='no'>phi_n</span>)</div><div class='output co'>#&gt;              [,1]
#&gt; [1,] 0.0000000000
#&gt; [2,] 0.0006028396
#&gt; [3,] 0.0007033129
#&gt; [4,] 0.0031146713
#&gt; [5,] 0.0032151446
#&gt; [6,] 0.0039184574</div><div class='input'><span class='fu'><a href='https://rdrr.io/r/base/print.html'>print</a></span>(<span class='no'>TTT_1</span>$<span class='no'>strata</span>)</div><div class='output co'>#&gt; SingleGroup 
#&gt;         237 </div><div class='input'>

<span class='co'>#----------------------