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palette='coolwarm') plt.title('Efek Difference in Differences (DiD) per Campaign Channel') plt.xlabel('Campaign Channel') plt.ylabel('Efek DiD pada ARPU') plt.axhline(0, color='black', linewidth=1.3, linestyle='--') plt.xticks(rotation=45) plt.tight_layout() # Show plot plt.show() Output: Grafik di