Duplicate rows — duplicate • quitte

Duplicate rows in a data frame, modifying a specified column.

Usage

duplicate(data, ...)

duplicate_(data, column)

Arguments

data: A data frame or quitte object.
..., column: A key-value pair of the column to modify.

Value

A data frame or quitte object, same as input.

Examples

require(dplyr)
(data <- tibble(region   = rep(c('AFR', 'CHN'), 2),
                    variable = paste('Var', c(1, 1, 2, 2)),
                    value    = 1:4))
#> # A tibble: 4 × 3
#>   region variable value
#>   <chr>  <chr>    <int>
#> 1 AFR    Var 1        1
#> 2 CHN    Var 1        2
#> 3 AFR    Var 2        3
#> 4 CHN    Var 2        4

data %>% duplicate(region = 'World')
#> # A tibble: 8 × 3
#>   region variable value
#>   <chr>  <chr>    <int>
#> 1 AFR    Var 1        1
#> 2 CHN    Var 1        2
#> 3 AFR    Var 2        3
#> 4 CHN    Var 2        4
#> 5 World  Var 1        1
#> 6 World  Var 1        2
#> 7 World  Var 2        3
#> 8 World  Var 2        4