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Fertility variable to factor

Source: R/utils.R
fertility_to_factor.Rd

Transform a fertility variable to a factor variable By default, all other values are transformed to NA and considered as fertile.

Usage

fertility_to_factor(fertility)

Arguments

fertility

A character, factor or numeric vector corresponding to the fertility status of the individuals. This will be transformed to a factor with the following levels: infertile_choice_na, infertile, fertile

The following values are recognized:

  • "inferile_choice_na" : "infertile_choice", "infertile_na"

  • "infertile" : "infertile", "steril", FALSE, 0

  • "fertile" : "fertile", TRUE, 1, NA

Value

a factor vector containing the transformed variable "infertile_choice_na", "infertile", "fertile"

Examples

fertility_to_factor(c(
   1, "fertile", TRUE, NA,
  "infertile", "steril", FALSE, 0,
  "infertile_na", "infertile_choice_na", "infertile_choice"
))
#>  [1] fertile             fertile             fertile            
#>  [4] fertile             infertile           infertile          
#>  [7] infertile           infertile           infertile_choice_na
#> [10] infertile_choice_na infertile_choice_na
#> Levels: infertile_choice_na infertile fertile