## Uses of Class
opennlp.tools.util.eval.Evaluator

- Packages that use Evaluator
  Package | Description
  --- | ---
  opennlp.tools.chunker | Package related to finding non-recursive syntactic annotation such as noun phrase chunks.
  opennlp.tools.doccat | Package for classifying a document into a category.
  opennlp.tools.langdetect | Package related to predicting languages from samples of text.
  opennlp.tools.lemmatizer | Package related to the lemmatizer functionality.
  opennlp.tools.namefind | Package related to finding proper names and numeric amounts.
  opennlp.tools.parser | Package containing common code for performing full syntactic parsing.
  opennlp.tools.postag | Package related to part-of-speech tagging.
  opennlp.tools.sentdetect | Package related to identifying sentence boundaries.
  opennlp.tools.tokenize | Contains classes related to finding token or words in a string.

- - ### Uses of Evaluator in opennlp.tools.chunker

    Subclasses of Evaluator in opennlp.tools.chunker
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `ChunkerEvaluator` | The `ChunkerEvaluator` measures the performance of the given `Chunker` with the provided reference `samples`.

  - ### Uses of Evaluator in opennlp.tools.doccat

    Subclasses of Evaluator in opennlp.tools.doccat
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `DocumentCategorizerEvaluator` | The `DocumentCategorizerEvaluator` measures the performance of the given `DocumentCategorizer` with the provided reference `samples`.

  - ### Uses of Evaluator in opennlp.tools.langdetect

    Subclasses of Evaluator in opennlp.tools.langdetect
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `LanguageDetectorEvaluator` | The `LanguageDetectorEvaluator` measures the performance of the given `LanguageDetector` with the provided reference `LanguageSample`s.

  - ### Uses of Evaluator in opennlp.tools.lemmatizer

    Subclasses of Evaluator in opennlp.tools.lemmatizer
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `LemmatizerEvaluator` | The `LemmatizerEvaluator` measures the performance of the given `Lemmatizer` with the provided reference `samples`.

  - ### Uses of Evaluator in opennlp.tools.namefind

    Subclasses of Evaluator in opennlp.tools.namefind
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `TokenNameFinderEvaluator` | The `TokenNameFinderEvaluator` measures the performance of the given `TokenNameFinder` with the provided reference `samples`.

  - ### Uses of Evaluator in opennlp.tools.parser

    Subclasses of Evaluator in opennlp.tools.parser
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `ParserEvaluator` | This implementation of `Evaluator` behaves like `EVALB` with no exceptions, e.g, without removing punctuation tags, or equality between `ADVP` and `PRT`, as in COLLINS convention.

  - ### Uses of Evaluator in opennlp.tools.postag

    Subclasses of Evaluator in opennlp.tools.postag
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `POSEvaluator` | The `POSEvaluator` measures the performance of the given `POSTagger` with the provided reference `samples`.

  - ### Uses of Evaluator in opennlp.tools.sentdetect

    Subclasses of Evaluator in opennlp.tools.sentdetect
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `SentenceDetectorEvaluator` | The `SentenceDetectorEvaluator` measures the performance of the given `SentenceDetector` with the provided reference `SentenceSample`s.

  - ### Uses of Evaluator in opennlp.tools.tokenize

    Subclasses of Evaluator in opennlp.tools.tokenize
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `DetokenizerEvaluator` | The `DetokenizerEvaluator` measures the performance of the given `Detokenizer` with the provided reference `samples`.
    `class` | `TokenizerEvaluator` | The `TokenizerEvaluator` measures the performance of the given `Tokenizer` with the provided reference `samples`.