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Output of Neural Net operator is more than Linear Regression Output

nschauhnschauh Member Posts: 1 Contributor I
edited December 2018 in Help



I have a question here, I have used winequality-red training and scoring datasets in RapidMiner (with quality as the target attribute) and applied cross validation (Apply model and performance operator) with first Linear regression operator and replaced it with Neural Net Operator with number of folds =2


The output for Linear Regression is : root_mean_squared_error: 0.652 +/- 0.003 (mikro: 0.652 +/- 0.000)


The output for Neural Net Operator is : root_mean_squared_error: 0.741 +/- 0.031 (mikro: 0.741 +/- 0.000)


Is this a right prediction that I have performed and what can be inferred from both the root mean squared errors?

From my understanding, for this dataset the performance of the Linear Regression is better as a predictive model than the Neural Net predictive model. Can that be the case?


I look forward for your response please.


Kind Regards,




  • Thomas_OttThomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,761   Unicorn

    Yes it could very much be the case that the Linear Regression is slightly better than the Neural Net. 

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