Do we always need the intercept term in a regression model?

Data Science Interview QuestionsCategory: Data ScienceDo we always need the intercept term in a regression model?
1 Answers
MockInterview Staff answered 6 years ago
  • It guarantees that the residuals have a zero mean
  • It guarantees the least squares slopes estimates are unbiased
  • the regression line floats up and down, by adjusting the constant, to a point where the mean of the residuals is zero

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