Cox-Shugart measure of proportionality

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Description

Calculate the Cox-Shugart measure of proportionality

Usage

1
CoxShugart(Z,R)

Arguments

Z

Population vector

R

Vector for the representatives

Details

This function calculates the Cox-Shugart measure of proportionality. It provides the slope of the regression line. For perfect representation, a score of 1 is calculated, for values smaller than 1, smaller groups in population are numerically over-represented. The Cox-Shugart measure of proportionality indicates the direction of mis-representation. It is also known as the regression index.

Value

A single score given the population and representatives

Author(s)

Didier Ruedin

See Also

CoxShugartInv

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