Post-modern portfolio theory uses downside risk to refine portfolio optimization. Learn how PMPT offers an alternative to modern portfolio theory for risk-adjusted returns.

Learn the NumPy trick for generating synthetic data that actually behaves like real data.

Abstract: Certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60-Hz, liquid-immersed, self-cooled, overhead-type distribution transformers ...

Abstract: Terminology and definitions related to electric power and distribution transformers and associated apparatus are compiled in this standard. Similar terminology relating to power systems and ...