diff --git a/helloworld.ipynb b/helloworld.ipynb
deleted file mode 100644
index 9be6c7d5..00000000
--- a/helloworld.ipynb
+++ /dev/null
@@ -1,29 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "9443eb53",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "print('hello world')"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "1bf9be08",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "language_info": {
-   "name": "python"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 5
-}
diff --git a/info.ipynb b/info.ipynb
new file mode 100644
index 00000000..c9657c51
--- /dev/null
+++ b/info.ipynb
@@ -0,0 +1,87 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b6ea6c3b",
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "TypeError",
+     "evalue": "'numpy.ndarray' object is not callable",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mTypeError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[25]\u001b[39m\u001b[32m, line 20\u001b[39m\n\u001b[32m     18\u001b[39m X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=\u001b[32m0.2\u001b[39m, random_state=\u001b[32m42\u001b[39m)\n\u001b[32m     19\u001b[39m X_train, X_val, y_train, y_val = train_test_split(X_train, y_train, test_size=\u001b[32m0.2\u001b[39m, random_state=\u001b[32m42\u001b[39m)\n\u001b[32m---> \u001b[39m\u001b[32m20\u001b[39m X_train = \u001b[43mX_train\u001b[49m\u001b[43m.\u001b[49m\u001b[43mvalues\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[32m     23\u001b[39m n_features = \u001b[32m10\u001b[39m\n\u001b[32m     24\u001b[39m fig=plt.figure( figsize=(\u001b[32m15\u001b[39m, \u001b[32m15\u001b[39m) )\n",
+      "\u001b[31mTypeError\u001b[39m: 'numpy.ndarray' object is not callable"
+     ]
+    }
+   ],
+   "source": [
+    "import pandas as pd\n",
+    "import numpy as np\n",
+    "import matplotlib.pyplot as plt\n",
+    "from sklearn.model_selection import train_test_split\n",
+    "from sklearn.pipeline import Pipeline\n",
+    "\n",
+    "\n",
+    "\n",
+    "data = pd.read_csv('./Datasets/adult.csv', comment = '#')\n",
+    "\n",
+    "# Features\n",
+    "X = data.drop(columns=['income'])\n",
+    "\n",
+    "# Labels\n",
+    "y = data['income']\n",
+    "\n",
+    "\n",
+    "X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)\n",
+    "X_train, X_val, y_train, y_val = train_test_split(X_train, y_train, test_size=0.2, random_state=42)\n",
+    "\n",
+    "\n",
+    "\n",
+    "n_features = 10\n",
+    "fig=plt.figure( figsize=(15, 15) )\n",
+    "plt_num = 1\n",
+    "for i in range(n_features):\n",
+    "    for j in range(n_features):\n",
+    "        ax = fig.add_subplot(n_features, n_features, plt_num)\n",
+    "        if(i == j):\n",
+    "            ax.hist(X_train[:, i], bins=25, color='gray')\n",
+    "        else:\n",
+    "            ax.scatter(X_train[:, j], X_train[:, i], c=np.array(colors)[y_train], s=30, alpha=0.3)\n",
+    "                \n",
+    "        if(i == n_features-1):\n",
+    "            ax.set_xlabel(f'$x_{{{j}}}$', fontsize=22)\n",
+    "        \n",
+    "        if(j==0):\n",
+    "            ax.set_ylabel(f'$x_{{{i}}}$', fontsize=22)\n",
+    "\n",
+    "        ax.grid(True)\n",
+    "        plt_num +=1\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": ".venv",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/test.ipynb b/test.ipynb
deleted file mode 100644
index e69de29b..00000000