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Tier B · Adjacent · B2
PHASE 14 ENTRIESTIER B · ADJACENT

🌗 B2 — Regime stability / distribution shift

Top pick: Sliced Wasserstein dependency (POT (MIT)). Fills the gap: Stability across regimes — which the production baseline (Pearson + Spearman + h_norm + Tier-2 MI-vs-target) cannot detect.

Total
4
metrics in this category
Permissive FOSS
1
usable today
GPL
1
license check needed
Unpackaged / no FOSS
2
integration cost
FOSS-READINESS LANES click any metric circle to open its library/repo URL

Catalog entries grouped by adoption-readiness

Lane = how usable the metric is today. Top lane = production-baseline duplicates (Pearson, Spearman). Below = permissive FOSS / GPL / unmaintained / code-released-but-not-packaged / no-FOSS. Per-circle text = first 3 letters of language (Pyt / R / Jav).

PRODUCTION BASELINE
FOSS — permissive
FOSS — GPL
FOSS — unmaintained
Code released, not packaged
No FOSS surfaced
PRODUCTION BASELINE (0 entries) FOSS — permissive (1 entries) Pyt Sliced Wasserstein p… FOSS — GPL (1 entries) R / CRQA FOSS — unmaintained (0 entries) Code released, not packaged (2 entries) Pyt Robust BOCPD R Robust dCor (Leyder … No FOSS surfaced (0 entries)

Full metric inventory

4 entries · sorted by FOSS readiness then name
Metric Library License Lang Maint Complexity Param-free? URL
Robust BOCPDAuthor repo (Altamirano-Briol-Knoblauch 2023)variesPython⚠️O(N)yes↗
Robust dCor (Leyder 2024)Author code (not packaged)variesR⚠️O(N^2)no↗
CRQAcrqa / PyRQAGPL / Apache-2R / Python✅O(N^2)yes↗
Sliced Wasserstein primitivesPOTMITPython✅O(N log N d L)yes↗

Cross-references