> This chapter reports on a competition run through the Santa Fe Institute in which participants from a range of relevant disciplines applied a variety of time

> This chapter reports on a competition run through the Santa Fe Institute in which participants from a range of relevant disciplines applied a variety of time series analysis tools to a small group of common data sets in order to help make meaningful comparisons among their approaches. The design and the results of this competiton are described, and the historical and theoretical backgrounds necessary to understand the successful entries are reviewed. The competition has already been run. It's from 1993.