Lunch. For some workers, it’s the sweetest part of an otherwise bitter day at the grindstone. Nothing can turn that sweetness sour like going into the breakroom to discover that someone has taken your lunch and eaten it themselves.
Nothing lik…
Tag: statistical training
The Punchline: MANOVA or a Mixed Model?
So, if you were reading last week, we talked about how to structure your data for a mixed models repeated measures analysis. And as my friend Rick pointed out, there’s more than one way to go about restructuring your data (if you ask real nice, …
The Bayes theorem, explained to an above-average squirrel
Editor’s Note: The following question was recently asked of our statistical training instructors. Terry Woodfield, along with Bob Lucas took the time to write this eloquent and easily digestible answer.
Question: I’m trying to get a general
Discrimanant Analysis, Priors, and Fairy-Selection
A student in my multivariate class last month asked a question about prior probability specifications in discriminant function analysis:
What if I don’t know what the probabilities are in my population? Is it best to just use the default in PROC D…
We Wanted to Call It "All the Statistics You Missed in B-School"
Happy New Year!! This is a good time to think about what was going on here in SAS Education one year ago, and to introduce you to a big project that I’m really excited to “take public.”
In January 2010 (as well as throughout 2009), we kept getti…
Weekday Morning Quick-trick: How to Score from PROC VARCLUS
Have you used multivariate procedures in SAS and wanted to save out scores? Some procedures, such as FACTOR, CANDISC, CANCORR, PRINCOMP, and others have an OUT= option to save scores to the input data set. However, to score a new data set, or to p…
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 th…
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…