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.

Latihan ini adalah bagian dari kursus

Dimensionality Reduction in Python

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Petunjuk latihan

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.

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

# 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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