calc_nep: calc_nep

In josefortou/fortour: Utility Functions for Data, Mostly Political Science

Description

Calculates the effective number of parties (ENP, seats or votes), according to two different formulae.

Usage

calc_nep(prop_votes, index = "lt")

Arguments

prop_votes	A vector of party vote proportions.
index	Formula for the index. Can be either "lt" for Laakso-Taagepera (1979) or "g" for Golosov (2010).

Value

A vector of length 1 with the ENP index.

Examples

data(camara)
camara %>%
    group_by(congress) %>%
    summarize(nep_lt = calc_nep(prop_votes),
              nep_g = calc_nep(prop_votes, index = "g"))

josefortou/fortour documentation built on Aug. 6, 2020, 8:13 p.m.