Variable Importance

What is the unit for Mean Decrease Accuracy in randomForest R package? Does a value of 10 represent a 10% decrease in accuracy? Also, a similar question for the Mean Decrease Gini, for a binary response, a valid range of Gini Index is between 0 and 0.50. Does a value of 5 represent a Gini Index of 0.05? Thanks


Link to Full Article: Variable Importance

Pin It on Pinterest

Share This