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

Finding July 4th fireworks shows with SAS software!

A friend who recently moved to North Carolina from the west coast asked, "What's there to do around here for the July 4th holiday?" So I created ... Read More

Born to be wild - analyzing motorcycle data

What is it that people like so much about motorcycles? The thrill/excitement/freedom of riding them, the 'biker image' portrayed in movies, or great songs such ... Read More

Is Greece in hot water, financially?

Greece has been in the news lately, trying to secure funds to repay 1.5 billion euros to the International Monetary Fund (IMF) by the end ... Read More

Pyramids, body parts, and gender differences

Nope - we're not digging up mummies in pyramids and analyzing the gender - this blog is about population pyramid charts and "digging into data"! But ... Read More

Using SAS to get the jump on Shark Week

Discovery Channel's Shark Week starts July 5, 2015 - and I've created a special SAS map & graph of shark attacks in North Carolina to ... Read More

How to handle time (mm:ss.ss) values in SAS

One of my earlier blogs on handling percent (%) values in SAS was very popular (it's been viewed over 34,000 times!), so I thought I'd ... Read More

Do city buses in the US make a profit?

What cities have the most and least profitable public transportation services in the US? Perhaps you can find out in this graphical visualization of the data! ... Read More

Mapping the 50 US hospitals with the highest price markups

A recent study by Bai & Anderson has found that some hospitals charge 10x (ie, 1000%) higher than the standard rates set by Medicare. Many news agencies ... Read More

Tracking West Nile virus mosquitos in the US

Have you ever been bitten by a mosquito? What are the odds it carried the West Nile virus? ... Perhaps a lot higher than you ... Read More

What's the most popular surname in your country?

My previous blog was about popular first names ... now for a blog about popular surnames (ie, last/family names)! But before we get started, here's ... Read More