>zones<a class="anchor" aria-label="anchor" href="#arg-zones"></a></dt>
<dd><p><code>matrix</code>, <code>Matrix</code> or <code>list</code> object describing
the connection scheme for different zones. For <code>matrix</code> or
and <code>Matrix</code> arguments, each row and column corresponds
to a different zone in the argument to <code>x</code>, and cell values must
contain binary <code>numeric</code> values (i.e., one or zero) that indicate
if connected planning units (as specified in the argument to
<c