A Topical Topic: How Text Mining Determines Topics

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I've known Jim Cox for a long time. He's the SAS R&D manager for SAS Text Miner, and a gifted singer. We almost never talk about work stuff, because Jim is waaaaay too smart for me.

That's why I was so pleased to discover Jim's series of blog entries about how text mining software can discover topics, and organize and assign weights to them, so that the topics can be analyzed in a useful way.

If you have even a remote interest in text analytics, or you just want the historical perspective on correlation, principal component analysis, and factor analysis -- you really need to read these entries. Here are links to the first three in the series. I'm looking forward to the fourth.

P.S. I note, with pride, that I also once blogged about Sir Francis Galton and his theories on measuring intelligence. Jim covers "Sir Frank" (as I call him) in part 3.

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Chris Hemedinger

Senior Manager, SAS Online Communities

+Chris Hemedinger is the manager of SAS Online Communities. Since 1993, Chris has worked for SAS as an author, a software developer, an R&D manager and a consultant. Inexplicably, Chris is still coasting on the limited fame he earned as an author of SAS For Dummies.  He also hosts the SAS Tech Talk webcasts each year from SAS Global Forum, connecting viewers with smart people from SAS R&D and the impressive work that they do.

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