Gini average difference
From Encyclopedia of Mathematics
A magnitude characterizing the dispersion of the values of a random variable 
. It was introduced by C. Gini in 1912 and is defined by the formula
 |
where 
is the distribution function of the random variable. Another variable which is also occasionally considered is the Gini dispersion coefficient
 |
where 
is the mathematical expectation of the random variable 
.
References
| [1] | M.G. Kendall, A. Stuart, "The advanced theory of statistics. Distribution theory" , 3. Design and analysis , Griffin (1969) |
How to Cite This Entry:
Gini average difference. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Gini_average_difference&oldid=13742
Gini average difference. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Gini_average_difference&oldid=13742
This article was adapted from an original article by K.P. Latyshev (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article