list all standard population names available
ls_std_vars.Rd
list all standard population names available
Examples
ls_std_vars()
#> # A tibble: 5 × 2
#> Vars Description
#> <chr> <chr>
#> 1 cn64 Standard population in Chinese in 1964
#> 2 cn82 Standard population in Chinese in 1982
#> 3 cn2000 Standard population in Chinese in 2000
#> 4 wld85 Segi's world standard population
#> 5 wld2000 World standard population in 2000