org.apache.spark.ml.feature

Class Normalizer

Object

org.apache.spark.ml.PipelineStage

org.apache.spark.ml.Transformer

org.apache.spark.ml.UnaryTransformer<Vector,Vector,Normalizer>

org.apache.spark.ml.feature.Normalizer

All Implemented Interfaces:

java.io.Serializable, Logging, Params, HasInputCol, HasOutputCol, DefaultParamsWritable, Identifiable, MLWritable

public class Normalizer
extends UnaryTransformer<Vector,Vector,Normalizer>
implements DefaultParamsWritable

Normalize a vector to have unit norm using the given p-norm.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Normalizer()
Normalizer(String uid)

Method Summary

Modifier and Type	Method and Description
double	getP()
static Normalizer	load(String path)
DoubleParam	p() Normalization in L^p^ space.
static MLReader<T>	read()
Normalizer	setP(double value)
String	uid() An immutable unique ID for the object and its derivatives.

Methods inherited from class org.apache.spark.ml.UnaryTransformer

copy, inputCol, outputCol, setInputCol, setOutputCol, transform, transformSchema

Methods inherited from class org.apache.spark.ml.Transformer

transform, transform, transform

Methods inherited from class org.apache.spark.ml.PipelineStage

params

Methods inherited from class Object

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

Methods inherited from interface org.apache.spark.ml.util.DefaultParamsWritable

write

Methods inherited from interface org.apache.spark.ml.util.MLWritable

save

Methods inherited from interface org.apache.spark.ml.param.shared.HasInputCol

getInputCol

Methods inherited from interface org.apache.spark.ml.param.shared.HasOutputCol

getOutputCol

Methods inherited from interface org.apache.spark.ml.param.Params

clear, copyValues, defaultCopy, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, shouldOwn

Methods inherited from interface org.apache.spark.ml.util.Identifiable

toString

Methods inherited from interface org.apache.spark.internal.Logging

initializeLogging, initializeLogIfNecessary, initializeLogIfNecessary, isTraceEnabled, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning

Constructor Detail

Normalizer

public Normalizer(String uid)

Normalizer

public Normalizer()

Method Detail

load

public static Normalizer load(String path)

read

public static MLReader<T> read()

uid

public String uid()

Description copied from interface: Identifiable

An immutable unique ID for the object and its derivatives.

Specified by:

uid in interface Identifiable

Returns:

(undocumented)

p

public DoubleParam p()

Normalization in L^p^ space. Must be greater than equal to 1. (default: p = 2)

Returns:

(undocumented)

getP

public double getP()

setP

public Normalizer setP(double value)