## Uses of Interface
org.apache.ignite.ml.math.functions.IgniteBiFunction

- Packages that use IgniteBiFunction
  Package | Description
  --- | ---
  org.apache.ignite.ml.composition | Contains classes for ensemble of models implementation.
  org.apache.ignite.ml.composition.combinators.sequential | Contains sequential combinators of trainers and models.
  org.apache.ignite.ml.dataset | Base package for machine learning dataset classes.
  org.apache.ignite.ml.dataset.feature.extractor | Package for upstream object vectorizations.
  org.apache.ignite.ml.dataset.feature.extractor.impl | Package contains default implementations of `Vectorizer`.
  org.apache.ignite.ml.dataset.impl.cache | Base package for cache based implementation of machine learning dataset.
  org.apache.ignite.ml.dataset.impl.local | Base package for local implementation of machine learning dataset.
  org.apache.ignite.ml.dataset.primitive | Package that contains basic primitives build on top of `Dataset`.
  org.apache.ignite.ml.math.functions | Contains serializable functions for distributed code algebra.
  org.apache.ignite.ml.math.primitives.matrix | Contains matrix related classes.
  org.apache.ignite.ml.math.primitives.vector | Contains vector related classes.
  org.apache.ignite.ml.math.primitives.vector.impl | Contains several vector implementations.
  org.apache.ignite.ml.math.util | Some math utils.
  org.apache.ignite.ml.preprocessing | Base package for machine learning preprocessing classes.
  org.apache.ignite.ml.preprocessing.binarization | Contains binarization preprocessor.
  org.apache.ignite.ml.preprocessing.developer | Contains Developer API preprocessors.
  org.apache.ignite.ml.preprocessing.encoding | Contains encoding preprocessors.
  org.apache.ignite.ml.preprocessing.encoding.frequency | Contains frequency encoding preprocessor.
  org.apache.ignite.ml.preprocessing.encoding.label | Contains label encoding preprocessor.
  org.apache.ignite.ml.preprocessing.encoding.onehotencoder | Contains one hot encoding preprocessor.
  org.apache.ignite.ml.preprocessing.encoding.stringencoder | Contains string encoding preprocessor.
  org.apache.ignite.ml.preprocessing.encoding.target | Contains frequency encoding preprocessor.
  org.apache.ignite.ml.preprocessing.finalization | Contains vector finalization preprocessor.
  org.apache.ignite.ml.preprocessing.imputing | Contains Imputer preprocessor.
  org.apache.ignite.ml.preprocessing.maxabsscaling | Contains Max Abs Scaler preprocessor.
  org.apache.ignite.ml.preprocessing.minmaxscaling | Contains Min Max Scaler preprocessor.
  org.apache.ignite.ml.preprocessing.normalization | Contains Normalizer preprocessor.
  org.apache.ignite.ml.preprocessing.standardscaling | Contains Standard scaler preprocessor.
  org.apache.ignite.ml.trainers | Contains model trainers.

- - ### Uses of IgniteBiFunction in org.apache.ignite.ml.composition

    Methods in org.apache.ignite.ml.composition that return IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `static <K,V,L> IgniteBiFunction<K,V,Vector>` | CompositionUtils.`asFeatureExtractor(FeatureLabelExtractor<K,V,L> extractor)` Create feature extractor from given mapping `(key, value) -> LabeledVector`.
    `static <K,V,L> IgniteBiFunction<K,V,L>` | CompositionUtils.`asLabelExtractor(FeatureLabelExtractor<K,V,L> extractor)` Label extractor feature extractor from given mapping `(key, value) -> LabeledVector`.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.composition.combinators.sequential

    Fields in org.apache.ignite.ml.composition.combinators.sequential declared as IgniteBiFunction
    Modifier and Type | Field and Description
    --- | ---
    `protected IgniteBiFunction<Integer,? super IgniteModel<I,O1>,IgniteFunction<LabeledVector<L>,LabeledVector<L>>>` | TrainersSequentialComposition.`datasetMapping` Dataset mapping.

    Methods in org.apache.ignite.ml.composition.combinators.sequential with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `static <I,O,L> TrainersSequentialComposition<I,O,O,L>` | TrainersSequentialComposition.`ofSame(DatasetTrainer<? extends IgniteModel<I,O>,L> tr, IgniteBiFunction<Integer,? super IgniteModel<I,O>,IgniteFunction<LabeledVector<L>,LabeledVector<L>>> datasetMapping, IgniteBiPredicate<Integer,IgniteModel<I,O>> shouldStop, IgniteFunction<O,I> out2In)` Construct sequential composition of same trainers.

