This function finds pairs of columns in a data frame that are mutually exclusive, i.e., that never have positive values at the same time.
ec_util_dummy_mutualeclusive(data_in, filtered = TRUE)A data frame containing the data.
A logical value indicating whether to return only the mutually exclusive pairs (TRUE) or all pairs (FALSE). Default is TRUE.
A tibble containing all pairs of mutually exclusive columns in the data frame.
minidata=structure(list(id = c("1", "1", "1", "1", "2", "2", "2", "2"),
task = c(1L, 1L, 2L, 2L, 3L, 3L, 4L, 4L),
alt = c(1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L),
brand1 = c(1, 0, 1, 0, 1, 0, 1, 0),
brand2 = c(0, 1, 0, 1, 0, 1, 0, 1),
price = c(1, 2, 1, 2, 1, 2, 1, 2),
x = c(1, 0, 0, 1, 1, 0, 1, 0)),
class = c("tbl_df", "tbl", "data.frame"), row.names = c(NA, -8L))
ec_util_dummy_mutualeclusive(minidata)
#> # A tibble: 3 × 3
#> V1 V2 mut_ex
#> <chr> <chr> <lgl>
#> 1 brand1 brand2 TRUE
#> 2 brand1 price FALSE
#> 3 brand2 price FALSE