ase/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://pkg.robjhyndman.com/forecast/" class="external-link">forecast</a></span><span class="op">)</span></span>
<span class="r-in"><span class="fu"><a href="https://rdrr.io/r/utils/data.html" class="external-link">data</a></span><span class="op">(</span><span class="va">USgas</span><span class="op">)</span></span>
<span class="r-in"></span>
<span class="r-in"><span class="co"># Set the horizon of th