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Manual feature extraction II

You're working on a variant of the ANSUR dataset, height_df, where a person's height was measured 3 times: height_1, height_2, height_3. Add a feature with the mean height to the dataset, then drop the 3 original features.

This exercise is part of the course

Dimensionality Reduction in Python

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Exercise instructions

  • Add a feature with the mean height to the dataset. Use the .mean() method with axis=1.
  • Drop the 3 original height features from the dataset.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Calculate the mean height
height_df['height'] = height_df[[____]].____

# Drop the 3 original height features
reduced_df = height_df.drop(____, axis=1)

print(reduced_df.head())
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