co">#&gt; 18   Age + sex: 12-23 mo.Male       0          0     NA       NA</span></span>
<span><span class="co">#&gt; 19   Age + sex: 24-35 mo.Male       2          2      0  0.00000</span></span>
<span><span class="co">#&gt; 20   Age + sex: 36-47 mo.Male       0          0     NA       NA</span></span>
<span><span class="co">#&gt; 21   Age + sex: 48-59 mo.Male       0          0     NA       NA</span></span></code></pre></div>
<p>Using the function <code>with</code> it is easy to apply <code>anthro_prevale