Leading Population Health

by Tomás J. Aragón


A book example for a Chapman & Hall book. […] In December, 2010, I was appointed the health officer of the City and County of San Francisco, and the director of the Population Health Division1 at the San Francisco Department of Public Health (SFDPH). As health officer I exercised leadership and legal authority to protect and promote health and health equity. For the Population Health Division I directed public health services. Prior to SFDPH I trained in primary care internal medicine, clinical infectious diseases, and epidemiology. Since 1996, I worked as a deputy health officer in various … Read more →


Field Epidemiology with R

by Tomás J. Aragón


A book example for a Chapman & Hall book. […] The document format “R Markdown” was first introduced in the knitr package (Xie, 2015, 2018) in early 2012. The idea was to embed code chunks (of R or other languages) in Markdown documents. In fact, knitr supported several authoring languages from the beginning in addition to Markdown, including LaTeX, HTML, AsciiDoc, reStructuredText, and Textile. Looking back over the five years, it seems to be fair to say that Markdown has become the most popular document format, which is what we expected. The simplicity of Markdown clearly stands out among … Read more →