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Ranks of the importance according to the contribution of each variable in different algorithms (RF, GBM, GLM, FDA and MARS) and the final ensemble model. The length of the vertical bars indicate the difference in the rank of importance for the same variable in the above algorithms. The lower rank values indicated higher importance. RF, random forest; GBM, general boosted model; GLM, general linear model; FDA, flexible discriminant analysis; MARS, multiple adaptive regression spline.
