Tuner Tuner

class dffml.tuner.tuner.Tuner(config: Optional[Type[BaseConfig]])

Abstract base class which should be derived from and implemented using various tuners.

CONFIG

alias of TunerConfig

CONTEXT

alias of TunerContext

class dffml.tuner.tuner.TunerConfig

no_enforce_immutable()

By default, all properties of a config object are immutable. If you would like to mutate immutable properties, you must explicitly call this method using it as a context manager.

Examples

>>> from dffml import config
>>>
>>> @config
... class MyConfig:
...     C: int
>>>
>>> config = MyConfig(C=2)
>>> with config.no_enforce_immutable():
...     config.C = 1

class dffml.tuner.tuner.TunerContext(parent: Tuner)

abstract async optimize(model: ModelContext, feature: Feature, accuracy_scorer: AccuracyContext, train_data: SourcesContext, test_data: SourcesContext) → float

Abstract method to optimize hyperparameters

Parameters:

• model (ModelContext) – The Model which needs to be used.

• feature (Feature) – The Target feature in the data.

• accuracy_scorer (AccuracyContext) – The accuracy scorer that needs to be used.

• train_data (SourcesContext) – The train_data to train models on, with the hyperparameters provided.

• sources (SourcesContext) – The test_data to score against and optimize hyperparameters.

Returns:

The highest score value(optimized score)

Return type:

float