td><td>BMI-for-age z-score</td></tr>
</table>



    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/head.html'>head</a></span><span class='op'>(</span><span class='va'>nhanes</span><span class='op'>)</span>
</div><div class='output co'>#&gt;     cid sex agemos weight height headcir        waz       bmiz
#&gt; 1 51755   1     18   12.1   80.1      NA  0.2996904         NA
#