class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/Log.html" class="external-link">log</a></span><span class="op">(</span><span class="va">num</span><span class="op">)</span><span class="op">~</span><span class="va">age</span>,data<span class="op">=</span><span class="va">BassFL</span>,subset<span class="op">=</span><span class="op">(</span><span class="va">loc</span><span class="op">==</span><span class="st">"SantaFe"</span> <span class="op">&amp;</span> <span class="va">year</span><span c