All Determine Duplicate Elements

Source: R/e_SPECIAL_functions_ALL.R

e_duplicated_all() determines which elements of a vector or data frame are duplicates, and returns a logical vector indicating which elements (rows) are duplicates.

e_duplicated_all(dat)

Arguments

dat

list or data.frame

Value

logical for all duplicated values

Examples

duplicated      (c(1, 2, 2, 3, 4, 5, 2))
#> [1] FALSE FALSE  TRUE FALSE FALSE FALSE  TRUE
e_duplicated_all(c(1, 2, 2, 3, 4, 5, 2))
#> [1] FALSE  TRUE  TRUE FALSE FALSE FALSE  TRUE

dat <- data.frame(a = c(1,2,1,2,1,2), b = c(3,3,4,4,3,4))
dat
#>   a b
#> 1 1 3
#> 2 2 3
#> 3 1 4
#> 4 2 4
#> 5 1 3
#> 6 2 4
dat[e_duplicated_all(dat), ]
#>   a b
#> 1 1 3
#> 4 2 4
#> 5 1 3
#> 6 2 4