# Package org.apache.lucene.classification.utils

Utilities for evaluation, data preparation, etc.

See: Description

Class Summary
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.