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AWS Certified Machine Learning - Specialty

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Topic 1 Question 96
A Machine Learning Specialist is attempting to build a linear regression model. Given the displayed residual plot only, what is the MOST likely problem with the model?
- Linear regression is inappropriate. The residuals do not have constant variance.
- Linear regression is inappropriate. The underlying data has outliers.
- Linear regression is appropriate. The residuals have a zero mean.
- Linear regression is appropriate. The residuals have constant variance.
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コメント(15)
- I would choose A. See: https://www.itl.nist.gov/div898/handbook/pmd/section4/pmd442.htm and https://blog.minitab.com/blog/the-statistics-game/checking-the-assumption-of-constant-variance-in-regression-analyses
  
  👍 23
  joep212021/09/30
- Ans. is A. High-degree polynomial transformation.
  
  👍 12
  takahirokoyama2021/09/25
- Some Good Reading https://www.andrew.cmu.edu/user/achoulde/94842/homework/regression_diagnostics.html
  
  Ans is A
  
  👍 7
  cnethers2021/10/20
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