giniquintile {cmna}

Gini coefficients

Description

Calculate the Gini coefficient from quintile data

Usage

giniquintile(L)

Arguments

L

vector of percentages at 20th, 40th, 60th, and 80th percentiles

Details

Calculate the Gini coefficient given the quintile data.

Value

the estimated Gini coefficient

References

Leon Gerber, "A Quintile Rule for the Gini Coefficient", Mathematics Magazine, 80:2, April 2007.

See Also

Other integration: adaptint(), gaussint(), mcint(), midpt(), revolution-solid, romberg(), simp38(), simp(), trap()

Other newton-cotes: adaptint(), midpt(), romberg(), simp38(), simp(), trap()

Examples

L <- c(4.3, 9.8, 15.4, 22.7)
giniquintile(L)