Consider explicit definitions of "feature" and "feature engineering" in the first chapter

[KevinBretonnelCohen]

Comments or questions on the content

Thanks for making your materials available for comment in the draft stage--what a great idea!

I would suggest that you consider explicit definitions of "feature" and "feature engineering" in the first chapter. You have explanations of what they are, but consider sentences that start like this:

A feature is a...

Feature engineering is the process of...

Date on the first page: 2018-05-12

[topepo]

Very good point. Thanks