confusion-matrix-rust/examples/demo.rs

use confusion_matrix;

fn main() {
    let mut cm = confusion_matrix::new();

    cm[("pos", "pos")] = 10;
    cm[("pos", "neg")] = 5;
    cm[("neg", "neg")] = 20;
    cm[("neg", "pos")] = 3;
    
    println!("Precision: {}", cm.precision("pos"));
    println!("Recall: {}", cm.recall("pos"));
    println!("MCC: {}", cm.matthews_correlation("pos"));
    println!("");
    println!("{}", cm);
}