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Implement IDF transforms #4

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rth opened this issue Nov 26, 2018 · 0 comments
Open

Implement IDF transforms #4

rth opened this issue Nov 26, 2018 · 0 comments
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new feature This doesn't seem right

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rth commented Nov 26, 2018

It would be necessary to implement IDF transforms, and possibly expose a TfidfVectorizer estimator.

This requires selecting a sparse array library. For now, we use custom CSRArray structs to represent CSR arrays. https://github.com/vbarrielle/sprs is a good candidate but this needs more investigation in any case.
@rth rth added new feature This doesn't seem right and removed enhancement labels Apr 29, 2019
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