chore: import upstream snapshot with attribution

2026-07-13 13:17:40 +08:00
commit f1825c8ceb
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+.. _preprocessor-ref:
+
+Preprocessor
+============
+
+Preprocessor Interface
+------------------------
+
+.. currentmodule:: ray.data
+
+Constructor
+~~~~~~~~~~~
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessor.Preprocessor
+
+Fit/Transform APIs
+~~~~~~~~~~~~~~~~~~
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessor.Preprocessor.fit
+    ~preprocessor.Preprocessor.fit_transform
+    ~preprocessor.Preprocessor.transform
+    ~preprocessor.Preprocessor.transform_batch
+    ~preprocessor.PreprocessorNotFittedException
+
+
+Generic Preprocessors
+---------------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.Concatenator
+    ~preprocessors.SimpleImputer
+    ~preprocessors.Chain
+
+Categorical Encoders
+--------------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.Categorizer
+    ~preprocessors.LabelEncoder
+    ~preprocessors.MultiHotEncoder
+    ~preprocessors.OneHotEncoder
+    ~preprocessors.OrdinalEncoder
+
+Feature Scalers
+---------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.MaxAbsScaler
+    ~preprocessors.MinMaxScaler
+    ~preprocessors.Normalizer
+    ~preprocessors.PowerTransformer
+    ~preprocessors.RobustScaler
+    ~preprocessors.StandardScaler
+
+K-Bins Discretizers
+-------------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.CustomKBinsDiscretizer
+    ~preprocessors.UniformKBinsDiscretizer
+
+Feature Hashers and Vectorizers
+-------------------------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.FeatureHasher
+    ~preprocessors.CountVectorizer
+    ~preprocessors.HashingVectorizer
+
+Specialized Preprocessors
+-------------------------
+
+.. autosummary::
+    :nosignatures:
+    :toctree: doc/
+
+    ~preprocessors.TorchVisionPreprocessor