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Fig. 3 | BMC Medical Research Methodology

Fig. 3

From: Common sampling and modeling approaches to analyzing readmission risk that ignore clustering produce misleading results

Fig. 3

Correlation measures of models tested in validation samples of adult patients with diabetes. The x-axis shows the size of the initial cohort from which training and validation samples were drawn. Boston, Massachusetts, 2004–2012. GEE = generalized estimating equations. CWGEE = cluster-weighted generalized estimating equations

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