程序包 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

修饰符和类型	类	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

修饰符和类型	字段	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).
static org.apache.flink.api.common.typeinfo.TypeInformation<NaiveBayesModelData>	TYPE_INFO

构造器概要

构造器

构造器	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

修饰符和类型	方法	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

TYPE_INFO

public static final org.apache.flink.api.common.typeinfo.TypeInformation<NaiveBayesModelData> TYPE_INFO

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.