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

Will California dry up and fall off?

When the recent earthquake hit California, one of my friends commented that "California is so dry right now, I'm surprised it didn't just break off ... Read More

How to show recessions (or other ranges) on a time series plot

It's easy to plot events that happened at a certain time, but what about events that extended over a range of dates, such as recessions? ... Read More

Mapping 206 hospitals in 29 states!

If you're a really big company, with many locations around the country, how do you keep track of all that? ... With a great map, ... Read More

What's trending in your neck of the woods?

"Trending" is one of those words that's trending these days, as we verbify everything. And if you understood that, then you'll probably love this blog! :-) ... Read More

If US state borders were redrawn -- which new state would you live in?

Find out which state you'll live in, if the US state borders are redrawn so we have 50 states with equal population! (Don't worry! - ... Read More

Tracking Ebola: Layering customized SAS maps

There are many ways to use SAS in Health & Life Sciences, and one of my favorite is using it to track the spread of ... Read More

Oh buoy! It's time for some Shark Week graphs!

With Discovery Channel's Shark Week starting on August 10, I decided to sink my teeth into some shark-attack data - I even found there were some ... Read More

SQL Joins in SAS University Edition

Probably the most important thing you can learn in the free SAS University Edition is how to work with data. And one of the most ... Read More

When did 'your music' become 'classic rock'

In this blog post, I put some classic rock song data under the SAS Analytics microscope, to see if I could get a better picture of ... Read More

I see spots ... sunspots!

The sun has gone eerily quiet, in the middle of what should be the height of the 11-year sunspot cycle... Here's a superb photo of ... Read More