| nhanes2007 | National Health and Nutrition Examination Survey data, 2007-2008 | 
| svycollinear | Condition indexes and variance decompositions in general linear models (GLMs) fitted with complex survey data | 
| svyCooksD | Modified Cook's D for models fitted with complex survey data | 
| svydfbetas | dfbetas for models fitted with complex survey data | 
| svydffits | dffits for models fitted with complex survey data | 
| svyhat | Leverages for models fitted with complex survey data | 
| svystdres | Standardized residuals for models fitted with complex survey data | 
| svyvif | Variance inflation factors (VIF) for general linear models fitted with complex survey data | 
| Vmat | Compute covariance matrix of residuals for general linear models fitted with complex survey data |