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

How a software geek prepares for the holidays

I'm not really into traveling and eating with family at Thanksgiving, but what are the local restaurant alternatives? The list was a bit overwhelming, so ... Read More

Hey! Where have you been?!?

There's recently been a "States I've Visited" application going around on Facebook, where users create a map showing all the US states they've visited, and ... Read More

Are patent trolls finally on the decline?

Are you a legitimate hard-working company that has been threatened with a lawsuit, by a patent troll? If so, the graphs in this blog should ... Read More

Graphs that make you go hmm... (early voting data)

Back in the 90s, there was a song by the C&C Music Factory about things that just didn't quite make sense - the song was ... Read More

Sports analytics - visualize your results!

In sports these days, there's a lot more data to keep track of than just the score! How can you make sense of it all? ... Read More

Are you at risk? Which blood types do vampires prefer?

SAS software has long been used to help analyze 'risk' - what about using it to help determine your risk of being attacked by a ... Read More

Tracking Ebola: Using SAS bubble maps

In a previous blog post, I showed how to layer colored areas on a SAS map to show both countries, and the areas within countries ... Read More

How cheap will gasoline prices go?

Have you noticed lower gasoline prices lately? How low will they go, and how long will they stay down? Let's use SAS to analyze some ... Read More

How do men rate women on dating websites? (Part 2)

I always recommend looking at data in several different ways, to get a more complete picture of what's really going on - such is the ... Read More

How does Amazon deliver packages so quickly?

With Amazon Prime's 2-day shipping, I seldom go to physical stores any more. How do they deliver items so quickly? Let's analyze some data to ... Read More