nltk package

Subpackages

• nltk.app package
  • Submodules
    • nltk.app.chartparser_app module
    • nltk.app.chunkparser_app module
    • nltk.app.collocations_app module
    • nltk.app.concordance_app module
    • nltk.app.nemo_app module
    • nltk.app.rdparser_app module
    • nltk.app.srparser_app module
    • nltk.app.wordfreq_app module
    • nltk.app.wordnet_app module
  • Module contents
• nltk.ccg package
  • Submodules
    • nltk.ccg.api module
    • nltk.ccg.chart module
    • nltk.ccg.combinator module
    • nltk.ccg.lexicon module
    • nltk.ccg.logic module
  • Module contents
• nltk.chat package
  • Submodules
    • nltk.chat.eliza module
    • nltk.chat.iesha module
    • nltk.chat.rude module
    • nltk.chat.suntsu module
    • nltk.chat.util module
    • nltk.chat.zen module
  • Module contents
• nltk.chunk package
  • Submodules
    • nltk.chunk.api module
    • nltk.chunk.named_entity module
    • nltk.chunk.regexp module
    • nltk.chunk.util module
  • Module contents
    • RegexpChunkParser
      • RegexpChunkRules
      • Efficiency
      • Emacs Tip
      • Unresolved Issues
• nltk.classify package
  • Submodules
    • nltk.classify.api module
    • nltk.classify.decisiontree module
    • nltk.classify.maxent module
      • Terminology: ‘feature’
    • nltk.classify.megam module
    • nltk.classify.naivebayes module
    • nltk.classify.positivenaivebayes module
    • nltk.classify.rte_classify module
    • nltk.classify.scikitlearn module
    • nltk.classify.senna module
    • nltk.classify.svm module
    • nltk.classify.tadm module
    • nltk.classify.textcat module
    • nltk.classify.util module
    • nltk.classify.weka module
  • Module contents
    • Features
    • Featuresets
    • Training Classifiers
• nltk.cluster package
  • Submodules
    • nltk.cluster.api module
    • nltk.cluster.em module
    • nltk.cluster.gaac module
    • nltk.cluster.kmeans module
    • nltk.cluster.util module
  • Module contents
• nltk.corpus package
  • Subpackages
    • nltk.corpus.reader package
      • Submodules
      • Module contents
  • Submodules
    • nltk.corpus.europarl_raw module
    • nltk.corpus.util module
  • Module contents
    • Available Corpora
    • Corpus Reader Functions
• nltk.draw package
  • Submodules
    • nltk.draw.cfg module
    • nltk.draw.dispersion module
    • nltk.draw.table module
    • nltk.draw.tree module
    • nltk.draw.util module
  • Module contents
• nltk.inference package
  • Submodules
    • nltk.inference.api module
    • nltk.inference.discourse module
    • nltk.inference.nonmonotonic module
    • nltk.inference.resolution module
    • nltk.inference.tableau module
  • Module contents
• nltk.lm package
  • Submodules
    • nltk.lm.api module
    • nltk.lm.counter module
      • Language Model Counter
    • nltk.lm.models module
    • nltk.lm.preprocessing module
    • nltk.lm.smoothing module
    • nltk.lm.util module
  • Module contents
    • NLTK Language Modeling Module.
      • Preparing Data
      • Training
      • Using a Trained Model
• nltk.metrics package
  • Submodules
    • nltk.metrics.agreement module
    • nltk.metrics.aline module
      • Example usage
    • nltk.metrics.association module
    • nltk.metrics.distance module
    • nltk.metrics.scores module
    • nltk.metrics.segmentation module
    • nltk.metrics.spearman module
  • Module contents
• nltk.misc package
  • Submodules
    • nltk.misc.babelfish module
    • nltk.misc.chomsky module
    • nltk.misc.minimalset module
    • nltk.misc.sort module
    • nltk.misc.wordfinder module
  • Module contents
• nltk.parse package
  • Submodules
    • nltk.parse.api module
    • nltk.parse.bllip module
    • nltk.parse.chart module
    • nltk.parse.corenlp module
    • nltk.parse.earleychart module
    • nltk.parse.evaluate module
    • nltk.parse.featurechart module
    • nltk.parse.generate module
    • nltk.parse.malt module
    • nltk.parse.pchart module
    • nltk.parse.recursivedescent module
    • nltk.parse.shiftreduce module
    • nltk.parse.stanford module
    • nltk.parse.util module
    • nltk.parse.viterbi module
  • Module contents
• nltk.sem package
  • Submodules
    • nltk.sem.chat80 module
      • Overview
      • Reading Chat-80 Files
      • Concepts
      • Persistence
      • Individuals and Lexical Items
    • nltk.sem.cooper_storage module
    • nltk.sem.drt module
    • nltk.sem.drt_glue_demo module
    • nltk.sem.evaluate module
    • nltk.sem.glue module
    • nltk.sem.hole module
    • nltk.sem.lfg module
    • nltk.sem.linearlogic module
