Update app.py

app.py

@@ -716,7 +716,8 @@ elif app_mode == "Data Cleaning":
                 new_df = df.copy()
                 pca = PCA(n_components=n_components)
                 pca_result = pca.fit_transform(new_df.select_dtypes(include=np.number))
-                new_df = pd.DataFrame(pca_result, columns=[f'PC{i+1}' for i in range
+                new_df = pd.DataFrame(pca_result, columns=[f'PC{i+1}' for i in range(pca_result.shape[1])])
+
 
 
     # --------------------------