ss="op">(</span><span class="va"><a href="https://www.gamlss.com/" class="external-link">gamlss</a></span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">mod</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/pkg/gamlss/man/gamlss.html" class="external-link">gamlss</a></span><span class="op">(</span><span class="va">y</span><span class="op">~</span><span class="fl">1</span>, sigma.fo<span class="op">=</span