r>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">(Intercept)</td>
<td style="text-align: right;">0.0187708</td>
</tr>
<tr class="even">
<td style="text-align: left;">X</td>
<td style="text-align: right;">-1.0124725</td>
</tr>
<tr class="odd">
<td style="text-align: left;">C</td>
<td style="text-align: right;">2.0130858</td>
</tr>
</tbody>
</table>
</div>
</div>
<p>Adding the covariate C to the model produces the correct <span class="math inline">\(-1\)</span> coefficient on X.</p>
</div>
<