rcent_missing</span>
<span class="co">#&gt; 1      Day       0      153              100               0</span>
<span class="co">#&gt; 2    Month       0      153              100               0</span>
<span class="co">#&gt; 3     Temp       0      153              100               0</span>
<span class="co">#&gt; 4     Wind       0      153              100               0</span></code></pre></div>
<p>To get this summary by group:</p>
<div class="sourceCode" id="cb13"><pre class="downlit sourceCode r">
<c