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@hare singh nayak • 08 Sep, 2012
The Gini coefficient measures the inequality among values of a frequency distribution (for example levels of income). A Gini coefficient of zero expresses perfect equality where all values are the same (for example, where everyone has an exactly equal income). A Gini coefficient of one (100 on the percentile scale) expresses maximal inequality among values (for example where only one person has all the income)


this answer in from Wikipedia can any one explain me in simple way .
what is the use of it in data mining.
@Ankita Katdare • 09 Sep, 2012
hare singh nayak
The Gini coefficient measures the inequality among values of a frequency distribution (for example levels of income). A Gini coefficient of zero expresses perfect equality where all values are the same (for example, where everyone has an exactly equal income). A Gini coefficient of one (100 on the percentile scale) expresses maximal inequality among values (for example where only one person has all the income)


this answer in from Wikipedia can any one explain me in simple way .
what is the use of it in data mining.
I hope some CEans will help you in simplifying the terminologies.
Here is an excerpt from some book -
https://books.google.co.in/books?id=...v=onepage&q=gini index in data mining&f=false
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