s"><div class='input'>
<span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span><span class='op'>(</span><span class='va'>Selection</span><span class='op'>)</span>
<span class='fu'><a href='https://rdrr.io/r/utils/head.html'>head</a></span><span class='op'>(</span><span class='va'>Selection</span><span class='op'>)</span>
</div><div class='output co'>#&gt; The matrix :
#&gt; 
#&gt;                    US60        US90      US210
#&gt; 236719_at    -2.0728409 -0.31237469  0.1792494
#&gt; 15