Get ML model after hyperparameter tuning

Hi all,
we are using a Parameter Optimization Loop for hyperpararmeter tuning of certain machine learning models. The workflow looks (very roughly) like this:

Question:
Is there any way to obtain (after the loop has terminated) not only the optimized parameters but also the optimized model itself that has been built with these optimal parameters?
Currently I don’t see any other way than having another Learner node after the loop which builds the optimal model again. This seems a bit inefficient to me (because that same model has been created already), especially when the learning part takes long…

Any comments/ideas? :slight_smile:

Thx!

Hello @atothep,

don’t think so. You need to use Table Row to Variable to get best parameters and apply them to Learner node.

There is already a ticket in system (Internal reference: AP-11486) for Parameter Optimization Loop End node to save best model and will note there your request.

Br,
Ivan

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Alright, thanks for confirming that this is the only way to do it at the moment!
Good to read that you have that issue on your list already :wink:

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