ass="r-pr">#&gt;</span> 6     &lt;NA&gt;     IND         NA    0.8746007          NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 7        3    &lt;NA&gt;         NA           NA 0.497777389</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 8        4    &lt;NA&gt;         NA           NA 0.289767245</span>
<span class="r-in"><span><span class="fu">auto_merge</span><span class="op">(</span><span class="va">tab1</span>, <span class="va">tab2</span>, <span class="va">tab3</span>, 