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Training r2 and error
Learner I
As I know the error and r2 appeared in the Results is belonging to testing error. How can I have both training and testing error in the Results in a process?
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varunm1
Member Posts: 1,207 
Unicorn
Hello @mb223223
Generally, we don't recommend looking into train error as the models overfit most of the times, but if you have any specific requirement here is the sample process to get training and testing error either using a split validation or cross-validation. I also attached the sample process files that you can import into rapidminer from File --> Import Process so that you can run them as well.
Split Validation: Training & Testing Error
Cross-Validation Training and Testing Error: This is inside cross-validation operator.
Hope this helps. Please inform if you need more information.Regards,
Varun
https://www.varunmandalapu.com/Be Safe. Follow precautions and Maintain Social Distancing
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Thanks indeed for your reply and unique solution.
Best Wishes