observed data.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">PrecipitationOccurrenceModel</span><span class="op">(</span></span>
<span>  <span class="va">x</span>,</span>
<span>  exogen <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  p <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  monthly.factor <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  valmin <span class="o