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Gini

The Gini index in the big data age

Gini Coefficient by Country 2024. Credit: https://worldpopulationreview.com/country-rankings/gini-coefficient-by-country. Inequality among people has become an increasingly salient issue globally, with data indicating a rise in inequality levels across many countries in recent years. This, in turn, has generated concerns both from the perspective of the sustainability of economic growth, as well as from the perspective of…

Entropy and Gini Index

Understanding how these measures help us quantify uncertainty in a datasetContinue reading on Towards Data Science » Understanding how these measures help us quantify uncertainty in a datasetContinue reading on Towards Data Science » FOLLOW US ON GOOGLE NEWS Read original article here Denial of responsibility! Techno Blender is an automatic aggregator of the all world’s media. In each content, the hyperlink to the primary source is specified. All trademarks belong to their rightful owners, all materials to…

Decision Trees Explained — Entropy, Information Gain, Gini Index, CCP Pruning | by Shailey Dash | Nov, 2022

Though Decision Trees look simple and intuitive, there is nothing very simple about how the algorithm goes about the process deciding on splits and how tree pruning occurs. In this post I take you through a simple example to understand the inner workings of Decision Trees.Iris Decision Tree from Scikit Learn ( Image source: sklearn)Decision Trees are a popular and surprisingly effective technique, particularly for classification problems. But, the seemingly intuitive interface hides complexities. The criterion for…