 Euclidean norm and epoch level average
of the Euclidean norm</td>
<td>Average</td>
<td>do.mad</td>
<td>Frequency</td>
</tr>
<tr class="even">
<td>anglex</td>
<td>5-second rolling median of a 10 Hertz version of the signals
followed by atan(x / (sqrt(y<sup>2</sup> + z<sup>2</sup>))) /
(pi/180)</td>
<td>Average</td>
<td>do.anglex</td>
<td>Frequency</td>
</tr>
<tr class="odd">
<td>angley</td>
<td>5-second rolling median of a 10 Hertz version of the signals
followed by atan(y / (sqrt(x<sup>2</sup> + z<sup>2</s