t">countMissing</td>
<td align="left">Compute proportion of missing observations</td>
<td align="left">character, Date, factor, integer, labelled, logical, numeric</td>
</tr>
<tr class="odd">
<td align="left">minMax</td>
<td align="left">Find minimum and maximum values</td>
<td align="left">integer, numeric, Date</td>
</tr>
<tr class="even">
<td align="left">quartiles</td>
<td align="left">Compute 1st and 3rd quartiles</td>
<td align="left">Date, integer, numeric</td>
</tr>
<tr class="odd">
<td align="left"