From the course: Predictive Analytics Essential Training: Data Mining
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Working with subject matter experts
From the course: Predictive Analytics Essential Training: Data Mining
Working with subject matter experts
- [Instructor] There's an art to working with subject matter experts. A colleague once told me a story about the early days of the data mining software that I use. A banking client wanted to put them to the test. So the client said, "Here are some unlabeled variables." In other words, in the data set, there were no column headings. They couldn't tell what was going on. "We're going to keep the variable secret. If you're software is so great, tell us which are the best predictors of variable X, and if you answer correctly, then we'll buy the software." What a terrible idea. The reason this doesn't work is that you can't model outside of context. You're trying to solve a business problem. You're not just solving some kind of algebra equation. The data mining algorithms play an important role in guiding the model building process, but only the human partner in the process can be the final arbiter of what best meets the needs…
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