karis

摘要： Natural Language Processing with PythonCharpter 6.1 1 import nltk 2 from nltk.corpus import brown 3 4 def pos_features(sentence,i,history): 5 fea... 阅读全文

摘要： Natural Language Processing with PythonCharpter 6.1suffix_fdist处代码稍微改动。 1 import nltk 2 from nltk.corpus import brown 3 4 def common_suffixes_fun(): ... 阅读全文

摘要： Natural Language Processing with PythonChapter 6.1由于nltk.FreqDist的排序问题，获取电影文本特征词的代码有些微改动。 1 import nltk 2 from nltk.corpus import movie_reviews as mr ... 阅读全文

摘要： Natural Language Processing with PythonChapter 4.8 1 colors = 'rgbcmyk' # red, green, blue, cyan, magenta, yellow, black 2 3 def bar_chart(catego... 阅读全文

摘要： 1 import nltk 2 3 def freq_sorted(text,ranklimit): 4 fd=nltk.FreqDist(text) 5 cumulative = 0.0 6 for rank, (word,freq) in enumerate(sort... 阅读全文

摘要： Let f(w) be the frequency of a word w in free text. Suppose that all the words of a text are ranked according to their frequency, with the most freque... 阅读全文

摘要： 用Enthought Canopy作图果然方便。昨天频频出现无法识别pylab模块的异常，今天终于搞好了。以下是今天出来的图： 阅读全文

摘要： Spoken input (top left) is analyzed, words are recognized, sentences are parsed and interpreted in context, application-specific actions take place (t... 阅读全文