliers in multivariate data. But how do you compute Mahalanobis distance in SAS? Computing Mahalanobis distance with built-in SAS procedures and functions There are several ways to
The smallest aircraft I’ve ever flown on was the one I took from Raleigh to Hilton Head, South Carolina to attend my first PharmaSUG – the Pharmaceutical Industry SAS Users Group. That was in 1997, and it’s been my pleasure to work with this great group of volunteer SAS leaders
Teachers have more than enough to juggle each day, lacking the time to search for, and find, high-quality curricular resources online. When I would search for lesson plan supplements, I would often get lost in Google's abyss of results, spending far too much precious time sifting through mediocre materials. Until
What're you wearing? I get that question all of the time …. OK, let me re-phrase that. In regards to events, I am often asked, “What are you going to wear?” It’s always hard to answer as the standard for events, including SAS Global Forum, is business casual.
In this blog we have been discussing graphs useful for analysis of data for many domains such as clinical research, forecasting and more. SG Procedures and GTL are particularly suited for these use cases. So, when I came upon a dashboard image from Steven Few's Visual Business Intelligence blog, showing the
When I read the way that this user is working with SAS, I took a look around support.sas.com to find examples to allow you to work with your own data. (Take a look at this.) If this example isn't quite right for you, plug in your own key words.
The graph showing the distribution of the maximum liver function test values by treatment for all participants in a study is commonly used for the analysis of safety data in clinical trials. The data is often structured in multiple columns (one per treatment) as below on the left, or grouped by
I previously described how to use Mahalanobis distance to find outliers in multivariate data. This article takes a closer look at Mahalanobis distance. A subsequent article will describe how you can compute Mahalanobis distance. Distance in standard units In statistics, we sometimes measure "nearness" or "farness" in terms of the
So, there’s a lot of talk about staying for the magic of Disney World after SAS Global Forum. What about arriving early for some SAS magic? A selection of some of the most popular SAS training courses is being offered Wednesday – Friday, April 18-20 prior to the conference. Here’s
How we love shortcuts. Our life seems more efficient with them. I try to take the earlier train for a good parking spot that lets me exit early. Actually change that to any spot (my train station has tons of commuters with FEW parking spaces so getting up early is the
The Walt Disney World Swan and Dolphin Resort (the headquarters hotel) is offering a great rate to SAS Global Forum attendees. This amazing facility is where all of the action is. No cars to rent, no gas tanks to fill. No parking to find and pay for – which means no searching
The parable of beer and diapers is often related when teaching data mining techniques. Whether fact or fiction, a Heat Map is useful to view the claimed associations. A co-worker recently enquired about possible ways to display associations or dependency between variables. One option is to show the dependency as a node
I have a love-hate relationship with spreadsheet data. I am interested in finding data to analyze, and if it arrives in the form of a spreadsheet, I'll take it. And I like to deliver results and reports, but often my constituents ask for it as a spreadsheet that they can
Big data is one of the hottest topics in business. When you hear those words - BIG Data - you almost surely think of: HUGE financial services firms scoring terabytes of historical and current risk data GLOBAL telecommunications companies mining petabytes of structured and unstructured data INTERNATIONAL retailers repricing hundreds of thousands of products across
As SAS user Marje Fecht said "We all want a 'SAS programming assistant' to help us complete our jobs more quickly." Fecht, Senior Partner at Prowerk Consulting, then went on to say "In her book SAS Macro Programming Made Easy, Second Edition, Michele Burlew encourages us to take advantage of the SAS