/pre></div>
<p>If our example dataset above were named <code>source_data</code>,
examining <code>cleaned_data</code> would show:</p>
<table class="table">
<colgroup>
<col width="10%">
<col width="13%">
<col width="12%">
<col width="5%">
<col width="18%">
<col width="39%">
</colgroup>
<thead><tr class="header">
<th>subjid</th>
<th>param</th>
<th>agedays</th>
<th>sex</th>
<th>measurement</th>
<th>gcr_result</th>
</tr></thead>
<tbody>
<tr class="odd">
<td>1</td>
<td>HEIGHTCM</td>
<td>2790</td>
<td>0</td>
<td>1