diff --git a/009_data_visualization.ipynb b/009_data_visualization.ipynb
deleted file mode 100644
index 657dc31..0000000
--- a/009_data_visualization.ipynb
+++ /dev/null
@@ -1,768 +0,0 @@
-{
-  "nbformat": 4,
-  "nbformat_minor": 0,
-  "metadata": {
-    "colab": {
-      "name": "009_data-visualization",
-      "provenance": [],
-      "collapsed_sections": [],
-      "toc_visible": true,
-      "include_colab_link": true
-    },
-    "kernelspec": {
-      "name": "python3",
-      "display_name": "Python 3"
-    }
-  },
-  "cells": [
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "view-in-github",
-        "colab_type": "text"
-      },
-      "source": [
-        "<a href=\"https://colab.research.google.com/github/rc-dbe/intro-python/blob/master/009_data_visualization.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
-      ]
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "uB9UYPsHYFYY",
-        "colab_type": "text"
-      },
-      "source": [
-        "# Data Visualization"
-      ]
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "UVTHNHhEYSYj",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Import Libraries"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "NdWLfwAEcKJK",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Import Library for Data Manipulation\n",
-        "import pandas as pd"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "7H6g1punZZcG",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Import Libraries for Visualization\n",
-        "import matplotlib.pyplot as plt\n",
-        "import seaborn as sns"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "mxHQEGqOYOoz",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Import Data"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "PeKg5U9hdpUb",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Import Data From an online link (GitHub)\n",
-        "df = pd.read_csv('https://raw.githubusercontent.com/dianrdn/data/master/suicide_germany2.csv', sep=',',)\n",
-        "df"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "nkd6N72ZfbwG",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Prints the Mmount of Rows and Column Numbers\n",
-        "df.shape"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "fZUCcxhlfmJj",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Prints Information About a DataFrame\n",
-        "df.info()"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "UR51hXJMiYdh",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Distribution Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "nDgoq0uPi0mG",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Set Graph Size\n",
-        "plt.rcParams['figure.figsize'] = (16, 8)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "v7pawK0DkDAS",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Visualize Distribution\n",
-        "sns.kdeplot(df['suicides_no'])\n",
-        "plt.xlabel('Number of Suicides')\n",
-        "plt.ylabel('Probability Density Function / The Likelihood of Outcome')\n",
-        "plt.title('Number of Suicide Distribution')"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "ArlZQ-4wiWmI",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Visualize Histogram\n",
-        "sns.distplot(df['suicides_no'])\n",
-        "plt.xlabel('Number of Suicides')\n",
-        "plt.ylabel('Probability Density Function / The Likelihood of Outcome')\n",
-        "plt.title('Number of Suicide Distribution')"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "air4PeB7jepA",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Set Number of Category\n",
-        "sns.distplot(df['suicides_no'], bins=50)\n",
-        "plt.xlabel('Number of Suicides')\n",
-        "plt.ylabel('Probability Density Function / The Likelihood of Outcome')\n",
-        "plt.title('Number of Suicide Distribution')"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "uYHu8yy9iUFQ",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Pair Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "s2yk7AIVkit3",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Visualize Pair Plot\n",
-        "sns.pairplot(df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "H5goAcLJQPY3",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Visualize Pair Plot with Colors\n",
-        "sns.pairplot(df, hue='sex')"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "s5vgGq_uodV7",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Bar Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "TFRRadpuonXb",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Basic Bar Plot\n",
-        "sns.barplot(x='generation', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "vYGJ3fR-pVwO",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw a Set of Vertical Bars with Different Colors based on Sex\n",
-        "sns.barplot(x='generation', y='suicides_no', hue='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "_kA0UTi8psxP",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Add Error Bars\n",
-        "sns.barplot(x='generation', y='suicides_no', hue='sex', capsize=.2, data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "9_ue3cdArZCb",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.catplot(x='generation', y='suicides_no', hue='sex', capsize=.2, kind='bar', col='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "aZ5Tc9mdIsNL",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Line Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "QIZw3FHUu7Cw",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Basic Line Plot\n",
-        "sns.lineplot(x='year', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "CTwkTYiqI3hS",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Line Plot with Different Colors based on Age\n",
-        "sns.lineplot(x='year', y='suicides_no', hue='age', palette='hls', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "GZxwcdO4JGQf",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.relplot(x='year', y='suicides_no', hue='age', palette='hls', col='sex', kind='line', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "sgDiwGwhiOcY",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Scatter Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "CWmeNua9eh0b",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Basic Scatterplot\n",
