 us build the
multivariate functional data objects of class <code>mfd</code>, see
<code><a href="../articles/mfd.html">vignette("mfd")</a></code>.</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://github.com/unina-sfere/funcharts" class="external-link">funcharts</a></span><span class="op">)</sp