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What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)
Adding or removing code
What did you learn from the changes you have made?
How to fit a model for linear regression. How to find the coefficient and intercept.
How to predict the model and evaluate the model's test error measured by RMSPE.
Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?
Were there any challenges? If so, what issue(s) did you face? How did you overcome it?
How were these changes tested?
They were tested by running in VSC code
A reference to a related issue in your repository (if applicable)
Checklist