Robert Allison
Robert Allison RSS
The Graph Guy!

Robert has worked at SAS for over 20 years, and is perhaps the foremost expert in creating custom graphs using SAS/GRAPH. His educational background is in Computer Science, and he holds a BS, MS, and PhD from NC State University. He is the author of several conference papers, has won a few graphic competitions, and has written a book (SAS/GRAPH: Beyond the Basics).

Recent Posts

Visualizing the 500 biggest corporations in the US

Every year, Fortune magazine compiles a list of the 500 largest US corporations - called the Fortune 500. Their list was a bit difficult to ... Read More

I'm a data guy, not a basketball fan!

I get several requests and recommendations for analyzing sports data. I'm not a big sports fan ... but when did I ever let that stop me! When ... Read More

Are you a geography expert? Try this quick quiz!

My blog posts focus on visual data analysis, and many of them use geographical maps. Therefore I hope you will have fun with a quick ... Read More

How to plot your GPS tracking data on a SAS map

These days many devices (such as smart phone apps, Fitbits, Apple watches, dog tracking collars, car gps, hiking gps, teen/car trackers, etc) can track your ... Read More

Talk Like a Pirate day ... and paddling from Cuba to the US

I just returned home from an expedition/adventure boat trip to Cuba, and Talk Like a Pirate day is coming up this Saturday - what a combination ... Read More

How is electricity generated in your state?

I recently saw an article on showing what methods are used to generate electricity in each state. The data was interesting enough that I ... Read More

What areas do venture capitalists invest in medical research?

The Wall Street Journal recently published a study of the top 17 medical areas (or body parts) that venture capitalist investments are likely to benefit. ... Read More

Hadoop releases - here's the timeline graph!

There's a lot of buzz about Hadoop these days. I started checking into it, and there seemed to be a gazillion releases. So, being The ... Read More

The world's most valuable sports teams

There's big money in professional sports these days - we're talking billions of dollars! Do you know which teams are the most valuable? The graphs ... Read More

Marriage and divorce in the US: What do the numbers say?

I've heard lots of people quote statistics about marriage & divorce, but the experts don't always agree on what the data means. So I decided ... Read More