practice1_ml_for_everyone_lec1.ipynb

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      "provenance": [],
      "authorship_tag": "ABX9TyOyYsemKqZnNcT/oCgGMqQG"
    },
    "kernelspec": {
      "name": "python3",
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    "language_info": {
      "name": "python"
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  "cells": [
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "id": "IwHtX14Tl6Wz"
      },
      "outputs": [],
      "source": [
        "import pandas as pd\n",
        "import numpy as np\n",
        "from matplotlib import pyplot as plt"
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "MAGIC dataset:https://archive.ics.uci.edu/ml/datasets/MAGIC+Gamma+Telescope"
      ],
      "metadata": {
        "id": "WfE1N3cLB1Mh"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "cols = [ \"fLength\", \"fWidth\", \"fSize\", \" fConc\", \"fConc1\", \"fAsym\", \"fM3Long\", \"fM3Trans\", \"fAlpha\", \"fDist\", \"class\"]\n",
        "df = pd.read_csv(\"magic04.data\", names=cols)\n",
        "df.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 206
        },
        "id": "JjV37t3WA1Fh",
        "outputId": "0dd65d63-62a5-40ad-dca1-b84961fcd83a"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "    fLength    fWidth   fSize   fConc  fConc1     fAsym  fM3Long  fM3Trans  \\\n",
              "0   28.7967   16.0021  2.6449  0.3918  0.1982   27.7004  22.0110   -8.2027   \n",
              "1   31.6036   11.7235  2.5185  0.5303  0.3773   26.2722  23.8238   -9.9574   \n",
              "2  162.0520  136.0310  4.0612  0.0374  0.0187  116.7410 -64.8580  -45.2160   \n",
              "3   23.8172    9.5728  2.3385  0.6147  0.3922   27.2107  -6.4633   -7.1513   \n",
              "4   75.1362   30.9205  3.1611  0.3168  0.1832   -5.5277  28.5525   21.8393   \n",
              "\n",
              "    fAlpha     fDist class  \n",
              "0  40.0920   81.8828     g  \n",
              "1   6.3609  205.2610     g  \n",
              "2  76.9600  256.7880     g  \n",
              "3  10.4490  116.7370     g  \n",
              "4   4.6480  356.4620     g  "
            ],
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              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>fLength</th>\n",
              "      <th>fWidth</th>\n",
              "      <th>fSize</th>\n",
              "      <th>fConc</th>\n",
              "      <th>fConc1</th>\n",
              "      <th>fAsym</th>\n",
              "      <th>fM3Long</th>\n",
              "      <th>fM3Trans</th>\n",
              "      <th>fAlpha</th>\n",
              "      <th>fDist</th>\n",
              "      <th>class</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>28.7967</td>\n",
              "      <td>16.0021</td>\n",
              "      <td>2.6449</td>\n",
              "      <td>0.3918</td>\n",
              "      <td>0.1982</td>\n",
              "      <td>27.7004</td>\n",
              "      <td>22.0110</td>\n",
              "      <td>-8.2027</td>\n",
              "      <td>40.0920</td>\n",
              "      <td>81.8828</td>\n",
              "      <td>g</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>31.6036</td>\n",
              "      <td>11.7235</td>\n",
              "      <td>2.5185</td>\n",
              "      <td>0.5303</td>\n",
              "      <td>0.3773</td>\n",
              "      <td>26.2722</td>\n",
              "      <td>23.8238</td>\n",
              "      <td>-9.9574</td>\n",
              "      <td>6.3609</td>\n",
              "      <td>205.2610</td>\n",
              "      <td>g</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>162.0520</td>\n",
              "      <td>136.0310</td>\n",
              "      <td>4.0612</td>\n",
              "      <td>0.0374</td>\n",
              "      <td>0.0187</td>\n",
              "      <td>116.7410</td>\n",
              "      <td>-64.8580</td>\n",
              "      <td>-45.2160</td>\n",
              "      <td>76.9600</td>\n",
              "      <td>256.7880</td>\n",
              "      <td>g</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>23.8172</td>\n",
              "      <td>9.5728</td>\n",
              "      <td>2.3385</td>\n",
              "      <td>0.6147</td>\n",
              "      <td>0.3922</td>\n",
              "      <td>27.2107</td>\n",
              "      <td>-6.4633</td>\n",
              "      <td>-7.1513</td>\n",
              "      <td>10.4490</td>\n",
              "      <td>116.7370</td>\n",
              "      <td>g</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>75.1362</td>\n",
              "      <td>30.9205</td>\n",
              "      <td>3.1611</td>\n",
              "      <td>0.3168</td>\n",
              "      <td>0.1832</td>\n",
              "      <td>-5.5277</td>\n",
              "      <td>28.5525</td>\n",
              "      <td>21.8393</td>\n",
              "      <td>4.6480</td>\n",
              "      <td>356.4620</td>\n",
              "      <td>g</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "      <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-d7198861-4967-44d6-8d11-1869474920b6')\"\n",
              "              title=\"Convert this dataframe to an interactive table.\"\n",
              "              style=\"display:none;\">\n",
              "        \n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
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              "  </svg>\n",
              "      </button>\n",
              "      \n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      flex-wrap:wrap;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "      <script>\n",
              "        const buttonEl =\n",
              "          document.querySelector('#df-d7198861-4967-44d6-8d11-1869474920b6 button.colab-df-convert');\n",
              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-d7198861-4967-44d6-8d11-1869474920b6');\n",
              "          const dataTable =\n",
              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
              "          await google.colab.output.renderOutput(dataTable, element);\n",
              "          const docLink = document.createElement('div');\n",
