part_decl: Calculate Declination
In redistmetrics: Redistricting Metrics

part_decl

R Documentation

Calculate Declination

Description

Calculate Declination

Usage

part_decl(plans, shp, dvote, rvote, normalize = TRUE, adjust = TRUE)

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.
`dvote`	Unqouted name of column in `shp` with total population.
`rvote`	Unqouted name of column in `shp` with group population.
`normalize`	Default is TRUE Translate score to an angle?
`adjust`	Default is TRUE. Applies a correction to increase cross-size comparison.

Value

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

References

Gregory S. Warrington. 2018. "Quantifying Gerrymandering Using the Vote Distribution." Election Law Journal: Rules, Politics, and Policy. Pp. 39-57.http://doi.org/10.1089/elj.2017.0447

Examples

data(nh)
data(nh_m)
# For a single plan:
part_decl(plans = nh$r_2020, shp = nh, rvote = nrv, dvote = ndv)

# Or many plans:
part_decl(plans = nh_m[, 3:5], shp = nh, rvote = nrv, dvote = ndv)

redistmetrics documentation built on May 29, 2024, 8:02 a.m.