Standardize Sex Variables

Maps various inputs (M, Male, f, Female) to standard HL7/ISO codes (M, F, O, U).

Usage

standardize_sex(x)

Arguments

x

A character vector of sex/gender inputs.

Value

A character vector containing "M", "F", "O", or "U".

Examples

standardize_sex(c("Male", "f", "Trans female", "nonbinary", "unknown", NA))
#> [1] "M" "F" "O" "O" "U" "U"