org.apache.flink.ml.classification.naivebayes

类 NaiveBayesModelData

java.lang.Object

org.apache.flink.ml.classification.naivebayes.NaiveBayesModelData

public class NaiveBayesModelData
extends Object

Model data of NaiveBayesModel.

This class also provides methods to convert model data from Table to Datastream, and classes to save/load model data.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	NaiveBayesModelData.ModelDataDecoder Data decoder for the NaiveBayesModelData.
static class	NaiveBayesModelData.ModelDataEncoder Data encoder for the NaiveBayesModelData.

字段概要

字段

限定符和类型	字段和说明
org.apache.flink.ml.linalg.DenseVector	labels Value of labels.
org.apache.flink.ml.linalg.DenseVector	piArray Log of class priors, whose dimension is C (number of classes).
Map<Double,Double>[][]	theta Log of class conditional probabilities, whose dimension is C (number of classes) by D (number of features).

构造器概要

构造器

构造器和说明
NaiveBayesModelData()
NaiveBayesModelData(Map<Double,Double>[][] theta, org.apache.flink.ml.linalg.DenseVector piArray, org.apache.flink.ml.linalg.DenseVector labels)

方法概要

限定符和类型	方法和说明
static org.apache.flink.streaming.api.datastream.DataStream<NaiveBayesModelData>	getModelDataStream(org.apache.flink.table.api.Table modelData) Converts the table model to a data stream.

从类继承的方法 java.lang.Object

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

字段详细资料

theta

public Map<Double,Double>[][] theta

Log of class conditional probabilities, whose dimension is C (number of classes) by D (number of features).

piArray

public org.apache.flink.ml.linalg.DenseVector piArray

Log of class priors, whose dimension is C (number of classes).

labels

public org.apache.flink.ml.linalg.DenseVector labels

Value of labels.

构造器详细资料

NaiveBayesModelData

public NaiveBayesModelData(Map<Double,Double>[][] theta,
                           org.apache.flink.ml.linalg.DenseVector piArray,
                           org.apache.flink.ml.linalg.DenseVector labels)

NaiveBayesModelData

public NaiveBayesModelData()

方法详细资料

getModelDataStream

public static org.apache.flink.streaming.api.datastream.DataStream<NaiveBayesModelData> getModelDataStream(org.apache.flink.table.api.Table modelData)

Converts the table model to a data stream.

参数:

modelData - The table model data.

返回:

The data stream model data.