lass="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">1</span><span class="op">)</span><span class="op">+</span><span class="fl">1</span><span class="op">)</span>,<span class="op">-</span><span class="fl">1</span>,alpha<span class="op">=</span><span class="fl">0.1</span><span class="op">)</span></span></code></pre></div>
<div class="sourceCode" id="cb6"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">selection3</span><span c