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Turns duplicate rows into NAs

Usage

remove_duplicates(x, keepLast = FALSE)

Arguments

x

Character vector

keepLast

Logical indicating whether the last incidence should be kept instead of the first (which is the default).

Value

A character string/vector

Examples

    x <- c(rep("a", 5), rep("c", 2), rep("y", 7))
    remove_duplicates(x)
#>  [1] "a" NA  NA  NA  NA  "c" NA  "y" NA  NA  NA  NA  NA  NA