text-align:left;"> students |&gt; clean_names() |&gt; mutate('meal_plan = factor(mean_plan)',  age = if_else(age == "five", "5", age), age = parse_number(age)) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-12 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_1.csv") </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-13 </td>
   <td style="text-align:left;"> exercise </td>
  