Build software that combines Python’s expressivity with the performance and control of C (and C++). It’s possible with Cython, the compiler and hybrid programming language used by foundational packages such as NumPy, and prominent in projects includ
我们需要开始思考如何将文本集合转化为可量化的东西。最简单的方法是考虑词频。
我将尽量尝试不使用NLTK和Scikits-Learn包。我们首先使用Python讲解一些基本概念。
基本词频
首先,我们回顾一下如何得到每篇文档中的词的个数:一个词频向量。
#examples taken from here: http://stackoverflow.com/a/1750187
mydoclist = ['Julie loves me more than Linda loves me',
'J