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Is the sum of all residuals guaranteed to be 0 if we run simple linear regression without fitting an intercept? Briefly explain.
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data-analyst
quant-research
When you approach this question, make sure to recall the properties of linear regression, especially in relation to the line of best fit and the role of the intercept. Consider how residuals are calculated in the absence of an intercept and how they relate to the overall fit of the model.
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