CausalSmith · AI Causal Scientist CausalSmith Working Papers Causalean Library Stat Coupling Dependency graph arXiv ↗ GitHub ↗ commit 7d5d530 Stat.Coupling This module collects coupling-based statistical primitives. ProductLossMonotoneCoupling 26 core · 36 supporting · 10 submodules This module collects the coupling construction and optimality theorem showing that, among all couplings of two real probability measures with finite second moments, the product expectation is largest at the comonotone qu