NLP: Opinion classification

Let’s perform some classification methods on the same tripadvisor data as in the post In this case we are going to read and preprocess the data again, then we are going to vectorize it in different ways, 1. With TF-IDF vectorizer that creates vectors having into account the frequency of words in a document and the frequency of words in all documents, decreasing weight of the words that appear too often (they can bee

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