Figure 2From: A comparison of random forest and its Gini importance with standard chemometric methods for the feature selection and classification of spectral dataImportance measures on NMR candida data. in the range from 0.35 to 4 ppm (indicated in the upper figure) for all 1500 spectral channels (indicated in the lower figure). Top: p-values of a t-test (black) and Wilcoxon test (gray). Below: Gini importance of a random forest with 3000 trees (gray) and 6000 trees (black). Compare t ranked measures in Fig. 3.Back to article page