org.apache.ignite.ml.dataset.feature.extractor

## Class ExtractionUtils

- java.lang.Object
- - org.apache.ignite.ml.dataset.feature.extractor.ExtractionUtils

-     public class ExtractionUtils
      extends Object

  Class aggregates helper classes and shortcut-classes with default types and behaviour for Vectorizers.

- - ### Nested Class Summary

    Nested Classes
    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.

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ExtractionUtils()`

  - ### Method Summary

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ExtractionUtils

          public ExtractionUtils()

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Ignite Database and Caching Platform | : ver. 2.9.1
Release Date | : December 9 2020