CarPricePredictionusingRandomForest.ipynb

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      "source": [
        "# **Car Price Prediction using RANDOM FOREST ALGORITHM**"
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      "cell_type": "markdown",
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        "***Importing essential Libraries***"
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      "source": [
        "import pandas as pd"
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        "***Load Dataset from Local Directory***"
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          "text": [
            "Saving CarPrice.csv to CarPrice.csv\n"
          ]
        }
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        "from google.colab import files\n",
        "uploaded = files.upload()"
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      "cell_type": "markdown",
      "source": [
        "***Load Dataset***"
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      "cell_type": "code",
      "source": [
        "dataset = pd.read_csv('CarPrice.csv')\n",
        "dataset = dataset.drop(['car_ID'],axis=1)\n",
        "dataset"
      ],
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            "text/plain": [
              "     symboling                   CarName fueltype aspiration doornumber  \\\n",
              "0            3        alfa-romero giulia      gas        std        two   \n",
              "1            3       alfa-romero stelvio      gas        std        two   \n",
              "2            1  alfa-romero Quadrifoglio      gas        std        two   \n",
              "3            2               audi 100 ls      gas        std       four   \n",
              "4            2                audi 100ls      gas        std       four   \n",
              "..         ...                       ...      ...        ...        ...   \n",
              "200         -1           volvo 145e (sw)      gas        std       four   \n",
              "201         -1               volvo 144ea      gas      turbo       four   \n",
              "202         -1               volvo 244dl      gas        std       four   \n",
              "203         -1                 volvo 246   diesel      turbo       four   \n",
              "204         -1               volvo 264gl      gas      turbo       four   \n",
              "\n",
              "         carbody drivewheel enginelocation  wheelbase  carlength  ...  \\\n",
              "0    convertible        rwd          front       88.6      168.8  ...   \n",
              "1    convertible        rwd          front       88.6      168.8  ...   \n",
              "2      hatchback        rwd          front       94.5      171.2  ...   \n",
              "3          sedan        fwd          front       99.8      176.6  ...   \n",
              "4          sedan        4wd          front       99.4      176.6  ...   \n",
              "..           ...        ...            ...        ...        ...  ...   \n",
              "200        sedan        rwd          front      109.1      188.8  ...   \n",
              "201        sedan        rwd          front      109.1      188.8  ...   \n",
              "202        sedan        rwd          front      109.1      188.8  ...   \n",
              "203        sedan        rwd          front      109.1      188.8  ...   \n",
              "204        sedan        rwd          front      109.1      188.8  ...   \n",
              "\n",
              "     enginesize  fuelsystem  boreratio stroke compressionratio  horsepower  \\\n",
              "0           130        mpfi       3.47   2.68              9.0         111   \n",
              "1           130        mpfi       3.47   2.68              9.0         111   \n",
              "2           152        mpfi       2.68   3.47              9.0         154   \n",
              "3           109        mpfi       3.19   3.40             10.0         102   \n",
              "4           136        mpfi       3.19   3.40              8.0         115   \n",
              "..          ...         ...        ...    ...              ...         ...   \n",
              "200         141        mpfi       3.78   3.15              9.5         114   \n",
              "201         141        mpfi       3.78   3.15              8.7         160   \n",
              "202         173        mpfi       3.58   2.87              8.8         134   \n",
              "203         145         idi       3.01   3.40             23.0         106   \n",
              "204         141        mpfi       3.78   3.15              9.5         114   \n",
              "\n",
              "    peakrpm  citympg  highwaympg    price  \n",
              "0      5000       21          27  13495.0  \n",
              "1      5000       21          27  16500.0  \n",
