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Atkinson: Calculate the Atkinson Index

Description

The Atkinson index is an inequality measure and is useful in determining which end of the distribution contributed most to the observed inequality.

Usage

Atkinson(x, n = rep(1, length(x)), parameter = 0.5, na.rm = FALSE)

Arguments

x
a vector containing at least non-negative elements.
n
a vector of frequencies, must be same length as x.
parameter
parameter of the inequality measure (if set to NULL the default parameter of the respective measure is used).
na.rm
logical. Should missing values be removed? Defaults to FALSE.

Value

the value of the Akinson Index.

References

Cowell, F. A. (2000) Measurement of Inequality in Atkinson, A. B. / Bourguignon, F. (Eds): Handbook of Income Distribution. Amsterdam.

Cowell, F. A. (1995) Measuring Inequality Harvester Wheatshef: Prentice Hall.

Marshall, Olkin (1979) Inequalities: Theory of Majorization and Its Applications. New York: Academic Press.

See Also

See Herfindahl, Rosenbluth for concentration measures and ineq() in the package ineq for additional inequality measures

Examples

Run this code
# generate vector (of incomes)
x <- c(541, 1463, 2445, 3438, 4437, 5401, 6392, 8304, 11904, 22261)

# compute Atkinson coefficient with parameter=0.5
Atkinson(x, parameter=0.5)

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