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CHAIN

Statistics Directorate    
French Equivalent: Chaîne

Definition:
A sequence of terms such that each term depends in some defined way upon the previous term or terms in the series; for example, the chain-relative used in the calculation of index numbers upon the chain-base method.

Context:
The term chain is also used in connection with stochastic processes where the value at one point is determined by values at previous points apart from a random element; or more exactly, the probability distribution at any point, conditional on certain previous values, is otherwise independent of past history.

Source Publication:
A Dictionary of Statistical Terms, 5th edition, prepared for the International Statistical Institute by F.H.C. Marriott. Published for the International Statistical Institute by Longman Scientific and Technical.

Cross References:
Chain linking

Statistical Theme: Methodological information (metadata)

Created on Sunday, May 19, 2002

Last updated on Monday, July 18, 2005