Questions tagged [nltk-book]

48 questions
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POS Tagger for a Virtual Assistant

I'm trying to build a POS Tagger for a Voise Assistant. However, the nltk's pos tagger nltk.pos_tag doesn't work well for me. For example: sent = 'open Youtube' tokens = nltk.word_tokenize(sent) nltk.pos_tag(tokens, tagset='universal') >>[('open',…
Mohit Motwani
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Python, NLTK: NameError: name 'load_parser' is not defined

I'm trying to run this example provided from NLTK book here: >>> from nltk import load_parser >>> cp = load_parser('grammars/book_grammars/sql0.fcfg') >>> query = 'What cities are located in China' >>> trees = list(cp.parse(query.split())) >>>…
Alaa
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NLTK - explanation of inconsistent behavior of disperson_plot

Why ahab and Ahab make the difference in nltk dispersion_plot? from nltk.book import ( text1 as mobydick ) mobydick.dispersion_plot(['starbuck', 'captain', 'ahab']) mobydick.dispersion_plot(['starbuck', 'captain', 'Ahab']) Environment NLTK:…
mon
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Lexical dispersion plot with nltk is not working right

i have been using a nltk code to make a lexical dispersion plot. As you can see in the code below ( please excuse the messy imports). I took text for 4 local pdfs extracted the text and did the word_tokenize bit. I have also done the other option…
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nltk.download not working showing errorno 11001 getaddrinfo failed and

When I run interactive installation as per the guide of nltk, i.e import nltk nltk.download() enter image description here so as these error occurred I start installing it via proxy server >>> nltk.set_proxy('http://proxy.example.com:3128',…
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NLTK, Prover9: DiscourseTester fails at informativity check (informchk)

I am currently working with the DiscourseTester implemented in NLTK. I have the recent version of NLTK (3.8.1) and work with Python 3.8. The DiscourseTester fails when I set the informchk=True, but works if it is set to False. Does anyone know what…
Tania
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NLTK download error (Host not responding)

this is the image (on the bottom u can find the error) nltk.download() after this command the above dialog box appeared but once i click download it says host not responding Error downloading •abc' from <…
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NLTK available languages for word tokenization and sentence tokenization

I need to understand for which languages the tokenization in NLTK is possible. I think I need to set the language like this: import nltk.data lang = "WHATEVER_LANGUAGE" tokenizer = nltk.data.load('nltk:tokenizers/punkt/'+lang+'.pickle') text =…
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Total Frequency Count for words using NLTK Python

While testing a standard way of written code to count the total frequency of words in a sentence (counting number of times the same word appears), using the NLTK with Python, i am getting no result, the program does not output a result. it seems…
Calculate
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Getting sense stems for nltk semcor corpus words

I was trying semcor corpus in nltk. I found this code here: >>> list(map(str, semcor.tagged_chunks(tag='both')[:3])) ['(DT The)', "(Lemma('group.n.01.group') (NE (NNP Fulton County Grand Jury)))", "(Lemma('state.v.01.say') (VB said))"] I tried the…
Mahesha999
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Obtaining METEOR scores for Japanese text

I wish to produce METEOR scores for several Japanese strings. I have imported nltk, wordnet and omw but the results do not convince me it is working correctly. from nltk.corpus import wordnet from nltk.translate.meteor_score import…
phil
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How to get consolidated words post tagging?

I am working on a dataset that requires extracting all the words that are adjectives, verbs, and adverbs from each sentence of a data frame column. This is a sample I was working on to figure out how I could get the desired…
Dynamo
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Using nltk.book import in a function

I am trying to write a simple function as follows: def lexical_diversity(text,word): from nltk.book import text return 100*text.count(word)/len(set(text)) I understand that I can import a text before the function. But, I was wondering why I…
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How to take output of nltk.book, common_contexts function to a variable

common_contexts in nltk.book returns NoneType and hence how is it possible to store its output to a variable from nltk.book import * wtc=text1.common_contexts(['you']) print(wtc) print(type(wtc)) wtc variable above will return NONE.
sakeesh
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Words in WordNet corpus clarification

I want to get the length of words in the WordNet corpus Code: from nltk.corpus import wordnet as wn len_wn = len([word.lower() for word in wn.words()]) print(len_wn) I get the output as 147306 My Questions: Am I getting the total length of words…
floss
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