Files
kickscore/tests/kickscore-basics.rs
2020-12-14 23:10:15 +01:00

46 lines
1.3 KiB
Rust

extern crate intel_mkl_src;
use approx::assert_abs_diff_eq;
use kickscore as ks;
#[test]
fn kickscore_basic() {
let mut model = ks::BinaryModel::new(ks::BinaryModelObservation::Probit);
let k_spike = ks::kernel::Constant::new(0.5);
let k_tom = ks::kernel::Exponential::new(1.0, 1.0);
let k_jerry: Vec<Box<dyn ks::Kernel>> = vec![
Box::new(ks::kernel::Constant::new(1.0)),
Box::new(ks::kernel::Matern52::new(0.5, 1.0)),
];
model.add_item("Spike", Box::new(k_spike));
model.add_item("Tom", Box::new(k_tom));
model.add_item("Jerry", Box::new(k_jerry));
model.observe(&["Jerry"], &["Tom"], 0.0);
model.observe(&["Jerry"], &["Tom"], 0.9);
model.observe(&["Tom"], &["Spike"], 1.7);
model.observe(&["Tom"], &["Jerry"], 2.1);
model.observe(&["Jerry"], &["Tom"], 3.0);
model.observe(&["Jerry"], &["Tom", "Spike"], 3.5);
model.fit();
let (p_win, _p_los) = model.probabilities(&[&"Jerry"], &[&"Tom"], 4.0);
assert_abs_diff_eq!(p_win, 0.7299975928462964, epsilon = f64::EPSILON);
let (p_win, _p_los) = model.probabilities(&[&"Jerry"], &[&"Tom"], 2.0);
assert_abs_diff_eq!(p_win, 0.4455095363120037, epsilon = f64::EPSILON);
let (p_win, _p_los) = model.probabilities(&[&"Jerry"], &[&"Tom"], -1.0);
assert_abs_diff_eq!(p_win, 0.903756079972532, epsilon = f64::EPSILON);
}