Functional data management: Fundamental rules#

We have two rules for managing data in a functional way:

  1. Start with an empty DataFrame for the clean data

  2. Touch every variable just once

Learning Objectives#

After working through this topic, you should be able to:

  • remember the two rules whenever you are writing data management code

  • explain that you need them to track data provenance

Materials#

Video:

Download the slides.