/dt>
<dd><p>Logical. Should missing values be removed? <br>
-) <kbd>TRUE</kbd> : the hourly values  are computed considering only those values different from NA <br>
-) <kbd>FALSE</kbd>: if there is AT LEAST one NA sub-hourly value within a day, the corresponding hourly value(s) will be NA as well</p></dd>

  <dt>from</dt>
<dd><p>POSIX object indicating the starting time used to carry out the temporal aggregation.  <br>
When <code>from &gt; start(x)</code> then <code>x</code> is cut in time to the starting 