类的使用
com.hankcs.hanlp.model.perceptron.feature.FeatureMap

使用FeatureMap的程序包

程序包	说明
com.hankcs.hanlp.model.perceptron	感知机在线学习算法的线性序列标注模型。
com.hankcs.hanlp.model.perceptron.feature
com.hankcs.hanlp.model.perceptron.instance
com.hankcs.hanlp.model.perceptron.model

com.hankcs.hanlp.model.perceptron中FeatureMap的使用

参数类型为FeatureMap的com.hankcs.hanlp.model.perceptron中的方法

限定符和类型	方法和说明
protected static void	PerceptronClassifier.addFeature(String feature, FeatureMap featureMap, List<Integer> featureList) 向特征向量插入特征
protected Instance	PerceptronSegmenter.createInstance(Sentence sentence, FeatureMap featureMap)
protected Instance	NERTrainer.createInstance(Sentence sentence, FeatureMap featureMap)
protected abstract Instance	InstanceConsumer.createInstance(Sentence sentence, FeatureMap featureMap)
protected Instance	CWSTrainer.createInstance(Sentence sentence, FeatureMap mutableFeatureMap)
protected Instance	PerceptronPOSTagger.createInstance(Sentence sentence, FeatureMap featureMap)
protected Instance	PerceptronNERecognizer.createInstance(Sentence sentence, FeatureMap featureMap)
protected Instance	POSTrainer.createInstance(Sentence sentence, FeatureMap featureMap)
protected List<Integer>	PerceptronNameGenderClassifier.extractFeature(String text, FeatureMap featureMap)
protected abstract List<Integer>	PerceptronClassifier.extractFeature(String text, FeatureMap featureMap) 特征提取

com.hankcs.hanlp.model.perceptron.feature中FeatureMap的使用

com.hankcs.hanlp.model.perceptron.feature中FeatureMap的子类

限定符和类型	类和说明
class	ImmutableFeatureDatMap
class	ImmutableFeatureMap
class	ImmutableFeatureMDatMap 用MutableDoubleArrayTrie实现的ImmutableFeatureMap
class	LockableFeatureMap 可切换锁定状态的特征id映射
class	MutableFeatureMap

com.hankcs.hanlp.model.perceptron.instance中FeatureMap的使用

参数类型为FeatureMap的com.hankcs.hanlp.model.perceptron.instance中的方法

限定符和类型	方法和说明
protected static void	Instance.addFeature(CharSequence rawFeature, List<Integer> featureVector, FeatureMap featureMap)
protected static void	Instance.addFeatureThenClear(StringBuilder rawFeature, List<Integer> featureVector, FeatureMap featureMap) 添加特征，同时清空缓存
static CWSInstance	CWSInstance.create(Sentence sentence, FeatureMap featureMap)
static POSInstance	POSInstance.create(Sentence sentence, FeatureMap featureMap)
static NERInstance	NERInstance.create(Sentence sentence, FeatureMap featureMap)
static POSInstance	POSInstance.create(String segmentedTaggedSentence, FeatureMap featureMap)
static NERInstance	NERInstance.create(String segmentedTaggedNERSentence, FeatureMap featureMap)
protected int[]	POSInstance.extractFeature(String[] words, FeatureMap featureMap, int position)
protected int[]	NERInstance.extractFeature(String[] wordArray, String[] posArray, FeatureMap featureMap, int position) 提取特征，override此方法来拓展自己的特征模板
protected int[]	CWSInstance.extractFeature(String sentence, FeatureMap featureMap, int position)
protected void	CWSInstance.initFeatureMatrix(String sentence, FeatureMap featureMap)

参数类型为FeatureMap的com.hankcs.hanlp.model.perceptron.instance中的构造器

构造器和说明
CWSInstance(String[] termArray, FeatureMap featureMap) 生成分词实例
CWSInstance(String sentence, FeatureMap featureMap)
NERInstance(String[] wordArray, String[] posArray, FeatureMap featureMap)
NERInstance(String[] wordArray, String[] posArray, String[] nerArray, NERTagSet tagSet, FeatureMap featureMap)
POSInstance(String[] termArray, FeatureMap featureMap)
POSInstance(String[] termArray, String[] posArray, FeatureMap featureMap) 构建词性标注实例

com.hankcs.hanlp.model.perceptron.model中FeatureMap的使用

声明为FeatureMap的com.hankcs.hanlp.model.perceptron.model中的字段

限定符和类型	字段和说明
FeatureMap	LinearModel.featureMap 特征函数

参数类型为FeatureMap的com.hankcs.hanlp.model.perceptron.model中的构造器

构造器和说明
AveragedPerceptron(FeatureMap featureMap)
AveragedPerceptron(FeatureMap featureMap, float[] parameter)
LinearModel(FeatureMap featureMap)
LinearModel(FeatureMap featureMap, float[] parameter)
StructuredPerceptron(FeatureMap featureMap)
StructuredPerceptron(FeatureMap featureMap, float[] parameter)