com.hankcs.hanlp.corpus.occurrence

Class Occurrence

java.lang.Object

com.hankcs.hanlp.corpus.occurrence.Occurrence

public class Occurrence
extends Object

词共现统计，最多统计到三阶共现

Author:

hankcs

Field Summary

Fields

Modifier and Type	Field and Description
static char	RIGHT 两个词的正向连接符 中国 RIGHT 人民

Constructor Summary

Constructors

Constructor and Description
Occurrence()

Method Summary

Modifier and Type	Method and Description
void	addAll(List<Term> resultList)
void	addAll(String text)
void	addAll(String[] termList)
void	addPair(String first, String second) 添加一个共现
void	addTerm(String key) 统计词频
void	addTria(String first, String second, String third)
void	compute() 输入数据完毕，执行计算
double	computeLeftEntropy(PairFrequency pair) 计算左熵
double	computeMutualInformation(PairFrequency pair)
double	computeMutualInformation(String first, String second)
double	computeRightEntropy(PairFrequency pair) 计算右熵
Set<Map.Entry<String,PairFrequency>>	getBiGram() 获取二阶共现
int	getPairFrequency(String first, String second)
List<PairFrequency>	getPhraseByLe()
List<PairFrequency>	getPhraseByMi()
List<PairFrequency>	getPhraseByRe()
List<PairFrequency>	getPhraseByScore()
int	getTermFrequency(String term) 获取词频
Set<Map.Entry<String,TriaFrequency>>	getTriGram() 获取三阶共现
Set<Map.Entry<String,TermFrequency>>	getUniGram() 获取一阶共现,其实就是词频统计
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

RIGHT

public static final char RIGHT

两个词的正向连接符 中国 RIGHT 人民

See Also:

Constant Field Values

Constructor Detail

Occurrence

public Occurrence()

Method Detail

addPair

public void addPair(String first,
                    String second)

添加一个共现

Parameters:

first - 第一个词

second - 第二个词

addTerm

public void addTerm(String key)

统计词频

Parameters:

key - 增加一个词

addTria

public void addTria(String first,
                    String second,
                    String third)

getTermFrequency

public int getTermFrequency(String term)

获取词频

Parameters:

term -

Returns:

getPairFrequency

public int getPairFrequency(String first,
                            String second)

addAll

public void addAll(String[] termList)

getPhraseByMi

public List<PairFrequency> getPhraseByMi()

getPhraseByLe

public List<PairFrequency> getPhraseByLe()

getPhraseByRe

public List<PairFrequency> getPhraseByRe()

getPhraseByScore

public List<PairFrequency> getPhraseByScore()

addAll

public void addAll(List<Term> resultList)

addAll

public void addAll(String text)

toString

public String toString()

Overrides:

toString in class Object

computeMutualInformation

public double computeMutualInformation(String first,
                                       String second)

computeMutualInformation

public double computeMutualInformation(PairFrequency pair)

computeLeftEntropy

public double computeLeftEntropy(PairFrequency pair)

计算左熵

Parameters:

pair -

Returns:

computeRightEntropy

public double computeRightEntropy(PairFrequency pair)

计算右熵

Parameters:

pair -

Returns:

compute

public void compute()

输入数据完毕，执行计算

getUniGram

public Set<Map.Entry<String,TermFrequency>> getUniGram()

获取一阶共现,其实就是词频统计

Returns:

getBiGram

public Set<Map.Entry<String,PairFrequency>> getBiGram()

获取二阶共现

Returns:

getTriGram

public Set<Map.Entry<String,TriaFrequency>> getTriGram()

获取三阶共现

Returns: