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    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-m">m<a class="anchor" aria-label="anchor" href="#arg-m"></a></dt>
<dd><p>A <code>matrix</code> or data frame of origin-destination flows. For <code>matrix</code> the first and second dimensions correspond to origin and destination respectively. For a data frame ensure the correct column names are passed to <code>orig</code>, <code>dest</