-length">length<a class="anchor" aria-label="anchor" href="#arg-length"></a></dt>
<dd><p>length of the arrow head</p></dd>


<dt id="arg-eps">eps<a class="anchor" aria-label="anchor" href="#arg-eps"></a></dt>
<dd><p>distance by which the axes are moved away from the plot region</p></dd>


<dt id="arg-code">code<a class="anchor" aria-label="anchor" href="#arg-code"></a></dt>
<dd><p>integer code determining the kind of arrows to be drawn; see ?arrows</p></dd>


<dt id="arg-xpd">xpd<a class="anchor" aria-label