> 
> r_power
       r trtdf errdf   f_0.05 lambda      power
 [1,]  2     2     3 9.552094    1.0 0.08297034
 [2,]  3     2     6 5.143253    1.5 0.12683241
 [3,]  4     2     9 4.256495    2.0 0.17328242
 [4,]  5     2    12 3.885294    2.5 0.22113986
 [5,]  6     2    15 3.682320    3.0 0.26963098
 [6,]  7     2    18 3.554557    3.5 0.31808850
 [7,]  8     2    21 3.466800    4.0 0.36593917
 [8,]  9     2    24 3.402826    4.5 0.41270352
 [9,] 10     2    27 3.354131    5.0 0.45799228
[10,] 11     2    30 3.315830    5.5 0.50149988
[11,] 12     2    33 3.284918    6.0 0.54299654
[12,] 13     2    36 3.259446    6.5 0.58231960
[13,] 14     2    39 3.238096    7.0 0.61936486
[14,] 15     2    42 3.219942    7.5 0.65407805
[15,] 16     2    45 3.204317    8.0 0.68644692
[16,] 17     2    48 3.190727    8.5 0.71649388
[17,] 18     2    51 3.178799    9.0 0.74426928
[18,] 19     2    54 3.168246    9.5 0.76984553
[19,] 20     2    57 3.158843   10.0 0.79331184
[20,] 21     2    60 3.150411   10.5 0.81476969
[21,] 22     2    63 3.142809   11.0 0.83432897
[22,] 23     2    66 3.135918   11.5 0.85210465
[23,] 24     2    69 3.129644   12.0 0.86821411
[24,] 25     2    72 3.123907   12.5 0.88277488
[25,] 26     2    75 3.118642   13.0 0.89590284
[26,] 27     2    78 3.113792   13.5 0.90771084
[27,] 28     2    81 3.109311   14.0 0.91830756
[28,] 29     2    84 3.105157   14.5 0.92779679
[29,] 30     2    87 3.101296   15.0 0.93627683