Update src/streamlit_app.py

src/streamlit_app.py

@@ -144,7 +144,7 @@ def plot_residual_analysis(y_true, y_pred, residuals):
     st.plotly_chart(fig, use_container_width=True)
 
 def main():
-    st.title('📈 Advanced Linear Regression Analysis')
+    st.title('📈 Statistical Linear Regression Analysis')
     st.markdown("""
     This tool provides comprehensive linear regression analysis with diagnostics and visualizations.
     Upload your data, select variables, and explore the results!
@@ -223,6 +223,12 @@ def main():
         X_train, X_test, y_train, y_test = train_test_split(
             X, y, test_size=test_size, random_state=random_state
         )
+
+        # Reset indicies
+        X_train = X_train.reset_index(drop=True)
+        X_test = X_test.reset_index(drop=True)
+        y_train = y_train.reset_index(drop=True)
+        y_test = y_test.reset_index(drop=True)
         
         # Standardize if requested
         if scale_data: