an>(<span class='no'>TTT_2</span>$<span class='no'>phi_n</span>)</div><div class='output co'>#&gt;           [,1]      [,2]
#&gt; [1,] 0.0000000 0.0000000
#&gt; [2,] 0.1664586 0.2286585
#&gt; [3,] 0.2330420 0.3384146
#&gt; [4,] 0.3058677 0.4664634
#&gt; [5,] 0.3682896 0.5945122
#&gt; [6,] 0.4307116 0.7812500</div><div class='input'><span class='fu'><a href='https://rdrr.io/r/base/print.html'>print</a></span>(<span class='no'>TTT_2</span>$<span class='no'>strata</span>)</div><div class='output co'>#&gt;    x