 life (age 0-23 months) are interpreted as supine length, and
all linear measurements above 1095 days of life (age 36+ months) are interpreted as standing height.
Note: at the moment, all LENGTHCM will be converted to HEIGHTCM. In the future, the algorithm will be updated to consider this difference.</p></dd>


<dt>agedays</dt>
<dd><p>Numeric vector containing the age in days at each measurement.</p></dd>


<dt>sex</dt>
<dd><p>Vector identifying the gender of the subject, may be 'M', 'm', or 0 for males, vs