1. 安裝NLTK
安裝比較方便,去nltk.org主頁上就有安裝的詳細步驟。
安裝頁面:http://nltk.org/install.html
記下Linux步驟:
- Open Finder>Applications>Utilities>Terminal and type python -V to find out what version of Python is installed
- Install Setuptools: Download the corresponding version of Setuptools from http://pypi.python.org/pypi/setuptools (scroll to the bottom, and pick the filename that contains the right version number and which has the extension .egg). Install it by typing sudo sh Downloads/setuptools-...egg, giving the location of the downloaded file.
- Install Pip: run sudo easy_install pip
- Install Numpy (optional): run sudo pip install -U numpy
- Install PyYAML and NLTK: run sudo pip install -U pyyaml nltk
- Test installation: run python then type import nltk
2. 安裝自帶數據
nltk里有自帶的數據,在idle里用命令
import nltk nltk.download()
會出來一個框,選擇你要下的數據就行了。不過要網絡狀況好一點的時候,可能會下不下來,多試幾次。
報錯:error with downloaded zip file
原因:網絡不穩定什么的,多試試。
3. 安裝matplotlib
matplotlib是一款python的2D繪圖庫,你可以用該庫生成圖、直方圖、功率譜、柱狀圖、錯誤圖(errorcharts),散點圖等。有點像octave和matlab下的繪圖,只需要幾行命令即可。
matplotlib的網址:http://matplotlib.org/
但是安裝matplotlib需要安裝另外一些庫和軟件:
1) Python-dev: sudo apt-get install python-dev
2) 如果用python setup.py build來build,可能會缺很多庫,如果你是debian/Ubuntu就可以用命令安裝所需要的包
sudo apt-get build-dep python-matplotlib
這些都安裝完了就可以安裝matplotlib了,用下面的命令:
cd matplotlib
python setup.py build
python setup.py install