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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Lancet Respir Med. 2014 Nov 24;3(1):42–52. doi: 10.1016/S2213-2600(14)70239-5

Figure 1. Receiver-Operating Characteristics curves.

Figure 1

Super Learner 1: Super Learner with categorized variables; Super Learner 2: Super Learner with non-transformed variables. These results were obtained using 10-fold cross-validation. We also implemented 50-fold cross-validation and found no material change in the estimated performance of the SICULA algorithm (cvAUC for the SICULA: 0.91 [0.90–0.92]).