Add Pareto (Type I) distribution - #5
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Implements ParetoDistribution in distributions::positive with the Pdf, Cdf, Quantile, Moments, and Sample traits, matching scipy.stats.pareto. - Closed-form pdf/cdf/ppf; inverse-CDF sampling. - Mean defined for alpha > 1, variance for alpha > 2 (None otherwise, matching scipy's NaN). - scipy-validated golden fixture dist_pareto.json plus equivalence, moment-convergence, tail-stress, and parameter-sweep coverage. - Updates README (15 families) and CHANGELOG. Note: src/distributions/types.rs is normally produced by the carve tool; the ParetoDistribution struct was added directly here so the change is self-contained.
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Implements ParetoDistribution in distributions::positive with the Pdf, Cdf,
Quantile, Moments, and Sample traits, matching scipy.stats.pareto.
matching scipy's NaN).
moment-convergence, tail-stress, and parameter-sweep coverage.
Note: src/distributions/types.rs is normally produced by the carve tool; the
ParetoDistribution struct was added directly here so the change is self-contained.