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AWS Certified Machine Learning - Specialty

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Topic 1 Question 24
A Machine Learning Specialist trained a regression model, but the first iteration needs optimizing. The Specialist needs to understand whether the model is more frequently overestimating or underestimating the target. What option can the Specialist use to determine whether it is overestimating or underestimating the target value?
- Root Mean Square Error (RMSE)
- Residual plots
- Area under the curve
- Confusion matrix
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コメント(17)
- RMSE says about the error value but not the sign of error. The question is to find whether the model overestimates or underestimates - I guess residual plots clearly show that
  
  answer B
  
  👍 35
  vetal2021/09/25
- Answer is B. Residual plot distribution indicates over or under-estimations
  
  👍 14
  rsimham2021/09/27
- residual plot https://docs.aws.amazon.com/machine-learning/latest/dg/regression-model-insights.html
  
  👍 5
  Thai_Xuan2021/11/04
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