mpleted.</p></dd>
<dt>hgc_i</dt><dd><p>Integer of highest grade completed.</p></dd>
<dt>yr_hgc</dt><dd><p>The year when the highest grade completed.</p></dd>
<dt>njobs</dt><dd><p>Number of jobs that an individual has.</p></dd>
<dt>hours</dt><dd><p>The total number of hours the individual usually works per week.</p></dd>
<dt>is_wm</dt><dd><p>Whether the mean hourly wage is weighted mean, using the hour work
as the weight, or regular/arithmetic mean. TRUE = is weighted mean.
FALSE = is regular mean.</p></dd>
