If Your Data is Bad, Your Machine Learning Tools Are Useless

In early 2017, Alex Borek of Volkswagen convinced me that "this time, machine learning is real" and that data quality was a real problem. So I dug in--researched what we knew, talked to a lot of people, and thought through the various ways that bad data could do harm. And it struck me--this is really scary. As I use that metaphor, I find that practically everyone agrees! The next steps were to sort out what to do and write a straightforward article.