              "2      5000       19          26  16500.0  \n",
              "3      5500       24          30  13950.0  \n",
              "4      5500       18          22  17450.0  \n",
              "..      ...      ...         ...      ...  \n",
              "200    5400       23          28  16845.0  \n",
              "201    5300       19          25  19045.0  \n",
              "202    5500       18          23  21485.0  \n",
              "203    4800       26          27  22470.0  \n",
              "204    5400       19          25  22625.0  \n",
              "\n",
              "[205 rows x 25 columns]"
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              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>symboling</th>\n",
              "      <th>CarName</th>\n",
              "      <th>fueltype</th>\n",
              "      <th>aspiration</th>\n",
              "      <th>doornumber</th>\n",
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              "      <th>drivewheel</th>\n",
              "      <th>enginelocation</th>\n",
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              "      <th>enginesize</th>\n",
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              "      <th>citympg</th>\n",
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              "      <th>0</th>\n",
              "      <td>3</td>\n",
              "      <td>alfa-romero giulia</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>two</td>\n",
              "      <td>convertible</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>88.6</td>\n",
              "      <td>168.8</td>\n",
              "      <td>...</td>\n",
              "      <td>130</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.47</td>\n",
              "      <td>2.68</td>\n",
              "      <td>9.0</td>\n",
              "      <td>111</td>\n",
              "      <td>5000</td>\n",
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              "      <td>13495.0</td>\n",
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              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>3</td>\n",
              "      <td>alfa-romero stelvio</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>two</td>\n",
              "      <td>convertible</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>88.6</td>\n",
              "      <td>168.8</td>\n",
              "      <td>...</td>\n",
              "      <td>130</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.47</td>\n",
              "      <td>2.68</td>\n",
              "      <td>9.0</td>\n",
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              "      <td>27</td>\n",
              "      <td>16500.0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>1</td>\n",
              "      <td>alfa-romero Quadrifoglio</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>two</td>\n",
              "      <td>hatchback</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>94.5</td>\n",
              "      <td>171.2</td>\n",
              "      <td>...</td>\n",
              "      <td>152</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>2.68</td>\n",
              "      <td>3.47</td>\n",
              "      <td>9.0</td>\n",
              "      <td>154</td>\n",
              "      <td>5000</td>\n",
              "      <td>19</td>\n",
              "      <td>26</td>\n",
              "      <td>16500.0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>2</td>\n",
              "      <td>audi 100 ls</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>fwd</td>\n",
              "      <td>front</td>\n",
              "      <td>99.8</td>\n",
              "      <td>176.6</td>\n",
              "      <td>...</td>\n",
              "      <td>109</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.19</td>\n",
              "      <td>3.40</td>\n",
              "      <td>10.0</td>\n",
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              "      <td>13950.0</td>\n",
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              "      <th>4</th>\n",
              "      <td>2</td>\n",
              "      <td>audi 100ls</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>4wd</td>\n",
              "      <td>front</td>\n",
              "      <td>99.4</td>\n",
              "      <td>176.6</td>\n",
              "      <td>...</td>\n",
              "      <td>136</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.19</td>\n",
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              "      <td>8.0</td>\n",
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              "      <td>sedan</td>\n",
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              "      <td>mpfi</td>\n",
