Brief. Bioinformatics - Letter to the editor: Stability of Random Forest importance measures.

Tópicos

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{ group(2977) signific(1463) compar(1072) }
{ gene(2352) biolog(1181) express(1162) }
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Resumo

The goal of this article (letter to the editor) is to emphasize the value of exploring ranking stability when using the importance measures, mean decrease accuracy (MDA) and mean decrease Gini (MDG), provided by Random Forest. We illustrate with a real and a simulated example that ranks based on the MDA are unstable to small perturbations of the dataset and ranks based on the MDG provide more robust results.

Resumo Limpo

goal articl letter editor emphas valu explor rank stabil use import measur mean decreas accuraci mda mean decreas gini mdg provid random forest illustr real simul exampl rank base mda unstabl small perturb dataset rank base mdg provid robust result

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