Compute Number of Administrative Units Split More than Once

Compute Number of Administrative Units Split More than Once

splits_multi(plans, shp, admin)

Arguments

plans

A redist_plans object or plans_matrix where each row indicates a district assignment and each column is a plan.

shp

A redist_map object, tibble, or data frame containing other columns.

admin

Unqouted name of column in shp with numeric identifiers for administrative units.

Value

A numeric vector. Can be shaped into a district-by-plan matrix.

Examples

data(nh)
data(nh_m)
# For a single plan:
splits_multi(plans = nh$r_2020, shp = nh, admin = county)
#> [1] 0 0

# Or many plans:
splits_multi(plans = nh_m[, 3:5], shp = nh, admin = county)
#> [1] 0 0 0 0 0 0