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
Exercise instructions
- Add a feature with the mean height to the dataset. Use the
.mean()method withaxis=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())