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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 patients

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作者：
Jakoba J. Eertink
Martijn W. Heymans
Gerben J. C. Zwezerijnen
Josée M. Zijlstra
Henrica C. W. de Vet
Ronald Boellaard
机构：
[1] Amsterdam UMC Location Vrije Universiteit Amsterdam,Department of Hematology
[2] Cancer Center Amsterdam,Imaging and Biomarkers
[3] Amsterdam UMC Location Vrije Universiteit Amsterdam,Epidemiology and Data Science
[4] Amsterdam Public Health Research Institute,Methodology
[5] Amsterdam UMC Location Vrije Universiteit Amsterdam,Radiology and Nuclear Medicine
来源：
EJNMMI Research | / 12卷
关键词：
Internal validation; External validation; Model performance; CV-AUC;
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