Fig. 3From: Impact of correlation of predictors on discrimination of risk models in development and external populationsRelationships between AUC and fixed correlation coefficients in cases, while varying correlations of controls. Legend: a μ Case : (1, 2), μ Control : (0, 0), σ Case : (2, 2), σ Control : (2, 2). b μ Case : (1, 3), μ Control : (0, 0), σ Case : (2, 2), σ Control : (2, 2). c μ Case : (1, 2), μ Control : (0, 0), σ Case : (2, 3), σ Control : (2, 3). d μ Case : (1, 2), μ Control : (0, 0), σ Case : (2, 1), σ Control : (2, 1). ρ: Pearson correlationBack to article page