+++
title = "Elastic Net"
+++
```rust
let (train, valid) = linfa_datasets::diabetes()
    .split_with_ratio(0.9);

// train pure LASSO model with 0.1 penalty
let model = ElasticNet::params()
    .penalty(0.1)
    .l1_ratio(1.0)
    .fit(&train)?;

println!("z score: {:?}", model.z_score());

// validate
let y_est = model.predict(&valid);
println!("predicted variance: {}", y_est.r2(&valid)?);
```