frame object <code>source_data</code> containing growth
data:</p>
<div class="sourceCode" id="cb3"><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://carriedaymont.github.io/growthcleanr/index.html" class="external-link">growthcleanr</a></span><span class="op">)</span></span>
<span></span>
<span><span class="co"># prepare data as a