dot \text{zone}_{\text{B}} 
+ 0.0061 \cdot \text{zone}_{\text{C}} 
+ 0.0781 \cdot \text{zone}_{\text{D}} \\
+ 0.0019 \cdot \text{zone}_{\text{E}} 
- 0.0027 \cdot \text{zone}_{\text{F}} 
+ 0.0309 \cdot \text{zone}_{\text{G}} 
+ 0.0757 \cdot \text{zone}_{\text{H}} \\
+ \text{(interaction terms for race and zone)}
$$ </td>
  </tr>
  <tr>
   <td style="text-align:left;"> courage-14 </td>
   <td style="text-align:left;"> question </td>
   <td style="text-align:left;"> &gt; tutorial.helpers::show_fil