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              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>109.1</td>\n",
              "      <td>188.8</td>\n",
              "      <td>...</td>\n",
              "      <td>141</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.78</td>\n",
              "      <td>3.15</td>\n",
              "      <td>8.7</td>\n",
              "      <td>160</td>\n",
              "      <td>5300</td>\n",
              "      <td>19</td>\n",
              "      <td>25</td>\n",
              "      <td>19045.0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>202</th>\n",
              "      <td>-1</td>\n",
              "      <td>volvo 244dl</td>\n",
              "      <td>gas</td>\n",
              "      <td>std</td>\n",
              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>109.1</td>\n",
              "      <td>188.8</td>\n",
              "      <td>...</td>\n",
              "      <td>173</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.58</td>\n",
              "      <td>2.87</td>\n",
              "      <td>8.8</td>\n",
              "      <td>134</td>\n",
              "      <td>5500</td>\n",
              "      <td>18</td>\n",
              "      <td>23</td>\n",
              "      <td>21485.0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>203</th>\n",
              "      <td>-1</td>\n",
              "      <td>volvo 246</td>\n",
              "      <td>diesel</td>\n",
              "      <td>turbo</td>\n",
              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>109.1</td>\n",
              "      <td>188.8</td>\n",
              "      <td>...</td>\n",
              "      <td>145</td>\n",
              "      <td>idi</td>\n",
              "      <td>3.01</td>\n",
              "      <td>3.40</td>\n",
              "      <td>23.0</td>\n",
              "      <td>106</td>\n",
              "      <td>4800</td>\n",
              "      <td>26</td>\n",
              "      <td>27</td>\n",
              "      <td>22470.0</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>204</th>\n",
              "      <td>-1</td>\n",
              "      <td>volvo 264gl</td>\n",
              "      <td>gas</td>\n",
              "      <td>turbo</td>\n",
              "      <td>four</td>\n",
              "      <td>sedan</td>\n",
              "      <td>rwd</td>\n",
              "      <td>front</td>\n",
              "      <td>109.1</td>\n",
              "      <td>188.8</td>\n",
              "      <td>...</td>\n",
              "      <td>141</td>\n",
              "      <td>mpfi</td>\n",
              "      <td>3.78</td>\n",
              "      <td>3.15</td>\n",
              "      <td>9.5</td>\n",
              "      <td>114</td>\n",
              "      <td>5400</td>\n",
              "      <td>19</td>\n",
              "      <td>25</td>\n",
              "      <td>22625.0</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "<p>205 rows × 25 columns</p>\n",
              "</div>\n",
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            ]
          },
          "metadata": {},
          "execution_count": 3
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Summarize Dataset***"
      ],
      "metadata": {
        "id": "Y5rxhg1N-JEy"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "print(dataset.shape)\n",
        "print(dataset.head(5))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "fYXVpygQ-L_b",
        "outputId": "4993952e-e069-4548-e344-0e660b49c873"
      },
      "execution_count": 4,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "(205, 25)\n",
            "   symboling                   CarName fueltype aspiration doornumber  \\\n",
            "0          3        alfa-romero giulia      gas        std        two   \n",
            "1          3       alfa-romero stelvio      gas        std        two   \n",
            "2          1  alfa-romero Quadrifoglio      gas        std        two   \n",
            "3          2               audi 100 ls      gas        std       four   \n",
            "4          2                audi 100ls      gas        std       four   \n",
            "\n",
            "       carbody drivewheel enginelocation  wheelbase  carlength  ...  \\\n",
            "0  convertible        rwd          front       88.6      168.8  ...   \n",
            "1  convertible        rwd          front       88.6      168.8  ...   \n",
            "2    hatchback        rwd          front       94.5      171.2  ...   \n",
            "3        sedan        fwd          front       99.8      176.6  ...   \n",
            "4        sedan        4wd          front       99.4      176.6  ...   \n",
            "\n",
            "   enginesize  fuelsystem  boreratio stroke compressionratio  horsepower  \\\n",
            "0         130        mpfi       3.47   2.68              9.0         111   \n",
