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fit

qualia_core_db::solvers::learning::regression::ridge

Function fit 

Source 
pub fn fit(
    x: &[f64],
    y: &[f64],
    n: usize,
    p: usize,
    lambda: f64,
) -> Result<RidgeModel, LearningError>
Expand description

Fit ridge regression with penalty lambda ≥ 0. lambda = 0 reproduces OLS. Fails closed on shape mismatch / n < 2.