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[英]Calling NLTK's concordance - how to get text before/after a word that was used?
[英]In NLTK, how do I get the concordance of a text?
>>> c = t.concordance('president')
Displaying 25 of 142 matches:
of Hays , Kan. as the school's new president . Dr. Clark will succeed Dr. J. R.
dollars , said C. Virgil Martin , president of Carson Pirie Scott & Co. , comm
dants '' . Washington , July 24 -- president Kennedy today pushed aside other W
ionwide television and radio . The president spent much of the week-end at his
drafts '' . Salinger said the work president Kennedy , advisers , and members o
miss them . Washington , Feb. 9 -- president Kennedy today proposed a mammoth n
railroad retirement programs . The president , in a special message to Congress
ged care plan , similar to one the president sponsored last year as a senator ,
or up to 240 days an illness . The president noted that Congress last year pass
e medical and dental schools . The president said the nation's 92 medical and 4
go up to 21 millions by 1966 . The president recommended federal `` matching gr
community health services '' , the president called for doubling the present 10
. In the child health field , the president said he will recommend later an in
nstitute . Asks research funds The president said he will ask Congress to incre
building research facilities . The president said he will also propose increasi
ernment research in medicine . The president said his proposals combine the ``
e ( D. , Ore. ) in connection with president Eisenhower's cabinet selections in
r's cabinet selections in 1953 and president Kennedy's in 1961 . Oslo The most
e was critical of what he feels is president Kennedy's tendency to be too conci
cation . But he did recommend that president Kennedy state clearly that if Comm
any observer would have said that president Kennedy had blended a program that
nquency in the United States . The president is deeply concerned over this prob
orities on juvenile problems . The president asks the support and cooperation o
rime trend . Offenses multiply The president has also called upon the Attorney
h the problem . Simultaneously the president announced Thursday the appointment
>>> print c
None
但是我不能將它設置為一個變量...我希望能夠將它設置為一個變量,這樣我就可以用它做一些事情了。
您調用的代碼位於nltk/nltk/text.py中,如下所示:
if '_concordance_index' not in self.__dict__:
print "Building index..."
self._concordance_index = ConcordanceIndex(self.tokens,
key=lambda s:s.lower())
self._concordance_index.print_concordance(word, width, lines)
因此,您應該能夠自己創建一個 ConcordanceIndex,並隨心所欲地對其進行操作。 ConcordanceIndex class 位於同一個文件中,並包含print_concordance
的代碼,這可能是一個不錯的起點。
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