"Iterating through each fold in X-Validation operator ?"
Hello Friends,
I am trying to iterate through each fold separately via java code in rapidminer but don't have a clue. I can access the Validation Operator and it's sub processes (train and test) but don't have any idea how to iterate through k-fold one by one ???
I appreciate any help ...
I am trying to iterate through each fold separately via java code in rapidminer but don't have a clue. I can access the Validation Operator and it's sub processes (train and test) but don't have any idea how to iterate through k-fold one by one ???
I appreciate any help ...
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you can't reasonably do it without creating your own operator which extends XValidation.
You can see the code of X-Validation by looking at com.rapidminer.operator.validation.XValidation.java. The estimatePerformance() method starts the cross validation and calls protected methods from there on. If you want to hook into them, you'd have to create your own x-val operator which can then override the protected methods.
Regards,
Marco