            "1         130        mpfi       3.47   2.68              9.0         111   \n",
            "2         152        mpfi       2.68   3.47              9.0         154   \n",
            "3         109        mpfi       3.19   3.40             10.0         102   \n",
            "4         136        mpfi       3.19   3.40              8.0         115   \n",
            "\n",
            "  peakrpm  citympg  highwaympg    price  \n",
            "0    5000       21          27  13495.0  \n",
            "1    5000       21          27  16500.0  \n",
            "2    5000       19          26  16500.0  \n",
            "3    5500       24          30  13950.0  \n",
            "4    5500       18          22  17450.0  \n",
            "\n",
            "[5 rows x 25 columns]\n"
          ]
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Splitting dataset into X and Y***"
      ],
      "metadata": {
        "id": "1la4OPUZ-5VU"
      }
    },
    {
      "cell_type": "markdown",
      "source": [
        "*This X contains Both Numerical and Text Data*"
      ],
      "metadata": {
        "id": "EMtyq8Ni-_GZ"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "Xdata=dataset.drop('price',axis='columns') #dropping price column\n",
        "numericalCols=Xdata.select_dtypes(exclude=['object']).columns #excluding datatypes of object datatype\n",
        "X=Xdata[numericalCols] #includes all numerical based data\n",
        "X"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 488
        },
        "id": "yRa_134m_FpQ",
        "outputId": "db6ca630-8bd1-49be-fa4c-e1b5c97324de"
      },
      "execution_count": 5,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "     symboling  wheelbase  carlength  carwidth  carheight  curbweight  \\\n",
              "0            3       88.6      168.8      64.1       48.8        2548   \n",
              "1            3       88.6      168.8      64.1       48.8        2548   \n",
              "2            1       94.5      171.2      65.5       52.4        2823   \n",
              "3            2       99.8      176.6      66.2       54.3        2337   \n",
              "4            2       99.4      176.6      66.4       54.3        2824   \n",
              "..         ...        ...        ...       ...        ...         ...   \n",
              "200         -1      109.1      188.8      68.9       55.5        2952   \n",
              "201         -1      109.1      188.8      68.8       55.5        3049   \n",
              "202         -1      109.1      188.8      68.9       55.5        3012   \n",
              "203         -1      109.1      188.8      68.9       55.5        3217   \n",
              "204         -1      109.1      188.8      68.9       55.5        3062   \n",
              "\n",
              "     enginesize  boreratio  stroke  compressionratio  horsepower  peakrpm  \\\n",
              "0           130       3.47    2.68               9.0         111     5000   \n",
              "1           130       3.47    2.68               9.0         111     5000   \n",
              "2           152       2.68    3.47               9.0         154     5000   \n",
              "3           109       3.19    3.40              10.0         102     5500   \n",
              "4           136       3.19    3.40               8.0         115     5500   \n",
              "..          ...        ...     ...               ...         ...      ...   \n",
              "200         141       3.78    3.15               9.5         114     5400   \n",
              "201         141       3.78    3.15               8.7         160     5300   \n",
              "202         173       3.58    2.87               8.8         134     5500   \n",
              "203         145       3.01    3.40              23.0         106     4800   \n",
              "204         141       3.78    3.15               9.5         114     5400   \n",
              "\n",
              "     citympg  highwaympg  \n",
              "0         21          27  \n",
              "1         21          27  \n",
              "2         19          26  \n",
              "3         24          30  \n",
              "4         18          22  \n",
              "..       ...         ...  \n",
              "200       23          28  \n",
              "201       19          25  \n",
              "202       18          23  \n",
              "203       26          27  \n",
              "204       19          25  \n",
              "\n",
              "[205 rows x 14 columns]"
            ],
            "text/html": [
              "\n",
              "  <div id=\"df-4704264f-5dad-485a-b579-a45793f4c6fc\">\n",
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              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>symboling</th>\n",
