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

SAS/GRAPH: Intermediate Tricks (a Handbook for the Wizard’s Apprentice)

Did you ever wish you could master SAS/GRAPH, and create graphs and maps that were customized exactly like you wanted them? Then this free eBook ... Read More

More free SAS on Amazon!

Now that SAS' clever R&D developers have created SAS Studio (a DMS-like interface to SAS that runs in a web browser) "the sky's the limit" ... Read More

A closer look at the U.S. income inequality graphs

I've seen a lot of recent news articles purporting income inequality in the U.S. ("the rich get richer, and the poor get poorer") ... and I ... Read More

More reasons to stop smoking!

Smoking is an addictive habit that can kill you - if you don't believe me, check out the infographic in this blog post. Recently a ... Read More

Analyzing wait times at VA health care facilities

Data about the monthly wait times at VA facilities in the US are now available, but it's a bit overwhelming to try to analyze them ... Read More

A custom map to help track the flu

Has this year's flu been better or worse than you thought it would be? There are a lot of factors that help determine whether or ... Read More

Applying the KISS principle to maps: An analysis of breastfeeding prevalence

How simple is too simple, when it comes to analyzing data on a map? The KISS principle can be applied to many things, including graphs ... Read More

Variations on a stickman graph: Analyzing the Twitter minions

One of our customers asked if I could show him how to reproduce a stickman graph that David McCandless (ala, Information is Beautiful) had created. ... Read More

Where are the world's best roller coasters?

Would you rather see a list of the world's 50 best roller coasters, or an interactive map? (... how about both!) Before we get started ... Read More

Drilling down on fracking graphs

The topic of fracking has been in the news a lot lately - this blog post explores some of the finer points of plotting opinion ... Read More