Update app.py

app.py

@@ -24,6 +24,13 @@ def plot_reduced_data(reduced_data, labels, title):
     for i, label in enumerate(labels):
         plt.annotate(label, (reduced_data[i, 0], reduced_data[i, 1]))
     plt.title(title)
+    # Data for the arrow
+    start_point = (reduced_data[0, 0], reduced_data[0, 1])  # Starting point of the arrow
+    end_point = (reduced_data[1, 0], reduced_data[1, 1])  # Ending point of the arrow
+    
+    # Adding an arrow
+    plt.annotate('', xy=end_point, xytext=start_point,
+                 arrowprops=dict(arrowstyle="->", color='red', lw=2))
     plt.xlabel('Component 1')
     plt.ylabel('Component 2')
     plt.grid(True)