Create an item pair mapping for calculate_nb.
Value
Named vector of item pairs as a character separated by ",":
"<item 2>,<item 1>" - "<item 1>,<item 2>"
"<item 3>,<item 1>" - "<item 1>,<item 3>"
...
"
- ,<item 1>" - "<item 1>,
- "
- ,<item 1>" - "<item 1>,
"
- ,<item 1>" - "<item 1>,
- "
- ,<item 1>" - "<item 1>,
"<item 3>,<item 2>" - "<item 2>,<item 3>"
"<item 4>,<item 2>" - "<item 2>,<item 4>"
...
"
- ,<item 2>" - "<item 2>,
- "
- ,<item 2>" - "<item 2>,
"
- ,<item 2>" - "<item 2>,
- "
- ,<item 2>" - "<item 2>,
...
"
- ,
- " - "
- ,
- "
- ,
"<item 1>,<item 1>" - "<item 1>,<item 1>"
"<item 2>,<item 2>" - "<item 2>,<item 2>"
...
"
- ,
- " - "
- ,
- "
- ,
"
- ,
- " - "
- ,
- "
- ,
Examples
treatments <- c(rep(1:10, 4), rep(11:16, 3), rep(17:27, 2))
create_pair_mapping(treatments)
#> 2,1 3,1 4,1 5,1 6,1 7,1 8,1 9,1 10,1 11,1
#> "1,2" "1,3" "1,4" "1,5" "1,6" "1,7" "1,8" "1,9" "1,10" "1,11"
#> 12,1 13,1 14,1 15,1 16,1 17,1 18,1 19,1 20,1 21,1
#> "1,12" "1,13" "1,14" "1,15" "1,16" "1,17" "1,18" "1,19" "1,20" "1,21"
#> 22,1 23,1 24,1 25,1 26,1 27,1 3,2 4,2 5,2 6,2
#> "1,22" "1,23" "1,24" "1,25" "1,26" "1,27" "2,3" "2,4" "2,5" "2,6"
#> 7,2 8,2 9,2 10,2 11,2 12,2 13,2 14,2 15,2 16,2
#> "2,7" "2,8" "2,9" "2,10" "2,11" "2,12" "2,13" "2,14" "2,15" "2,16"
#> 17,2 18,2 19,2 20,2 21,2 22,2 23,2 24,2 25,2 26,2
#> "2,17" "2,18" "2,19" "2,20" "2,21" "2,22" "2,23" "2,24" "2,25" "2,26"
#> 27,2 4,3 5,3 6,3 7,3 8,3 9,3 10,3 11,3 12,3
#> "2,27" "3,4" "3,5" "3,6" "3,7" "3,8" "3,9" "3,10" "3,11" "3,12"
#> 13,3 14,3 15,3 16,3 17,3 18,3 19,3 20,3 21,3 22,3
#> "3,13" "3,14" "3,15" "3,16" "3,17" "3,18" "3,19" "3,20" "3,21" "3,22"
#> 23,3 24,3 25,3 26,3 27,3 5,4 6,4 7,4 8,4 9,4
#> "3,23" "3,24" "3,25" "3,26" "3,27" "4,5" "4,6" "4,7" "4,8" "4,9"
#> 10,4 11,4 12,4 13,4 14,4 15,4 16,4 17,4 18,4 19,4
#> "4,10" "4,11" "4,12" "4,13" "4,14" "4,15" "4,16" "4,17" "4,18" "4,19"
#> 20,4 21,4 22,4 23,4 24,4 25,4 26,4 27,4 6,5 7,5
#> "4,20" "4,21" "4,22" "4,23" "4,24" "4,25" "4,26" "4,27" "5,6" "5,7"
#> 8,5 9,5 10,5 11,5 12,5 13,5 14,5 15,5 16,5 17,5
#> "5,8" "5,9" "5,10" "5,11" "5,12" "5,13" "5,14" "5,15" "5,16" "5,17"
#> 18,5 19,5 20,5 21,5 22,5 23,5 24,5 25,5 26,5 27,5
#> "5,18" "5,19" "5,20" "5,21" "5,22" "5,23" "5,24" "5,25" "5,26" "5,27"
#> 7,6 8,6 9,6 10,6 11,6 12,6 13,6 14,6 15,6 16,6
#> "6,7" "6,8" "6,9" "6,10" "6,11" "6,12" "6,13" "6,14" "6,15" "6,16"
#> 17,6 18,6 19,6 20,6 21,6 22,6 23,6 24,6 25,6 26,6
#> "6,17" "6,18" "6,19" "6,20" "6,21" "6,22" "6,23" "6,24" "6,25" "6,26"
#> 27,6 8,7 9,7 10,7 11,7 12,7 13,7 14,7 15,7 16,7
#> "6,27" "7,8" "7,9" "7,10" "7,11" "7,12" "7,13" "7,14" "7,15" "7,16"
#> 17,7 18,7 19,7 20,7 21,7 22,7 23,7 24,7 25,7 26,7
#> "7,17" "7,18" "7,19" "7,20" "7,21" "7,22" "7,23" "7,24" "7,25" "7,26"
#> 27,7 9,8 10,8 11,8 12,8 13,8 14,8 15,8 16,8 17,8
#> "7,27" "8,9" "8,10" "8,11" "8,12" "8,13" "8,14" "8,15" "8,16" "8,17"
#> 18,8 19,8 20,8 21,8 22,8 23,8 24,8 25,8 26,8 27,8
