variable importance intance in random forest

abhisek · August 21, 2019, 7:14pm

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

ScottF · August 21, 2019, 8:35pm

(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.

abhisek · August 22, 2019, 3:18am

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

ScottF · August 22, 2019, 5:35pm

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.

system · February 21, 2020, 5:39am

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