3 papers
stat.ME2024
Counting on count regression: a reexamination of routinely-cited Negative Binomial specifications
Ettore Settanni, Reinout Heijungs, Jagjit Singh Srai
Negative Binomial regression is a staple in empirical management research, especially for the analysis of supply chain disruption risks. Its computational structure is often taken…
stat.ME2024
Principal Component Analysis and biplots. A Back-to-Basics Comparison of Implementations
Ettore Settanni
Principal Component Analysis and biplots are so well-established and readily implemented that it is just too tempting to give for granted their internal workings. In this note I ge…
math.PR2023
Verifying the inverse Laplace transform of total expected stock-outs when demand is Poisson
Ettore Settanni
This note aims to verify a Laplace transform pair, previously published without proof, concerning the expected stock-out that may occur in a production-inventory systems when deman…