Articles → MACHINE LEARNING → Gini Index In Machine Learning
Gini Index In Machine Learning
Purpose
Example Dataset
ID | Outlook | Temperature | Humidity | Windy | Play Tennis |
---|
1 | Sunny | Hot | High | False | No |
2 | Sunny | Hot | High | True | No |
3 | Overcast | Hot | High | False | Yes |
4 | Rain | Mild | High | False | Yes |
5 | Rain | Cool | Normal | False | Yes |
6 | Rain | Cool | Normal | True | No |
7 | Overcast | Cool | Normal | True | Yes |
8 | Sunny | Mild | High | False | No |
Purpose Of Calculating The Parent Gini Index
Formula
Parameter | Description |
---|
D | The dataset of the node. |
C | The number of distinct values in the dependent variable. |
Pi | The number of instances (rows) of a particular class value in the target (dependent) variable. |
How To Calculate Parent Gini Index?
Weighted Gini (Humidity)
Posted By - | Karan Gupta |
|
Posted On - | Tuesday, June 17, 2025 |