Usage
unique_rows(data, cols = NULL, from_last = FALSE, invert = FALSE)
Arguments
- data
A data.frame
- cols
Columns to compare against; when NULL selects all columns
- from_last
When TRUE returns the last row containing duplicates,
rather than the first
- invert
If TRUE returns the duplicated rows
Value
data will duplicates removes
Examples
df <- quick_dfl(
i = 1:4,
a = rep(1:2, 2L),
b = rep("a", 4L),
)
unique_rows(df, 2:3)
#> i a b
#> 1 1 1 a
#> 2 2 2 a
unique_rows(df, c("a", "b"), from_last = TRUE, invert = TRUE)
#> i a b
#> 1 1 1 a
#> 2 2 2 a