              "          docLink.innerHTML = docLinkHtml;\n",
              "          element.appendChild(docLink);\n",
              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ]
          },
          "metadata": {},
          "execution_count": 5
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# df [\"class\"].unique()\n",
        "df [\"class\"] = (df[\"class\"] == \"g\").astype(int)"
      ],
      "metadata": {
        "id": "6FftBwNmCQ1l"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "df.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 206
        },
        "id": "1Eqn30o7EIo6",
        "outputId": "ab2d7206-2d7e-4307-eddf-7c0c81e7d605"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "    fLength    fWidth   fSize   fConc  fConc1     fAsym  fM3Long  fM3Trans  \\\n",
              "0   28.7967   16.0021  2.6449  0.3918  0.1982   27.7004  22.0110   -8.2027   \n",
              "1   31.6036   11.7235  2.5185  0.5303  0.3773   26.2722  23.8238   -9.9574   \n",
              "2  162.0520  136.0310  4.0612  0.0374  0.0187  116.7410 -64.8580  -45.2160   \n",
              "3   23.8172    9.5728  2.3385  0.6147  0.3922   27.2107  -6.4633   -7.1513   \n",
              "4   75.1362   30.9205  3.1611  0.3168  0.1832   -5.5277  28.5525   21.8393   \n",
              "\n",
              "    fAlpha     fDist  class  \n",
              "0  40.0920   81.8828      1  \n",
              "1   6.3609  205.2610      1  \n",
              "2  76.9600  256.7880      1  \n",
              "3  10.4490  116.7370      1  \n",
              "4   4.6480  356.4620      1  "
            ],
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              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>fLength</th>\n",
              "      <th>fWidth</th>\n",
              "      <th>fSize</th>\n",
              "      <th>fConc</th>\n",
              "      <th>fConc1</th>\n",
              "      <th>fAsym</th>\n",
              "      <th>fM3Long</th>\n",
              "      <th>fM3Trans</th>\n",
              "      <th>fAlpha</th>\n",
              "      <th>fDist</th>\n",
              "      <th>class</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>28.7967</td>\n",
              "      <td>16.0021</td>\n",
              "      <td>2.6449</td>\n",
              "      <td>0.3918</td>\n",
              "      <td>0.1982</td>\n",
              "      <td>27.7004</td>\n",
              "      <td>22.0110</td>\n",
              "      <td>-8.2027</td>\n",
              "      <td>40.0920</td>\n",
              "      <td>81.8828</td>\n",
              "      <td>1</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>31.6036</td>\n",
              "      <td>11.7235</td>\n",
              "      <td>2.5185</td>\n",
              "      <td>0.5303</td>\n",
              "      <td>0.3773</td>\n",
              "      <td>26.2722</td>\n",
              "      <td>23.8238</td>\n",
              "      <td>-9.9574</td>\n",
              "      <td>6.3609</td>\n",
              "      <td>205.2610</td>\n",
              "      <td>1</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>162.0520</td>\n",
              "      <td>136.0310</td>\n",
              "      <td>4.0612</td>\n",
              "      <td>0.0374</td>\n",
              "      <td>0.0187</td>\n",
              "      <td>116.7410</td>\n",
              "      <td>-64.8580</td>\n",
              "      <td>-45.2160</td>\n",
              "      <td>76.9600</td>\n",
              "      <td>256.7880</td>\n",
              "      <td>1</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>23.8172</td>\n",
              "      <td>9.5728</td>\n",
              "      <td>2.3385</td>\n",
              "      <td>0.6147</td>\n",
              "      <td>0.3922</td>\n",
              "      <td>27.2107</td>\n",
              "      <td>-6.4633</td>\n",
              "      <td>-7.1513</td>\n",
              "      <td>10.4490</td>\n",
              "      <td>116.7370</td>\n",
              "      <td>1</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>75.1362</td>\n",
              "      <td>30.9205</td>\n",
              "      <td>3.1611</td>\n",
              "      <td>0.3168</td>\n",
              "      <td>0.1832</td>\n",
              "      <td>-5.5277</td>\n",
              "      <td>28.5525</td>\n",
              "      <td>21.8393</td>\n",
              "      <td>4.6480</td>\n",
              "      <td>356.4620</td>\n",
              "      <td>1</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "      <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-0e2605ae-7105-4527-ac6a-92d3e2bb6a3e')\"\n",
              "              title=\"Convert this dataframe to an interactive table.\"\n",
              "              style=\"display:none;\">\n",
              "        \n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "       width=\"24px\">\n",
              "    <path d=\"M0 0h24v24H0V0z\" fill=\"none\"/>\n",
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              "  </svg>\n",
              "      </button>\n",
              "      \n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      flex-wrap:wrap;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "      <script>\n",
              "        const buttonEl =\n",
              "          document.querySelector('#df-0e2605ae-7105-4527-ac6a-92d3e2bb6a3e button.colab-df-convert');\n",
              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-0e2605ae-7105-4527-ac6a-92d3e2bb6a3e');\n",
              "          const dataTable =\n",
              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
              "          await google.colab.output.renderOutput(dataTable, element);\n",
              "          const docLink = document.createElement('div');\n",
              "          docLink.innerHTML = docLinkHtml;\n",
              "          element.appendChild(docLink);\n",
              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ]
          },
          "metadata": {},
          "execution_count": 8
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [],
      "metadata": {
        "id": "EqOsPZ4sElK4"
      },
      "execution_count": null,
      "outputs": []
    }
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}