              "      <th>wheelbase</th>\n",
              "      <th>carlength</th>\n",
              "      <th>carwidth</th>\n",
              "      <th>carheight</th>\n",
              "      <th>curbweight</th>\n",
              "      <th>enginesize</th>\n",
              "      <th>boreratio</th>\n",
              "      <th>stroke</th>\n",
              "      <th>compressionratio</th>\n",
              "      <th>horsepower</th>\n",
              "      <th>peakrpm</th>\n",
              "      <th>citympg</th>\n",
              "      <th>highwaympg</th>\n",
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              "  <tbody>\n",
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              "      <th>0</th>\n",
              "      <td>3</td>\n",
              "      <td>88.6</td>\n",
              "      <td>168.8</td>\n",
              "      <td>64.1</td>\n",
              "      <td>48.8</td>\n",
              "      <td>2548</td>\n",
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              "      <th>1</th>\n",
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              "      <td>168.8</td>\n",
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              "      <td>48.8</td>\n",
              "      <td>2548</td>\n",
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              "      <th>2</th>\n",
              "      <td>1</td>\n",
              "      <td>94.5</td>\n",
              "      <td>171.2</td>\n",
              "      <td>65.5</td>\n",
              "      <td>52.4</td>\n",
              "      <td>2823</td>\n",
              "      <td>152</td>\n",
              "      <td>2.68</td>\n",
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              "      <td>9.0</td>\n",
              "      <td>154</td>\n",
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              "      <td>26</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>2</td>\n",
              "      <td>99.8</td>\n",
              "      <td>176.6</td>\n",
              "      <td>66.2</td>\n",
              "      <td>54.3</td>\n",
              "      <td>2337</td>\n",
              "      <td>109</td>\n",
              "      <td>3.19</td>\n",
              "      <td>3.40</td>\n",
              "      <td>10.0</td>\n",
              "      <td>102</td>\n",
              "      <td>5500</td>\n",
              "      <td>24</td>\n",
              "      <td>30</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>2</td>\n",
              "      <td>99.4</td>\n",
              "      <td>176.6</td>\n",
              "      <td>66.4</td>\n",
              "      <td>54.3</td>\n",
              "      <td>2824</td>\n",
              "      <td>136</td>\n",
              "      <td>3.19</td>\n",
              "      <td>3.40</td>\n",
              "      <td>8.0</td>\n",
              "      <td>115</td>\n",
              "      <td>5500</td>\n",
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              "      <td>22</td>\n",
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              "      <th>200</th>\n",
              "      <td>-1</td>\n",
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              "      <td>188.8</td>\n",
              "      <td>68.9</td>\n",
              "      <td>55.5</td>\n",
              "      <td>2952</td>\n",
              "      <td>141</td>\n",
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              "      <td>114</td>\n",
              "      <td>5400</td>\n",
              "      <td>23</td>\n",
              "      <td>28</td>\n",
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              "      <th>201</th>\n",
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              "      <td>68.8</td>\n",
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              "      <td>3.15</td>\n",
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              "      <td>5300</td>\n",
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              "      <td>188.8</td>\n",
              "      <td>68.9</td>\n",
              "      <td>55.5</td>\n",
              "      <td>3062</td>\n",
              "      <td>141</td>\n",
              "      <td>3.78</td>\n",
              "      <td>3.15</td>\n",
              "      <td>9.5</td>\n",
              "      <td>114</td>\n",
              "      <td>5400</td>\n",
              "      <td>19</td>\n",
              "      <td>25</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "<p>205 rows × 14 columns</p>\n",
              "</div>\n",
              "      <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-4704264f-5dad-485a-b579-a45793f4c6fc')\"\n",
              "              title=\"Convert this dataframe to an interactive table.\"\n",
              "              style=\"display:none;\">\n",
              "        \n",
