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Great Resource on Mixed Models (Just not great for me)

I’d always found the SPSS help pretty basic, so I don’t even consider it when looking for information. However, courtesy of the UCLA Academic Computing Group, which has a bunch of the SPSS case studies on-line, I found this one on mixed models. It really is one of the most straight-forward explanations of mixed models,…

Yes, We’re Sending Our Child to Boarding School

Generally, when the school principal calls, it’s not a good sign. When the call begins, “I’m sure you weren’t expecting this …” … it’s usually an even worse sign. In this case, however, he had called to say that The Spoiled One was being recommended for a scholarship to a boarding school. We had never…

Text Mining with Statistica (or anything else) – look again!

There are some things to like about Statistica. The scatter plot matrix, for one. I’d done a sentiment analysis of a data set on blog posts (not mine). For each post, I had three variables number of negative sentiments expressed in the post, number of positive sentiments expressed in the post total number of comments…

Why I Won’t Be Unemployed in 2017: It’s Apples

There is a huge inequality in the way the economy has played out among people I know. Business is good and has been getting better all year for me. My friend Jake is doing great. He was an anesthesiologist and several years ago became board-certified in geriatrics. He loves working with older people and his…

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Do Not Re-Invent the Software Wheel unless you’re into wheel-inventing

So I say, “There may be some useful information in the text fields. For example, people who use credit to buy commodities, such as meat may differ from people who buy finished goods like clothing who may differ from people who purchase machinery on credit. Perhaps you may want to consider some kind of clustering.”…