程序包 org.apache.flink.ml.feature.idf

类 IDFModelData

java.lang.Object

org.apache.flink.ml.feature.idf.IDFModelData

public class IDFModelData
extends Object

Model data of IDFModel.

This class also provides methods to convert model data from Table to a data stream, 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	IDFModelData.ModelDataDecoder	Decoder for IDFModelData.
static class	IDFModelData.ModelDataEncoder	Encoder for IDFModelData.

字段概要

字段

修饰符和类型	字段	说明
long[]	docFreq	Document frequency for all terms after filtering out infrequent terms.
org.apache.flink.ml.linalg.DenseVector	idf	Inverse document frequency for all terms.
long	numDocs	Number of docs in the training set.

构造器概要

构造器

构造器	说明
IDFModelData()
IDFModelData(org.apache.flink.ml.linalg.DenseVector idf, long[] docFreq, long numDocs)

方法概要

修饰符和类型	方法	说明
static org.apache.flink.streaming.api.datastream.DataStream<IDFModelData>	getModelDataStream(org.apache.flink.table.api.Table modelDataTable)	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

idf

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

Inverse document frequency for all terms.

docFreq

public long[] docFreq

Document frequency for all terms after filtering out infrequent terms.

numDocs

public long numDocs

Number of docs in the training set.

构造器详细资料

IDFModelData

public IDFModelData()

IDFModelData

public IDFModelData(org.apache.flink.ml.linalg.DenseVector idf,
                    long[] docFreq,
                    long numDocs)

方法详细资料

getModelDataStream

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

Converts the table model to a data stream.

参数:

modelDataTable - The table model data.

返回:

The data stream model data.