an class="r-out co"><span class="r-pr">#&gt;</span>    with_warnings with_errors</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1              0           0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2              0           0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3              0           0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4              0           0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 