Catherine (Cat) Truxillo
Director of Analytical Education, SAS

Catherine Truxillo, Ph.D. has written or co-written SAS training courses for advanced statistical methods, including: multivariate statistics, linear and generalized linear mixed models, multilevel models, structural equation models, imputation methods for missing data, statistical process control, design and analysis of experiments, and cluster analysis. She also teaches courses on leadership and communication in data science.

Catherine (Cat) Truxillo 1
Keeping the Analytical Trenches Fresh

You know the old joke, Q. How can you tell an extroverted statistician from an introverted statistician? A. The extrovert looks at your shoes when they talk. Well, the statisticians that I work with every day are a pretty lively bunch, so this joke doesn’t really apply, but it brings

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Is It Random or Repeated?

Last week, a student in my Mixed Models Analysis Using SAS class sent in the following text message during a discussion of crossover designs (sometimes known as ABBA designs, where factors vary within subjects, not ABBA designs where you’re like a Super Trouper). Does it make sense to look at


Currently I'm ... Reading Recently finished Analytics at Work: Smarter Decisions, Better Results by Davenport, Harris, and Morison (2010, Harvard Business Press). I've assigned it as companion reading for the students who take the Advanced Business Analytics course I'm writing right now. It is an excellent reference for anyone who

Hello, and Welcome

The SAS Training Post is born, and introductions are in order. I'm Catherine Truxillo, but everyone except my mom calls me Cat. I have been a statistician in the Education division at SAS since 2000. I've been blogging a little longer than that, although this will be the first I've