One hot encoding
In the video, you saw how the 'State' feature can be encoded numerically using the technique of one hot encoding:
Doing this manually would be quite tedious, especially when you have 50 states and over 3000 customers! Fortunately, pandas has a get_dummies() function which automatically applies one hot encoding over the selected feature.
This exercise is part of the course
Marketing Analytics: Predicting Customer Churn in Python
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Import pandas
import pandas as pd
# Perform one hot encoding on 'State'
telco_state = ____.____(____)