Catherine Truxillo

Catherine Truxillo, Ph.D. has been a Statistical Training Specialist at SAS since 2000 and 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. Although she primarily works with advanced statistics topics, she also teaches SAS courses using SAS/IML (the interactive matrix language), SAS Enterprise Guide, SAS Enterprise Miner, SAS Forecast Studio, and JMP software. Before coming to SAS, Catherine completed her Ph.D. in Social Psychology with an emphasis in Statistics at The University of Texas at Austin. While at UT Austin, she completed an internship with the Math and Computer Science department's statistical consulting help desk and taught a number of undergraduate courses. While teaching and performing her own graduate research, she worked for a software usability design company conducting experiments to assess the ease-of-use of various software interfaces and website designs. Cat's personal interests include triathlon, hiking the woods near her home in North Carolina, and having tea parties with her two children.

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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

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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

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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