how do you determine residuals in sas what are residuals what does residuals mean in sas what type of residual does sas use what residual are used to calculate a model what is residual? what is residuals what is residuals used for in sas types of residuals in sas what is residuals used for what are residuals used for what are residuals for sas what is residual analysis what residuals are used when a linear model is mixed what is residuals? sas what is residual in sas what is residuals function what are residuals used for what is residual in sas what are residuals used for