Loss

class lightautoml.tasks.losses.base.Loss[source]

Loss function with target transformation.

property fw_func

Forward transformation for target values and item weights.

property bw_func

Backward transformation for predicted values.

metric_wrapper(metric_func, greater_is_better, metric_params=None)[source]

Customize metric.

Parameters

metric_func (Callable) – Callable metric.
greater_is_better (Optional[bool]) – Whether or not higher value is better.
metric_params (Optional[Dict]) – Additional metric parameters.

Return type

Callable

Returns

Callable metric.

set_callback_metric(metric, greater_is_better=None, metric_params=None, task_name=None)[source]

Callback metric setter.

Parameters

metric (Union[str, Callable]) – Callback metric
greater_is_better (Optional[bool]) – Whether or not higher value is better.
metric_params (Optional[Dict]) – Additional metric parameters.
task_name (Optional[Dict]) – Name of task.

Note

Value of task_name should be one of following options: