Customer Analytics: Preparing Data for Modeling

Being able to create predictive models is very cool, but translating fancy models into real business value is a major challenge if the training data isn't stored efficiently.

You've been hired by a major online data science training provider to store their data more efficiently, so they can create a model that predicts if course enrollees are looking for a job. You'll convert data types, collapse factor levels, and filter categorical data so the data is ready for modeling.