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Check if Sex is Female

Usage

is_female(x)

Arguments

x

input character representing female or male

Value

boolean representing female

Examples

is_female("F")
#> [1] TRUE

is_female(c("MALE", "FEMALE"))
#> [1] FALSE  TRUE

is_female(c(1, 0, -999))
#> Numeric input detected - assuming 1 = Female, 0 = Male.
#> [1]  TRUE FALSE    NA