TF-IDF for Machine Learning

Quick overview of TF-IDF
Some references if you want to learn more:
Wikipedia:
https://en.wikipedia.org/wiki/Tf%E2%80%93idf
Scikit's implementation:
http://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.TfidfVectorizer.html#sklearn.feature_extraction.text.TfidfVectorizer
Scikit's code example for feature extraction:
http://scikit-learn.org/stable/modules/feature_extraction.html
Stanford notes:
http://nlp.stanford.edu/IR-book/html/htmledition/tf-idf-weighting-1.html

Видео TF-IDF for Machine Learning канала RevMachineLearning