../reference/step_lead_lag.html">step_lead_lag</a></span><span class="op">(</span><span class="va">et</span>, lag <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/seq.html" class="external-link">seq</a></span><span class="op">(</span><span class="op">-</span><span class="fl">120</span>, <span class="fl">120</span>, <span class="fl">60</span><span class="op">)</span><span class="op">)</span> <span class="op">|&gt;</span></span>
<span>  <span class="fu"><a href="../reference/step_int