In probability theory and statistics, subindependence is a weak form of independence. Two random variables X and Y are said to be subindependent if the characteristic function of their sum is equal to the product of their marginal characteristic functions.
In probability theory and statistics, subindependence is a weak form of independence. Two random variables X and Y are said to be subindependent if the characteristic function of their sum is equal to the product of their marginal characteristic functions.
Source: Wikipedia "Subindependence" · CC BY-SA 4.0
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