Detect the presence or absence of each variable across a collection of datasets.
Value
A data frame with a vars_union column listing all variables,
and one column per dataset indicating "ok" (present) or "-" (absent).
Rows are sorted to highlight presence/absence patterns.
Examples
data_list <- list(cars = cars, mtcars = mtcars)
vars_detect(data_list)
#> # A tibble: 13 × 3
#> vars_union cars mtcars
#> <chr> <chr> <chr>
#> 1 speed ok -
#> 2 dist ok -
#> 3 mpg - ok
#> 4 cyl - ok
#> 5 disp - ok
#> 6 hp - ok
#> 7 drat - ok
#> 8 wt - ok
#> 9 qsec - ok
#> 10 vs - ok
#> 11 am - ok
#> 12 gear - ok
#> 13 carb - ok