Additional File 5.

Genes identified as most informative after classification of skin disease phenotypes. Gini Index (GI) was used as variable importance measure and was estimated for each gene per group from random forest classification, so as to prioritise genes in terms of their ability to discriminate distinct molecular patterns. After training of the random forest classifier, GI is derived for each gene across all trees and the ranking of genes with GI > = 0.02 is shown here for each skin group.

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Ainali et al. BMC Genomics 2012 13:472   doi:10.1186/1471-2164-13-472