class="fl">230</span>, <span class="fl">110</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>  calCurves <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"intcal20"</span>, <span class="st">"intcal20"</span>, <span class="st">"shcal20"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">)</span></span></span>
<span class="r-in"><span><span c