Multivariable prognostic models: issues in developing models, evaluating assumptions and adequacy, and measuring and reducing errors.

  title={Multivariable prognostic models: issues in developing models, evaluating assumptions and adequacy, and measuring and reducing errors.},
  author={F. Harrell and K. Lee and D. Mark},
  journal={Statistics in medicine},
  volume={15 4},
  • F. Harrell, K. Lee, D. Mark
  • Published 1996
  • Medicine
  • Statistics in medicine
  • Multivariable regression models are powerful tools that are used frequently in studies of clinical outcomes. These models can use a mixture of categorical and continuous variables and can handle partially observed (censored) responses. However, uncritical application of modelling techniques can result in models that poorly fit the dataset at hand, or, even more likely, inaccurately predict outcomes on new subjects. One must know how to measure qualities of a model's fit in order to avoid poorly… CONTINUE READING
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