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https://issues.apache.org/jira/browse/FLINK-1999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14537143#comment-14537143
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Felix Neutatz commented on FLINK-1999:
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Hi Ronny,
I guess the functionality is pretty similar to the [Feature
Hasher](https://issues.apache.org/jira/browse/FLINK-1735). Your input type will
be also DataSet[Seq[String]] and your function will be also in the same package
according to scikit-learn:
http://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.TfidfVectorizer.html
> TF-IDF transformer
> ------------------
>
> Key: FLINK-1999
> URL: https://issues.apache.org/jira/browse/FLINK-1999
> Project: Flink
> Issue Type: New Feature
> Reporter: Ronny Bräunlich
> Priority: Minor
>
> Hello everybody,
> we are a group of three students from TU Berlin (I guess we're not the first
> group creating an issue) and we want to/have to implement a tf-idf tranformer
> for Flink.
> Our lecturer Alexander told us that we could get some guidance here and that
> you could point us to an old version of a similar tranformer.
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