A</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5     1    NA    NA    NA     1    NA    NA    NA     0     0     0     0     0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 6    NA    NA    NA    NA    NA    NA    NA    NA     1     1     0     1     0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   lf063 lf064 lf065 lf