.unique_and_sorted {cards} | R Documentation |
ARD-flavor of unique()
Description
Essentially a wrapper for unique(x) |> sort()
with NA
levels removed.
For factors, all levels are returned even if they are unobserved.
Similarly, logical vectors always return c(TRUE, FALSE)
, even if
both levels are not observed.
Usage
.unique_and_sorted(x, useNA = c("no", "always"))
Arguments
x |
( |
Value
a vector
Examples
cards:::.unique_and_sorted(factor(letters[c(5, 5:1)], levels = letters))
cards:::.unique_and_sorted(c(FALSE, TRUE, TRUE, FALSE))
cards:::.unique_and_sorted(c(5, 5:1))
[Package cards version 0.6.1 Index]