Gorard: A function to compute Gorard's segregation index

Description Usage Arguments Value References See Also Examples

Description

Gorard's index is an alternative to ISDuncan's index, which measures the dissimilarity between the spatial distribution of a group and the total population.

Usage

1
Gorard(x)

Arguments

x

- an object of class matrix (or which can be coerced to that class), where each column represents the distribution of a population group, within spatial units. The number of columns should be greater than 1 (at least 2 population groups are required). You should not include a column with total totals because this will be interpreted as a population group

Value

a numeric vector containing the Gorard's segregation index value for each population group

References

Gorard S. (2000) Education and Social Justice. Cardiff, University of Wales Press

See Also

One-group evenness indices: ISDuncan, Gini, Atkinson, HTheil, 'ISWong, ISMorrill

Between groups dissimilarity indices: DIDuncan, Gini2, DIMorrill, DIWong

Examples

1
2
x <- segdata@data[ ,1:2]
Gorard(x)


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