Transformer

Id

API reference Source

MultivariateInverse transformMissing values Unequal-length series

Identity transformer, returns data unchanged in transform/inverse_transform.

Quickstart

python

from sktime.transformations.compose import Id

estimator = Id

Tags

Capabilities

Multivariate
Inverse transform: Supported
Missing values
Unequal-length series
Removes missing values: Not supported
Equalizes series length: Not supported

Properties

Input typescitype:transform-input: Series
Output typescitype:transform-output: Series
Label typescitype:transform-labels: None
Fit is emptyfit_is_empty: Yes
Keeps the time indextransform-returns-same-time-index: Yes
Requires Xrequires_X: Yes
Requires yrequires_y: No
X and y need the same indexX-y-must-have-same-index: No

Examples

>>> import pandas as pd
>>> from sktime.transformations.compose import Id
>>> X = pd. Series ([1, 2, 3 ])
>>> transformer = Id ()
>>> Xt = transformer. fit_transform (X)
>>> Xt. equals (X) True
>>> X_inv = transformer. inverse_transform (Xt)
>>> X_inv. equals (X) True