    Constructors in org.apache.ignite.ml.composition.combinators.sequential with parameters of type IgniteBiFunction
    Constructor and Description
    `TrainersSequentialComposition(DatasetTrainer<? extends IgniteModel<I,O1>,L> tr1, DatasetTrainer<? extends IgniteModel<O1,O2>,L> tr2, IgniteBiFunction<Integer,? super IgniteModel<I,O1>,IgniteFunction<LabeledVector<L>,LabeledVector<L>>> datasetMapping)` Create sequential composition of two trainers.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset

    Methods in org.apache.ignite.ml.dataset with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `default <D2 extends AutoCloseable> PartitionDataBuilder<K,V,C,D2>` | PartitionDataBuilder.`andThen(IgniteBiFunction<D,C,D2> fun)` Makes a composed partition `data` builder that first builds a `data` and then applies the specified function on the result.
    `default <R> R` | Dataset.`compute(IgniteBiFunction<D,LearningEnvironment,R> map, IgniteBinaryOperator<R> reduce)` Applies the specified `map` function to every partition `data` and `LearningEnvironment` in the dataset and then reduces `map` results to final result by using the `reduce` function.
    `<R> R` | Dataset.`compute(IgniteBiFunction<D,LearningEnvironment,R> map, IgniteBinaryOperator<R> reduce, R identity)` Applies the specified `map` function to every partition `data` and `LearningEnvironment` in the dataset and then reduces `map` results to final result by using the `reduce` function.
    `default <R> R` | Dataset.`computeWithCtx(IgniteBiFunction<C,D,R> map, IgniteBinaryOperator<R> reduce)` Applies the specified `map` function to every partition `data` and `context` in the dataset and then reduces `map` results to final result by using the `reduce` function.
    `default <R> R` | Dataset.`computeWithCtx(IgniteBiFunction<C,D,R> map, IgniteBinaryOperator<R> reduce, R identity)` Applies the specified `map` function to every partition `data` and `context` in the dataset and then reduces `map` results to final result by using the `reduce` function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset.feature.extractor

    Classes in org.apache.ignite.ml.dataset.feature.extractor that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `ExtractionUtils.ArrayLikeObjectLabelVectorizer<K,V>` Vectorizer extracting vectors from array-like structure with finite size and integer coordinates.
    `static class` | `ExtractionUtils.ArrayLikeVectorizer<K,V>` Vectorizer extracting vectors from array-like structure with finite size and integer coordinates.
    `static class` | `ExtractionUtils.DefaultLabelVectorizer<K,V,C extends Serializable>` Vectorizer with double-label containing on same level as feature values.
    `static class` | `ExtractionUtils.IntCoordObjectLabelVectorizer<K,V>` Vectorizer with integer coordinates.
    `static class` | `ExtractionUtils.IntCoordVectorizer<K,V>` Vectorizer with integer coordinates.
    `static class` | `ExtractionUtils.ObjectLabelVectorizer<K,V,C extends Serializable>` Vectorizer with String-label containing on same level as feature values.
    `static class` | `ExtractionUtils.StringCoordVectorizer<K,V>` Vectorizer with String-coordinates.
    `class` | `Vectorizer<K,V,C extends Serializable,L>` Class for extracting labeled vectors from upstream.
    `static class` | `Vectorizer.VectorizerAdapter<K,V,C extends Serializable,L>` Utility class for convenient overridings.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset.feature.extractor.impl

    Classes in org.apache.ignite.ml.dataset.feature.extractor.impl that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BinaryObjectVectorizer<K>` Vectorizer on binary objects.
    `class` | `DoubleArrayVectorizer<K>` Vectorizer on arrays of doubles.
    `class` | `DummyVectorizer<K>` Vectorizer on Vector.
    `class` | `LabeledDummyVectorizer<K,L>` Vectorizer on LabeledVector.
    `class` | `ObjectArrayVectorizer<K>` Vectorizer on arrays of objects.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset.impl.cache

    Methods in org.apache.ignite.ml.dataset.impl.cache with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<R> R` | CacheBasedDataset.`compute(IgniteBiFunction<D,LearningEnvironment,R> map, IgniteBinaryOperator<R> reduce, R identity)` Applies the specified `map` function to every partition `data` and `LearningEnvironment` in the dataset and then reduces `map` results to final result by using the `reduce` function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset.impl.local

    Methods in org.apache.ignite.ml.dataset.impl.local with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<R> R` | LocalDataset.`compute(IgniteBiFunction<D,LearningEnvironment,R> map, IgniteBinaryOperator<R> reduce, R identity)` Applies the specified `map` function to every partition `data` and `LearningEnvironment` in the dataset and then reduces `map` results to final result by using the `reduce` function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.dataset.primitive