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              "    .colab-df-convert:hover {\n",
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              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-4704264f-5dad-485a-b579-a45793f4c6fc');\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",
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              "            + ' to learn more about interactive tables.';\n",
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              "  </div>\n",
              "  "
            ]
          },
          "metadata": {},
          "execution_count": 5
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "Y = dataset['price']\n",
        "Y"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "UbpyYJiZ_z2k",
        "outputId": "ed15c650-27c3-4fb6-bcff-4171237be0f1"
      },
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0      13495.0\n",
              "1      16500.0\n",
              "2      16500.0\n",
              "3      13950.0\n",
              "4      17450.0\n",
              "        ...   \n",
              "200    16845.0\n",
              "201    19045.0\n",
              "202    21485.0\n",
              "203    22470.0\n",
              "204    22625.0\n",
              "Name: price, Length: 205, dtype: float64"
            ]
          },
          "metadata": {},
          "execution_count": 6
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Scaling the Independent Variables (Features)***"
      ],
      "metadata": {
        "id": "zX2GOz9u_8Jr"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "from sklearn.preprocessing import scale\n",
        "cols = X.columns\n",
        "X = pd.DataFrame(scale(X)) #rescaling of data(universal Scale)\n",
        "X.columns = cols\n",
        "X"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 488
        },
        "id": "kLNIKxfMAWvq",
        "outputId": "fde9b5d3-610c-47e0-e8ba-4ffd5be43074"
      },
      "execution_count": 7,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "     symboling  wheelbase  carlength  carwidth  carheight  curbweight  \\\n",
              "0     1.743470  -1.690772  -0.426521 -0.844782  -2.020417   -0.014566   \n",
              "1     1.743470  -1.690772  -0.426521 -0.844782  -2.020417   -0.014566   \n",
              "2     0.133509  -0.708596  -0.231513 -0.190566  -0.543527    0.514882   \n",
              "3     0.938490   0.173698   0.207256  0.136542   0.235942   -0.420797   \n",
              "4     0.938490   0.107110   0.207256  0.230001   0.235942    0.516807   \n",
              "..         ...        ...        ...       ...        ...         ...   \n",
              "200  -1.476452   1.721873   1.198549  1.398245   0.728239    0.763241   \n",
              "201  -1.476452   1.721873   1.198549  1.351515   0.728239    0.949992   \n",
              "202  -1.476452   1.721873   1.198549  1.398245   0.728239    0.878757   \n",
              "203  -1.476452   1.721873   1.198549  1.398245   0.728239    1.273437   \n",
              "204  -1.476452   1.721873   1.198549  1.398245   0.728239    0.975021   \n",
              "\n",
              "     enginesize  boreratio    stroke  compressionratio  horsepower   peakrpm  \\\n",
              "0      0.074449   0.519071 -1.839377         -0.288349    0.174483 -0.262960   \n",
              "1      0.074449   0.519071 -1.839377         -0.288349    0.174483 -0.262960   \n",
              "2      0.604046  -2.404880  0.685946         -0.288349    1.264536 -0.262960   \n",
              "3     -0.431076  -0.517266  0.462183         -0.035973   -0.053668  0.787855   \n",
              "4      0.218885  -0.517266  0.462183         -0.540725    0.275883  0.787855   \n",
              "..          ...        ...       ...               ...         ...       ...   \n",
              "200    0.339248   1.666445 -0.336970         -0.162161    0.250533  0.577692   \n",
              "201    0.339248   1.666445 -0.336970         -0.364062    1.416637  0.367529   \n",
              "202    1.109571   0.926204 -1.232021         -0.338824    0.757535  0.787855   \n",
              "203    0.435538  -1.183483  0.462183          3.244916    0.047732 -0.683286   \n",
              "204    0.339248   1.666445 -0.336970         -0.162161    0.250533  0.577692   \n",
              "\n",
              "      citympg  highwaympg  \n",
              "0   -0.646553   -0.546059  \n",
              "1   -0.646553   -0.546059  \n",
              "2   -0.953012   -0.691627  \n",
              "3   -0.186865   -0.109354  \n",
              "4   -1.106241   -1.273900  \n",
              "..        ...         ...  \n",
              "200 -0.340094   -0.400490  \n",
              "201 -0.953012   -0.837195  \n",
              "202 -1.106241   -1.128332  \n",
              "203  0.119594   -0.546059  \n",
              "204 -0.953012   -0.837195  \n",
