Variable importance

machine_learning

#1

Hi,

How does Randomforest identify important variable’s what is the formula triggered in deciding the important variables?

Regards
Tony


#2

Hello

Below is the script which will help you to identify important variable

h2o.performance(rforest.model)

#check variable importance
h2o.varimp(rforest.model)


#3

Hi

My question was how does Random forest calculate the variable importance? what is the formula used in populating the important variables?

Regards,
Tony