[scikit-learn] Label encoding for classifiers and soft targets

[Andreas Mueller]

On 03/13/2017 08:35 AM, Javier López Peña wrote:
> Training a regression tree would require sticking some kind of
> probability normaliser at the end to ensure proper probabilities,
> this might somehow hurt sharpness or calibration.
No, if all the samples are normalized and your aggregation function is 
sane (like the mean), the output will also be normalized.