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

Data Science Interview Questions › Category: Data Science › Do we always need the intercept term in a regression model?
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MockInterview Staff asked 7 years ago
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MockInterview Staff answered 7 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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