Fig. 1From: External validation: a simulation study to compare cross-validation versus holdout or external testing to assess the performance of clinical prediction models using PET data from DLBCL patientsAUCs of 25 repeats of external simulated datasets with different sizes in blue with the simulated true expected AUC in black A an simulated external dataset of 100 patients, B simulated external dataset of 200 patients and C simulated external dataset of 500 patientsBack to article page