Test which values are/are not unique in a vector

is_unique(x)

is_not_inique(x)

Arguments

x	A vector

Value

Vector of logical values indicating TRUE for values which are unique.

Examples


is_unique(1:10)
#>  [1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE

is_unique(c(1, 1, 1))
#> [1] FALSE FALSE FALSE

x <- c(1, 2, 3, 4, 3, 3, 1)
rez <- is_unique(x)
rez
#> [1] FALSE  TRUE FALSE  TRUE FALSE FALSE FALSE

data.frame(x = x, is_unique = rez)
#>   x is_unique
#> 1 1     FALSE
#> 2 2      TRUE
#> 3 3     FALSE
#> 4 4      TRUE
#> 5 3     FALSE
#> 6 3     FALSE
#> 7 1     FALSE