finance-style heavy-tail covariance demo
n=80, p=50, df=2.0
method, rel_fro_error, condition_number, radial_kurtosis
Empirical, 9.3196, 6331, nan
RegularizedCauchy, 0.4356, 48.18, 6.14
StudentTScatter, 0.4459, 88.55, 5.57
RegularizedTyler, 0.4719, 74.66, 6.452
saved diagnostics to results/use_cases/finance
