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add test as examples

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This commit is contained in:
Palash Tyagi 2025-07-26 13:26:44 +01:00
parent 45ec754d47
commit b0d8050b11
1 changed files with 14 additions and 0 deletions
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14
examples/k_means.rs
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@ -49,3 +49,17 @@ fn customer_spend_example() {
let pred = model.predict(&new_customers); let pred = model.predict(&new_customers);
println!("Cluster of new customers: {:?}", pred); println!("Cluster of new customers: {:?}", pred);
} }
#[test]
fn k_means_store_locations() {
let raw = vec![
1.0, 2.0, 1.5, 1.8, 5.0, 8.0, 8.0, 8.0, 1.0, 0.6, 9.0, 11.0, 8.0, 2.0, 10.0, 2.0, 9.0, 3.0,
];
let x = Matrix::from_rows_vec(raw, 9, 2);
let (model, labels) = KMeans::fit(&x, 2, 100, 1e-4);
assert_eq!(labels.len(), 9);
assert_eq!(model.centroids.rows(), 2);
let new_points = Matrix::from_rows_vec(vec![0.0, 0.0, 8.0, 3.0], 2, 2);
let pred = model.predict(&new_points);
assert_eq!(pred.len(), 2);
}