span class="co"># senatorial/imperial division</span>
<span class="fu"><a href="../reference/plot.map.html">plot.map</a></span><span class="op">(</span>type<span class="op">=</span><span class="st">"si"</span>, main<span class="op">=</span><span class="st">"Roman Empire (AD 117)"</span><span class="op">)</span></code></pre></div>
<p><img src="Maps_files/figure-html/unnamed-chunk-4-1.png" width="700"></p>
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