a(df)

df_borda.head()
</code></pre>
<p>Here, our goal is to calculate an aggregate ranking of alternatives. The result using Borda count is:</p>
<table>
<thead>
<tr>
<th>alternative</th>
<th>value</th>
<th>rank</th>
</tr>
</thead>
<tbody>
<tr>
<td>B</td>
<td>41</td>
<td>1</td>
</tr>
<tr>
<td>C</td>
<td>35</td>
<td>2</td>
</tr>
<tr>
<td>D</td>
<td>31</td>
<td>3</td>
</tr>
<tr>
<td>A</td>
<td>25</td>
<td>4</td>
</tr>
</tbody>
</table>
<p>As shown in the table above, <code>borda</code> method includes alterna