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Transformer

DetectorAsTransformer

Use an anomaly, changepoint detector, segmentation estimator as a transformer.

This adapter is used in coercions, when passing an detector to a transformer slot.

The transformation is series-to-primitives, transforming a time series into its cluster assignment.

The adapter dispatches BaseTransformer.transform to BaseDetector.transform.

Schnellstart

python
from sktime.detection.compose import DetectorAsTransformer

estimator = DetectorAsTransformer(estimator)

Tags

Fähigkeiten

Eigenschaften

Eingabetypscitype:transform-input
Series
Ausgabetypscitype:transform-output
Series
Label-Typscitype:transform-labels
None
Fit ist leerfit_is_empty
Nein
Behält den Zeitindextransform-returns-same-time-index
Ja
Benötigt Xrequires_X
Ja
Benötigt yrequires_y
Nein
X und y brauchen denselben IndexX-y-must-have-same-index
Nein

Parameter(1)

estimatorsktime detector, i.e., estimator inheriting from BaseDetector

this is a “blueprint” clusterer, state does not change when fit is called

Beispiele

>>> from sktime.detection.compose import DetectorAsTransformer
>>> from sktime.detection.dummy import DummyRegularAnomalies
>>> from sktime.utils._testing.hierarchical import _make_hierarchical
>>> X = _make_hierarchical ()
>>> detector = DummyRegularAnomalies. create_test_instance ()
>>> t = DetectorAsTransformer (detector)
>>> t. fit (X) DetectorAsTransformer(
... )
>>> Xt = t. transform (X)