 class="r-pr">#&gt;</span> 1      1       ITA 0.08075014           NA 0.007399441</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2      1       FRA 0.83433304    0.7725215 0.007399441</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3      2       ITA 0.60076089           NA 0.466393497</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4      2       FRA 0.15720844    0.7725215 0.466393497</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5   &lt;NA&gt;   