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CDC - Epi Info™ What is Epi Info™? Physicians, nurses, epidemiologists, and other public health workers lacking a background in information technology often have a need for simple tools that allow the rapid creation of data collection instruments and data analysis, visualization, and reporting using epidemiologic methods. Epi Info™, a suite of lightweight software tools, delivers core ad-hoc epidemiologic functionality without the complexity or expense of large, enterprise applications. Epi Info™ is easily used in places with limited network connectivity or limited resources for commercial software and professional IT support. Epi Info™ is flexible, scalable, and free while enabling data collection, advanced statistical analyses, and geographic information system (GIS) mapping capability. Since its initial release, Epi Info™ users have self-registered in over 181 countries covering all continents including Antarctica.
Epi Info™ has been translated in more than 13 languages. How is Epi Info™ Used? CGS - PolicyArchive. EXCITE | Epidemiology in the Classroom | Intro Epi. A comparison between the practice of public health and the more familiar practice of health care helps in describing epidemiology. First, where health care practitioners collect data on an individual patient by taking a medical history and conducting a physical exam, epidemiologists collect data about an entire population through surveillance systems or descriptive epidemiological studies.
The health care practitioner uses his or her data to make a differential diagnosis. The epidemiologist's data is used to generate hypotheses about the relationships between exposure and disease. Both disciplines then test the hypotheses, the health care practitioner by conducting additional diagnostic studies or tests, the epidemiologist by conducting analytical studies such as cohort or case-control studies. The final step is to take action. One succinct way to sum up the task of epidemiologists is to say that they "count things. " Back to Top Epidemiological Studies Disease Transmission. Stanford Election Atlas | Spatial Social Science Lab. About the Stanford Election Atlas Precinct-level data were collected from a wide variety of sources by a team of researchers at Harvard and Stanford led by Stephen Ansolabehere and Jonathan Rodden. The data were cleaned and matched with precinct-level boundary files at Stanford’s Spatial Social Science Lab, and the interactive map is hosted by ESRI.
Generous funding was provided by the Alfred P. Sloan Foundation and the Institute for Research in the Social Sciences (IRiSS) at Stanford. The data are archived at the Harvard Election Data Archive, where users can download tabular data and boundary files for each state, as well as detailed descriptions of data sources and geo-referencing procedures. The state-level files contain outcomes of elections for various years and offices.
The online visualization tool only includes 2008 presidential results. Please note that this map is not perfect. In a few states we had to get creative. About the Harvard Election Data Archive | HARVARD ELECTION DATA ARCHIVE.