fct_explicit_na {forcats} | R Documentation |
This gives missing values an explicit factor level, ensuring that they appear in summaries and on plots.
fct_explicit_na(f, na_level = "(Missing)")
f |
A factor (or character vector). |
na_level |
Level to use for missing values: this is what NAs will be changed to. |
f1 <- factor(c("a", "a", NA, NA, "a", "b", NA, "c", "a", "c", "b"))
fct_count(f1)
f2 <- fct_explicit_na(f1)
fct_count(f2)