>"1"</span>,
                  QSSTAT  <span class='op'>=</span> <span class='st'>""</span>,
                  VISIT  <span class='op'>=</span>  <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"Week 1"</span>, <span class='st'>"Week 12"</span>, <span class='st'>"Week 12"</span><span class='op'>)</span>,
                  QSSTRESC <span class='op'>=</span> <span class='st'>"1"</span>,
                  stringsAsFactors <span class='op'>=</span> <