Fix PCA Components Access After SciKit Pipeline Creation

app.py

@@ -691,7 +691,8 @@ def run_model(model_name):
 
     # Mostrar los plots de loadings si se usó PCA (para el conjunto combinado)
     if reduction_method == "PCA" and result.get("pca_model") is not None:
-        pca_model = result["pca_model"]
+        # pca_model = result["pca_model"]
+        pca_model = result["pca_model"].named_steps["pca"]
         components = pca_model.components_  # Shape: (n_components, n_features)
         
         st.subheader("Pesos de las Componentes Principales (Loadings) - Conjunto Combinado")