.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"mhd"</span>, <span class="st">"mbd"</span>, <span class="st">"bd"</span>, <span class="st">"bd-mbd"</span><span class="op">)</span></span>
<span><span class="op">)</span></span>
<span></span>
<span><span class="co"># S3 method for class 'matrix'</span></span>
<span><span class="fu">curve_interval</span><span class="op">(</span></span>
<span>  <span class="va">.data</span>,</span>
<span>  <span class="va">...</spa