org.apache.ignite.ml.preprocessing.encoding

Class EncoderPreprocessor<K,V>

java.lang.Object

org.apache.ignite.ml.preprocessing.encoding.EncoderPreprocessor<K,V>

Type Parameters:

K - Type of a key in upstream data.

V - Type of a value in upstream data.

All Implemented Interfaces:

Serializable, BiFunction<K,V,LabeledVector>, IgniteBiFunction<K,V,LabeledVector>, Preprocessor<K,V>

Direct Known Subclasses:

OneHotEncoderPreprocessor, StringEncoderPreprocessor

Deprecated.

The ignite-ml module is deprecated and will be removed in a future release. Use the ignite-ml-ext Apache Ignite extension or the standalone GridGain ML package instead.

@Deprecated
public abstract class EncoderPreprocessor<K,V>
extends Object
implements Preprocessor<K,V>

Preprocessing function that makes encoding. This a base abstract class that keeps the common fields for all child encoding preprocessors.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Preprocessor<K,V>	basePreprocessor Deprecated. Base preprocessor.
protected Map<String,Integer>[]	encodingValues Deprecated. Filling values.
protected Set<Integer>	handledIndices Deprecated. Feature indices to apply encoder.
static String	KEY_FOR_NULL_VALUES Deprecated.

Constructor Summary

Constructors

Constructor and Description
EncoderPreprocessor(Map<String,Integer>[] encodingValues, Preprocessor<K,V> basePreprocessor, Set<Integer> handledIndices) Deprecated. Constructs a new instance of String Encoder preprocessor.

Method Summary

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.ml.preprocessing.Preprocessor

map

Methods inherited from interface org.apache.ignite.ml.math.functions.IgniteBiFunction

andThen

Methods inherited from interface java.util.function.BiFunction

andThen, apply

Field Detail

KEY_FOR_NULL_VALUES

public static final String KEY_FOR_NULL_VALUES

Deprecated.

See Also:

Constant Field Values

encodingValues

protected final Map<String,Integer>[] encodingValues

Deprecated.

Filling values.

basePreprocessor

protected final Preprocessor<K,V> basePreprocessor

Deprecated.

Base preprocessor.

handledIndices

protected final Set<Integer> handledIndices

Deprecated.

Feature indices to apply encoder.

Constructor Detail

EncoderPreprocessor

public EncoderPreprocessor(Map<String,Integer>[] encodingValues,
                           Preprocessor<K,V> basePreprocessor,
                           Set<Integer> handledIndices)

Deprecated.

Constructs a new instance of String Encoder preprocessor.

Parameters:

basePreprocessor - Base preprocessor.

handledIndices - Handled indices.