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 on this ride, here's a picture of my friend Jennifer's daughter, getting an early/young start on riding roller coasters (she's in the back, with her
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The topic of fracking has been in the news a lot lately - this blog post explores some of the finer points of plotting opinion data related to fracking ... I recently saw the following graph on dadaviz.com. It showed some interesting data, and presented the data in a way
This SAS tip is from Robert Virgile and his book “SAS Macro Language Magic: Discovering Advanced Techniques”. We hope you find this tip useful. You can also read an excerpt from Virgile’s book. In macro language, as in life, timing is everything. Macro language students need to learn the timing
Just this morning, the course leader at our newly created SAS Space & Astronomy School told me that they picked up a broadcast signal from outer space. By analysing all the data they have been collecting, they were able to quickly spot a spike in the trend pattern, which helped
This SAS tip comes from Clement A. Stone and Xiaowen Zhu, authors of Bayesian Analysis of Item Response Theory Models using SAS. Item response theory (IRT) models are the models of choice for analyzing item responses from assessments in the educational, psychological, health, social, and behavioral sciences. SAS PROC MCMC
This blog post discusses the use of a black background in a graph. But before we get started, I invite you to have a listen to one of my favorite songs - "Paint it Black" by the Rolling Stones. Perhaps this song subliminally persuaded people to use black backgrounds in
Having spent many years in graduate school, and living in the Research Triangle Park (RTP) in North Carolina, I have a lot of friends from other countries. Therefore when I recently saw some stories & graphs about EB-5 visas (where you invest a cool half-million US $ to bypass the
Have you ever peered intently into an unfamiliar data delivery directory, realized what was in it, rolled over onto your side, stared blankly into the distance, and dejectedly uttered something akin to: "Spreadsheets! Why did it have to be spreadsheets?" If so, then we are definitely on the same page.
Everyone loves a good conspiracy theory - hopefully you'll enjoy mine about the number of US E1 visas! I was perusing some of the US government charts, and found one on US immigration visas that caught my attention. It was a 3D bar chart, and since I always mistrust 3D
We had a lot of books at the ENAR 2015 Spring Meeting in Miami last week, but these were the top three bestsellers. Analysis of Observational Healthcare Data using SAS by Douglas E. Faries, Robert L. Obenchain, Josep Maria Haro, and Andrew C. Leon Survival Analysis Using SAS®: A Practical