กรองฟีเจอร์ที่มีความสัมพันธ์สูงออก

# Calculate the correlation matrix and take the absolute value
corr_df = ansur_df.____().____()

# Create a True/False mask and apply it
mask = np.____(np.____(corr_df, dtype=____))
tri_df = corr_df.____(mask)

# List column names of highly correlated features (r > 0.95)
to_drop = [c for c in tri_df.columns if any(tri_df[c] >  ____)]

# Drop the features in the to_drop list
reduced_df = ansur_df.____(____, axis=1)

print(f"The reduced_df DataFrame has {reduced_df.shape[1]} columns.")