"external-link">list</a></span><span class="op">(</span>Lin<span class="op">=</span><span class="st">"epoch.L"</span>, Quad<span class="op">=</span><span class="st">"epoch.Q"</span><span class="op">)</span>, </span></span>
<span class="r-in"><span>       xlab<span class="op">=</span><span class="va">vlab</span><span class="op">[</span><span class="fl">1</span><span class="op">]</span>, ylab<span class="op">=</span><span class="va">vlab</span><span class="op">[</span><span class="fl">2</span><span class="op"