    Methods in org.apache.ignite.ml.dataset.primitive with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<R> R` | DatasetWrapper.`compute(IgniteBiFunction<D,LearningEnvironment,R> map, IgniteBinaryOperator<R> reduce, R identity)` Applies the specified `map` function to every partition `data` and `LearningEnvironment` in the dataset and then reduces `map` results to final result by using the `reduce` function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.math.functions

    Subinterfaces of IgniteBiFunction in org.apache.ignite.ml.math.functions
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `IntIntToDoubleFunction` Getters functions for matrices.

    Fields in org.apache.ignite.ml.math.functions declared as IgniteBiFunction
    Modifier and Type | Field and Description
    --- | ---
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`COMPARE` Function that returns {@code a < b ?
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`LG` Function that returns `Math.log(a) / Math.log(b)`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MAX_ABS` Function that returns `max(abs(a), abs(b))`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MIN` Function that returns `min(a, b)`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MIN_ABS` Function that returns `min(abs(a), abs(b))`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MINUS` Function that returns `a - b`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MINUS_ABS` Function that returns `abs(a - b)`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MINUS_SQUARED` Function that returns `(a - b) * (a - b)`
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MOD` Function that returns `a % b`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`MULT` Function that returns `a * b`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`PLUS` Function that returns `a + b`.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`PLUS_ABS` Function that returns `Math.abs(a) + Math.abs(b)`.

    Methods in org.apache.ignite.ml.math.functions that return IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `default <V> IgniteBiFunction<T,U,V>` | IgniteBiFunction.`andThen(IgniteFunction<? super R,? extends V> after)`
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`minusMult(double constant)` Function that returns `a - b*constant`.
    `static <A,B,C> IgniteBiFunction<A,B,IgniteSupplier<C>>` | Functions.`outputSupplier(IgniteBiFunction<A,B,C> f)` Transform function of form (a, b) -> c into (a, b) - () -> c.
    `static IgniteBiFunction<Double,Double,Double>` | Functions.`plusMult(double constant)` Function that returns `a + b*constant`.

    Methods in org.apache.ignite.ml.math.functions with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `static <A,B,C> IgniteCurriedBiFunction<A,B,C>` | Functions.`curry(IgniteBiFunction<A,B,C> f)` Transform bi-function of the form (a, b) -> c into a function of form a -> (b -> c).
    `static <A,B,C> IgniteBiFunction<A,B,IgniteSupplier<C>>` | Functions.`outputSupplier(IgniteBiFunction<A,B,C> f)` Transform function of form (a, b) -> c into (a, b) - () -> c.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.math.primitives.matrix

    Methods in org.apache.ignite.ml.math.primitives.matrix with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<T> T` | Matrix.`foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)` Folds this matrix into a single value.
    `<T> T` | AbstractMatrix.`foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)` Folds this matrix into a single value.
    `Matrix` | Matrix.`map(Matrix mtx, IgniteBiFunction<Double,Double,Double> fun)` Maps all values in this matrix through a given function.
    `Matrix` | AbstractMatrix.`map(Matrix mtx, IgniteBiFunction<Double,Double,Double> fun)` Maps all values in this matrix through a given function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.math.primitives.vector

    Methods in org.apache.ignite.ml.math.primitives.vector with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<T> T` | Vector.`foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)` Folds this vector into a single value.
    `<T> T` | AbstractVector.`foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)` Folds this vector into a single value.
    `<T> T` | Vector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `<T> T` | Vector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `<T> T` | AbstractVector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `<T> T` | AbstractVector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `Vector` | Vector.`map(IgniteBiFunction<Double,Double,Double> fun, double y)` Maps all elements of this vector by applying given function to each element with a constant second parameter `y`.
    `Vector` | AbstractVector.`map(IgniteBiFunction<Double,Double,Double> fun, double y)` Maps all elements of this vector by applying given function to each element with a constant second parameter `y`.
    `Vector` | Vector.`map(Vector vec, IgniteBiFunction<Double,Double,Double> fun)` Maps all values in this vector through a given function.
    `Vector` | AbstractVector.`map(Vector vec, IgniteBiFunction<Double,Double,Double> fun)` Maps all values in this vector through a given function.
    `static Vector` | VectorUtils.`zipWith(Vector v1, Vector v2, IgniteBiFunction<Double,Double,Double> f)` Zip two vectors with given binary function (i.e. apply binary function to both vector elementwise and construct vector from results).

