 transect (default: <code>Transect.Label</code>).
Using different labels can be useful when transects are split over
geographical features or when transects are surveyed multiple times.</p></dd>


<dt id="arg-segment-label">Segment.Label<a class="anchor" aria-label="anchor" href="#arg-segment-label"></a></dt>
<dd><p>label for the segments (default: <code>Segment.Label</code>).The
result of calling <code><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></code> must make sense.</p></