node for feature importance

[Syedmizan_Siddi]

Does KNIME has a node to find feature importance in Random Forest?

[rfeigel]

Take a look at this.

Understand Your ML Model: Global Feature Importance | KNIME

[mlauber71]

@Syedmizan_Siddi the Random Forest Learner – KNIME Community Hub node does give you the importance of features

Feature importance formula from Random Forest Learner

@Cole_Kingsbury you can create your own formula how to handle these splits and candidates. One example is here: Metanode “knime_ranfor” (also variable importance) [image] The Metanode “export_rank_of_variables” [image] [image] Here are some suggestions how to handle the formula: These formulas are not rocket science, just a way to aggregate the number of splits used. You could just use the very first split as an indicator or you could add them up or you can weight them so a frist spl…

[HansS]

You can check out the InformationGain Calculator node.

Information Gain Calculator — NodePit

gr. Hans