              "\n",
              "[205 rows x 14 columns]"
            ],
            "text/html": [
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              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>symboling</th>\n",
              "      <th>wheelbase</th>\n",
              "      <th>carlength</th>\n",
              "      <th>carwidth</th>\n",
              "      <th>carheight</th>\n",
              "      <th>curbweight</th>\n",
              "      <th>enginesize</th>\n",
              "      <th>boreratio</th>\n",
              "      <th>stroke</th>\n",
              "      <th>compressionratio</th>\n",
              "      <th>horsepower</th>\n",
              "      <th>peakrpm</th>\n",
              "      <th>citympg</th>\n",
              "      <th>highwaympg</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>1.743470</td>\n",
              "      <td>-1.690772</td>\n",
              "      <td>-0.426521</td>\n",
              "      <td>-0.844782</td>\n",
              "      <td>-2.020417</td>\n",
              "      <td>-0.014566</td>\n",
              "      <td>0.074449</td>\n",
              "      <td>0.519071</td>\n",
              "      <td>-1.839377</td>\n",
              "      <td>-0.288349</td>\n",
              "      <td>0.174483</td>\n",
              "      <td>-0.262960</td>\n",
              "      <td>-0.646553</td>\n",
              "      <td>-0.546059</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>1.743470</td>\n",
              "      <td>-1.690772</td>\n",
              "      <td>-0.426521</td>\n",
              "      <td>-0.844782</td>\n",
              "      <td>-2.020417</td>\n",
              "      <td>-0.014566</td>\n",
              "      <td>0.074449</td>\n",
              "      <td>0.519071</td>\n",
              "      <td>-1.839377</td>\n",
              "      <td>-0.288349</td>\n",
              "      <td>0.174483</td>\n",
              "      <td>-0.262960</td>\n",
              "      <td>-0.646553</td>\n",
              "      <td>-0.546059</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>0.133509</td>\n",
              "      <td>-0.708596</td>\n",
              "      <td>-0.231513</td>\n",
              "      <td>-0.190566</td>\n",
              "      <td>-0.543527</td>\n",
              "      <td>0.514882</td>\n",
              "      <td>0.604046</td>\n",
              "      <td>-2.404880</td>\n",
              "      <td>0.685946</td>\n",
              "      <td>-0.288349</td>\n",
              "      <td>1.264536</td>\n",
              "      <td>-0.262960</td>\n",
              "      <td>-0.953012</td>\n",
              "      <td>-0.691627</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>0.938490</td>\n",
              "      <td>0.173698</td>\n",
              "      <td>0.207256</td>\n",
              "      <td>0.136542</td>\n",
              "      <td>0.235942</td>\n",
              "      <td>-0.420797</td>\n",
              "      <td>-0.431076</td>\n",
              "      <td>-0.517266</td>\n",
              "      <td>0.462183</td>\n",
              "      <td>-0.035973</td>\n",
              "      <td>-0.053668</td>\n",
              "      <td>0.787855</td>\n",
              "      <td>-0.186865</td>\n",
              "      <td>-0.109354</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>0.938490</td>\n",
              "      <td>0.107110</td>\n",
              "      <td>0.207256</td>\n",
              "      <td>0.230001</td>\n",
              "      <td>0.235942</td>\n",
              "      <td>0.516807</td>\n",
              "      <td>0.218885</td>\n",
              "      <td>-0.517266</td>\n",
              "      <td>0.462183</td>\n",
              "      <td>-0.540725</td>\n",
              "      <td>0.275883</td>\n",
              "      <td>0.787855</td>\n",
              "      <td>-1.106241</td>\n",
              "      <td>-1.273900</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>...</th>\n",
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              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "      <td>...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>200</th>\n",
              "      <td>-1.476452</td>\n",
              "      <td>1.721873</td>\n",
              "      <td>1.198549</td>\n",
              "      <td>1.398245</td>\n",
              "      <td>0.728239</td>\n",
              "      <td>0.763241</td>\n",
              "      <td>0.339248</td>\n",
              "      <td>1.666445</td>\n",
              "      <td>-0.336970</td>\n",
              "      <td>-0.162161</td>\n",
              "      <td>0.250533</td>\n",
              "      <td>0.577692</td>\n",
              "      <td>-0.340094</td>\n",
              "      <td>-0.400490</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>201</th>\n",
