 regression to account for
overdispersion in the data. A disease-specific threshold can
additionally be passed to the function, but is not necessary if only the
growth rate estimations are wanted. <code>season_start</code> and
<code>season_end</code> can be used to specify the season to stratify
the cases by. This algorithm runs across seasons, such that the first
cases in a new season will use the last <code>k-1</code> cases from the
previous season. The <code><a href="../reference/seasonal_onset.html">sea