lar):
#&gt;        NKPR     ED     CD     PH
#&gt; NKPR     NA 0.1265 0.1728 0.7997
#&gt; ED   2.3355     NA 0.0416 0.7256
#&gt; CD   1.8588 4.1500     NA 0.8245
#&gt; PH   0.0644 0.1232 0.0492     NA</div><div class='input'><span class='fu'><a href='https://rdrr.io/r/graphics/plot.default.html'>plot</a></span><span class='op'>(</span><span class='va'>t2</span>, <span class='st'>"ED"</span>, <span class='st'>"PH"</span><span class='op'>)</span>
</div><div class='img'><img src='gencovtest-2.png' alt=''