splits_count: Count the Number of Splits in Each Administrative Unit

In redistmetrics: Redistricting Metrics

Count the Number of Splits in Each Administrative Unit

Description

Tallies the number of unique administrative unit-districts. An unsplit administrative unit will return an entry of 1, while each additional administrative unit-district adds 1.

Usage

splits_count(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

numeric matrix

Examples

data(nh)
data(nh_m)
# For a single plan:
splits_count(plans = nh$r_2020, shp = nh, admin = county)

# Or many plans:
splits_count(plans = nh_m[, 3:5], shp = nh, admin = county)

redistmetrics documentation built on June 8, 2025, 1:26 p.m.