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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: Arthritis Rheumatol. 2019 Sep 2;71(10):1701–1710. doi: 10.1002/art.40898

Figure 1: Overall Study Schematic.

Figure 1:

Gene expression data from three independent studies (A) were merged into a single dataset used to train a variety of machine learning classifiers (B). A final model was selected (C) and externally validated on other published gene expression data (D) and used to further characterize the intrinsic subsets (E).