本文整理汇总了Python中nltk.compat.Counter方法的典型用法代码示例。如果您正苦于以下问题：Python compat.Counter方法的具体用法？Python compat.Counter怎么用？Python compat.Counter使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nltk.compat的用法示例。
在下文中一共展示了compat.Counter方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: similar
# 需要导入模块: from nltk import compat [as 别名]
# 或者: from nltk.compat import Counter [as 别名]
def similar(self, word, num=20):
"""
Distributional similarity: find other words which appear in the
same contexts as the specified word; list most similar words first.
:param word: The word used to seed the similarity search
:type word: str
:param num: The number of words to generate (default=20)
:type num: int
:seealso: ContextIndex.similar_words()
"""
if '_word_context_index' not in self.__dict__:
#print('Building word-context index...')
self._word_context_index = ContextIndex(self.tokens,
filter=lambda x:x.isalpha(),
key=lambda s:s.lower())
# words = self._word_context_index.similar_words(word, num)
word = word.lower()
wci = self._word_context_index._word_to_contexts
if word in wci.conditions():
contexts = set(wci[word])
fd = Counter(w for w in wci.conditions() for c in wci[w]
if c in contexts and not w == word)
words = [w for w, _ in fd.most_common(num)]
print(tokenwrap(words))
else:
print("No matches")