Re: How to implement an Evaluator for a ML pipeline?

2015-05-20 Thread Stefan H.
the average metric values during cross validation. -Xiangrui On Sat, May 9, 2015 at 12:15 PM, Stefan H. twel...@gmx.de wrote: Hello everyone, I am stuck with the (experimental, I think) API for machine learning pipelines. I have a pipeline with just one estimator (ALS) and I want it to try different

How to implement an Evaluator for a ML pipeline?

2015-05-09 Thread Stefan H.
Hello everyone, I am stuck with the (experimental, I think) API for machine learning pipelines. I have a pipeline with just one estimator (ALS) and I want it to try different values for the regularization parameter. Therefore I need to supply an Evaluator that returns a value of type Double. I