variable importance intance in random forest

how to calculate variable importance for random forest in knime… thanks

Hi @abhisek -

(I moved this to the main Analytics Platform forum for better visibility.)

Have you tried the H2O Random Forest Learner node? It produces feature importance directly at an output port. Here’s an example workflow from the Hub in case you haven’t used the H2O nodes before.

Thanks scottF…I will try this…can u guide me for sensitivity analysis for parameters …how to do that… thanks again

Hi @abhisek -

Check out this example workflow about a couple of methods of parameter optimization using our dedicated looping nodes.

You might also find this video helpful.

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