This site is a public, open-source repository for epidemiological research methods and reporting skills for observational studies. We aim to be as inclusive as possible but this site is based on the Strengthening the Reporting of Observational studies in Epidemiology Statement. […] The purpose of this site is to create a public, open-source repository for epidemiological research methods and reporting skills for observational studies. Epidemiology, the study of diseases and population health, is a broad field with ever-changing methods and often heated debates about proper designs, … Read more →

Population health data science (PHDS). […] We are writing this book to introduce R—a programming language and environment for statistical computing and graphics—to public health epidemiologists, health care data analysts, data scientists, statisticans, and others conducting population health analyses. Recent graduates come prepared with a solid foundation in epidemiological and statistical concepts and skills. However, what is sometimes lacking is the ability to implement new methods and approaches they did not learn in school. This is more apparent today with the emergence of data science … Read more →