#> "8,18" "8,19" "8,20" "8,21" "8,22" "8,23" "8,24" "8,25" "8,26" "8,27"
#> 10,9 11,9 12,9 13,9 14,9 15,9 16,9 17,9 18,9 19,9
#> "9,10" "9,11" "9,12" "9,13" "9,14" "9,15" "9,16" "9,17" "9,18" "9,19"
#> 20,9 21,9 22,9 23,9 24,9 25,9 26,9 27,9 11,10 12,10
#> "9,20" "9,21" "9,22" "9,23" "9,24" "9,25" "9,26" "9,27" "10,11" "10,12"
#> 13,10 14,10 15,10 16,10 17,10 18,10 19,10 20,10 21,10 22,10
#> "10,13" "10,14" "10,15" "10,16" "10,17" "10,18" "10,19" "10,20" "10,21" "10,22"
#> 23,10 24,10 25,10 26,10 27,10 12,11 13,11 14,11 15,11 16,11
#> "10,23" "10,24" "10,25" "10,26" "10,27" "11,12" "11,13" "11,14" "11,15" "11,16"
#> 17,11 18,11 19,11 20,11 21,11 22,11 23,11 24,11 25,11 26,11
#> "11,17" "11,18" "11,19" "11,20" "11,21" "11,22" "11,23" "11,24" "11,25" "11,26"
#> 27,11 13,12 14,12 15,12 16,12 17,12 18,12 19,12 20,12 21,12
#> "11,27" "12,13" "12,14" "12,15" "12,16" "12,17" "12,18" "12,19" "12,20" "12,21"
#> 22,12 23,12 24,12 25,12 26,12 27,12 14,13 15,13 16,13 17,13
#> "12,22" "12,23" "12,24" "12,25" "12,26" "12,27" "13,14" "13,15" "13,16" "13,17"
#> 18,13 19,13 20,13 21,13 22,13 23,13 24,13 25,13 26,13 27,13
#> "13,18" "13,19" "13,20" "13,21" "13,22" "13,23" "13,24" "13,25" "13,26" "13,27"
#> 15,14 16,14 17,14 18,14 19,14 20,14 21,14 22,14 23,14 24,14
#> "14,15" "14,16" "14,17" "14,18" "14,19" "14,20" "14,21" "14,22" "14,23" "14,24"
#> 25,14 26,14 27,14 16,15 17,15 18,15 19,15 20,15 21,15 22,15
#> "14,25" "14,26" "14,27" "15,16" "15,17" "15,18" "15,19" "15,20" "15,21" "15,22"
#> 23,15 24,15 25,15 26,15 27,15 17,16 18,16 19,16 20,16 21,16
#> "15,23" "15,24" "15,25" "15,26" "15,27" "16,17" "16,18" "16,19" "16,20" "16,21"
#> 22,16 23,16 24,16 25,16 26,16 27,16 18,17 19,17 20,17 21,17
#> "16,22" "16,23" "16,24" "16,25" "16,26" "16,27" "17,18" "17,19" "17,20" "17,21"
#> 22,17 23,17 24,17 25,17 26,17 27,17 19,18 20,18 21,18 22,18
#> "17,22" "17,23" "17,24" "17,25" "17,26" "17,27" "18,19" "18,20" "18,21" "18,22"
#> 23,18 24,18 25,18 26,18 27,18 20,19 21,19 22,19 23,19 24,19
#> "18,23" "18,24" "18,25" "18,26" "18,27" "19,20" "19,21" "19,22" "19,23" "19,24"
#> 25,19 26,19 27,19 21,20 22,20 23,20 24,20 25,20 26,20 27,20
#> "19,25" "19,26" "19,27" "20,21" "20,22" "20,23" "20,24" "20,25" "20,26" "20,27"
#> 22,21 23,21 24,21 25,21 26,21 27,21 23,22 24,22 25,22 26,22
#> "21,22" "21,23" "21,24" "21,25" "21,26" "21,27" "22,23" "22,24" "22,25" "22,26"
#> 27,22 24,23 25,23 26,23 27,23 25,24 26,24 27,24 26,25 27,25
#> "22,27" "23,24" "23,25" "23,26" "23,27" "24,25" "24,26" "24,27" "25,26" "25,27"
#> 27,26 1,1 2,2 3,3 4,4 5,5 6,6 7,7 8,8 9,9
#> "26,27" "1,1" "2,2" "3,3" "4,4" "5,5" "6,6" "7,7" "8,8" "9,9"
#> 10,10 11,11 12,12 13,13 14,14 15,15 16,16 17,17 18,18 19,19
#> "10,10" "11,11" "12,12" "13,13" "14,14" "15,15" "16,16" "17,17" "18,18" "19,19"
#> 20,20 21,21 22,22 23,23 24,24 25,25 26,26 27,27
#> "20,20" "21,21" "22,22" "23,23" "24,24" "25,25" "26,26" "27,27"