Scaling, Normalization, Min Max.
(ax1, ax2) = plt.subplots(ncols=2, figsize=(6, 5)) ax1.set_title('Before Scaling') sns.kdeplot(df['x1'], ax=ax1) sns.kdeplot(df['x2'], ax=ax1) sns.kdeplot(df['x3'], ax=ax1) ax2.set_title('After Standard Scaler') sns.kdeplot(scaled_df['x1'], ax=ax2) sns.kdeplot(scaled_df['x2'], ax=ax2)