Add a variable id at first column in dataset
Arguments
- data
A dataset
- name
Name of new variable (as string)
- overwrite
Can new id variable overwrite an existing variable in dataset?
Examples
library(magrittr)
iris %>% add_var_id() %>% head()
#> id Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 1 1 5.1 3.5 1.4 0.2 setosa
#> 2 2 4.9 3.0 1.4 0.2 setosa
#> 3 3 4.7 3.2 1.3 0.2 setosa
#> 4 4 4.6 3.1 1.5 0.2 setosa
#> 5 5 5.0 3.6 1.4 0.2 setosa
#> 6 6 5.4 3.9 1.7 0.4 setosa
iris %>% add_var_id(name = "iris_nr") %>% head()
#> iris_nr Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 1 1 5.1 3.5 1.4 0.2 setosa
#> 2 2 4.9 3.0 1.4 0.2 setosa
#> 3 3 4.7 3.2 1.3 0.2 setosa
#> 4 4 4.6 3.1 1.5 0.2 setosa
#> 5 5 5.0 3.6 1.4 0.2 setosa
#> 6 6 5.4 3.9 1.7 0.4 setosa