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Results tagged with residuals
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user 284525
The residuals of a model are the actual values minus the predicted values. Many statistical models make assumptions about the error, which is estimated by the residuals.
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Can I conclude heteroskedasticity in this case?
I plot a standardized residuals against the fitted values and it does exhibit a megaphone shape. It looks like there is more variation in the lower level of fitted values. …
- 51
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A big issue for nonnormal distribution of residuals in this case?
I use both histogram and Normal Q-Q plot for the residuals of my regression.
I would say that the histogram shows somewhat symmetric and the mean is around 0. …
- 51