Variable List, Stata-style — varlist • khsmisc

This function prints an inventory of a dataset, similar to Stata's varlist function.

varlist(data)

Arguments

data: Input data frame (tibble)

Value

Tibble with the following columns:

name Variable name
n Number of non-missing observations
class Variable class
label Variable label

Examples

# Load mtcars dataset,
# label it, and create missing values
data(mtcars)
df <- mtcars %>%
  labelled::set_variable_labels(mpg = "Miles per Gallon",
                                gear = "Number of Gears") %>%
  dplyr::mutate(qsec = dplyr::if_else(am == 1,
                                      true = NA_real_,
                                      false = qsec))

# Show varlist. Note missing values in "qsec".
varlist(df)
#> # A tibble: 11 × 4
#>    name      n class   label           
#>    <chr> <dbl> <chr>   <chr>           
#>  1 mpg      32 numeric Miles per Gallon
#>  2 cyl      32 numeric NULL            
#>  3 disp     32 numeric NULL            
#>  4 hp       32 numeric NULL            
#>  5 drat     32 numeric NULL            
#>  6 wt       32 numeric NULL            
#>  7 qsec     19 numeric NULL            
#>  8 vs       32 numeric NULL            
#>  9 am       32 numeric NULL            
#> 10 gear     32 numeric Number of Gears 
#> 11 carb     32 numeric NULL