Spatial Decision Support Knowledge Portal

Stochastic Variable

A stochastic (or random) variable is defined as a quantity whose values are random and to which a probability distribution is assigned. More formally, a random variable is a measurable function from a sample space to the measurable space of possible values of the variable. The formal definition of random variables places experiments involving real-valued outcomes firmly within the measure-theoretic framework and allows us to construct distribution functions of real-valued random variables.

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