xgboost
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The AFT loss function. More...
#include <survival_util.h>
Static Public Member Functions | |
static XGBOOST_DEVICE double | Loss (double y_lower, double y_upper, double y_pred, double sigma) |
static XGBOOST_DEVICE double | Gradient (double y_lower, double y_upper, double y_pred, double sigma) |
static XGBOOST_DEVICE double | Hessian (double y_lower, double y_upper, double y_pred, double sigma) |
The AFT loss function.
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inlinestatic |
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inlinestatic |
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inlinestatic |