pairwise.RdA utility function to determine indices for pairwise comparisons.
pairwise(N)
| N | a single numeric value representing the total number of things to undergo pairwise comparison. |
|---|
Returns a two column numeric matrix giving the indices for all pairs.
Grant, B.J. et al. (2006) Bioinformatics 22, 2695--2696.
Barry Grant
pairwise(3)#> [,1] [,2] #> [1,] 1 2 #> [2,] 1 3 #> [3,] 2 3pairwise(20)#> [,1] [,2] #> [1,] 1 2 #> [2,] 1 3 #> [3,] 1 4 #> [4,] 1 5 #> [5,] 1 6 #> [6,] 1 7 #> [7,] 1 8 #> [8,] 1 9 #> [9,] 1 10 #> [10,] 1 11 #> [11,] 1 12 #> [12,] 1 13 #> [13,] 1 14 #> [14,] 1 15 #> [15,] 1 16 #> [16,] 1 17 #> [17,] 1 18 #> [18,] 1 19 #> [19,] 1 20 #> [20,] 2 3 #> [21,] 2 4 #> [22,] 2 5 #> [23,] 2 6 #> [24,] 2 7 #> [25,] 2 8 #> [26,] 2 9 #> [27,] 2 10 #> [28,] 2 11 #> [29,] 2 12 #> [30,] 2 13 #> [31,] 2 14 #> [32,] 2 15 #> [33,] 2 16 #> [34,] 2 17 #> [35,] 2 18 #> [36,] 2 19 #> [37,] 2 20 #> [38,] 3 4 #> [39,] 3 5 #> [40,] 3 6 #> [41,] 3 7 #> [42,] 3 8 #> [43,] 3 9 #> [44,] 3 10 #> [45,] 3 11 #> [46,] 3 12 #> [47,] 3 13 #> [48,] 3 14 #> [49,] 3 15 #> [50,] 3 16 #> [51,] 3 17 #> [52,] 3 18 #> [53,] 3 19 #> [54,] 3 20 #> [55,] 4 5 #> [56,] 4 6 #> [57,] 4 7 #> [58,] 4 8 #> [59,] 4 9 #> [60,] 4 10 #> [61,] 4 11 #> [62,] 4 12 #> [63,] 4 13 #> [64,] 4 14 #> [65,] 4 15 #> [66,] 4 16 #> [67,] 4 17 #> [68,] 4 18 #> [69,] 4 19 #> [70,] 4 20 #> [71,] 5 6 #> [72,] 5 7 #> [73,] 5 8 #> [74,] 5 9 #> [75,] 5 10 #> [76,] 5 11 #> [77,] 5 12 #> [78,] 5 13 #> [79,] 5 14 #> [80,] 5 15 #> [81,] 5 16 #> [82,] 5 17 #> [83,] 5 18 #> [84,] 5 19 #> [85,] 5 20 #> [86,] 6 7 #> [87,] 6 8 #> [88,] 6 9 #> [89,] 6 10 #> [90,] 6 11 #> [91,] 6 12 #> [92,] 6 13 #> [93,] 6 14 #> [94,] 6 15 #> [95,] 6 16 #> [96,] 6 17 #> [97,] 6 18 #> [98,] 6 19 #> [99,] 6 20 #> [100,] 7 8 #> [101,] 7 9 #> [102,] 7 10 #> [103,] 7 11 #> [104,] 7 12 #> [105,] 7 13 #> [106,] 7 14 #> [107,] 7 15 #> [108,] 7 16 #> [109,] 7 17 #> [110,] 7 18 #> [111,] 7 19 #> [112,] 7 20 #> [113,] 8 9 #> [114,] 8 10 #> [115,] 8 11 #> [116,] 8 12 #> [117,] 8 13 #> [118,] 8 14 #> [119,] 8 15 #> [120,] 8 16 #> [121,] 8 17 #> [122,] 8 18 #> [123,] 8 19 #> [124,] 8 20 #> [125,] 9 10 #> [126,] 9 11 #> [127,] 9 12 #> [128,] 9 13 #> [129,] 9 14 #> [130,] 9 15 #> [131,] 9 16 #> [132,] 9 17 #> [133,] 9 18 #> [134,] 9 19 #> [135,] 9 20 #> [136,] 10 11 #> [137,] 10 12 #> [138,] 10 13 #> [139,] 10 14 #> [140,] 10 15 #> [141,] 10 16 #> [142,] 10 17 #> [143,] 10 18 #> [144,] 10 19 #> [145,] 10 20 #> [146,] 11 12 #> [147,] 11 13 #> [148,] 11 14 #> [149,] 11 15 #> [150,] 11 16 #> [151,] 11 17 #> [152,] 11 18 #> [153,] 11 19 #> [154,] 11 20 #> [155,] 12 13 #> [156,] 12 14 #> [157,] 12 15 #> [158,] 12 16 #> [159,] 12 17 #> [160,] 12 18 #> [161,] 12 19 #> [162,] 12 20 #> [163,] 13 14 #> [164,] 13 15 #> [165,] 13 16 #> [166,] 13 17 #> [167,] 13 18 #> [168,] 13 19 #> [169,] 13 20 #> [170,] 14 15 #> [171,] 14 16 #> [172,] 14 17 #> [173,] 14 18 #> [174,] 14 19 #> [175,] 14 20 #> [176,] 15 16 #> [177,] 15 17 #> [178,] 15 18 #> [179,] 15 19 #> [180,] 15 20 #> [181,] 16 17 #> [182,] 16 18 #> [183,] 16 19 #> [184,] 16 20 #> [185,] 17 18 #> [186,] 17 19 #> [187,] 17 20 #> [188,] 18 19 #> [189,] 18 20 #> [190,] 19 20