[SPARK-13969][ML] Add FeatureHasher transformer#18513

Closed

MLnick wants to merge 13 commits into

apache:masterfrom

MLnick:FeatureHasher

Commits on Jul 3, 2017

initial WIP
Nick Pentreath
committed
Further work
Nick Pentreath
committed
Clean up
Nick Pentreath
committed
Add tests
Nick Pentreath
committed
Copy, save/load, clean up
Nick Pentreath
committed
Move numFeatures to HasNumFeatures shared trait
Nick Pentreath
committed
Update shared params from codegen run
Nick Pentreath
committed
Update tests. Null values ignored in feature hashing.
Nick Pentreath
committed

Commits on Jul 12, 2017

Revert "Move numFeatures to HasNumFeatures shared trait"
Nick Pentreath
committed
Address various review comments
Nick Pentreath
committed

Commits on Jul 18, 2017

Address review comments 2
Nick Pentreath
committed

Commits on Jul 25, 2017

Update doc string with more detailed behavior info
Nick Pentreath
committed

Commits on Jul 26, 2017

Add @Experimental tag
Nick Pentreath
committed