Created
January 10, 2016 18:41
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Use gensim to load a word2vec model pretrained on google news and perform some simple actions with the word vectors.
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from gensim.models import Word2Vec | |
# Load pretrained model (since intermediate data is not included, the model cannot be refined with additional data) | |
model = Word2Vec.load_word2vec_format('GoogleNews-vectors-negative300.bin', binary=True, norm_only=True) | |
dog = model['dog'] | |
print(dog.shape) | |
print(dog[:10]) | |
# Deal with an out of dictionary word: Михаил (Michail) | |
if 'Михаил' in model: | |
print(model['Михаил'].shape) | |
else: | |
print('{0} is an out of dictionary word'.format('Михаил')) | |
# Some predefined functions that show content related information for given words | |
print(model.most_similar(positive=['woman', 'king'], negative=['man'])) | |
print(model.doesnt_match("breakfast cereal dinner lunch".split())) | |
print(model.similarity('woman', 'man')) |
Google Colab demo
Thank you for the Colab demo !!
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AttributeError: The vocab attribute was removed from KeyedVector in Gensim 4.0.0.
Use KeyedVector's .key_to_index dict, .index_to_key list, and methods .get_vecattr(key, attr) and .set_vecattr(key, attr, new_val) instead.
See https://github.com/RaRe-Technologies/gensim/wiki/Migrating-from-Gensim-3.x-to-4