>4</span>,] <span class='kw'>&lt;-</span> <span class='no'>m</span>[<span class='fl'>4</span>,] + <span class='no'>m</span>[<span class='fl'>5</span>,]
<span class='no'>m</span> <span class='kw'>&lt;-</span> <span class='no'>m</span>[<span class='fl'>1</span>:<span class='fl'>4</span>,<span class='fl'>1</span>:<span class='fl'>3</span>]
<span class='fu'><a href='gkgamma.html'>gkgamma</a></span>(<span class='no'>m</span>)</div><div class='output co'>#&gt; 
#&gt; 	Goodman-Kruskal's gamma for ordinal categoric