A new calibration test and a reappraisal of the calibration belt for the assessment of prediction models based on dichotomous outcomes.

@article{Nattino2014ANC,
  title={A new calibration test and a reappraisal of the calibration belt for the assessment of prediction models based on dichotomous outcomes.},
  author={Giovanni Nattino and Stefano Finazzi and Guido Bertolini},
  journal={Statistics in medicine},
  year={2014},
  volume={33 14},
  pages={2390-407}
}
Calibration is one of the main properties that must be accomplished by any predictive model. Overcoming the limitations of many approaches developed so far, a study has recently proposed the calibration belt as a graphical tool to identify ranges of probability where a model based on dichotomous outcomes miscalibrates. In this new approach, the relation between the logits of the probability predicted by a model and of the event rates observed in a sample is represented by a polynomial function… CONTINUE READING

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