Xan Gregg
Xan Gregg RSS
JMP Development

Xan Gregg is a JMP Development Senior Manager with expertise in data visualization and scripting. In 2006, he won first place in Business Intelligence Network’s Data Visualization Competition. Gregg has worked for JMP for ten years and is the inventor of Graph Builder. He holds a Bachelor of Science in computer engineering from Clemson University.

Recent Posts

Graph Makeover: Where same-sex couples live in the US

The following map appeared in an article titled "Where Same-Sex Couples Live" in the Upshot section of The New York Times shortly after the US ... Read More

How to create an axis break in JMP

I’ve been asked three times this year about how to make a graph in JMP with an axis break. Before I show how, I want ... Read More

Graph makeover: Fractal scatterplot

One of the marvels of the Internet is the Online Encyclopedia of Integer Sequences (OEIS). Started 50 years ago by Neil J. A. Sloane (pic) ... Read More

Graph makeover: 3-D yield curve surface

A couple weeks ago, The Upshot section of The New York Times produced this "glorious" interactive 3-D graph of the last 25 years of US Treasury ... Read More

John Tukey on the rule of zero-origin scales

I saw the following post recently on Twitter: Eric Jonas @stochastician Mar 16 There’s basically never a reason to start the y-axis of ... Read More

#OneLessPie chart on Pi Day 2015

Last year, we launched the #OneLessPie initiative to use Pi Day (March 14 or 3/14) as a catalyst to improve the data visualization landscape. Many ... Read More

JMP graphics tip: Alphabetic markers

Someone recently asked me about using letters instead of built-in symbols in JMP scatterplots. In case others are wondering the same thing, here's the long ... Read More

Graph makeover: Disposable income change chart

Kaiser Fung recently critiqued this chart of changes on disposable income. He put forth the idea of using categorized slope graphs instead: How do we ... Read More

Graph makeover: Measles heat map

The Wall Street Journal recently published a nice, interactive graphic piece called "Battling Infectious Diseases in the 20th Century: The Impact of Vaccines," which contains ... Read More

Dual-scaled jobs chart deconstructed, part 2

In my previous post, I examined how the dual scales on this jobs chart are sending an inaccurate message. But my efforts to remake alternate ... Read More