This volume presents the basic mathematics of ranking methods through a didactic approach and the integration of relevant applications. Ranking methods can be applied in several different fields, including decision support, toxicology, environmental problems, proteomics and genomics, analytical chemistry, food chemistry, and QSAR.- Covers a wide range of applications, from the environment and toxicology to DNA sequencing- Incorporates contributions from renowned experts in the field- Meets the increasing demand for literature concerned with ranking methods and their applications