Month: July 2017

Covariance between residuals and predictor variable is zero for a linear regression model.

Prove that covariance between residuals and predictor (independent) variable is zero for a linear regression model.

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covariance error predictor variable zero Page 1covariance error predictor variable zero Page 2
The pdf file of this blog is also available for your viewing.

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Sum of the residuals for the linear regression model is zero.

Prove that the sum of the residuals for the linear regression model is zero.sum of residuals is zero Page 1sum of residuals is zero Page 2________________________________________________

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