单词 | Gini coefficient |
释义 | Gini coefficient A statistical measure of inequality. If yi is the income of individual i, for example, the Gini coefficient is half the expected absolute difference in the incomes of any two individuals i and j chosen at random, as a proportion of the mean income. In a Lorenz curve, the Gini coefficient is the ratio of the area between the diagonal and the Lorenz curve to the total area under the diagonal. |
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