class="r-out co"><span class="r-pr">#&gt;</span> sample_18     9.014909    7.712705    9.337310    9.424684    8.434758</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> sample_19    10.871268   10.631069   11.246468   10.572334   11.628324</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> sample_20    11.755718   10.956356   10.389807   10.114504   10.578387</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> sample_21     9.327095    9.108092   10.363594   10.142456    9.