CBLoss
- class lightautoml.tasks.losses.cb.CBLoss(loss, loss_params=None, fw_func=None, bw_func=None)[source]
Bases:
Loss
Loss used for CatBoost.
- Parameters:
loss (
Union
[str
,Callable
]) – String with one of default losses.loss_params (
Optional
[Dict
]) – additional loss parameters. Format like inlightautoml.tasks.custom_metrics
.fw_func (
Optional
[Callable
]) – Forward transformation. Used for transformation of target and item weights.bw_func (
Optional
[Callable
]) – Backward transformation. Used for predict values transformation.