and Z-scores using the included CDC macro,
continue with these next steps:</p>
<div class="sourceCode" id="cb4"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="co"># Use the built-in utility function to convert the input observations to wide</span></span>
<span><span class="co"># format for BMI calculation</span></span>
<span><span class="va">cleaned_data_wide</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/longwide.html">longwide</a></span><span 