recoding variables using case_when

Question

starwars_ %$% table(sex, gender)

and now I have to use the function case_when() to recode the category “none” of sex into “male” if gender is “masculine” and into “female” if gender is “feminine”. Make sure that the categories of sex other than “none” are not converted to NA by specifying the TRUE ~ ... argument. Does anyone know how to do this?

Please provide enough code so others can better understand or reproduce the problem. — Community
– Community Bot, Commented Mar 16, 2022 at 20:18

Allan Cameron · Accepted Answer · 2022-03-16 20:25:59Z

1

I think you want something like this:

library(dplyr)
library(magrittr)

starwars %>% 
  mutate(sex = case_when(gender == "feminine" ~ "female",
                         gender == "masculine" ~ "male",
                         TRUE ~ sex)) %$% 
  table(sex, gender)
#>         gender
#> sex      feminine masculine
#>   female       17         0
#>   male          0        66

^{Created on 2022-03-16 by the reprex package (v2.0.1)}

answered Mar 16, 2022 at 20:25

Allan Cameron

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