    • nltk.sem.logic module
    • nltk.sem.relextract module
    • nltk.sem.skolemize module
    • nltk.sem.util module
  • Module contents
• nltk.sentiment package
  • Submodules
    • nltk.sentiment.sentiment_analyzer module
    • nltk.sentiment.util module
    • nltk.sentiment.vader module
  • Module contents
• nltk.stem package
  • Submodules
    • nltk.stem.api module
    • nltk.stem.isri module
    • nltk.stem.lancaster module
    • nltk.stem.porter module
    • nltk.stem.regexp module
    • nltk.stem.rslp module
    • nltk.stem.snowball module
    • nltk.stem.util module
    • nltk.stem.wordnet module
  • Module contents
• nltk.tag package
  • Submodules
    • nltk.tag.api module
    • nltk.tag.brill module
    • nltk.tag.brill_trainer module
    • nltk.tag.crf module
    • nltk.tag.hmm module
    • nltk.tag.hunpos module
    • nltk.tag.mapping module
    • nltk.tag.perceptron module
    • nltk.tag.senna module
    • nltk.tag.sequential module
    • nltk.tag.stanford module
    • nltk.tag.util module
  • Module contents
• nltk.tbl package
  • Submodules
    • nltk.tbl.api module
    • nltk.tbl.demo module
    • nltk.tbl.erroranalysis module
    • nltk.tbl.feature module
    • nltk.tbl.rule module
    • nltk.tbl.template module
  • Module contents
• nltk.tokenize package
  • Submodules
    • nltk.tokenize.api module
    • nltk.tokenize.casual module
    • nltk.tokenize.destructive module
    • nltk.tokenize.legality_principle module
    • nltk.tokenize.mwe module
    • nltk.tokenize.nist module
    • nltk.tokenize.punkt module
    • nltk.tokenize.regexp module
    • nltk.tokenize.repp module
    • nltk.tokenize.sexpr module
    • nltk.tokenize.simple module
    • nltk.tokenize.sonority_sequencing module
    • nltk.tokenize.stanford module
    • nltk.tokenize.stanford_segmenter module
    • nltk.tokenize.texttiling module
    • nltk.tokenize.toktok module
    • nltk.tokenize.treebank module
    • nltk.tokenize.util module
  • Module contents
• nltk.translate package
  • Submodules
    • nltk.translate.api module
    • nltk.translate.bleu_score module
    • nltk.translate.chrf_score module
    • nltk.translate.gale_church module
    • nltk.translate.gdfa module
    • nltk.translate.gleu_score module
    • nltk.translate.ibm1 module
      • Notations
      • References
    • nltk.translate.ibm2 module
      • Notations
      • References
    • nltk.translate.ibm3 module
      • Notations
      • References
    • nltk.translate.ibm4 module
      • Terminology
      • Notations
      • References
    • nltk.translate.ibm5 module
      • Terminology
      • Notations
      • References
    • nltk.translate.ibm_model module
    • nltk.translate.meteor_score module
    • nltk.translate.metrics module
    • nltk.translate.nist_score module
    • nltk.translate.phrase_based module
    • nltk.translate.ribes_score module
    • nltk.translate.stack_decoder module
  • Module contents
• nltk.tree package
  • Submodules
    • nltk.tree.immutable module
    • nltk.tree.parented module
    • nltk.tree.parsing module
    • nltk.tree.prettyprinter module
    • nltk.tree.probabilistic module
    • nltk.tree.transforms module
  • Module contents
• nltk.twitter package
  • Submodules
    • nltk.twitter.api module
    • nltk.twitter.common module
    • nltk.twitter.twitter_demo module
    • nltk.twitter.twitterclient module
    • nltk.twitter.util module
  • Module contents

Submodules

• nltk.book module
• nltk.cli module
• nltk.collections module
• nltk.collocations module
• nltk.compat module
• nltk.data module
• nltk.decorators module
• nltk.downloader module
  • Downloading Packages
  • Download Directory
  • NLTK Download Server
• nltk.featstruct module
  • Lightweight Feature Structures
• nltk.grammar module
• nltk.help module
• nltk.internals module
• nltk.jsontags module
• nltk.langnames module
• nltk.lazyimport module
• nltk.probability module
• nltk.text module
• nltk.tgrep module
  • TGrep search implementation for NLTK trees
    • Usage
    • Caveats:
    • Known Issues:
    • Implementation notes
• nltk.toolbox module
• nltk.treeprettyprinter module
• nltk.treetransforms module
• nltk.util module
• nltk.wsd module

Module contents

The Natural Language Toolkit (NLTK) is an open source Python library for Natural Language Processing. A free online book is available. (If you use the library for academic research, please cite the book.)

Steven Bird, Ewan Klein, and Edward Loper (2009). Natural Language Processing with Python. O’Reilly Media Inc. https://www.nltk.org/book/

isort:skip_file

@version: 3.8.1

nltk.demo()