Calculate the Integrated Calibration Index from Austin and Steyerberg https://onlinelibrary.wiley.com/doi/full/10.1002/sim.8281 — ici • PatientLevelPrediction

Calculate the Integrated Calibration Index from Austin and Steyerberg https://onlinelibrary.wiley.com/doi/full/10.1002/sim.8281

Usage

ici(prediction)

Arguments

prediction: the prediction object found in the plpResult object

Value

Integrated Calibration Index value or NULL if the calculation fails

Details

Calculate the Integrated Calibration Index

Examples

prediction <- data.frame(rowId = 1:100, 
                        outcomeCount = stats::rbinom(1:100, 1, prob=0.5),
                        value = runif(100), 
                        evaluation = rep("Train", 100))
ici(prediction)
#> [1] 0.3042046