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Impact of correlation of predictors on discrimination of risk models in development and external populations
BACKGROUND: The area under the ROC curve (AUC) of risk models is known to be influenced by differences in case-mix and effect size of predictors. The impact of heterogeneity in correlation among predictors has however been under investigated. We sought to evaluate how correlation among predictors af...
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| Udgivet i: | BMC Med Res Methodol |
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| Main Authors: | , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
BioMed Central
2017
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5395845/ https://ncbi.nlm.nih.gov/pubmed/28420342 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-017-0345-1 |
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