les</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="va">iris</span><span class="op">[</span><span class="fl">3</span><span class="op">:</span><span class="fl">8</span>,<span class="op">]</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Sepal.Length Sepal.Width Petal.Length Petal.Width Species</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3          4.7         3.2          1.3         0.2  setosa</span>
<