a></span><span class="op">(</span>engine <span class="op">=</span> <span class="st">"arima"</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>, data <span class="op">=</span> <span class="fu"><a href="https://rsample.tidymodels.org/reference/initial_split.html">training</a></span><span class="op">(