hiperfrac: Hyperfractionalization Index

In politicsR: Calculating Political System Metrics

Hyperfractionalization Index

Description

'hiperfrac' calculates the hyperfractionalization index proposed by Kesselman (1966) and Wildgen (1971), which is useful for party system with many small parties.

Usage

hiperfrac(x)

Arguments

x	(numeric). A number vector in the form of a proportion of votes or seats. The vector should range from 0 to 1.

Details

This index places more weights to small parties compared to the Effective Number of Political Parties Index ('enp')

Value

A continued value, the larger the higher the fragmentation of the system

References

Kesselman, M. (1966). French Local Politics: A Statistical Examination of Grass Roots Consensus. American Political Science Review, 60(4), 963-973. doi:10.2307/1953769

Wildgen, J. K. (1971). The Measurement of Hyperfractionalization. Comparative Political Studies, 4(2), 233–243. https://doi.org/10.1177/001041407100400205

Examples

hiperfrac(c(0.1, 0.1, 0.05, 0.05, 0.01, 0.04, 0.65))

politicsR documentation built on March 31, 2023, 10:10 p.m.