Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Library: stats
See also: plotlorenz

Quantlet: lorenz
Description: calculates the measures of concentration of Gini and Herfindahl

Reference(s):

Usage: lorenz(y)
Input:
y (must be positive) n x 1 vector of original data or n x 2 matrix of classified data: first column = class means second column = frequencies.
Output:
Gini number in [0,1], Gini coefficient
Herfindahl number in [0,1], Herfindahl measure of concentration

Note:

Example:

library("stats")

x = normal(200)

x = abs(x)

lorenz(x)

y = 1:5 ~ #(2,6,8,5,2)

lorenz(y)

Result:

returns Gini and Herfindahl coefficients


Library: stats
See also: plotlorenz

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Author: Albrecht Kaufmann, 990725; Knut Bartels, 990921
(C) MD*TECH Method and Data Technologies, 21.9.2000