1. <mathematics> A mathematical method where an empirical function is derived from a set of experimental data.

2. regression testing.

(01 Mar 1995)

regrate, regress, regressing atypical histiocytosis < Prev | Next > regression, regression analysis

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1. A return to a former or earlier state.

2. A subsidence of symptoms or of a disease process.

3. <psychiatry> A return to earlier, especially to infantile, patterns of thought or behaviour, a characteristic of many mental disorders also exhibited by normal persons in many situations, for example feelings of helplessness and dependency in a patient with a serious physical illness.

Origin: L. Regressio = a return

(11 Mar 2008)