Creating variables#

Learning Objectives#

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

  • Assign new columns to a DataFrame

  • Explain why loops over columns are harmless and loops over rows have to be avoided

  • Use vectorized calculations between numeric columns

  • Use vectorized string methods

  • Combine information from two columns based on conditions

  • Replace values in variables

Materials#

Video:

Download the slides.

Quiz#