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Fig. 5 | EJNMMI Research

Fig. 5

From: Voxel-based identification of local recurrence sub-regions from pre-treatment PET/CT for locally advanced head and neck cancers

Fig. 5

Mean Decreasing Gini Index (MDGI) of features used to train the random forest (RF). The most important variables in the RF have the higher MDGI value, here, the cluster shade, the distance to vmax, the spatial position (x,y), Haralick Correlation. etc. The red box indicates the features kept to train the RF after the recursive suppression of the less important features

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