The influence of noise and time series length on two common measures of entropy
Tobin A. Silver, K. C. Rhea, E. B. Studenka, Hyeon-Sang Ryu, Michael C. Hughes, Mahdi Haddad · Digital Commons - USU (Utah State University) · 2008
Measures of entropy assess the overall regularity of a time series and are often used to quantify the degree of chaos in a system. Recently, there has been a lot of interest in extending these measures to human movement data. It is believed that measures of entropy can detect information in movement patterns that is not detectable using more traditional techniques. For example, Lipsitz and Goldberger (1992) suggested that a decrease in movement complexity (smaller entropy) is a signature of aging and disease.