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Fig. 3 | BMC Medical Research Methodology

Fig. 3

From: Impact of correlation of predictors on discrimination of risk models in development and external populations

Fig. 3

Relationships 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 correlation

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