Update app.py

app.py

@@ -748,10 +748,10 @@ if st.session_state.app_step == "dev":
         st.markdown('<div class="st-message-box st-success">Case has been built and results are displayed below.</div>', unsafe_allow_html=True)
 
     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, c2, c3 = st.columns(3)
+            c1.metric("R",    f"{m['R']:.3f}")
+            c2.metric("RMSE", f"{m['RMSE']:.3f}")
+            c3.metric("MAE",  f"{m['MAE']:.3f}")
         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>