What is Gini Index in decision tree

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What is the Gini Index in Decision tree algo and how is it used?
May 14 in Machine Learning by Mohit
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Gini Index is a metric to measure how often a randomly chosen element would be incorrectly identified. It means an attribute with lower gini index should be preferred.

Have a look at this blog for a detailed explanation with example.

answered May 14 by Raj

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