title: how to find the correlation between categorical and numerical columns
body: <p>I'm trying to find the correlation between categorical and numerical columns in my dataset using Python, can anyone help?<br>
  Here is the data that I have.
  Thank you in advance.</p>
  <div class="s-table-container">
  <table class="s-table">
  <thead>
  <tr>
  <th>Light_Sensor_Reading</th>
  <th>Light_Sensor_Status</th>
  </tr>
  </thead>
  <tbody>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>231</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>232</td>
  <td>Dim</td>
  </tr>
  <tr>
  <td>950</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>988</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>987</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>986</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>985</td>
  <td>Very_bright</td>
  </tr>
  <tr>
  <td>985</td>
  <td>Very_bright</td>
  </tr>
  </tbody>
  </table>
  </div>