Python 数据挖掘推荐模块

best python modules for machine learning, data mining, natural language processing, network analysis, and web scraping

This list is my summary of Quora question
What are the best Python 2.7 modules for data mining?
Basics:

numpy - numerical library,
numpy.scipy.org/
scipy - Advanced math, signal processing, optimization, statistics,
www.scipy.org/
matplotlib, python plotting - Matplotlib,
matplotlib.org

Machine Learning and Data Mining:

MDP, a collection of supervised and unsupervised learning algorithms,
pypi.python.org/pypi/MDP/2.4
mlpy, Machine Learning Python,
mlpy.sourceforge.net
NetworkX, for graph analysis,
networkx.lanl.gov/
Orange, Data Mining Fruitful & Fun,
biolab.si
pandas, Python Data Analysis Library,
pandas.pydata.org
pybrain, pybrain.org
scikits-learn - Classic machine learning algorithms - Provide simple an efficient solutions to learning problems,
scikit-learn.org/stable/

Natural Language:

NLTK, Natural Language Toolkit, nltk.org

For web scraping:

Scrapy, An open source web scraping framework for Python
scrapy.org
urllib/urllib2