Computes concordance index (c-index) and Brier scores at the specified landmark times and prediction horizons.
Usage
performance_metrics(
x,
landmarks,
horizons,
c_index = TRUE,
brier = TRUE,
auc_t = FALSE,
train = TRUE
)Arguments
- x
An object of class
LandmarkAnalysis.- landmarks
A numeric vector of landmark times.
- horizons
Vector of prediction horizons up to when the survival submodel is fitted.
- c_index
A logical. If TRUE (default), C index is reported.
- brier
A logical. If TRUE (default), Brier score is reported.
- auc_t
A logical. If TRUE, AUC_t is reported.
- train
A logical. If TRUE (default), performance metrics are computed in the training set. If FALSE, they are computed in the test set.