>> "It seems to have tf-idf vectors later, you need to create tf vectors >> (DictionaryVectorizer.createTermFrequencyVectors) with logNormalize >> option set to false, and normPower option set to -1.0f." > That post implies that in order to have tf-idf vectors persisted, in the tf > vectors creation phase you need those options set.
I've noticed that from playing around with DictionaryVectorizer and TFIDFConverter. I'm just wondering why this is the case. I don't understand the reasoning behind the vectors not persisting when normalization is enabled.
