title: [Approximate entropy: a complexity measure suitable for short data].
abstract: The definition, algorithm and application of approximate entropy are introduced. A discussion is made on the reason of it merits.
authors.affiliation: Tsinghua University.
authors.forename: F
authors.initials: F
authors.lastname: Yang
authors.forename: W
authors.initials: W
authors.lastname: Liao
mesh_terms: D000465:Algorithms; D003627:Data Interpretation, Statistical; D004562:Electrocardiography / Q000706:statistics & numerical data*; D019277:Entropy; D006339:Heart Rate; D006801:Humans