</span>
<span>  family <span class="op">=</span> <span class="st">"quasipoisson"</span></span>
<span><span class="op">)</span></span></code></pre></div>
<p>The default function estimates onset and burden levels for the
current season. If it is desired to see calculations for all previous
seasons, the <code>only_current_season</code> argument should be set to
<code>FALSE</code>. <em>Note: </em>Burden levels can not be estimated
for the first season and needs at least two seasons of data as the
estimations ar