Tremendous Honor: World Health Organization Cites ODA article on influence of mask mandates on COVID-19 infections

More than 87,000 scientific articles on COVID-19 were published between the start of the pandemic and October of 2020 (https://news.osu.edu/more-than-87000-scientific-papers-on-coronavirus-since-pandemic/). More than 720,000 unique authors have contributed to COVID-19 articles as of August, 2021 (https://royalsocietypublishing.org/doi/10.1098/rsos.210389 ). Having an article which was published in the Optimal Data Analysis journal cited by the World Health Organization (WHO), … Continue reading Tremendous Honor: World Health Organization Cites ODA article on influence of mask mandates on COVID-19 infections

Overview of the Optimal Discriminant Analysis and Novometric Paradigm

Paul R. Yarnold, Ph.D., Nathaniel J. Rhodes, Pharm.D., Ariel Linden, Dr.P.H. Optimal Data Analysis, LLC; Chicago College of Pharmacy, Midwestern University; Linden Consulting Group, LLC Overviews of optimal discriminant analysis (ODA) and novometric theory are presented. Discussion addresses the role of accuracy in translational and precision forecasting research, and of parsimony in theoretical research; the … Continue reading Overview of the Optimal Discriminant Analysis and Novometric Paradigm

FORUM: Sports

Athletic activity has served me well as a favored pastime throughout my life. For me, athletics is an enjoyable method of reversing physical withering resulting from long periods of primarily motionless sitting when working at a desk. Athletics provides an applied setting in which to employ scientific and engineering knowledge and evaluate specific measurable personal … Continue reading FORUM: Sports

FORUM: Birds of Prey

Thus far, I’ve lived in eastern seaboard, southern border, west coast, and Midwestern states in the US. I’ve explored prairies, woods, forests, deserts, wetlands, rivers, and beaches everywhere that I’ve lived. In this activity a few vertebrates I’ve encountered in the wild triggered my consternation. One species was venomous snakes, particularly Sidewinders in Arizona (https://odajournal.com/2021/01/27/forum-sonoran-desert/) … Continue reading FORUM: Birds of Prey

Using ODA to Estimate Propensity-Weight-Adjusted Treatment Effects for Multi-Valued Treatments

Paul R. Yarnold, Ph.D., Fred B. Bryant, Ph.D., Ariel Linden, Dr.P.H. Optimal Data Analysis, LLC, Loyola University Chicago, Linden Consulting Group, LLC We demonstrate the use of optimal data analysis to obtain a hierarchically optimal classification tree-based propensity score model for an application with three (treatment) groups, and to assess outcome differences between treatment groups … Continue reading Using ODA to Estimate Propensity-Weight-Adjusted Treatment Effects for Multi-Valued Treatments