Replace x values with corresponding values using a key
look_up(x, table, index = "var", column = 2)A string vector to be matched.
Lookup table
Character string of the key/index column used for matching
Column index (integer) or name (string) to return from the lookup table. Default is the second column.
library(magrittr)
library(dplyr)
#>
#> Attaching package: 'dplyr'
#> The following objects are masked from 'package:stats':
#>
#> filter, lag
#> The following objects are masked from 'package:base':
#>
#> intersect, setdiff, setequal, union
iris %>% .$Petal.Width %>%
look_up(tibble(var=0.2,return="zero-point-two"))
#> [1] "zero-point-two" "zero-point-two" "zero-point-two" "zero-point-two"
#> [5] "zero-point-two" "0.4" "0.3" "zero-point-two"
#> [9] "zero-point-two" "0.1" "zero-point-two" "zero-point-two"
#> [13] "0.1" "0.1" "zero-point-two" "0.4"
#> [17] "0.4" "0.3" "0.3" "0.3"
#> [21] "zero-point-two" "0.4" "zero-point-two" "0.5"
#> [25] "zero-point-two" "zero-point-two" "0.4" "zero-point-two"
#> [29] "zero-point-two" "zero-point-two" "zero-point-two" "0.4"
#> [33] "0.1" "zero-point-two" "zero-point-two" "zero-point-two"
#> [37] "zero-point-two" "0.1" "zero-point-two" "zero-point-two"
#> [41] "0.3" "0.3" "zero-point-two" "0.6"
#> [45] "0.4" "0.3" "zero-point-two" "zero-point-two"
#> [49] "zero-point-two" "zero-point-two" "1.4" "1.5"
#> [53] "1.5" "1.3" "1.5" "1.3"
#> [57] "1.6" "1" "1.3" "1.4"
#> [61] "1" "1.5" "1" "1.4"
#> [65] "1.3" "1.4" "1.5" "1"
#> [69] "1.5" "1.1" "1.8" "1.3"
#> [73] "1.5" "1.2" "1.3" "1.4"
#> [77] "1.4" "1.7" "1.5" "1"
#> [81] "1.1" "1" "1.2" "1.6"
#> [85] "1.5" "1.6" "1.5" "1.3"
#> [89] "1.3" "1.3" "1.2" "1.4"
#> [93] "1.2" "1" "1.3" "1.2"
#> [97] "1.3" "1.3" "1.1" "1.3"
#> [101] "2.5" "1.9" "2.1" "1.8"
#> [105] "2.2" "2.1" "1.7" "1.8"
#> [109] "1.8" "2.5" "2" "1.9"
#> [113] "2.1" "2" "2.4" "2.3"
#> [117] "1.8" "2.2" "2.3" "1.5"
#> [121] "2.3" "2" "2" "1.8"
#> [125] "2.1" "1.8" "1.8" "1.8"
#> [129] "2.1" "1.6" "1.9" "2"
#> [133] "2.2" "1.5" "1.4" "2.3"
#> [137] "2.4" "1.8" "1.8" "2.1"
#> [141] "2.4" "2.3" "1.9" "2.3"
#> [145] "2.5" "2.3" "1.9" "2"
#> [149] "2.3" "1.8"