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.math.primitives.vector.impl

    Methods in org.apache.ignite.ml.math.primitives.vector.impl with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `<T> T` | DelegatingVector.`foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)` Folds this vector into a single value.
    `<T> T` | DelegatingVector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `<T> T` | DelegatingVector.`foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)` Combines & maps two vector and folds them into a single value.
    `Vector` | DelegatingVector.`map(IgniteBiFunction<Double,Double,Double> fun, double y)` Maps all elements of this vector by applying given function to each element with a constant second parameter `y`.
    `Vector` | DelegatingVector.`map(Vector vec, IgniteBiFunction<Double,Double,Double> fun)` Maps all values in this vector through a given function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.math.util

    Methods in org.apache.ignite.ml.math.util with parameters of type IgniteBiFunction
    Modifier and Type | Method and Description
    --- | ---
    `static Vector` | MatrixUtil.`zipFoldByColumns(Matrix mtx1, Matrix mtx2, IgniteBiFunction<Vector,Vector,Double> fun)` Zips two matrices by column-by-column with specified function.
    `static Vector` | MatrixUtil.`zipFoldByRows(Matrix mtx1, Matrix mtx2, IgniteBiFunction<Vector,Vector,Double> fun)` Zips two matrices by row-by-row with specified function.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing

    Subinterfaces of IgniteBiFunction in org.apache.ignite.ml.preprocessing
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `Preprocessor<K,V>` Basic interface in Preprocessor Hierarchy.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.binarization

    Classes in org.apache.ignite.ml.preprocessing.binarization that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BinarizationPreprocessor<K,V>` Preprocessing function that makes binarization.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.developer

    Classes in org.apache.ignite.ml.preprocessing.developer that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `MappedPreprocessor<K,V,L0,L1>` Mapped Preprocessor.
    `class` | `PatchedPreprocessor<K,V,L1,L2>` Preprocessing function that makes binarization.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding

    Classes in org.apache.ignite.ml.preprocessing.encoding that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `EncoderPreprocessor<K,V>` Preprocessing function that makes encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding.frequency

    Classes in org.apache.ignite.ml.preprocessing.encoding.frequency that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FrequencyEncoderPreprocessor<K,V>` Preprocessing function that makes Frequency encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding.label

    Classes in org.apache.ignite.ml.preprocessing.encoding.label that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LabelEncoderPreprocessor<K,V>` Preprocessing function that makes Label encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding.onehotencoder

    Classes in org.apache.ignite.ml.preprocessing.encoding.onehotencoder that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OneHotEncoderPreprocessor<K,V>` Preprocessing function that makes one-hot encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding.stringencoder

    Classes in org.apache.ignite.ml.preprocessing.encoding.stringencoder that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `StringEncoderPreprocessor<K,V>` Preprocessing function that makes String encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.encoding.target

    Classes in org.apache.ignite.ml.preprocessing.encoding.target that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TargetEncoderPreprocessor<K,V>` Preprocessing function that makes Target encoding.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.finalization

    Classes in org.apache.ignite.ml.preprocessing.finalization that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `VectorFinalizationPreprocessor<K,V>` Preprocessing function that makes vector finalization.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.imputing

    Classes in org.apache.ignite.ml.preprocessing.imputing that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ImputerPreprocessor<K,V>` Preprocessing function that makes imputing.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.maxabsscaling

    Classes in org.apache.ignite.ml.preprocessing.maxabsscaling that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `MaxAbsScalerPreprocessor<K,V>` The preprocessing function that makes maxabsscaling, transforms features to the scale `[-1,+1]`.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.minmaxscaling

    Classes in org.apache.ignite.ml.preprocessing.minmaxscaling that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `MinMaxScalerPreprocessor<K,V>` Preprocessing function that makes minmaxscaling.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.normalization

    Classes in org.apache.ignite.ml.preprocessing.normalization that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `NormalizationPreprocessor<K,V>` Preprocessing function that makes normalization.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.preprocessing.standardscaling

    Classes in org.apache.ignite.ml.preprocessing.standardscaling that implement IgniteBiFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `StandardScalerPreprocessor<K,V>` The preprocessing function that makes standard scaling, transforms features to make `mean` equal to `0` and `variance` equal to `1`.

  - ### Uses of IgniteBiFunction in org.apache.ignite.ml.trainers

    Subinterfaces of IgniteBiFunction in org.apache.ignite.ml.trainers
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `FeatureLabelExtractor<K,V,L>` Class fro extracting features and vectors from upstream.

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