lenskit.basic.bias.BiasConfig

class lenskit.basic.bias.BiasConfig(/, **data)

Bases: pydantic.BaseModel

Configuration for BiasScorer.

Parameters:

data (Any)

entities: Annotated[set[Literal['user', 'item']], PlainSerializer(lambda s: sorted(s), return_type=list[str])]

The entities to compute biases for, in addition to global bais. Defaults to users and items.

damping: pydantic.NonNegativeFloat | dict[Literal['user', 'item'], pydantic.NonNegativeFloat] = 0.0

entity_damping(entity)

Look up the damping for a particular entity type.

Parameters:

entity (Literal['user', 'item'])

Return type:

float