-        "sns.scatterplot(x='year', y='suicides_no', data= df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "bTW9VX8BnORl",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Show the Groups with Different Colors based on Age\n",
-        "sns.scatterplot(x='year', y='suicides_no', hue='age', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "HBtNkfmtba1S",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Show the Grouping Variable by Marker Style based on Sex\n",
-        "sns.scatterplot(x='year', y='suicides_no', hue='age', style='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "S3QSBdcl0bD1",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Apply Different Color Palette\n",
-        "sns.scatterplot(x='year', y='suicides_no', hue='age', style='sex', palette='hls', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "f_cw4Uev0890",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Set Points Size Proportional to Age\n",
-        "sns.scatterplot(x='year', y='suicides_no', hue='age', style='sex', palette='hls', size='age', sizes=(20, 200), data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "RDuZHLm8hSPc",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.relplot(x='year', y='suicides_no', hue='age', style='sex', palette='hls', size='age', sizes=(20, 200), col='sex', kind='scatter', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "d6q-igQyhRAl",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Age\n",
-        "sns.relplot(x='year', y='suicides_no', hue='age', style='sex', palette='hls', size='age', sizes=(20, 200), col='age', kind='scatter', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "HIholpMmUFJX",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Regression Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "DWy9ENw5SZ07",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Regression Plot\n",
-        "sns.lmplot(x='year', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "GehNRIfRUN-p",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Multiple Regression Plot\n",
-        "sns.lmplot(x='year', y='suicides_no', hue='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "h-NwWpBqmw4j",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Joint Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "W0Zf7gIzmklC",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Joint Plot\n",
-        "sns.jointplot(x='year', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "QnEei5YBvmtg",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Regression Plot\n",
-        "sns.jointplot(x='year', y='gdp_for_year', data=df, kind='reg', truncate=False)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "RtHcfMLemzk4",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Hexagon Plot\n",
-        "sns.jointplot(x='year', y='gdp_for_year', kind='hex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "VmTsnY2snm6Q",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Kernel Density Estimation Plot\n",
-        "sns.jointplot(x='year', y='gdp_for_year', kind='kde', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "KDZ8gc7hrflE",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Box Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "4nRCjxPFr4VF",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Box Plot\n",
-        "sns.boxplot(x='year', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "ocLH80PRsV3h",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw a Set of Box Plot with Different Colors based on Sex\n",
-        "sns.boxplot(x='year', y='suicides_no', hue='sex', palette='hls', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "wv7PtgNls8nQ",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.catplot(x='year', y='suicides_no', hue='sex', palette='hls', kind='box', col='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "colab_type": "text",
-        "id": "aF3KFmT_tzAS"
-      },
-      "source": [
-        "## Boxen Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "6qLvT6o1tzAX",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Boxen Plot\n",
-        "sns.boxenplot(x='year', y='suicides_no', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "8I0QtrE3tzAd",
-        "colab": {}
-      },
-      "source": [
-        "# Draw a Set of Boxen Plot with Different Colors based on Sex\n",
-        "sns.boxenplot(x='year', y='suicides_no', hue='sex', palette='hls', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "BemZqPGatzAg",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.catplot(x='year', y='suicides_no', hue='sex', palette='hls', kind='boxen', col='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "sUPwtvc_N_Q2",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Violin Plot"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "KOaRR8ghJ3MS",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Basic Violin Plot\n",
-        "sns.violinplot(x='year', y='suicides_no', split=True, data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "cYC2IohgOFaU",
-        "colab": {}
-      },
-      "source": [
-        "# with Different Colors based on Sex\n",
-        "sns.violinplot(x='year', y='suicides_no', hue='sex', palette='hls', split=True, data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "colab_type": "code",
-        "id": "e5nJ-xSlOqyg",
-        "colab": {}
-      },
-      "source": [
-        "# Make Different Plot based on Attribute : Sex\n",
-        "sns.catplot(x='year', y='suicides_no', hue='sex', palette='hls', kind='violin', col='sex', data=df)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "zFLxgT3CSL_W",
-        "colab_type": "text"
-      },
-      "source": [
-        "## Correlation Map"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "pTWT7M4Zk7U5",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Select Only Numeric Attribute\n",
-        "df_num = df.select_dtypes(include=['float64', 'int64'])"
-      ],
-      "execution_count": null,
-      "outputs": []
-    },
-    {
-      "cell_type": "code",
-      "metadata": {
-        "id": "x2gewwl9OqkM",
-        "colab_type": "code",
-        "colab": {}
-      },
-      "source": [
-        "# Draw Correlation Map\n",
-        "sns.clustermap(df_num.corr(), center=0, cmap='vlag', linewidths=.75)"
-      ],
-      "execution_count": null,
-      "outputs": []
-    }
-  ]
-}
\ No newline at end of file