程序包 org.apache.flink.ml.feature.hashingtf

类 HashingTF.HashTFFunction

java.lang.Object

org.apache.flink.ml.feature.hashingtf.HashingTF.HashTFFunction

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.MapFunction<org.apache.flink.types.Row,org.apache.flink.types.Row>

封闭类:

HashingTF

public static class HashingTF.HashTFFunction
extends Object
implements org.apache.flink.api.common.functions.MapFunction<org.apache.flink.types.Row,org.apache.flink.types.Row>

The main logic of HashingTF, which converts the input to a sparse vector.

另请参阅:

序列化表格

构造器概要

构造器

构造器	说明
HashTFFunction(String inputCol, boolean binary, int numFeatures)

方法概要

修饰符和类型	方法	说明
org.apache.flink.types.Row	map(org.apache.flink.types.Row row)

从类继承的方法 java.lang.Object

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

构造器详细资料

HashTFFunction

public HashTFFunction(String inputCol,
                      boolean binary,
                      int numFeatures)

方法详细资料

map

public org.apache.flink.types.Row map(org.apache.flink.types.Row row)
                               throws Exception

指定者:

map 在接口中 org.apache.flink.api.common.functions.MapFunction<org.apache.flink.types.Row,org.apache.flink.types.Row>

抛出:

Exception