s="va">syph</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/stats/ts.html" class="external-link">ts</a></span><span class="op">(</span><span class="va">syph</span><span class="op">$</span><span class="va">a33</span><span class="op">)</span>, ylab <span class="op">=</span> <span class="st">"Count"</span>, main 