DOC Update TfidfVectorizer analyzer documentation to match CountVectorizer
@@ -1357,8 +1357,10 @@ class TfidfVectorizer(CountVectorizer):
preprocessing and n-grams generation steps.
Only applies if ``analyzer == 'word'``.
- analyzer : string, {'word', 'char'} or callable
+ analyzer : string, {'word', 'char', 'char_wb'} or callable
Whether the feature should be made of word or character n-grams.
+ Option 'char_wb' creates character n-grams only from text inside
+ word boundaries; n-grams at the edges of words are padded with space.
If a callable is passed it is used to extract the sequence of features
out of the raw, unprocessed input.
