Chapter 7. Traffic Stops and Crash Locations – When Two Datasets Are Better Than One

If you remember from Chapter 4, Traffic Stops – Barking Up the Wrong Tree?, we used a decision tree to help us determine if a person received a ticket or a warning based on several seasonality factors like time of day, day of the week, and the like. Ultimately, we could not find a relationship. Your first inclination might be to throw out the dataset, which I think is a mistake because there might be data gold in them thar hills, but we are just using the wrong model. Also, if a single dataset is not profitable, I typically start augmenting that set with others to see if the combination of features will provide a more satisfactory answer. In this chapter, let's ...

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