Gini coefficients

Calculate the Gini coefficient from quintile data

giniquintile(L)

Arguments

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

Value

the estimated Gini coefficient

Details

Calculate the Gini coefficient given the quintile data.

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)
#> [1] 0.4223958