Update app.py

app.py

@@ -192,17 +192,20 @@ def plot_scatter_with_regression(data, x_var, y_var):
     # 그래프 생성
     fig = go.Figure()
     
-    # 산점도 추가
+    # 산점도 추가 (오차 막대 포함)
     fig.add_trace(go.Scatter(
         x=x, 
         y=y, 
         mode='markers',
         name='Data Points',
-        marker=dict(color='blue', size=8),
+        marker=dict(color='rgba(0, 0, 255, 0.7)', size=10),
         error_y=dict(
             type='data',
             array=abs(residuals),
-            visible=True
+            visible=True,
+            color='rgba(0, 0, 0, 0.1)',
+            thickness=0.5,
+            width=0
         )
     ))
     
@@ -228,9 +231,11 @@ def plot_scatter_with_regression(data, x_var, y_var):
                 y=0.95,
                 xref='paper',
                 yref='paper',
-                text=f'y = {slope:.2f}x + {intercept:.2f}\nR² = {r_squared:.3f}',
+                text=f'y = {slope:.2f}x + {intercept:.2f}<br>R² = {r_squared:.3f}',
                 showarrow=False,
-                bgcolor='rgba(255, 255, 255, 0.8)'
+                bgcolor='rgba(255, 255, 255, 0.8)',
+                bordercolor='rgba(0, 0, 0, 0.3)',
+                borderwidth=1
             )
         ]
     )