A C D G K O S T

A

assignClass(String) - Method in interface org.apache.lucene.classification.Classifier

Assign a class (with score) to the given text String

assignClass(String) - Method in class org.apache.lucene.classification.KNearestNeighborClassifier

Assign a class (with score) to the given text String

assignClass(String) - Method in class org.apache.lucene.classification.SimpleNaiveBayesClassifier

Assign a class (with score) to the given text String

C

ClassificationResult<T> - Class in org.apache.lucene.classification

The result of a call to Classifier.assignClass(String) holding an assigned class of type T and a score.

ClassificationResult(T, double) - Constructor for class org.apache.lucene.classification.ClassificationResult

Constructor

Classifier<T> - Interface in org.apache.lucene.classification

A classifier, see http://en.wikipedia.org/wiki/Classifier_(mathematics), which assign classes of type T

D

DatasetSplitter - Class in org.apache.lucene.classification.utils

Utility class for creating training / test / cross validation indexes from the original index.

DatasetSplitter(double, double) - Constructor for class org.apache.lucene.classification.utils.DatasetSplitter

Create a DatasetSplitter by giving test and cross validation IDXs sizes

G

getAssignedClass() - Method in class org.apache.lucene.classification.ClassificationResult

retrieve the result class

getScore() - Method in class org.apache.lucene.classification.ClassificationResult

retrieve the result score

K

KNearestNeighborClassifier - Class in org.apache.lucene.classification

A k-Nearest Neighbor classifier (see http://en.wikipedia.org/wiki/K-nearest_neighbors) based on MoreLikeThis

KNearestNeighborClassifier(int) - Constructor for class org.apache.lucene.classification.KNearestNeighborClassifier

Create a Classifier using kNN algorithm

O

org.apache.lucene.classification - package org.apache.lucene.classification

Uses already seen data (the indexed documents) to classify new documents.

org.apache.lucene.classification.utils - package org.apache.lucene.classification.utils

Utilities for evaluation, data preparation, etc.

S

SimpleNaiveBayesClassifier - Class in org.apache.lucene.classification

A simplistic Lucene based NaiveBayes classifier, see http://en.wikipedia.org/wiki/Naive_Bayes_classifier

SimpleNaiveBayesClassifier() - Constructor for class org.apache.lucene.classification.SimpleNaiveBayesClassifier

Creates a new NaiveBayes classifier.

split(AtomicReader, Directory, Directory, Directory, Analyzer, String...) - Method in class org.apache.lucene.classification.utils.DatasetSplitter

Split a given index into 3 indexes for training, test and cross validation tasks respectively

T

train(AtomicReader, String, String, Analyzer) - Method in interface org.apache.lucene.classification.Classifier

Train the classifier using the underlying Lucene index

train(AtomicReader, String, String, Analyzer) - Method in class org.apache.lucene.classification.KNearestNeighborClassifier

Train the classifier using the underlying Lucene index

train(AtomicReader, String, String, Analyzer) - Method in class org.apache.lucene.classification.SimpleNaiveBayesClassifier

Train the classifier using the underlying Lucene index

A C D G K O S T