Adjustment Index

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Adjustment Index

Any mathematical modification made to a data set to account and control for an exogenous situation that would otherwise distort the data. For example, temporary jobs are often created in November and December because of the Christmas season. A statistician likely will apply an adjustment index to the number of jobs created in those months so the unemployment rate is not artificially low.
References in periodicals archive ?
We have cost recovery actions in place with our customers; however, the lag impact of aluminum price adjustment indices we currently have with major accounts will hinder our ability to achieve full recovery in 2006.