Install NLTK in Ubuntu12.04

Source: Internet
Author: User
Tags nltk nltk python
Before installing NLTK, run the apt-cachesearch command to search for the specific name of the NLTK package in the software source: $ apt-cachesearchnltk # search package python-nltk-Pythonlibrariesfornaturallanguageprocessing $ apt-cacheshowpython-nltk & nbs

Before installing NLTK, use the apt-cache search command to search for the specific name of the NLTK package in the software source:

$ Apt-cache search nltk # search software package

Python-nltk-Python libraries for natural language processing

$ Apt-cache show python-nltk # display version information/size, etc.

Package: python-nltk
Priority: optional
Section: universe/python
Installed-Size: 4042
Maintainer: Ubuntu Developers
Original-Maintainer: Robin Munn
Architecture: all
Source: nltk
Version: 2.0 ~ B9-0ubuntu3
Depends: python2.7, python (> = 2.7.1-0ubuntu2), python (<2.8), python-yaml
Suggests: python-numpy, python-matplotlib, prover9
Filename: pool/universe/n/nltk/python-nltk_2.0 ~ B9-0ubuntu3_all.deb
Size: 918844
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Note Depends/Suggests. Or run the following command:

$ Apt-cache depends python-nltk # understand specific dependent packages

Python-nltk
Dependency: python2.7
Dependency: python
Dependency: python
Dependency: python-yaml
Suggestion: python-numpy
Suggestion: python-matplotlib
Suggestion: prover9

After learning about it, start to install:

$ Sudo apt-get install python-nltk # install nltk

The following additional software packages will be installed:
Python-yaml libyaml-0-2
Recommended software packages:
Python-numpy python-matplotlib prover9
The following [new] software packages will be installed:
Libyaml-0-2 python-nltk python-yaml

To avoid other problems, install all the recommended packages:

$ Sudo apt-get install python-numpy

The following additional software packages will be installed:

Libblas3gf libgfortran3 liblapack3gf
Recommended software packages:
Python-numpy-doc python-numpy-dbg python-nose python-dev gfortran
The following [new] software packages will be installed:
Libblas3gf libgfortran3 liblapack3gf python-numpy

$ Sudo apt-get install python-matplotlib # used to draw charts

The following additional software packages will be installed:
Python-matplotlib-data python-pyparsing python-support python-tz ttf-lyx
Recommended software packages:
Dvipng ipython python-configobj python-excelerator python-matplotlib-doc
Python-qt3 python-qt4 python-scipy python-traits python-wxgtk2.8
Texlive-extra-utils texlive-latex-extra
The following [new] software packages will be installed:
Python-matplotlib-data python-pyparsing python-support
Python-tz ttf-lyx

$ Sudo apt-get install prover9

The following additional software packages will be installed:
Libladr4
Recommended software packages:
Ladr4-apps prover9-doc
The following [new] software packages will be installed:
Libladr4 prover9

$ Sudo apt-get install python-scipy # used by MaxentClassifier

The following additional software packages will be installed:
G ++-4.6 libamd2.2.0 libexpat1-dev libssl-dev libssl-doc
Libstdc ++ 6-4.6-dev libumfpack5.4.0 python-dev python2.7-dev zlib1g-dev
Recommended software packages:
G ++-multilib g ++-4.6-multilib gcc-4.6-doc libstdc ++ 6-4.6-dbg
Libstdc ++ 6-4.6-doc
The following [new] software packages will be installed:
G ++-4.6 libamd2.2.0 libexpat1-dev libssl-dev libssl-doc
Libstdc ++ 6-4.6-dev libumfpack5.4.0 python-dev python-scipy python2.7-dev
Zlib1g-dev
Now, the installation is complete. Open the Python interaction environment and import it to check whether the installation is successful.

Appendix:

Https://launchpad.net/ubuntu/+source/nltk

This website can download all the preceding deb installation packages.

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