GTD2: Two-partiness D2

GTD2R Documentation

Two-partiness D2

Description

Calculates the measure of two-partiness D2

Usage

GTD2(x)

Arguments

x

Population vector

Details

This function calculates two-partiness (two-partyness) D2, as introduced by Gaines and Taagepera. The argument is a vector with the seat shares of the parties. See GTT for the other measure introduced by Gaines and Taaepera.

Value

Two-partiness D2

Author(s)

Didier Ruedin

References

Gaines, Brian J., and Rein Taagepera. 2013. How to Operationalize Two-Partyness. Journal of Elections, Public Opinion & Parties. doi:10.1080/17457289.2013.770398.

See Also

GTT, neff


polrep documentation built on Jan. 5, 2024, 3:01 a.m.