Grannis, Shaun JDixon, Brian E.Xia, YuniWu, Jianmin2014-04-242014-04-242013Grannis, S., Dixon, B., Xia, Y., & Wu, J. (2013). Using Information Entropy to Monitor Chief Complaint Characteristics and Quality. Online Journal of Public Health Informatics, 5(1).https://hdl.handle.net/1805/4345As we enter the 'big medical data' era, a new core competency is to continuously monitor quality of data collected from electronic sources, including population surveillance data sources. We describe how entropy, a fundamental information measure, can help monitor the characteristics of chief complaints in an operational surveillance system.en-USAttribution-NonCommercial 3.0 United Statesinformation entropysurveillanceArticle