Macro extendr_api::prelude::factor
source ยท macro_rules! factor { ($($rest: tt)*) => { ... }; }
Expand description
Create a factor.
Example:
use extendr_api::prelude::*;
test! {
let factor = factor!(vec!["abcd", "def", "fg", "fg"]);
assert_eq!(factor.levels().unwrap().collect::<Vec<_>>(), vec!["abcd", "def", "fg"]);
assert_eq!(factor.as_integer_vector().unwrap(), vec![1, 2, 3, 3]);
assert_eq!(factor.as_str_iter().unwrap().collect::<Vec<_>>(), vec!["abcd", "def", "fg", "fg"]);
}
Panics on error.