n> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"Y"</span>, <span class='st'>"N"</span><span class='op'>)</span>,
                 stringsAsFactors<span class='op'>=</span><span class='