pub fn is_multivariate_outlier(
x: &[f64],
mean_vec: &[f64],
inv_cov: &[f64],
alpha: f64,
) -> Option<bool>Expand description
Multivariate outlier gate: a point is flagged when its squared Mahalanobis distance
exceeds the χ²(d) upper-alpha quantile (the standard d-dimensional rule). None
on a dimension mismatch.