How do you interpret Gini mean decrease?

Related questions

1. What is a feature in a dataset?
2. What is Gini importance?
3. What is feature importance in decision tree?
4. What decrease means?

Tags

1. #forest
2. #individual
3. #random
4. #impurity
5. #decrease
6. #average
7. #decision
8. #weighted
9. #proportion
10. #samples
11. #total
12. #variable
13. #reaching