              "      <td>-1.476452</td>\n",
              "      <td>1.721873</td>\n",
              "      <td>1.198549</td>\n",
              "      <td>1.351515</td>\n",
              "      <td>0.728239</td>\n",
              "      <td>0.949992</td>\n",
              "      <td>0.339248</td>\n",
              "      <td>1.666445</td>\n",
              "      <td>-0.336970</td>\n",
              "      <td>-0.364062</td>\n",
              "      <td>1.416637</td>\n",
              "      <td>0.367529</td>\n",
              "      <td>-0.953012</td>\n",
              "      <td>-0.837195</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>202</th>\n",
              "      <td>-1.476452</td>\n",
              "      <td>1.721873</td>\n",
              "      <td>1.198549</td>\n",
              "      <td>1.398245</td>\n",
              "      <td>0.728239</td>\n",
              "      <td>0.878757</td>\n",
              "      <td>1.109571</td>\n",
              "      <td>0.926204</td>\n",
              "      <td>-1.232021</td>\n",
              "      <td>-0.338824</td>\n",
              "      <td>0.757535</td>\n",
              "      <td>0.787855</td>\n",
              "      <td>-1.106241</td>\n",
              "      <td>-1.128332</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>203</th>\n",
              "      <td>-1.476452</td>\n",
              "      <td>1.721873</td>\n",
              "      <td>1.198549</td>\n",
              "      <td>1.398245</td>\n",
              "      <td>0.728239</td>\n",
              "      <td>1.273437</td>\n",
              "      <td>0.435538</td>\n",
              "      <td>-1.183483</td>\n",
              "      <td>0.462183</td>\n",
              "      <td>3.244916</td>\n",
              "      <td>0.047732</td>\n",
              "      <td>-0.683286</td>\n",
              "      <td>0.119594</td>\n",
              "      <td>-0.546059</td>\n",
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              "    <tr>\n",
              "      <th>204</th>\n",
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              "      <td>1.721873</td>\n",
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              "      <td>1.398245</td>\n",
              "      <td>0.728239</td>\n",
              "      <td>0.975021</td>\n",
              "      <td>0.339248</td>\n",
              "      <td>1.666445</td>\n",
              "      <td>-0.336970</td>\n",
              "      <td>-0.162161</td>\n",
              "      <td>0.250533</td>\n",
              "      <td>0.577692</td>\n",
              "      <td>-0.953012</td>\n",
              "      <td>-0.837195</td>\n",
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              "<p>205 rows × 14 columns</p>\n",
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              "    .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-86165ea7-b07b-40c5-b134-8e65b2e877be 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-86165ea7-b07b-40c5-b134-8e65b2e877be');\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": 7
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Splitting Dataset into Train and Test***"
      ],
      "metadata": {
        "id": "qRjdECm7Azdr"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "from sklearn.model_selection import train_test_split\n",
        "x_train, x_test, y_train, y_test = train_test_split(X, Y, test_size=0.20, random_state=0) #20% for testing, 80% for training"
      ],
      "metadata": {
        "id": "bA0qCTxFA357"
      },
      "execution_count": 8,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Training Using Random Forest***"
      ],
      "metadata": {
        "id": "3i5vvTwxBUbX"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "from sklearn.ensemble import RandomForestRegressor\n",
        "model = RandomForestRegressor()\n",
        "model.fit(x_train, y_train)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "kDdcxu-RBYZb",
        "outputId": "768ee78f-ce5d-4387-b073-8a7ebd515eb4"
      },
      "execution_count": 9,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "RandomForestRegressor()"
            ]
          },
          "metadata": {},
          "execution_count": 9
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "***Evaluating Model***"
      ],
      "metadata": {
        "id": "2I3gl6Q3B4hn"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "ypred = model.predict(x_test)\n",
        "\n",
        "from sklearn.metrics import r2_score\n",
        "r2score = r2_score(y_test, ypred)\n",
        "print(\"R2Score\",r2score*100)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "Y-4EuJVHB_O-",
        "outputId": "3db46819-3c2b-4e9a-9f36-547ff9bde38f"
      },
      "execution_count": 10,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "R2Score 90.08703656396769\n"
          ]
        }
      ]
    }
  ]
}