CUSUMConfig

CUSUMConfig#

class frouros.detectors.concept_drift.streaming.change_detection.CUSUMConfig(delta: float = 0.005, lambda_: float = 50.0, min_num_instances: int = 30)#

CUSUM [page1954continuous] configuration.

Parameters:

  • delta (float) – delta value, defaults to 0.005

  • lambda (float) – delta value, defaults to 50.0

  • min_num_instances (int) – minimum numbers of instances to start looking for changes, defaults to 30

References:

[page1954continuous]

Page, Ewan S. “Continuous inspection schemes.” Biometrika 41.1/2 (1954): 100-115.

property delta: float#

Delta property.

Returns:

delta to use

Return type:

float

property lambda_: float#

Threshold property.

Returns:

lambda to use

Return type:

float

property min_num_instances: int#

Minimum number of instances property.

Returns:

minimum number of instances to start looking for changes

Return type:

int

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