英文分词，采用nltk工具包进行分词 sudo apt-get install python-nltk 进入python命令行输入 >>>import nltk >>>nltk.download() 中文分词，采用jieba工具包进行分词

Ubuntu下pil numpy scipy matplotlib的安装： sudo apt-get update sudo apt-get install git g++ sudo apt-get install python-dev python-setuptools

sudo easy_install Cython 
sudo easy_install pil
sudo apt-get install libatlas-base-dev # 科学计算库
sudo apt-get install gfortran # fortran编译器
sudo apt-get install libblas-dev liblapack-dev libatlas-base-dev
export BLAS=/usr/lib/libblas/libblas.so 
export LAPACK=/usr/lib/lapack/liblapack.so 
export ATLAS=/usr/lib/atlas-base/libatlas.so
sudo apt-get install python-numpy
sudo apt-get install python-scipy
sudo apt-get install python-matplotlib

sudo easy_install jieba
sudo easy_install scikit-learn
sudo easy_install simplejson
sudo easy_install pymongo

CentOS下pil numpy scipy matplotlib的安装： 离线安装Python sudo yum install python-setuptools sudo yum install gcc-gfortran sudo yum install blas-devel sudo yum install lapack-devel 进入numpy解压目录 sudo python setup.py build sudo python setup.py install 进入scipy解压目录 sudo python setup.py build sudo python setup.py install 进入matplotlib目录 sudo yum install libpng-devel sudo python setup.py build sudo python setup.py install

sudo easy_install jieba
sudo easy_install scikit-learn
sudo easy_install simplejson
sudo easy_install pymongo