e>).</p></dd>


<dt>complete_years</dt>
<dd><p>Logical values indicating whether to include only years with complete data in analysis. Default <code>FALSE</code>.</p></dd>


<dt>ignore_missing</dt>
<dd><p>Logical value indicating whether dates with missing values should be included in the calculation. If
<code>TRUE</code> then a statistic will be calculated regardless of missing dates. If <code>FALSE</code> then only those statistics from
time periods with no missing dates will be returned. Default <code>FA