lfenmo</td>
<td>Same as enmo but with low-passed filtered signals as input</td>
<td>Average</td>
<td>do.lfenmo</td>
<td>Magnitude</td>
</tr>
<tr class="odd">
<td>enmoa</td>
<td>Same as enmo but with rectified negative values instead of rounded
to zero</td>
<td>Average</td>
<td>do.enmoa</td>
<td>Magnitude</td>
</tr>
<tr class="even">
<td>en</td>
<td>Euclidean norm (vector magnitude)</td>
<td>Average</td>
<td>do.en</td>
<td>Not attempted</td>
</tr>
<tr class="odd">
<td>mad</td>
<td>Absolute difference between