GradualDrift#

class capymoa.stream.drift.GradualDrift[source]#

Bases: Drift

__init__(
position=None,
width=None,
start=None,
end=None,
alpha=0.0,
random_seed=1,
)[source]#

Construct a drift in a DriftStream.

Parameters:

  • position – The location of the drift in terms of the number of instances processed prior to it occurring.

  • width – The size of the window of change. A width of 0 or 1 corresponds to an abrupt drift.

  • alpha – The grade of change, defaults to 0.0.

  • random_seed – Seed for random number generation, defaults to 1.