Calculate Simplified Declination
part_decl_simple(plans, shp, dvote, rvote)A redist_plans object or plans_matrix where each row indicates a district assignment and each column is a plan.
A redist_map object, tibble, or data frame containing other columns.
Unqouted name of column in shp with total population.
Unqouted name of column in shp with group population.
A numeric vector. Can be shaped into a district-by-plan matrix.
Jonathan N. Katz, Gary King, and Elizabeth Rosenblatt. 2020. Theoretical Foundations and Empirical Evaluations of Partisan Fairness in District-Based Democracies. American Political Science Review, 114, 1, Pp. 164-178.
data(nh)
data(nh_m)
# For a single plan:
part_decl_simple(plans = nh$r_2020, shp = nh, rvote = nrv, dvote = ndv)
#> [1] -0.04681234 -0.04681234
# Or many plans:
part_decl_simple(plans = nh_m[, 3:5], shp = nh, rvote = nrv, dvote = ndv)
#> [1] -0.05236858 -0.05236858 -0.04488043 -0.04488043 -0.05106257 -0.05106257