# Package org.apache.lucene.classification.utils

Utilities for evaluation, data preparation, etc.

See: Description

- Class Summary
  Class | Description
  --- | ---
  ConfusionMatrixGenerator | Utility class to generate the confusion matrix of a `Classifier`
  ConfusionMatrixGenerator.ConfusionMatrix | a confusion matrix, backed by a `Map` representing the linearized matrix
  DatasetSplitter | Utility class for creating training / test / cross validation indexes from the original index.
  DocToDoubleVectorUtils | utility class for converting Lucene `Document`s to `Double` vectors.
  NearestFuzzyQuery | Simplification of FuzzyLikeThisQuery, to be used in the context of KNN classification.

## Package org.apache.lucene.classification.utils Description

Utilities for evaluation, data preparation, etc.

Copyright © 2000-2021 Apache Software Foundation. All Rights Reserved.