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  3. Marketing Analytics: Predicting Customer Churn in Python

Exercise

One hot encoding

In the video, you saw how the 'State' feature can be encoded numerically using the technique of one hot encoding:

ohe_part3.png

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.

Instructions 1/2

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  • Use the pd.get_dummies() function to apply one hot encoding on the 'State' feature of telco.