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While running a Python script using NLTK I got this:
Traceback (most recent call last): File "cpicklesave.py", line 56, in <module> pos = nltk.pos_tag(words) File "/usr/lib/python2.7/site-packages/nltk/tag/__init__.py", line 110, in pos_tag tagger = PerceptronTagger() File "/usr/lib/python2.7/site-packages/nltk/tag/perceptron.py", line 140, in __init__ AP_MODEL_LOC = str(find('taggers/averaged_perceptron_tagger/'+PICKLE)) File "/usr/lib/python2.7/site-packages/nltk/data.py", line 641, in find raise LookupError(resource_not_found) LookupError: ********************************************************************** Resource u'taggers/averaged_perceptron_tagger/averaged_perceptro n_tagger.pickle' not found. Please use the NLTK Downloader to obtain the resource: >>> nltk.download() Searched in: - '/root/nltk_data' - '/usr/share/nltk_data' - '/usr/local/share/nltk_data' - '/usr/lib/nltk_data' - '/usr/local/lib/nltk_data' ********************************************************************** Can anyone explain the problem?
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'] punkt is the required package for tokenization. Hence you may download it using nltk download manager or download it programmatically using nltk. download('punkt') .
punkt is used for tokenising sentences and averaged_perceptron_tagger is used for tagging words with their parts of speech (POS). We also need to set the add this directory to the NLTK data path. import os import nltk # Create NLTK data directory NLTK_DATA_DIR = './nltk_data' if not os. path. exists(NLTK_DATA_DIR): os.
Use
>>> nltk.download() to install the missing module (the Perceptron Tagger).
(check also the answers to Failed loading english.pickle with nltk.data.load)
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