/a></span><span class="op">(</span><span class="st">"stan"</span><span class="op">)</span> <span class="op">%&gt;%</span>
                   <span class="fu"><a href="https://generics.r-lib.org/reference/fit.html">fit</a></span><span class="op">(</span><span class="va">value</span> <span class="op">~</span> <span class="va">date</span> <span class="op">+</span> <span class="fu"><a href="http://lubridate.tidyverse.org/reference/month.html">month</a></span><span class="op">(</span><span class="va">date</span>