LijphartInv: Calculates an inverted Lijphart index of proportionality

Description Usage Arguments Details Value Author(s) References See Also

View source: R/LijphartInv.R

Description

Calculates an inverted Lijphart index of proportionality based on a population vector and a vector for the representatives

Usage

1

Arguments

Z

Population vector

R

Vector for the representatives

Details

The order of the groups in he population vector and the vector for the representatives needs to be the same. If there are groups A, B, C in the population, both vectors need to cover their proportion in the same order.

The inverted Lijphart index gives 1 minus the largest of the absolute differences between the proportion of the population and representatives in each group.

Value

A single score given the population and representatives

Author(s)

Didier Ruedin

References

Taagepera, R., and B. Grofman. Mapping the indices of seats-votes disproportionality and inter-election volatility. Party Politics 9, no. 6 (2003): 659-77.

See Also

Grofman, Rose



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