PowerTransformer for Feature Preprocessing

[mlindauer]

Hi,

some of our internal benchmarks showed that sometimes a PowerTransformer can substantially improve the performance of our DNNs on featurized data. @urbanmatthias could you please add that to AutoPyTorch.

Thanks,
Marius

[urbanmatthias]

Hi,

the PowerTransformer is now available in the develop branch.

Cheers,
Matthias