powered by
Extract all the missing values in a factor variable and turn them into a separate category.
NAtoCategory(fact, label = "missing")
Factor variable.
Label to be given to the missing valus.
Updated factor variable.
# NOT RUN { set.seed(1977) fact <- factor(sample(c(round(runif(10, 1, 3)), rep(NA, 10))), levels = 1:3, labels = c("no", "maybe", "yes")) NAtoCategory(fact) # }
Run the code above in your browser using DataLab