dup.data.frame {wrangle}

Show records with duplicate or duplicated values of grouping variables.

Description

Shows records with duplicate or duplicated values of grouping variables.

Usage

## S3 method for class 'data.frame'
dup(x, ...)

Arguments

x

data.frame

...

optional grouping columns (named arguments are ignored)

Value

data.frame

See Also

Other dup: dup()

Examples

library(dplyr)
dupGroups(mtcars)
dupGroups(group_by(mtcars, mpg))
dup(group_by(mtcars, mpg))