Cox_Shugart {Relectoral}

Cox_Shugart disproportionality index - 1991 ( CS )

Description

Cox_Shugart's (1991) disproportionality index measures the disproportion in the distribution of seats by means of a regression line between the percentage of seats and the percentage of votes. If the distribution were approximately proportional, the slope of the regression line would be one. If it moves away from that value there will be disproportionality in the distribution of seats.

Usage

Cox_Shugart(votes, seats)

Arguments

votes

It is a vector of integers, containing the votes of all the candidates.

seats

It is a vector of integers, containing the seats obtained by each of the candidates.

Value

Returns the value obtained for the index

Examples

Cox_Shugart(c(3947,3189,1971,466,345,82),c(184,99,44,10,0,0))