David Gerbing from the School of Business at Portland State University introduces lessR, a tool designed to facilitate professional-quality data visualizations and data analysis without programming re ...

The metabolic mechanisms underlying right ventricular (RV) dysfunction are poorly understood, particularly outside of group 1 pulmonary hypertension (PH). We aimed to identify metabolites and pathways ...

Existing recommendations for nasotracheal endotracheal tube (ETT) insertion depth in neonates have shown remarkable consistency over decades and have recently been prospectively evaluated in clinical ...

(See notice at the end of this document regarding copyright.) This site is for those who know nothing of R, and maybe even nothing of programming, and seek QUICK, PAINLESS! entree to the world of R.

Background Philip Morris International (PMI) claims to be transforming and has committed to a ‘smoke-free’ future. In 2020, it announced an ‘aspirational’ target for reduced cigarette shipments by ...

Objective To test whether homicides in Finland vary according to moon phases. Design A time series study. Setting Finland. Participants 6808 homicides committed in 1961–2014. Outcome Daily numbers of ...

Proper handling of continuous variables is crucial in healthcare research, for example, within regression modelling for descriptive, explanatory, or predictive purposes. However, inadequate methods ...

The purpose of this tutorial is to continue our exploration of regression by constructing linear models with two or more explanatory variables. This is an extension of Lesson 9. I will start with a ...