Top "Countvectorizer" questions

This tag is for questions on the process of turning a collection of text documents into numerical feature vectors using the class CountVectorizer from Python's scikit-learn library.

CountVectorizer does not print vocabulary

I have installed python 2.7, numpy 1.9.0, scipy 0.15.1 and scikit-learn 0.15.2. Now when I do the following in python: train_set = ("The sky …

python numpy scikit-learn scipy countvectorizer
Sklearn: adding lemmatizer to CountVectorizer

I added lemmatization to my countvectorizer, as explained on this Sklearn page. from nltk import word_tokenize from nltk.stem …

python scikit-learn lemmatization countvectorizer
List the words in a vocabulary according to occurrence in a text corpus, with Scikit-Learn CountVectorizer

I have fitted a CountVectorizer to some documents in scikit-learn. I would like to see all the terms and their …

python machine-learning scikit-learn text-extraction countvectorizer
raise ValueError("np.nan is an invalid document, expected byte or "

i am using CountVectorizer in scikit-learn for Vectorizing the feature sequence. i got stuck when it is giving an error …

python pandas scikit-learn countvectorizer
How to use the Scikit learn CountVectorizer?

I have a set of words for which I have to check whether they are present in the documents. WordList = […

python-3.x scikit-learn countvectorizer
CountVectorizer method get_feature_names() produces codes but not words

I'm trying to vectorize some text with sklearn CountVectorizer. After, I want to look at features, which generate vectorizer. But …

pandas machine-learning scikit-learn nlp countvectorizer
Getting NameError: name 'countVectorizer' is not defined in Pycharm

Need help with the error NameError: name 'countVectorizer' is not defined in PyCharm I am trying to execute the FEATURE …

python countvectorizer