NLTK :: Natural Language Toolkit
Oct 1, 2025 · Written by the creators of NLTK, it guides the reader through the fundamentals of writing Python programs, working with corpora, categorizing text, analyzing linguistic structure, and more.
Installing NLTK
Oct 1, 2025 · If you’re unsure of which datasets/models you’ll need, you can install the “popular” subset of NLTK data, on the command line type python -m nltk.downloader popular, or in the Python …
nltk package
Submodules nltk.tree.immutable module ImmutableMultiParentedTree ImmutableParentedTree ImmutableProbabilisticTree ImmutableTree nltk.tree.parented module MultiParentedTree …
NLTK Book
This version of the NLTK book is updated for Python 3 and NLTK 3. The first edition of the book, published by O'Reilly, is available at http://nltk.org/book_1ed/.
Example usage of NLTK modules
Oct 1, 2025 · Example usage of NLTK modules Sample usage for bleu Sample usage for bnc Sample usage for ccg Sample usage for ccg_semantics Sample usage for chat80 Sample usage for childes …
1. Language Processing and Python - NLTK
Before going further you should install NLTK 3.0, downloadable for free from http://nltk.org/. Follow the instructions there to download the version required for your platform.
NLTK :: nltk
Oct 1, 2025 · Only nltk.app, nltk.draw, and demo modules should # have top-level tkinter imports.
NLTK :: Release Notes
Oct 1, 2025 · The entire toolkit can be accessed via a single import statement “import nltk”, and many common NLP functions accessed directly, e.g. nltk.PorterStemmer?, nltk.ShiftReduceParser?.
Installing NLTK Data
Oct 1, 2025 · The downloader will search for an existing nltk_data directory to install NLTK data. If one does not exist it will attempt to create one in a central location (when using an administrator account) …
nltk.corpus package
Oct 1, 2025 · If item is one of the unique identifiers listed in the corpus module’s items variable, then the corresponding document will be loaded from the NLTK corpus package.