GallagherModInv: Inverted Modified Gallagher index
In polrep: Calculate Political Representation Scores
View source: R/GallagherModInv.R
GallagherModInv R Documentation
Inverted Modified Gallagher index
Description
Calculates a modified Gallagher index (inverted).
Usage
GallagherModInv(Z,R)
Arguments
Z
Population vector
R
Vector for the representatives
Details
The representation score is calculated as: 1 - sqrt(sum((Z.mod-R.mod)^2)/2), where Z.mod is Z/sum(Zi^2)^.5, and R.mod is R/sum(Ri^2)^.5
Value
Representation score
Author(s)
Didier Ruedin
References
Koppel, M. and Diskin, A. (2009) Measuring disproportionality, volatility and malapportionment: axiomatization and solutions. Social Choice and Welfare 33(2):281-6.
See Also
GallagherInv, GallagherMod
polrep documentation built on Jan. 5, 2024, 3:01 a.m.
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View source: R/GallagherModInv.R
| GallagherModInv | R Documentation |
Inverted Modified Gallagher index
Description
Calculates a modified Gallagher index (inverted).
Usage
GallagherModInv(Z,R)Arguments
Z |
Population vector |
R |
Vector for the representatives |
Details
The representation score is calculated as: 1 - sqrt(sum((Z.mod-R.mod)^2)/2), where Z.mod is Z/sum(Zi^2)^.5, and R.mod is R/sum(Ri^2)^.5
Value
Representation score
Author(s)
Didier Ruedin
References
Koppel, M. and Diskin, A. (2009) Measuring disproportionality, volatility and malapportionment: axiomatization and solutions. Social Choice and Welfare 33(2):281-6.
See Also
GallagherInv, GallagherMod
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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