diff --git a/notebook.ipynb b/notebook.ipynb
index c2e9290..e70e62c 100644
--- a/notebook.ipynb
+++ b/notebook.ipynb
@@ -261,6 +261,69 @@
     "### Setting missing values\n",
     "**TODO: Removing or Setting values that are not set or NaN in the DataSet**"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "091d7e13",
+   "metadata": {},
+   "source": [
+    "# Data Split\n",
+    "**TODO splitting the Data into Train, test and validation data**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "12b5283d",
+   "metadata": {},
+   "source": [
+    "# Model Selection\n",
+    "**TODO Deciding which model to use for this task**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "b7795aa1",
+   "metadata": {},
+   "source": [
+    "### Training\n",
+    "**TODO Train the Selected Model with the training data**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0faa9856",
+   "metadata": {},
+   "source": [
+    "# Evaluation\n",
+    "**TODO Test the Model with the test data**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "2aeb6fc2",
+   "metadata": {},
+   "source": [
+    "# Optimization\n",
+    "**TODO optimize the model based on the test results**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "79b20645",
+   "metadata": {},
+   "source": [
+    "# Validation\n",
+    "**TODO Predict actual values**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "3b709fb7",
+   "metadata": {},
+   "source": [
+    "# Conclusion and outlook\n",
+    "**TODO Write a conclusion and outlook what can be done and where the issues were.**"
+   ]
   }
  ],
  "metadata": {