Re: [Scikit-learn-general] Variable Importance Definition

2015-08-06 Thread Efrem Braun
Sebastian, That does indeed help. I now understand that the calculated importance is indeed the average Gini importance. Thank you very much! Efrem Braun Hi, Efrem, I agree, this can maybe cause confusion. However, to me, 1) > expected fraction of samples they contribute to, (though it is not

Re: [Scikit-learn-general] Variable Importance Definition

2015-08-05 Thread Sebastian Raschka
Hi, Efrem, I agree, this can maybe cause confusion. However, to me, 1) > expected fraction of samples they contribute to, (though it is not explicitly > stated how this expectation value is calculated 2) > Per my understanding of the source code, the importance within each tree is > just