scikit-learn/scikit-learn — pull request #3592 by hamsal (2014-08-26 13:37:21+00:00)
Title: Sparse and Multioutput LabelEncoder

- [ ] sparse and multioutput fit
- [ ] sparse and multioutput transform
- [ ] sparse and multioutput fit_transform
- [ ] sparse and multioutput inverse_transform
- [ ] Maintain ValueError on unseen labels
- [ ] test for multioutput
- [ ] test for sparse formats