What is the Durbin-Watson statistic used for in residual analysis?
- To check for autocorrelation
- To check for heteroscedasticity
- To check for linearity of the relationship
- To check for normality of residuals
The Durbin-Watson statistic is a test statistic used to detect the presence of autocorrelation (a relationship between values separated from each other by a given time lag) in the residuals (prediction errors) from a regression analysis.
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