> sum(is.na(indvar_FODs$categorical_FOD_FODs)) [1] 199 > sum(is.na(indvar_FODs$Gender_quantised_FODs)) [1] 1 how can I get the without missing variables for both of them equally?

library(openxlsx)

read.xlsx2('C:/Users/Nathan/Desktop/indvar_FODs.xlsx', sheet = 1, as.data.frame = T)