ass="kw">if</span> <span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/utils/packageDescription.html" class="external-link">packageVersion</a></span><span class="op">(</span><span class="st">"s2"</span><span class="op">)</span> <span class="op">&gt;</span> <span class="st">"1.0.7"</span><span class="op">)</span> <span class="op">{</span></span>
<span>  <span class="fu"><a href="https://rdrr.io/r/base/system.time.html" class="external-link">system.time</a></span><span class="op">(</span><spa