    <span style='color: #BB0000;'>NA</span>     14
#&gt; <span style='color: #BCBCBC;'>3</span>         3     <span style='color: #BB0000;'>NA</span>     10</div><div class='input'>
<span class='co'># You can also show which row or which column each cell came from, which</span>
<span class='co'># helps with understanding what this function does.</span>
<span class='fu'>rectify</span><span class='op'>(</span><span class='va'>y</span>, values <span class='op'>=</span> <span class='va'>row</span><span class='o