Update app.py

app.py

@@ -744,7 +744,7 @@ if st.session_state.app_step == "dev":
 
     def _dev_block(df, m):
         c1,c2,c3 = st.columns(3)
-        c1.metric("R", f"{m['R']:.2f}"); c2.metric("RMSE", f"{m['RMSE']:.2f}"); c3.metric("MAE", f"{m['MAE']:.2f}")
+        c1.metric("R", f"{m['R']:.3f}"); c2.metric("RMSE", f"{m['RMSE']:.2f}"); c3.metric("MAE", f"{m['MAE']:.2f}")
         st.markdown("""
             <div style='text-align: left; font-size: 0.8em; color: #6b7280; margin-top: -16px; margin-bottom: 8px;'>
                 <strong>R:</strong> Pearson Correlation Coefficient<br>
@@ -816,7 +816,7 @@ if st.session_state.app_step == "validate":
     if "Validate" in st.session_state.results:
         m = st.session_state.results["m_val"]
         c1,c2,c3 = st.columns(3)
-        c1.metric("R", f"{m['R']:.2f}"); c2.metric("RMSE", f"{m['RMSE']:.2f}"); c3.metric("MAE", f"{m['MAE']:.2f}")
+        c1.metric("R", f"{m['R']:.3f}"); c2.metric("RMSE", f"{m['RMSE']:.2f}"); c3.metric("MAE", f"{m['MAE']:.2f}")
         st.markdown("""
             <div style='text-align: left; font-size: 0.8em; color: #6b7280; margin-top: -16px; margin-bottom: 8px;'>
                 <strong>R:</strong> Pearson Correlation Coefficient<br>