diff --git a/Daten/Vorhersagen/hw_entries_final.xlsx b/Daten/Vorhersagen/hw_entries_final.xlsx
index b07c247e7079769424f0c292b1783a82d7b9382b..89fc325198408c34d0596454d71ffe0e175b4aa6 100644
Binary files a/Daten/Vorhersagen/hw_entries_final.xlsx and b/Daten/Vorhersagen/hw_entries_final.xlsx differ
diff --git a/Notebooks/Completing_BE_data.ipynb b/Notebooks/Completing_BE_data.ipynb
index 0326f2b06974ec1e7b5a7df9af78658e5c7dca52..79d1b28a75573ddefd5b4f553f85fdf2b51671ae 100644
--- a/Notebooks/Completing_BE_data.ipynb
+++ b/Notebooks/Completing_BE_data.ipynb
@@ -992,7 +992,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 13,
    "id": "9ecc028b-9b46-4bf8-ae24-2aa9c58366bb",
    "metadata": {
     "tags": []
diff --git a/Notebooks/XML_Aufbereitung.ipynb b/Notebooks/XML_Aufbereitung.ipynb
index d49832591909af3da576b62201533ab4df1278c1..56ab761c89329d586b9e2dc934c8a8c69821f7fc 100644
--- a/Notebooks/XML_Aufbereitung.ipynb
+++ b/Notebooks/XML_Aufbereitung.ipynb
@@ -2622,7 +2622,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 311,
+   "execution_count": 330,
    "id": "32fc7d42-2093-4a54-9003-00b4a03e9558",
    "metadata": {
     "tags": []
@@ -2671,7 +2671,7 @@
        "      <td>1</td>\n",
        "      <td>14.376_025_00</td>\n",
        "      <td>1 Biblia Sacra Polyglotta curis Cardinalis Xim...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
@@ -2683,7 +2683,7 @@
        "      <td>1</td>\n",
        "      <td>14.376_025_01</td>\n",
        "      <td>2 Biblia Sacra Polyglotta Philippi II. Regis C...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
@@ -2707,7 +2707,7 @@
        "      <td>1</td>\n",
        "      <td>14.376_025_03</td>\n",
        "      <td>4 Biblia Sacra Latina Moguntina dicta, prima o...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
@@ -2743,7 +2743,7 @@
        "      <td>1402</td>\n",
        "      <td>14.378_582_00</td>\n",
        "      <td>CCCXXXI Vn Portefeüilles contenant des Dessein...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>9399</th>\n",
@@ -2755,7 +2755,7 @@
        "      <td>1402</td>\n",
        "      <td>14.378_582_01</td>\n",
        "      <td>CCCXXXII  Vn Recueil des Portraits peints en m...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>9400</th>\n",
@@ -2767,7 +2767,7 @@
        "      <td>1402</td>\n",
        "      <td>14.378_582_02</td>\n",
        "      <td>CCCXXXIII  Dix Vol. de Plantes peintes en mini...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>9401</th>\n",
@@ -2779,7 +2779,7 @@
        "      <td>1402</td>\n",
        "      <td>14.378_582_03</td>\n",
        "      <td>CCCXXXIV  Cinq Vol. d'Oiseaux peints en Miniat...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>9402</th>\n",
@@ -2791,7 +2791,7 @@
        "      <td>1402</td>\n",
        "      <td>14.378_582_04</td>\n",
        "      <td>CCCXXXV Divers Portraits, Ceremonies, Marches ...</td>\n",
-       "      <td>-1</td>\n",
+       "      <td>NaN</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -2839,22 +2839,22 @@
        "9402  14.378_582_04  CCCXXXV Divers Portraits, Ceremonies, Marches ...   \n",
        "\n",
        "                  AC numbers  \n",
-       "0                         -1  \n",
-       "1                         -1  \n",
+       "0                        NaN  \n",
+       "1                        NaN  \n",
        "2     [(AC09762517, sicher)]  \n",
-       "3                         -1  \n",
+       "3                        NaN  \n",
        "4     [(AC07081950, sicher)]  \n",
        "...                      ...  \n",
-       "9398                      -1  \n",
-       "9399                      -1  \n",
-       "9400                      -1  \n",
-       "9401                      -1  \n",
-       "9402                      -1  \n",
+       "9398                     NaN  \n",
+       "9399                     NaN  \n",
+       "9400                     NaN  \n",
+       "9401                     NaN  \n",
+       "9402                     NaN  \n",
        "\n",
        "[9403 rows x 9 columns]"
       ]
      },
-     "execution_count": 311,
+     "execution_count": 330,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2862,12 +2862,13 @@
    "source": [
     "final_entry_df = entry_df.drop(['AC number', 'AC cert', 'AC comb', 'AC comb set len'], axis=1)\n",
     "final_entry_df.rename(columns={'AC comb set': 'AC numbers'}, inplace=True)\n",
+    "final_entry_df['AC numbers'].replace(to_replace=-1, value=np.nan, inplace=True)\n",
     "final_entry_df"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 312,
+   "execution_count": 332,
    "id": "83c0b002-6cf5-4677-8b84-a39d8815daa1",
    "metadata": {
     "tags": []