What Are the Biggest Challengers for the Modeling Community?

Anything you may need to do to work with data and to model comes under the term statistics. But when you start having to do these other things, such as actually building data products, you become a data scientist rather than a statistician. Andi: The biggest challenge is being open and transparent in our use of data. We need to speak the same language so that we can all evaluate the assumptions going into these things.