Scaling data - standardizing columns

Since we know that the Ash, Alcalinity of ash, and Magnesium columns in the wine dataset are all on different scales, let's standardize them in a way that allows for use in a linear model.

Latihan ini adalah bagian dari kursus

Preprocessing for Machine Learning in Python

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Petunjuk latihan

Import the StandardScaler class.
Instantiate a StandardScaler() and store it in the variable, scaler.
Create a subset of the wine DataFrame containing the Ash, Alcalinity of ash, and Magnesium columns, assign it to wine_subset.
Fit and transform the standard scaler to wine_subset.

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

# Import StandardScaler
from sklearn.preprocessing import ____

# Create the scaler
scaler = ____

# Subset the DataFrame you want to scale 
____ = wine[[____]]

# Apply the scaler to wine_subset
wine_subset_scaled = scaler.____(____)

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