add space for group bar chart

data_visualization.py

@@ -419,7 +419,7 @@ def create_group_bar_chart(df):
     
     # Adjust the subplot parameters
     plt.subplots_adjust(top=0.90,    # Add more space at the top
-                       bottom=0.15,   # Add more space at the bottom
+                       bottom=0.25,   # Increased from 0.15 to 0.25 to add more space at the bottom
                        right=0.70,   # Reduced from 0.75 to 0.70 to make more space for legend
                        left=0.05)     # Add space on the left