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Regression VIF ARD

Source: R/ard_car_vif.R
ard_car_vif.Rd

Function takes a regression model object and returns the variance inflation factor (VIF) using car::vif() and converts it to a ARD structure

Usage 

ard_car_vif(x, ...)

Arguments

x

regression model object See car::vif() for details

...

arguments passed to car::vif(...)

Value

data frame

Examples 

lm(AGE ~ ARM + SEX, data = cards::ADSL) |>
  ard_car_vif()
#> # An ARD data frame: 6 × 8
#>   variable context stat_name stat_label      stat fmt_fun warning      error    
#>   <chr>    <chr>   <chr>     <chr>         <list>  <list> <named list> <named l>
#> 1 ARM      car_vif GVIF      GVIF            1.02       1 <NULL>       <NULL>   
#> 2 ARM      car_vif df        df              2          1 <NULL>       <NULL>   
#> 3 ARM      car_vif aGVIF     Adjusted GVIF   1.00       1 <NULL>       <NULL>   
#> 4 SEX      car_vif GVIF      GVIF            1.02       1 <NULL>       <NULL>   
#> 5 SEX      car_vif df        df              1          1 <NULL>       <NULL>   
#> 6 SEX      car_vif aGVIF     Adjusted GVIF   1.01       1 <NULL>       <NULL>