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From mengxr <>
Subject [GitHub] spark pull request: [SPARK-2511][MLLIB] add HashingTF and IDF
Date Wed, 06 Aug 2014 17:00:58 GMT
Github user mengxr commented on the pull request:
    @MLnick `FeatureHasher` might be too general. One thing it is not clear from its name
is how to resolve conflicts: same word appears more than once, or different words having the
same hash value. We can add `FeatureHasher` (or called `HashingVectorizer`) later. I think
it might be useful to keep `HashingTF` as a special case.

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