Add binary variable alder_75

Create binary variable alder_75 from alder.

utlede_alder_75(df)

Arguments

df

ablanor data.frame, must contain variable alder. See also utlede_alder.

Value

Returns df with one new variable: alder_75

Examples

x <- data.frame(alder = 73:76)
ablanor::utlede_alder_75(x)
#>   alder alder_75
#> 1    73      <75
#> 2    74      <75
#> 3    75     >=75
#> 4    76     >=75