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silverman_bandwidth

facett_plotters::violin

Function silverman_bandwidth 

Source 
pub fn silverman_bandwidth(values: &[f64]) -> f64
Expand description

Silverman’s rule-of-thumb bandwidth: 1.06 · σ · n^(−1/5). Falls back to a small positive width on a degenerate (zero-variance) sample so the kernel stays well-defined.