get_all_combinations: Convert a table of dummy variables to a table of its unique...
In EBukin/lassopmm: Create synthetic panels from cross sectional data

Convert a table of dummy variables to a table of its unique combinations

1 2	get_all_combinations(.data, new_var, clean_name = TRUE, clean_expr = "_.{1,}$", connector = "_")

`.data`	data frame with only dummy variable to be converted
`new_var`	name of the new categorical variable to create for representing all combinations of the previous dummy variables.
`clean_name, clean_expr, connector`	technical inputs used for modifying resulting variables names.

library(dplyr)
library(tibble)
tibble(
       a = sample(c(0L, 1L), 25, replace = TRUE),
       b = sample(c(0L, 1L), 25, replace = TRUE)
       ) %>%
  get_all_combinations(c)