unique_id.RdCheck if parsed variable is a unique identifier. This function was adapted from: Source: https://edwinth.github.io/blog/unique_id/
unique_id(x, ...)vector or dataframe.
optional variables, e.g. name of column or a vector of names.
Boolean whether variable is a unique identifier.
unique_id(iris, Species)
#> Species
#> 1 setosa
#> 2 versicolor
#> 3 virginica
#> [1] FALSE
mtcars$name <- rownames(mtcars)
unique_id(mtcars, name)
#> name
#> Mazda RX4 Mazda RX4
#> Mazda RX4 Wag Mazda RX4 Wag
#> Datsun 710 Datsun 710
#> Hornet 4 Drive Hornet 4 Drive
#> Hornet Sportabout Hornet Sportabout
#> Valiant Valiant
#> Duster 360 Duster 360
#> Merc 240D Merc 240D
#> Merc 230 Merc 230
#> Merc 280 Merc 280
#> Merc 280C Merc 280C
#> Merc 450SE Merc 450SE
#> Merc 450SL Merc 450SL
#> Merc 450SLC Merc 450SLC
#> Cadillac Fleetwood Cadillac Fleetwood
#> Lincoln Continental Lincoln Continental
#> Chrysler Imperial Chrysler Imperial
#> Fiat 128 Fiat 128
#> Honda Civic Honda Civic
#> Toyota Corolla Toyota Corolla
#> Toyota Corona Toyota Corona
#> Dodge Challenger Dodge Challenger
#> AMC Javelin AMC Javelin
#> Camaro Z28 Camaro Z28
#> Pontiac Firebird Pontiac Firebird
#> Fiat X1-9 Fiat X1-9
#> Porsche 914-2 Porsche 914-2
#> Lotus Europa Lotus Europa
#> Ford Pantera L Ford Pantera L
#> Ferrari Dino Ferrari Dino
#> Maserati Bora Maserati Bora
#> Volvo 142E Volvo 142E
#> [1] TRUE